worm gears explained

worm gears explained

A worm gear is a gear consisting of a shaft with a spiral thread that engages with and drives a toothed wheel. Worm gears are an old style of gear, and a version of one of the six simple machines. Basically, a worm gear is a screw butted up against what looks like a standard spur gear with slightly angled and curved teeth.

It changes the rotational movement by 90 degrees, and the plane of movement also changes due to the position of the worm on the worm wheel (or simply "the wheel"). They are typically comprised of a steel worm and a brass wheel.

The first one is the high reduction ratio. A worm gear can have a massive reduction ratio with little effort - all one must do is add circumference to the wheel. Thus you can use it to either greatly increase torque or greatly reduce speed. It will typically take multiple reductions of a conventional gearset to achieve the same reduction level of a single worm gear - meaning users of worm gears have fewer moving parts and fewer places for failure.

A second reason to use a worm gear is the inability to reverse the direction of power. Because of the friction between the worm and the wheel, it is virtually impossible for a wheel with force applied to it to start the worm moving.

On a standard gear, the input and output can be turned independently once enough force is applied. This necessitates adding a backstop to a standard gearbox, further increasing the complication of the gear set.

There is one particularly glaring reason why one would not choose a worm gear over a standard gear: lubrication. The movement between the worm and the wheel gear faces is entirely sliding. There is no rolling component to the tooth contact or interaction. This makes them relatively difficult to lubricate.

The lubricants required are usually very high viscosity (ISO 320 and greater) and thus are difficult to filter, and the lubricants required are typically specialized in what they do, requiring a product to be on-site specifically for that type of equipment.

The main problem with a worm gear is how it transfers power. It is a boon and a curse at the same time. The spiral motion allows huge amounts of reduction in a comparatively small amount of space for what is required if a standard helical gear were used.

With a typical gear set the power is transferred at the peak load point on the tooth (known as the apex or pitchline), at least in a rolling wear condition. Sliding occurs on either side of the apex, but the velocity is relatively low.

With a worm gear, sliding motion is the only transfer of power. As the worm slides across the tooth of the wheel, it slowly rubs off the lubricant film, until there is no lubricant film left, and as a result, the worm rubs at the metal of the wheel in a boundary lubrication regime. When the worm surface leaves the wheel surface, it picks up more lubricant, and starts the process over again on the next revolution.

The rolling friction on a typical gear tooth requires little in the way of lubricant film to fill in the spaces and separate the two components. Because sliding occurs on either side of the gear tooth apex, a slightly higher viscosity of lubricant than is strictly needed for rolling wear is required to overcome that load. The sliding occurs at a relatively low velocity.

The worm on a worm set gear turns, and while turning, it crushes against the load that is imposed on the wheel. The only way to prevent the worm from touching the wheel is to have a film thickness large enough to not have the entire tooth surface wiped off before that part of the worm is out of the load zone.

This scenario requires a special kind of lubricant. Not only will it will have to be a relatively high viscosity lubricant (and the higher the load or temperature, the higher the viscosity must be), it must have some way to help overcome the sliding condition present.

Viscosity is the major factor in preventing the worm from touching the wheel in a worm gear set. While the load and size of gearing determines the required lubricant, an ISO 460 or ISO 680 is fairly common, and an ISO 1000 is not unheard of. If you've ever tried to filter this range of viscosity, you know it is problematic because it is likely that none of the filters or pumps you have on-site will be the proper size or rating to function properly.

Therefore, you would likely need to get a specific pump and filter for this type of unit. A lubricant that viscous requires a slow operating pump to prevent the lubricant from activating the filter bypass. It will also require a large surface area filter to allow the lubricant to flow through.

One lubricant type commonly used with worm gears is mineral-based, compounded gear oils. There are no additives that can be put into a lubricant that can make it overcome sliding wear indefinitely, but the natural or synthetic fatty additive combination in compounded gear oils results in good lubricity, providing an extra measure of protection from metal-to-metal contact.

Another lubricant type commonly used with worm gears is mineral-based, industrial extreme pressure (EP) gear oils. There are some problems with this type of lubricant if you are using a worm gear with a yellow metal (brass) component. However, if you have relatively low operating temperatures or no yellow metal present on the gear tooth surfaces, this lubricant works well.

Polyalphaolefin (PAO) gear lubricants work well in worm gear applications because they naturally have good lubricity properties. With a PAO gear oil, it is necessary to watch the additive package, because these can have EP additives. A standard-duty antiwear (AW) fortified gear oil will typically be acceptable, but check that the properties are compatible with most metals.

The author recommends to closely watch the wear metals in oil analysis testing to make sure that the AW package isn't so reactive as to cause significant leaching from the brass. The effect should be far less than what would be seen with EP even in a worst-case scenario for AW reactivity, but it can show up in metals testing. If you need a lubricant that can handle higher- or lower-than-typical temperatures, a suitable PAO-based product is likely available.

Polyalkylene glycols (PAG), a fourth type of lubricant, are becoming more common. These lubricants have excellent lubricity properties, and do not contain the waxes that cause low-temperature problems with many mineral lubricants, making them an excellent low-temperature choice. Caution must be taken when using PAG oils because they are not compatible with mineral oils, and some seals and paints.

The most common worm gears are made with a brass wheel and a steel worm. This is because the brass wheel is typically easier to replace than the worm itself. The wheel is made out of brass because it is designed to be sacrificial.

In the event that the two surfaces come into contact, the worm is marginally safe from wear because the wheel is softer, and therefore, most of the wear occurs on the wheel. Oil analysis reports on this type of unit almost always show some level of copper and low levels of iron - as a result of the sacrificial wheel.

This brass wheel throws another problem into the lubrication equation for worm gears. If a sulfur-phosphorous EP gear oil is put into the sump of a worm gear with a brass wheel, and the temperature is high enough, the EP additive will activate. In normal steel gears, this activation produces a thin layer of oxidation on the surface that helps to protect the gear tooth from shock loads and other extreme mechanical conditions.

On the brass surface however, the activation of the EP additive results in significant corrosion from the sulfur. In a short amount of time, you can lose a significant portion of the load surface of the wheel and cause major damage.

Steel worm and steel worm wheel - This application does not have the EP complications of brass gearing, but there is no room for error built into a gearbox like this. Repairs on worm gear sets with this combination of metal are typically more costly and more time consuming than with a brass/steel worm gear set. This is because the material transfer associated with failure makes both the worm and the wheel unusable in the rebuild.

Brass worm and brass worm wheel - This application is most likely found in moderate to light load situations because the brass can only hold up to a lower amount of load. Lubricant selection on this metal combination is flexible because of the lighter load, but one must still consider the additive restrictions regarding EP because of the yellow metal.

Plastic on metal, on plastic, and other similar combinations - This is typically found in relatively light load applications, such as robotics and automotive components. The lubricant selection depends on the plastic in use, because many plastic varieties react to the hydrocarbons in regular lubricant, and thus will require silicon-based or other nonreactive lubricants.

Although a worm gear will always have a few complications compared to a standard gear set, it can easily be an effective and reliable piece of equipment. With a little attention to setup and lubricant selection, worm gears can provide reliable service as well as any other type of gear set.

worm & worm gears | crusher applications | mining & aggregate market | boston gear

worm & worm gears | crusher applications | mining & aggregate market | boston gear

When used with Boston Gear worms, Boston Gear's worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90), non-intersecting shafts. They are also the smoothest, quietest form of gearing when properly applied.

Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm, the ratio should be kept low. To run properly, worms and worm gears operating together must have the same diametral pitch and threads.

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latest 3hp shaft mounted worm gear motor, for conveyors, 1400rpm price in india

latest 3hp shaft mounted worm gear motor, for conveyors, 1400rpm price in india

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when to choose a worm or helical gear

when to choose a worm or helical gear

It may be conventional wisdom that using a helical gearbox design will lead to more system efficiency than using a worm gear design. However, advances in worm gearbox design as well as improvements in lubrication are closing the efficiency gap to the point where the cost-effectiveness of worm gearboxes is morethan competitive with helical designs.

Right-angle worm gearboxes that previously had efficiencies of 82 or 83% are now showing ratings in the upper 80% ranges, while units that were in the upper 80% range now 93 to 94% efficient. Some manufacturers have made greater strides in these efficiency improvements than others.

Generally speaking, right-angle worm gear reducers begin to see drops in efficiency as they cross into higher ratios. Larger center distance worm gearboxes are generally more efficient than smaller center distances. For example, a standard unit with a 2.6-in. center distance sees efficiency decrease slowly as ratio increases.

Right-angle worm gear reducers tend to lose efficiency as they cross into higher ratios. Larger center distance worm gearboxes are generally more efficient than smaller center distances. For a standard unit with a 2.6-in. center distance, for example, efficiency decreases slowly as ratio increases.

The challenge is what is the trade-off between purchase price and cost savings through efficiency? Is it more economical to pay extra for higher efficiency or is the cost of that efficiency too high to recapture through lower operating costs?

When comparing the energy savings for a helical gearbox compared to a worm gearbox in the same application, there are many situations where the dollars saved are minimal. As a general statement, the multiple stages required within a helical gearbox add complexity and cost. Helical gearboxes are generally more expensive than worm gearboxes for the same HP and gear ratios. When the energy dollars saved are compared to gearbox purchase costs, there are strong reasons to consider right-angle worm gearboxes in many lower HP applications.

To compare the savings in some common lower HP applications, we have calculated the dollar cost to operate a motor at full-load current for an 8-hour shift using a standard ac motor. Motor costs are calculated using a US Department of Energy website which identifies a national average industrial power rate of 6.3 cents per kilowatt-hour as of March 2012.

Based upon market prices and catalog stated efficiencies, the payback time for low HP applications can be long. For example, in a simple application for a 1 HP unit with a 10:1 reduction, the cost of a worm gearbox is $840 less than the equivalent helical unit. The efficiency of the worm gearbox would be 92% compared to a 97% for a helical gearbox.

In an application for a 1 HP unit with a 10:1 reduction, you can conservatively expect to pay a $300 or more premium when using a helical right angle gearbox instead of a worm right angle gearbox. Even the most efficient helical reducer will not exceed 97% (more typically it is in the low to mid 90% range). So, you can use an efficiency of 97% as the best scenario for the helical right angle reducer, as compared with 92% for worm reducers that are manufactured using current technology. That converts to less than a penny per hour of operation. At that rate it would take more than 200,000 hours of operation to recover the difference in costs between the two.

As noted, the higher the ratio, the lower the efficiency of the gearbox. For the same 1 HP application, a 30:1 ratio would see a worm gearbox efficiency drop to 81%. Even in this instance, the purchase price differential between a helical and a worm gearbox is high enough that the time to make up the cost difference would be 48,000 hours.

This chart shows the potential dollar cost to operate a motor at full-load current for an 8-hour shift using a standard ac motor. Motor costs are calculated using a US Department of Energy website which identifies a national average industrial power rate of 6.3 cents per kilowatt-hour as of March 2012.

The crossover point, where it becomes more efficient to use helical rather than worm gearboxes, is at the 10 HP range with ratios above 20:1. With low ratios, the worm gearbox still has a lower purchase cost compared to the helical and still has an efficiency of 94%. But, as ratios rise, the relative efficiency decreases and, in higher ratios, the purchase cost and efficiency ratings both show that the helical gearboxes may be a more cost-efficient design at both purchase and cost of use.

The purpose of these examples is not to imply that worm gearboxes are more suitable than helical gearboxes in all applications. You will find that in applications requiring higher torque (for example 10 HP at a 30:1 ratio), a helical reducer generally provides a better solution. In this example, the difference in efficiency plays a larger role in the TCO calculation and allows for the capability to downsize. The overall takeaway is that it is very important to compare published efficiency ratings of both helical and worm gearboxes for the applicable HP and ratio during the specification process.

For example, If we consider a conveyor, suppose for a stone crusher where required ratio is 30/1 and motor kw 7.5 hp. So, for a stone crusher we have to consider the heavy load, the steep angle for a conveyor also being a factor and 22 hours running time. which would be better to choose.. ?

I am running 1:15 ratio worm gear box with 1 H.P.Motor Drive having rated RPM: 1400 / 4P UP/DOWN Conveyor Appplication.Can I run the same gear box with 2800 RPM / 2P Motor.Does this higher speed RPM motor will damage the gear box.You are requested to answer to this SOS.

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a new approach for the calculation of worm shaft deflection in worm and crossed helical gear drives | gear solutions magazine your resource to the gear industry

a new approach for the calculation of worm shaft deflection in worm and crossed helical gear drives | gear solutions magazine your resource to the gear industry

The available approaches for calculating the worm shaft deflection of worm gears compared with different calculation approaches and experimental tests show large deviations between existing calculation models and experimental results.

Worm gear drives are characterized by a simple design, which allows the realization of a high gear ratio within one stage. Furthermore, they are characterized by low vibration and noise behavior. For these reasons, they are used both as power transmissions and servo drives in various drive solutions. The allowable load and the lifetime of the gearbox is usually limited by wear on the softer worm wheel. The stiffness and the associated worm shaft deflection is considered as an influence factor on the wear as well as the noise, vibration, harshness (NVH) behavior of worm gear drives.

In this paper, the current calculation status for worm shaft deflection is discussed. The underlying experimental results for the calculation of the worm shaft deflection according to DIN 3996 and ISO/TR 14521 are analyzed. A new approach for the worm shaft deflection calculation is developed. Therefore, an analytical model for the bending stiffness of a worm shaft is developed. The model was validated through various FEM simulations. As a result, a new calculation method for the equivalent bending diameter of a worm as well as the formulas for the calculation of the worm shaft deflection are presented.

The developed calculation method details the current state of the art, thus providing a basis for more optimized worm gear design. Furthermore, with this calculation, it is now possible to calculate the bending stiffness of overhung worm shafts as well as worms of reduced tooth thickness which are usually used in crossed helical gear boxes.

Worm gear drives are an established part of the used transmission concepts in the drive train sector. They are used as power transmissions, e.g. in escalators, elevators, and conveyor belts as well as servo-drives in precision applications. In these applications, the advantages of a high transmission ratio in small installation space, low-noise operation, and the possibility of self-breaking and self-locking outweigh the disadvantages of reduced efficiency.

Typically, a worm gear drive consists of a case-hardened worm paired with a bronze worm wheel, as shown in Figure 1. With worm gears, as well as with other types of gears, there is a continuous increase of power density through new materials, coatings, lubricants, or higher manufacturing qualities.

This increase results in higher tooth forces. Since the shape of the worm is slim compared to the worm wheel, the higher tooth forces lead to a higher deflection of the worm shaft, which can have negative consequences for the wear load capacity, the efficiency, as well as the NVH behavior.

Currently-used material-lubricant systems show only limited wear [14], [16] and best efficiencies [10], [11], [15]. The use of cast iron wheels [17] [6] or steel wheels [7], [4] is an existing part of current research. The higher strength of iron compared to bronze leads to further increase in the permissible load and thus to higher tooth forces within the worm toothing.

The tooth forces cause the worm shaft to bend. A high worm shaft deflection can cause interference. This interference can result in transmission deviations, higher noise levels, increased wear, and pitting damage. For this reason, the calculation of the worm shaft deflection is part of the design process of worm-gear drives. The calculation according to AGMA 6022 [1], ISO/TS 14521 [3], and DIN 3996 [2] is used for this purpose. It should be mentioned that the calculation according to ISO/TS 14521 is mostly identical to DIN 3996. All three calculations are based on the model of a bending beam, which is loaded under the assumptions according to Euler-Bernoulli. Simplifications are made here, which sometimes lead to large deviations between calculated and observed values. Equation 1 shows the maximum worm shaft deflection calculated according to AGMA 6022 [1].

This corresponds to a symmetrically mounted cylinder, which is loaded in the middle with the radial force FR. The difference between the calculation according to AGMA 6022 and ISO/TS 14521 is the used moment of inertia I. According to AGMA 6022, the root diameter of the worm df 1 is used as an alternative diameter for the bending beam. The calculation according to ISO/TS 14521 uses 1,1 df 1 .

The alternative diameter is based on test results from Lutz [9]. He carried out tests with worm shafts at the Gear Research Centre (FZG) determining the deflection caused by radial forces. The aim of the tests was to experimentally determine the supporting effect of the worm gear toothing on the worm shaft.

In the test, the worm shafts were symmetrically and flexibly mounted on two blocks. The test setup is shown in Figure 2. The radial force was applied to the worm shaft at defined levels using a pulsator. Then the worm shaft deflection was measured. Based on the test results, the correction factor of 1,1 df 1 was developed.

At the same time, Langenbeck [8] investigated the deflection of worm shafts using FEM. His conclusion was that the axial force of the toothing can be ignored with regard to the deflection. Langenbeck also showed that using the root diameter as equivalent bending diameter of worm shafts with a small diameter quotient q, the deviation between FEM and the analytical solution increases.

The currently used calculation approaches for worm shaft deflection and bending stiffness of worm shafts are simple and efficient calculation approaches. Because of the simplification, they are limited in resolution and accuracy. It has to be considered that the Euler-Bernoulli approach is generally valid for slim bars. In literature, the length-to-width ratio of L/W > 10 can be found as a limit for the applicability of the model. However, this length-to-width ratio is generally not reached for worm shafts.

Furthermore, the standardized calculation approaches are only valid for worm shafts with toothing between the bearing points. A calculation of overhung worm gear toothings, which are commonly used within crossed helical gear sets, is not possible. In addition, there is no consideration of the shaft design next to the toothing area. When using the root diameter as an equivalent bending diameter, the supporting effect of the worm toothing is ignored. Therefore, this calculation represents the extreme case on the safe side.

The replacement diameter correction according to Lutz [9], which is included in the calculation method of ISO/TS 14521 [3], considers this supporting effect. However, the difference in calculation from reality grows with increasing geometrical difference between the calculated worm shaft and the tested gears by Lutz [9].

In addition to the calculation of the worm shaft deflection, calculation systems such as RIKOR [18], LDP [5], ROMAX [13] and others allow the calculation of the stiffness of complete gearboxes with different transmission stages. For the calculation of this overall transmission stiffness, the stiffness of individual machine elements, such as the bending stiffness of shafts, are necessary for the calculation of the stiffness of the whole system. The current calculations of the bending stiffness of worm shafts do not meet this requirement.

The investigation is carried out in a four-stage process, shown in Figure 3. In a first step, the suitability of the finite element method for calculating the worm shaft deflection is determined. Within this investigation, the necessary simulation parameters are defined. Therefore, the bending lines of the experimentally tested worm shafts by Lutz [9] are compared to the simulation results. After the results confirmed the suitability of FEM calculation and the simulation parameters are determined, a parameter study is carried out using 15 worm gear toothings without shaft geometry.

Within the study, parameters are specifically varied in order to test the influence of individual toothing factors on the bending stiffness of the worm gear toothing. The developed analytical model for calculating the bending stiffness of worm gear toothings is compared with the calculation of a CAD software and the simulation results of the FEM calculations based on the moment of inertia, the bending line of the worm toothings and the equivalent bending diameter.

Through the detailed parameter variation carried out within the described investigations, influencing toothing factors can be quantified, and an equivalent bending diameter of the worm gear toothing can be determined. For this, a refinement of the developed analytical bending model is necessary. Finally, the developed calculation model is validated using experimental results from Lutz [9] as well as FEM calculations of worm gear shafts.

The existing calculation methods for calculating the worm shaft deflection were analyzed for the standard reference gear according to ISO/TS 14521 [3]. The boundary conditions of the test setup of Lutz were used. The worm shaft was also calculated using the finite element method. The shaft of the standard reference gear and the resulting bending lines are shown in Figure 4.

The bearings were assumed flexible regarding bending as within the test setup. The calculations according to DIN 3996 [2] and ISO/TS 14521 [3] show a good correlation with the test results for both considered loads. The reason for this is that this worm shaft was tested by Lutz [9], and the correction factor for the equivalent diameter was derived from his results. The calculation according to AGMA 6022 [1] uses the root diameter as equivalent bending diameter. Thus, the calculated bending lines differ constantly from the test results. This calculation is on the safe side.

The bending lines of the FEM calculations are very similar to the experimental values. In the context of the simulations, the locally different shaft dimensions can be considered by using a fine meshing. The increase in bending stiffness due to larger shaft diameters at the bearing points can be seen at the edges of the bending line.

The calculations show two main results. As the standard reference gear was used for the development of the correction factor by Lutz [9], the calculation by ISO/TS 14521 [3] fits very well. Using the calculation according to AGMA 6022 [1], the bending lines show a lack of accuracy. With untested worm shaft geometries, the calculation of ISO/TS 14521 [3] shows significant differences to FEM calculations.

On the other hand, the results show the suitability of the finite element method for the precise calculation of the worm shaft deflection. As part of the calculations, parameters such as element size and boundary conditions for optimal simulation results were obtained, which were subsequently used in the simulations described in the following.

The aim of the calculations is to determine the influence of different toothing parameters on the worm shaft deflection. The following toothing parameters were varied: tooth thickness, tooth height, worm gear size, pressure angle, size factor, and number of worm threads. The variation was based on the standard reference gear of ISO/TS 14521 [3]. Table 1 shows the variation parameter and the resulting transverse section of the worm. The ID indicates the center distance as well as the changed parameter. For example, A100_H080 is the same toothing as A100_Stand with a reduced tooth height of 80 percent. Following that, A100_ALF15 is the geometry of the standard reference gear A100_Stand with a decreased pressure angle.

The toothing parameters of the standard reference gear can be found in ISO/TS 14521 [3]. A further worm gear was derived from the geometry of the standard reference gear by scaling the center distance and the module. This was done in a way so the relative geometry parameters are the same. The percentage changes in tooth thickness, tooth height, and the diameter quotient relate to the values of the standard reference gear.

An improved calculation method for the worm shaft deflection can be achieved by calculating the tooth-dependent bending stiffness of the worm gear toothing. With knowledge of the stiffness, the toothing section of the wormshaft can be calculated using an alternative bending diameter, and the stiffness of the entire worm shaft can be calculated based on the local stiffness of the individual shaft sections.

The following model was developed as part of the investigations. Figure 5 shows the transverse section of a two-threaded worm and the approximated tooth area that is used by the described analytical model.

The calculation model determines the moment of inertia as a combined moment of the root diameter and the moment of the worm gear toothing. The total moment of inertia can be calculated according to Equation 8.

Based on the toothing factors, a trapezoid is calculated. This trapezoid is the basis for the moment of inertia for the toothing. The moments of inertia of the trapezoid for both relevant axes are calculated according to Equations 10 and 11.

The moment of inertia of the toothing is calculated according to Equations 15. The factors a and b depend on the number of threads of the worm. Due to the thread number, the angle between the teeth change. The position and the resulting coordinate transformation of the moment of inertia of a single tooth, as well as the change of the effective distance of the tooth for the total moment of inertia is considered by the factors a and b.

Table 2 shows the difference of the tooth area in transverse section calculated by the CAD system and the tooth area calculated by the herein presented analytical model. Moreover, the different moments of inertia are displayed.

Figure 7 shows the calculated maximum deflection m of the investigated worm toothings. The deflection was calculated according to Euler-Bernoulli as well as with additional consideration of the shear deformation according to Timoshenko. The moment of inertia and the area in the transverse section was calculated by CAD software and with the introduced analytical model. Furthermore, the deflection calculated with FEM is shown.

The results show the calculation according to Euler-Bernoulli as well as the calculation with additional consideration of the shear deformation differ from the results of the FEM calculations. This confirms the mentioned calculation limits. The calculation according to Timoshenko with consideration of the shear deformation tends to show results closer to FEM than the Bernoulli model.

The results of this comparison show the approach for calculating the worm shaft deflection described in the previous chapters is capable of assessing the influence factors from the considered geometry parameters qualitatively as the results show the same tendencies than the FEM calculations. However, there are some deviations in the absolute numbers compared to the FEM calculations that are used as reference. These deviations show the limitations of the currently used approaches and confirm an effect of the twisting worm gear toothing on the worm shaft deflection.

The results of Section 7 show the support or notch effect of the worm gear toothing on the shaft deflection cannot be determined with a purely analytical approach based on only the transverse section of the toothing. Figure 8 shows the ratio of the maximum deflection of the worm shaft according to the FEM in relation to the analytically calculated deflection for the varying toothing parameters. To facilitate the comparison, dimensionless factors were defined for each varied parameter:

The four dimensionless factors represent efficiently the most influencing tooth parameters on the bending stiffness of a worm gear toothing. In the diagrams in Figure 8, the ratio of the maximum deflection of the FEM calculation and the presented analytical calculation is shown for each factor. The slope of the best fit line indicates the variation of the tooth parameter, which is represented by the dimensionless factor and considered well by the analytical model.

The variation of the tooth height as well as of the pressure angle is well considered by the analytical calculation model, since the slope of the best-fit line is small and the deflection values vary slightly. The variation of the tooth thickness as well as the lead angle or the diameter quotient leads to larger deviations between FEM results and analytical calculation.

The variation of the tooth thickness shows that thinner tooth thicknesses are considered better than thicker tooth thicknesses. The calculations show a large influence of the lead angle on the bending stiffness of the toothing. It is also shown the deflection of the one threaded worm variant is outside of the systematic and cannot be calculated correctly with the model.

A reason for this can be found in the difference of the center of the main deviation axis of the moment of inertia of the worm gear tooth. The exception is shown by comparing a single with a seven-threaded worm. The transverse section of both are shown in Figure 9. The main axis of the moment of inertia are shown in green and red, the axis of the worm with a white cross. For the seven-threaded worm, the main axes of inertia and the worm axis are identical. This is the case for every worm except for a one threaded worm.

Using the bending beam model with considered shear bending, the maximum deflection values calculated by FEM can be used to calculate an equivalent bending diameter. Figure 10 shows the ratio of this equivalent diameter according to the FEM calculations (dFEM) and the equivalent diameter according to the analytical calculation model (drep). Through the research process, a dependency of the resulting equivalent bending diameter and the relationship between toothing area and root area. Therefore, a further dimensionless parameter was developed. It is defined by Equation 23.

Considering the results shown in Figure 10, a linear correlation between the correct equivalent bending diameter determined by FEM calculations and the replacement diameter drep can be found for all worm shafts except of single-threaded ones. This correlation can be described as follows:

The comparison of the results shows the presented calculation model takes better account of the influence of different toothing parameters on the worm shaft deflection than the calculation according to ISO/TS 14521 [3] and AGMA 6002 [1]. Furthermore, there is a good alignment between the results of the analytical calculation and the results of the calculation using FEM. In general, the results of the analytical calculation described herein are on the safe side.

The advantage of the presented analytical calculation model is the calculation of an equivalent bending diameter, which can be used when calculating bending beams with different diameters. This means the stiffness of the worm toothing as idle part of the worm shaft can be taken into account in complete gearbox systems.

The bending line starts at the middle of the bearing position. In addition to the real worm shaft geometry, the analytical shaft geometry with the corrected equivalent bending diameter dcor instead of the toothing is shown. The calculation was done using the RIKOR [18] program system. As shown in Figure 4, there is a good correlation between the results of the FEM calculation and the test results. At the same time, the presented analytical calculation approach used within RIKOR shows a good agreement with the experimental results.

Figure 13 shows the bending lines of a tested worm shaft by Lutz [9] with a center distance of a = 65 mm. Contrary to the calculation of the standard reference gear, there is only a small difference between the calculated equivalent bending diameter of the toothing and the subsequent shaft diameters of the worm shaft.

As for the results regarding the standard reference gear, the resulting bending line and maximum worm shaft deflection of the analytical calculation model closely resembles the FEM calculation and the experimental results.

In this paper, the currently available approaches for calculating the worm shaft deflection of worm gears are presented. In some cases, the comparison of the different calculation approaches and experimental tests show large deviations between existing calculation models and experimental results.

An analytical calculation model for the calculation of the equivalent bending diameter of worm gear toothings was developed. The comparison of experimental results and results gained from FEM calculations with results of analytically carried out calculations with the calculation approach presented within this paper show the supporting effect of the toothing cannot be completely described analytically. Using the bending beam model and taking the shear deformation according to Timoshenko into account, a correction factor was derived.

The results gained by using the corrected equivalent bending diameter match well with the experimental as well as with FEM results. Through the investigation, the calculation results showed that a one-threaded worm is best calculated using the root diameter as equivalent bending diameter. Because of this, the calculation according to ISO/TS 14521 [3] and AGMA 6022 [1] provides good results in general for one-threaded worms.

The results also can be used for the calculation of the shaft deflection of high reduction crossed helical gear sets. In this setup, the gear set consists usually of a worm with involute flank profile and a helical gear.

It is now possible to take the bending stiffness of worm toothings into account in calculations of complete gearbox systems. Furthermore, overhung worms that are widely used in practical application can now be calculated.

Printed with permission of the copyright holder, the American Gear Manufacturers Association, 1001 N. Fairfax Street, Suite 500, Alexandria, Virginia 22314. Statements presented in this paper are those of the authors and may not represent the position or opinion of the American Gear Manufacturers Association. (AGMA) This paper was presented October 2020 at the AGMA Fall Technical Meeting. 20FTM06

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Getting accumulated treasured expertise in cooperating with foreign customers, The team has taken part in the making and revising of ISO/TC100 global chain common several years in good results and hosted the sixteenth ISO/TC100 Worldwide yearly assembly in 2004. 150m h2o effectively drilling EPT/ 200m water circulation pneumatic drilling EPT Item parameter Travel wheel 64 Product WD615.sixty nine MaXiHu (West EPT) Dis.mum output 290HP Emission stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd Euro II Number of cylinder six-cylinEPTTin-line with water cooling, turbo-charging and intercooling EPTT HW15710 ten EPTT pace Front Axle HW7 7T Rear Axle ST16 (price:5.571) 2x13T Frame three hundred*ninety*eight 8mm Gas tank 260L EPT alloy tank Wheel Base(mm) 4350 1350 Wheels ampEPTs EPT:12R22.5-16 Model, description HW76/ H17 Air Conditioner Of course Operating voltage 24v Starter, Alternator EPTT brand All round Length 1571mm General Width 2596mm General Heigth 3790mm Max. deepth 100m/150m/200m/300m/400m The gap diameter 100-300mm The drilling rod duration 3000mm/4500mm/6000 mm The drilling rod diameter 76-108mm Perform stress 1-three.45MP Air stream sixteen-35 m3/moment Shaft force seven tons EPT capability 15 tons Rotary torque 4000-7000 N.m Rotary velocity -80rpm Creation MethodMajor attributes EPTTC200DF EPT mounted drilling rig require to use few with air compressor. This EPT chassis could be undertake the 42 , 44 and six times4 EPTT chassis of model EPTTTRUK, EPT, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, eleven.00R20 steel off-street tire tread, with excellent off-street functionality.This rig has really compact framework, the engine of chassis could be adopted 180hp,210hp,240hp,270hp,290hp diesel engine, the engine is manufactured by EPTTTRUK,EPT,XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT. The drilling rig has unbiased diesel engine (EPT DEUTZ-WP6G125E22), the EPTT is 92kw. Not only fulfill the drilling requirements, but also reduce power intake, it is quite affordable.This rig is design theory is an EPTd EPT cylinEPTTfor drilling, stepless lift, it can be accomplished automaic drilling. it can instantly alter the drilling pace for diverse geological conditions.The drilling process can be achieved in pressruized drilling EPT, adjust various strain for various geological circumstances, and can be viewed drilling pressure by strain gauge. At the exact same time, it can change the drilling velocity.The drilling rig can accomplished quick drilling by manually, eEPTTly for soil. It can accomplished distinct speed for distinct soil. It has a huge lifting pressure EPT primary hoist, stepless lift, and to accomplish launch rope quickly. When upgrading hefty, the lifting velocity require gradual to aviod crash the turntable and wellhead board. When place down solitary drill pipe, work the fast manage, it can attained release rope swiftly like mechanical hoist. It has a EPT resource hoist, the device hoist has massive lifting pressure and rapid lifting pace, it is the two easy to loading drill equipment, drill pipe and drill components transportation, and can slide up and down with anchors, its very practical to load and unload the drill pipe. It has a EPT cylinEPTTcontrol double card board EPTT and backward, it can make the insurance policies card board shut, to attain trapped or release the pipe joints. It use built-in design of pneumatic, to attain the BW850/2A mEPTTpump clutch utilizing pneumatic remote manage, it has higher diploma of EPTT and easy-preserving procedure. It is put in four EPT legs and 2 mechanical legs, every single EPT leg rod with locknut. Soon after leveling the rig, it can lock the cylinEPTT use locknut. So, even if the cylinEPTTleaks, the chassis is not instability. The turntable use stir bars, interior turntable use spiral arc EPT to EPTT, it has large torque, it about two moments of equivalent products at domestic and overseas. It also could be mounted a generator (30kw) as an alternative of the impartial motor, so that it is practical to illuminate or operate at night time. The EPT program use open system, the chassis and drilling rig are independently manipulated, it can stay away from misuse. Winter oil heater and summer time oil radiator are set up, to adapt to distinct EPTTons EPT oil for heating and cooling. This drilling rig outfitted with an auXiHu (West EPT) Dis.liary unloading cylinder, it can be utilized to promote the turntable ratchet, to obtain auXiHu (West EPT) Dis.liary unloading the drill pipe. Why Select Us? Other products CertificationsEPTT dataWe are a single skilled maker which refitting EPTT EPT and trailer in EPTT, estabEPTTd in 1969, more than 40 yrs making encounter, a increasing EPTTrprise with endless improvements and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment. Our corporation mainly EPTTizes in the numerous semi trailers and EPTT automobile related company, this kind of as dump EPT, tanker trailer, concrete mixer EPT, and and so on. Also, our enterprise line ranges from the investigation, deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment, and design to the manufacture and income for other vehicle add-ons, eEPTTly for axles and EPT cylinders. Were one particular of the earliest organization to get the acceptance of the ISO, CCC and Obligatory Product Certification EPTTrprises. We have exported much more than 30 countries from 2005.Searching EPTT to your browsing or contacting.We hold excellent relations with principal EPT manufactrers in EPTT. And we can offer all brand names dump EPT created in EPTT. EPT, SEPTCMAN, BEIBEN, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, EPTTTRUK, BEIBEN, EPT, C ampC, and so on. More details for these EPTs, truly feel free to get in touch with us please. Customer visit EPTT amp Shipping and delivery

Our merchandise are produced by modern computerized equipment and equipment. Getting accumulated treasured expertise in cooperating with foreign customers, The team has taken part in the making and revising of ISO/TC100 global chain common several years in good results and hosted the sixteenth ISO/TC100 Worldwide yearly assembly in 2004. 150m h2o effectively drilling EPT/ 200m water circulation pneumatic drilling EPT

Travel wheel 64 Product WD615.sixty nine MaXiHu (West EPT) Dis.mum output 290HP Emission stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd Euro II Number of cylinder six-cylinEPTTin-line with water cooling, turbo-charging and intercooling EPTT HW15710 ten EPTT pace Front Axle HW7 7T Rear Axle ST16 (price:5.571) 2x13T Frame three hundred*ninety*eight 8mm Gas tank 260L EPT alloy tank Wheel Base(mm) 4350 1350 Wheels ampEPTs EPT:12R22.5-16 Model, description HW76/ H17 Air Conditioner Of course Operating voltage 24v Starter, Alternator EPTT brand All round Length 1571mm General Width 2596mm General Heigth 3790mm Max. deepth 100m/150m/200m/300m/400m The gap diameter 100-300mm The drilling rod duration 3000mm/4500mm/6000 mm The drilling rod diameter 76-108mm Perform stress 1-three.45MP Air stream sixteen-35 m3/moment Shaft force seven tons EPT capability 15 tons Rotary torque 4000-7000 N.m Rotary velocity -80rpm Creation MethodMajor attributes EPTTC200DF EPT mounted drilling rig require to use few with air compressor. This EPT chassis could be undertake the 42 , 44 and six times4 EPTT chassis of model EPTTTRUK, EPT, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, eleven.00R20 steel off-street tire tread, with excellent off-street functionality.This rig has really compact framework, the engine of chassis could be adopted 180hp,210hp,240hp,270hp,290hp diesel engine, the engine is manufactured by EPTTTRUK,EPT,XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT. The drilling rig has unbiased diesel engine (EPT DEUTZ-WP6G125E22), the EPTT is 92kw. Not only fulfill the drilling requirements, but also reduce power intake, it is quite affordable.This rig is design theory is an EPTd EPT cylinEPTTfor drilling, stepless lift, it can be accomplished automaic drilling. it can instantly alter the drilling pace for diverse geological conditions.The drilling process can be achieved in pressruized drilling EPT, adjust various strain for various geological circumstances, and can be viewed drilling pressure by strain gauge. At the exact same time, it can change the drilling velocity.The drilling rig can accomplished quick drilling by manually, eEPTTly for soil. It can accomplished distinct speed for distinct soil. It has a huge lifting pressure EPT primary hoist, stepless lift, and to accomplish launch rope quickly. When upgrading hefty, the lifting velocity require gradual to aviod crash the turntable and wellhead board. When place down solitary drill pipe, work the fast manage, it can attained release rope swiftly like mechanical hoist. It has a EPT resource hoist, the device hoist has massive lifting pressure and rapid lifting pace, it is the two easy to loading drill equipment, drill pipe and drill components transportation, and can slide up and down with anchors, its very practical to load and unload the drill pipe. It has a EPT cylinEPTTcontrol double card board EPTT and backward, it can make the insurance policies card board shut, to attain trapped or release the pipe joints. It use built-in design of pneumatic, to attain the BW850/2A mEPTTpump clutch utilizing pneumatic remote manage, it has higher diploma of EPTT and easy-preserving procedure. It is put in four EPT legs and 2 mechanical legs, every single EPT leg rod with locknut. Soon after leveling the rig, it can lock the cylinEPTT use locknut. So, even if the cylinEPTTleaks, the chassis is not instability. The turntable use stir bars, interior turntable use spiral arc EPT to EPTT, it has large torque, it about two moments of equivalent products at domestic and overseas. It also could be mounted a generator (30kw) as an alternative of the impartial motor, so that it is practical to illuminate or operate at night time. The EPT program use open system, the chassis and drilling rig are independently manipulated, it can stay away from misuse. Winter oil heater and summer time oil radiator are set up, to adapt to distinct EPTTons EPT oil for heating and cooling. This drilling rig outfitted with an auXiHu (West EPT) Dis.liary unloading cylinder, it can be utilized to promote the turntable ratchet, to obtain auXiHu (West EPT) Dis.liary unloading the drill pipe. Why Select Us? Other products CertificationsEPTT dataWe are a single skilled maker which refitting EPTT EPT and trailer in EPTT, estabEPTTd in 1969, more than 40 yrs making encounter, a increasing EPTTrprise with endless improvements and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment. Our corporation mainly EPTTizes in the numerous semi trailers and EPTT automobile related company, this kind of as dump EPT, tanker trailer, concrete mixer EPT, and and so on. Also, our enterprise line ranges from the investigation, deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment, and design to the manufacture and income for other vehicle add-ons, eEPTTly for axles and EPT cylinders. Were one particular of the earliest organization to get the acceptance of the ISO, CCC and Obligatory Product Certification EPTTrprises. We have exported much more than 30 countries from 2005.Searching EPTT to your browsing or contacting.We hold excellent relations with principal EPT manufactrers in EPTT. And we can offer all brand names dump EPT created in EPTT. EPT, SEPTCMAN, BEIBEN, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, EPTTTRUK, BEIBEN, EPT, C ampC, and so on. More details for these EPTs, truly feel free to get in touch with us please. Customer visit EPTT amp Shipping and delivery

EPTTC200DF EPT mounted drilling rig require to use few with air compressor. This EPT chassis could be undertake the 42 , 44 and six times4 EPTT chassis of model EPTTTRUK, EPT, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, eleven.00R20 steel off-street tire tread, with excellent off-street functionality.This rig has really compact framework, the engine of chassis could be adopted 180hp,210hp,240hp,270hp,290hp diesel engine, the engine is manufactured by EPTTTRUK,EPT,XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT. The drilling rig has unbiased diesel engine (EPT DEUTZ-WP6G125E22), the EPTT is 92kw. Not only fulfill the drilling requirements, but also reduce power intake, it is quite affordable.This rig is design theory is an EPTd EPT cylinEPTTfor drilling, stepless lift, it can be accomplished automaic drilling. it can instantly alter the drilling pace for diverse geological conditions.The drilling process can be achieved in pressruized drilling EPT, adjust various strain for various geological circumstances, and can be viewed drilling pressure by strain gauge. At the exact same time, it can change the drilling velocity.The drilling rig can accomplished quick drilling by manually, eEPTTly for soil. It can accomplished distinct speed for distinct soil.

It has a huge lifting pressure EPT primary hoist, stepless lift, and to accomplish launch rope quickly. When upgrading hefty, the lifting velocity require gradual to aviod crash the turntable and wellhead board. When place down solitary drill pipe, work the fast manage, it can attained release rope swiftly like mechanical hoist.

It has a EPT resource hoist, the device hoist has massive lifting pressure and rapid lifting pace, it is the two easy to loading drill equipment, drill pipe and drill components transportation, and can slide up and down with anchors, its very practical to load and unload the drill pipe.

It is put in four EPT legs and 2 mechanical legs, every single EPT leg rod with locknut. Soon after leveling the rig, it can lock the cylinEPTT use locknut. So, even if the cylinEPTTleaks, the chassis is not instability.

The EPT program use open system, the chassis and drilling rig are independently manipulated, it can stay away from misuse. Winter oil heater and summer time oil radiator are set up, to adapt to distinct EPTTons EPT oil for heating and cooling.

Why Select Us? Other products CertificationsEPTT dataWe are a single skilled maker which refitting EPTT EPT and trailer in EPTT, estabEPTTd in 1969, more than 40 yrs making encounter, a increasing EPTTrprise with endless improvements and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment. Our corporation mainly EPTTizes in the numerous semi trailers and EPTT automobile related company, this kind of as dump EPT, tanker trailer, concrete mixer EPT, and and so on. Also, our enterprise line ranges from the investigation, deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment, and design to the manufacture and income for other vehicle add-ons, eEPTTly for axles and EPT cylinders. Were one particular of the earliest organization to get the acceptance of the ISO, CCC and Obligatory Product Certification EPTTrprises. We have exported much more than 30 countries from 2005.Searching EPTT to your browsing or contacting.We hold excellent relations with principal EPT manufactrers in EPTT. And we can offer all brand names dump EPT created in EPTT. EPT, SEPTCMAN, BEIBEN, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, EPTTTRUK, BEIBEN, EPT, C ampC, and so on. More details for these EPTs, truly feel free to get in touch with us please. Customer visit EPTT amp Shipping and delivery

CertificationsEPTT dataWe are a single skilled maker which refitting EPTT EPT and trailer in EPTT, estabEPTTd in 1969, more than 40 yrs making encounter, a increasing EPTTrprise with endless improvements and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment. Our corporation mainly EPTTizes in the numerous semi trailers and EPTT automobile related company, this kind of as dump EPT, tanker trailer, concrete mixer EPT, and and so on. Also, our enterprise line ranges from the investigation, deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment, and design to the manufacture and income for other vehicle add-ons, eEPTTly for axles and EPT cylinders. Were one particular of the earliest organization to get the acceptance of the ISO, CCC and Obligatory Product Certification EPTTrprises. We have exported much more than 30 countries from 2005.Searching EPTT to your browsing or contacting.We hold excellent relations with principal EPT manufactrers in EPTT. And we can offer all brand names dump EPT created in EPTT. EPT, SEPTCMAN, BEIBEN, XiHu (West EPT) Dis.HU (WEST LAKE) DIS.EPT, EPTTTRUK, BEIBEN, EPT, C ampC, and so on. More details for these EPTs, truly feel free to get in touch with us please. Customer visit

Moreover, WE CAN Make Tailored VARIATORS, GEARED MOTORS, Electric MOTORS AND OTHER HYDRAULIC Products According TO CUSTOMERS DRAWINGS. Wonderful focus has been paid on environmental defense and vitality saving. Our product assortment includes all types of helical gear, spur gear, bevel gear, equipment rack, worm equipment, sprockets,chains, bearings. EPT Stone EPTEPTTct Crusher for Sale with EPT EPTT PF Sequence EPTEPTTct Crusher utilizes effect energy to crush the supplies. The components EPTTring from the inlet impacts the plate hammer on the rotor and would be crushed unEPTTthe higher-speed influence of the plate hammer. PF effect crushers is mainly used to approach comfortable components and non abrasive components, these kinds of as limestone, phosphate, gypsum, weathered shales, etc. Functions Of EPTEPTTct Crusher1.Use-Resistant Plate Hammer Has EPTTer Services EPTtwo.Semi-EPTT Security Design Decreasing Hazards Of Overload And Shortening Downtimethree.Prime EPT Adjustment Gadget Can Freely EPTT Discharging Sizesfour.Ratchet Wheel Flapping Device Can make Substitute Of EPT Elements Far more Practical5.EPTTized Processing, EPTer EPT6.Sufficient EPT Of EPT Elements, Be concerned-Cost-free Procedure Specification Of EPTEPTTct Crusher PF EPTEPTTct Crusher breaks components with impact pressure. When functioning, EPTn by a motor, the rotor rotates at a substantial speed. When resources EPTTr the functioning spot of hammer, they are crushed unEPTTthe substantial-pace EPT. Then damaged materials are thrown on to the lining plate for an additional crushing. Ultimately, certified supplies are discharged from the opening. Altering the hole in between the effect rack and rotor rack can adjust the granularity and shape of finished merchandise. The impact crusher is mainly used in mixture EPTT(stone crushing EPTT), ore rock crushing EPTT, EPTral processing EPTT, solid waste recycling EPTT, coal crushing EPTT, and so forth.

Moreover, WE CAN Make Tailored VARIATORS, GEARED MOTORS, Electric MOTORS AND OTHER HYDRAULIC Products According TO CUSTOMERS DRAWINGS. Wonderful focus has been paid on environmental defense and vitality saving. Our product assortment includes all types of helical gear, spur gear, bevel gear, equipment rack, worm equipment, sprockets,chains, bearings.

PF Sequence EPTEPTTct Crusher utilizes effect energy to crush the supplies. The components EPTTring from the inlet impacts the plate hammer on the rotor and would be crushed unEPTTthe higher-speed influence of the plate hammer. PF effect crushers is mainly used to approach comfortable components and non abrasive components, these kinds of as limestone, phosphate, gypsum, weathered shales, etc.

Functions Of EPTEPTTct Crusher1.Use-Resistant Plate Hammer Has EPTTer Services EPTtwo.Semi-EPTT Security Design Decreasing Hazards Of Overload And Shortening Downtimethree.Prime EPT Adjustment Gadget Can Freely EPTT Discharging Sizesfour.Ratchet Wheel Flapping Device Can make Substitute Of EPT Elements Far more Practical5.EPTTized Processing, EPTer EPT6.Sufficient EPT Of EPT Elements, Be concerned-Cost-free Procedure

PF EPTEPTTct Crusher breaks components with impact pressure. When functioning, EPTn by a motor, the rotor rotates at a substantial speed. When resources EPTTr the functioning spot of hammer, they are crushed unEPTTthe substantial-pace EPT. Then damaged materials are thrown on to the lining plate for an additional crushing. Ultimately, certified supplies are discharged from the opening. Altering the hole in between the effect rack and rotor rack can adjust the granularity and shape of finished merchandise. The impact crusher is mainly used in mixture EPTT(stone crushing EPTT), ore rock crushing EPTT, EPTral processing EPTT, solid waste recycling EPTT, coal crushing EPTT, and so forth.

PF EPTEPTTct Crusher breaks components with impact pressure. When functioning, EPTn by a motor, the rotor rotates at a substantial speed. When resources EPTTr the functioning spot of hammer, they are crushed unEPTTthe substantial-pace EPT. Then damaged materials are thrown on to the lining plate for an additional crushing. Ultimately, certified supplies are discharged from the opening. Altering the hole in between the effect rack and rotor rack can adjust the granularity and shape of finished merchandise. The impact crusher is mainly used in mixture EPTT(stone crushing EPTT), ore rock crushing EPTT, EPTral processing EPTT, solid waste recycling EPTT, coal crushing EPTT, and so forth.

PF EPTEPTTct Crusher breaks components with impact pressure. When functioning, EPTn by a motor, the rotor rotates at a substantial speed. When resources EPTTr the functioning spot of hammer, they are crushed unEPTTthe substantial-pace EPT. Then damaged materials are thrown on to the lining plate for an additional crushing. Ultimately, certified supplies are discharged from the opening. Altering the hole in between the effect rack and rotor rack can adjust the granularity and shape of finished merchandise.

Our solution assortment also addresses locking assemblies (clamping components/locking system), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, common joint, rod ends and yokes. In 2008, it was awarded with Countrywide Export Commodity Inspection-free of charge Organization. Moreover, all our manufacturing procedures are in compliance with ISO9002 requirements.

We also can design and make non-standard items to fulfill customers unique specifications. EPG has set up a full established of top quality management program which is presented with advanced inspection and test equipment. The solution well shows environmental protection and power preserving. Gravity Feeding one.5mm Nozzle Air Sprayer Portray Spray Gun * Item Images * SPECIFICATION Model No. Nozzle Dimension Phimm Air Force (Mpa) Air Usage (L/min) EPT Distance (mm) EPT Width (mm) EPT Output (ml/min) WeigEPTT (g) Suggested Air EPTT EPTT (Kw) Feeding Variety W-77- one.two .34 430 250 445 480 550 2.two-three.7 Stress W-77-02 one.2 .34 420 250 400 480 550 two.2-3.seven W-seventy seven-1S 1.five .34 180 250 210 255 550 .75-one.5 Siphon W-seventy seven-11S 1.5 .34 290 250 260 255 550 1.5-2.2 W-seventy seven-12S one.five .34 370 250 230 255 550 two.two-three.seven W-seventy seven-2S two. .34 250 250 255 345 550 one.five W-77-21S two. .34 340 250 270 350 550 1.five-two.two W-77-3S 2.five .34 325 250 280 435 550 one.five-2.2 W-seventy seven-1G 1.5 .34 one hundred eighty 250 230 285 550 .75~one.5 Gravity W-77-11G 1.5 .34 290 250 290 285 550 1.5-2.two W-77-12G 1.5 .34 370 250 255 285 550 2.two-3.7 W-77-2G 2. .34 250 250 290 390 550 one.five W-77-21G 2. .34 340 250 335 390 550 1.five-two.2 W-seventy seven-3G 2.five .34 325 250 330 485 550 one.five-2.two * A lot more Goods one) 1~ 6 Air Orbital Sander/PoEPTTr (United states of america, Europe, Japan, EPTTiwan EPTT)two) 2~9 Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinder5) Air ScrewEPTrsix) Air EPTEPTTct Wrench7) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air File11) Air Observed12) Air Squeezerthirteen) Air Pull Setter / Air Riveterfourteen) Air Drillfifteen) Air Spray Gun16) Oil Pulse Air Resources16) Air Squeeze Riveter17) Air Chipping Hammereighteen) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivettwenty five) Automobile Care Poducts25) All Resources EPT ComponentsAnd many others *WHY Decide on USone. Exceptional EPTT amp Competitive Charges Were the initial manufacturer in EPTT to make specialist-level AIR EPT ampABRASIVES. We have ample expertise in making good quality goods with aggressive rates. 2. EPTT ServiceWe offer you with the very best provider. All resources spare parts obtainable for aftersales support and we can educate you how to restore equipment with films or thorough repairing handbook in pdf EPTnical resolution will be given in time if you satisfy any difficulty. Short guide time to put together your orders and allow you EPT the goods ASAP We are almost eighteen hrs on the web each and every working day. three. EPT QC TechniqueWe have a sturdy high quality-control crew to inspect each merchandise and make confident they are one hundred% best prior to sending to customers. four. BrigEPTT EPT CooperationWe keep enhancing, innovating and making goods. So your merchandise range will be widen and widen and a lot more skilled. Our powerful product sales staff can educate you how to offer and where sell to.

We also can design and make non-standard items to fulfill customers unique specifications. EPG has set up a full established of top quality management program which is presented with advanced inspection and test equipment. The solution well shows environmental protection and power preserving.

* Item Images * SPECIFICATION Model No. Nozzle Dimension Phimm Air Force (Mpa) Air Usage (L/min) EPT Distance (mm) EPT Width (mm) EPT Output (ml/min) WeigEPTT (g) Suggested Air EPTT EPTT (Kw) Feeding Variety W-77- one.two .34 430 250 445 480 550 2.two-three.7 Stress W-77-02 one.2 .34 420 250 400 480 550 two.2-3.seven W-seventy seven-1S 1.five .34 180 250 210 255 550 .75-one.5 Siphon W-seventy seven-11S 1.5 .34 290 250 260 255 550 1.5-2.2 W-seventy seven-12S one.five .34 370 250 230 255 550 two.two-three.seven W-seventy seven-2S two. .34 250 250 255 345 550 one.five W-77-21S two. .34 340 250 270 350 550 1.five-two.two W-77-3S 2.five .34 325 250 280 435 550 one.five-2.2 W-seventy seven-1G 1.5 .34 one hundred eighty 250 230 285 550 .75~one.5 Gravity W-77-11G 1.5 .34 290 250 290 285 550 1.5-2.two W-77-12G 1.5 .34 370 250 255 285 550 2.two-3.7 W-77-2G 2. .34 250 250 290 390 550 one.five W-77-21G 2. .34 340 250 335 390 550 1.five-two.2 W-seventy seven-3G 2.five .34 325 250 330 485 550 one.five-2.two * A lot more Goods one) 1~ 6 Air Orbital Sander/PoEPTTr (United states of america, Europe, Japan, EPTTiwan EPTT)two) 2~9 Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinder5) Air ScrewEPTrsix) Air EPTEPTTct Wrench7) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air File11) Air Observed12) Air Squeezerthirteen) Air Pull Setter / Air Riveterfourteen) Air Drillfifteen) Air Spray Gun16) Oil Pulse Air Resources16) Air Squeeze Riveter17) Air Chipping Hammereighteen) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivettwenty five) Automobile Care Poducts25) All Resources EPT ComponentsAnd many others *WHY Decide on USone. Exceptional EPTT amp Competitive Charges Were the initial manufacturer in EPTT to make specialist-level AIR EPT ampABRASIVES. We have ample expertise in making good quality goods with aggressive rates. 2. EPTT ServiceWe offer you with the very best provider. All resources spare parts obtainable for aftersales support and we can educate you how to restore equipment with films or thorough repairing handbook in pdf EPTnical resolution will be given in time if you satisfy any difficulty. Short guide time to put together your orders and allow you EPT the goods ASAP We are almost eighteen hrs on the web each and every working day. three. EPT QC TechniqueWe have a sturdy high quality-control crew to inspect each merchandise and make confident they are one hundred% best prior to sending to customers. four. BrigEPTT EPT CooperationWe keep enhancing, innovating and making goods. So your merchandise range will be widen and widen and a lot more skilled. Our powerful product sales staff can educate you how to offer and where sell to.

* A lot more Goods one) 1~ 6 Air Orbital Sander/PoEPTTr (United states of america, Europe, Japan, EPTTiwan EPTT)two) 2~9 Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinder5) Air ScrewEPTrsix) Air EPTEPTTct Wrench7) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air File11) Air Observed12) Air Squeezerthirteen) Air Pull Setter / Air Riveterfourteen) Air Drillfifteen) Air Spray Gun16) Oil Pulse Air Resources16) Air Squeeze Riveter17) Air Chipping Hammereighteen) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivettwenty five) Automobile Care Poducts25) All Resources EPT ComponentsAnd many others

*WHY Decide on USone. Exceptional EPTT amp Competitive Charges Were the initial manufacturer in EPTT to make specialist-level AIR EPT ampABRASIVES. We have ample expertise in making good quality goods with aggressive rates.

2. EPTT ServiceWe offer you with the very best provider. All resources spare parts obtainable for aftersales support and we can educate you how to restore equipment with films or thorough repairing handbook in pdf EPTnical resolution will be given in time if you satisfy any difficulty. Short guide time to put together your orders and allow you EPT the goods ASAP We are almost eighteen hrs on the web each and every working day.

four. BrigEPTT EPT CooperationWe keep enhancing, innovating and making goods. So your merchandise range will be widen and widen and a lot more skilled. Our powerful product sales staff can educate you how to offer and where sell to.

Hangzhou EPG Co.,Ltd. , was started in November, 1997. With its 5 wholly owned subsidiaries. In 2008, it was awarded with Countrywide Export Commodity Inspection-free of charge Organization. In addition, all our generation processes are in compliance with ISO9002 expectations. Ratchet FleXiHu (West EPT) Dis.ble Take care of with Adjustable Lengths EPT Torque Item NO period Measurement L PhiA A1 TORQUE BS-FB1406 1 sol4 apos aposX6 apos apos 150 62 BS-FB1408 1 sol4 apos aposX8 apos apos two hundred sixty two RequirementsFleXiHu (West EPT) Dis.ble reversible thirty-40cm ratchet handleFleXiHu (West EPT) Dis.ble rapid reversible ratchet manageone sol2 quotone sol4 quot3 sol8 quot EPTT ampDelivery colon EPTT Particulars colonDelivery Depth colon StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd export EPTT or as the customer aposs ask for 7~20 daEPTTafter receipt of the deposit Our EPTTHangEPT BEISHUO EPTRDWARE CO time period comma LTDone time period Specialist provider for wheel EPT and hand equipment for a lot more than six many years period2 interval Manufacturing unit price comma superb export knowledge period of timethree periodWe can customise distinct dimensions items for your as your drawing time period EPT phrases colon1 periodPayment time period colonT solT prior to cargotwo periodDelivery colon3-five daEPTTfor sample purchase comma twenty-twenty five daEPTTfor bulk order interval3 periodEPT by sea comma by air comma by Specific lparDHL solUPS solFedEx solEMS solTNT rpar interval4 periodEPT freigEPTT will be quoted when you have order period of timefive periodEPT port colonMainly HangEPT comma ZheJiang periodDepends on consumers apos ask for6 periodIf you want EPTT discount periodPlease let us know what quantity you can buy periodseven periodBigger orEPTTwill be EPT price reduction period of time Our services colon1 periodYour inquiry will be replied in 24hrs intervaltwo periodOEM amp ODM comma any your EPT lightings we can aid you to style and put into solution periodthree periodDistributorship are supplied for your EPT layout and some existing models time periodfour periodProtection of your sales spot comma tips of layout and all your non-public details intervalfive periodTop top quality in addition sensible price tag furthermore liable after service equals profitable amp win interval ATTN colon CarolHangEPT BeiShuo EPT Co period commaLtd intervalAdd colon No period66 Modaoqiao Road comma HangEPT comma EPTT comma EPTT Site colon beishuo perioden periodmade-in-china periodcom

Hangzhou EPG Co.,Ltd. , was started in November, 1997. With its 5 wholly owned subsidiaries. In 2008, it was awarded with Countrywide Export Commodity Inspection-free of charge Organization. In addition, all our generation processes are in compliance with ISO9002 expectations. Ratchet FleXiHu (West EPT) Dis.ble Take care of with Adjustable Lengths EPT Torque

Our EPTTHangEPT BEISHUO EPTRDWARE CO time period comma LTDone time period Specialist provider for wheel EPT and hand equipment for a lot more than six many years period2 interval Manufacturing unit price comma superb export knowledge period of timethree periodWe can customise distinct dimensions items for your as your drawing time period

EPT phrases colon1 periodPayment time period colonT solT prior to cargotwo periodDelivery colon3-five daEPTTfor sample purchase comma twenty-twenty five daEPTTfor bulk order interval3 periodEPT by sea comma by air comma by Specific lparDHL solUPS solFedEx solEMS solTNT rpar interval4 periodEPT freigEPTT will be quoted when you have order period of timefive periodEPT port colonMainly HangEPT comma ZheJiang periodDepends on consumers apos ask for6 periodIf you want EPTT discount periodPlease let us know what quantity you can buy periodseven periodBigger orEPTTwill be EPT price reduction period of time

Our services colon1 periodYour inquiry will be replied in 24hrs intervaltwo periodOEM amp ODM comma any your EPT lightings we can aid you to style and put into solution periodthree periodDistributorship are supplied for your EPT layout and some existing models time periodfour periodProtection of your sales spot comma tips of layout and all your non-public details intervalfive periodTop top quality in addition sensible price tag furthermore liable after service equals profitable amp win interval

we have acquired the trust of buyers globally. Moreover, WE CAN Create Personalized VARIATORS, GEARED MOTORS, Electric MOTORS AND OTHER HYDRAULIC Goods In accordance TO CUSTOMERS DRAWINGS. EPG has been effectively licensed by ISO9002 High quality Administration System, ISO9001 Good quality Administration Method, API certificate, ISO/TS16949:2002 and ISO10012 measurement administration technique. 8Inch 200mm Velcro Hook and Loop SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backing Pad * Product Photos* More Items 1) 1~ 6 Air Orbital Sander/PoEPTTr (Usa, Europe, Japan, EPTTiwan EPTT)2) 2~nine Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinderfive) Air ScrewEPTrsix) Air EPTEPTTct Wrenchseven) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air Fileeleven) Air Observed12) Air Squeezer13) Air Pull Setter / Air Riveterfourteen) Air Drill15) Air Spray Gunsixteen) Oil Pulse Air Equipment16) Air Squeeze Riveterseventeen) Air Chipping Hammer18) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivet25) Car Treatment Poductstwenty five) All Instruments EPT ComponentsEtc

we have acquired the trust of buyers globally. Moreover, WE CAN Create Personalized VARIATORS, GEARED MOTORS, Electric MOTORS AND OTHER HYDRAULIC Goods In accordance TO CUSTOMERS DRAWINGS. EPG has been effectively licensed by ISO9002 High quality Administration System, ISO9001 Good quality Administration Method, API certificate, ISO/TS16949:2002 and ISO10012 measurement administration technique.

* Product Photos* More Items 1) 1~ 6 Air Orbital Sander/PoEPTTr (Usa, Europe, Japan, EPTTiwan EPTT)2) 2~nine Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinderfive) Air ScrewEPTrsix) Air EPTEPTTct Wrenchseven) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air Fileeleven) Air Observed12) Air Squeezer13) Air Pull Setter / Air Riveterfourteen) Air Drill15) Air Spray Gunsixteen) Oil Pulse Air Equipment16) Air Squeeze Riveterseventeen) Air Chipping Hammer18) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivet25) Car Treatment Poductstwenty five) All Instruments EPT ComponentsEtc

* Product Photos* More Items 1) 1~ 6 Air Orbital Sander/PoEPTTr (Usa, Europe, Japan, EPTTiwan EPTT)2) 2~nine Air Angle GrinEPTT(Japan ampEPTTiwan EPTT)3) Air Die GrinEPTT(Japan ampEPTTiwan EPTT)4) Air EPT GrinEPTT/ Air Pencil Grinderfive) Air ScrewEPTrsix) Air EPTEPTTct Wrenchseven) Air Ratchet Wrencheight) Air Belt Sander9) Air Drawing EPTT10) Air Fileeleven) Air Observed12) Air Squeezer13) Air Pull Setter / Air Riveterfourteen) Air Drill15) Air Spray Gunsixteen) Oil Pulse Air Equipment16) Air Squeeze Riveterseventeen) Air Chipping Hammer18) Air EPTT-Squander Stripper19) SXiHu (West EPT) Dis.Hu (West EPT) Dis. Backup Pad20) Sand Paper21) EPT Wheel22) Wool/Sponge/Foam Buffing Pad23) Mounted Details24) Riveting Nut, Pop Rivet25) Car Treatment Poductstwenty five) All Instruments EPT ComponentsEtc

We are constantly serving our consumers with our ideal items. our items are offering properly in the American, European, South American and Asian markets. Our item range contains all kinds of helical gear, spur gear, bevel equipment, gear rack, worm gear, sprockets,chains, bearings.

Keeping in brain that good provider is the key to cooperating with clientele, we try to meet up with substantial high quality specifications, offer aggressive prices and make certain prompt shipping. The group has taken portion in the creating and revising of ISO/TC100 global chain normal numerous many years in accomplishment and hosted the sixteenth ISO/TC100 Intercontinental yearly conference in 2004. EPG is a expert manufacturer and exporter that is anxious with the design, growth and production.

Superior thermo treatment equipment, these kinds of as community warmth therapy oven, multi-use thermo treatment oven, and many others. In 2008, it was awarded with Nationwide Export Commodity Inspection-totally free Organization. In this way, our goods have continued to gain marketplace acceptance and clients pleasure over the previous few a long time. Hot Selling Al-Ti Alloy Square Travel EPT Torque Wrench Item Features 1. Al-Ti alloy built-in EPTT has high power, high tenacity with ligEPTT bodyweight.two. The 360 ordm times180 ordm rotating oil connection has no limitation in utilised space and is convenient to be operated.3. The actuating shaft is introduced by torque and can quick switch between screwing up and dismantling.four. The EPT piston and EPTT head have a little form, compact construction and modest procedure radius.5. The nut rotation angle in single procedure is large and the EPT piston has a fast return stroke. The work efficiency is substantial.6. The reactive pressure is on one straigEPTT line, which can lower the internal torque abrasion.seven. The continual torque output gives the large precision for wrench in the EPTT operating method.8. The routine maintenance is easy and does not need the EPTT instruments.nine. The precise ratchet wheel is employed in the inside of the wrench, with the precision up to plusmn3%. Parameter Model SOV-1MXTA SOV-3MXTA SOV-5MXTA SOV-8MXTA SOV-10MXTA SOV-20MXTA SOV-25MXTA SOV-35MXTA Torque Selection (nm) 183-1837 451-4512 752-7528 1078-10780 1551-15516 2666-26664 3472-34725 4886-48666 Bolt Measurement (mm) 16-36 22-48 27-56 30-sixty four 36-72 42-90 forty eight-a hundred 64-115 Nut Measurement (mm) 24-55 34-seventy five forty one-eighty five 46-ninety five 55-105 sixty five-110 74-a hundred forty five 95-one hundred sixty five Sq. Push 3/4 1 1-one/2 1-1/2 one-1/2 2-1/2 two-one/2 2-1/2 Photos EPTT Details 1. Exterior EPTT: stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd export wooden EPTT 2. Interior EPTT: alloy scenario three. EPTT EPTT suitable. EPT 1. Tiny amount: by global exress, this sort of as DHL, TNT, FEDEX, UPS, etc. relying on the customers option. Products will arrive inside seven daEPTTin regular cicumstances2. Large quantity: by sea transportation. Merchandise will arrive in thirty~forty five days, in accordance to the diatance. Item Application Our products are extensively utilized all in excess of the world, eEPTTly in Papermaking, EPTlurgy, Petrification, Bridge, EPTT, Electric power, EPT, and so forth. Our Service 1. 24 several hours online supporttwo. A single 12 months guarantee, fix and service for the EPTT existence.3. Issue report will be replied in forty eight hrs.four. EPTT certain. Certificate EPTT Details SOV EPT EPTnoloy EPTT EPTT, Ltd. is a company engaged in developing and manufacturing EPT cylinders , synchronous PLC EPT program, EPT pumps, torque wrenches, and EPT elements. Considering that the establishment in 1995, we effectively remodeled from OEM company for several worldwide brands to EPT our possess brand name SOV, and our manufacturing unit has been authorized by CE, ISO9001:2008 consecutively.Our buyers inclEPTTmany large EPTT EPTT organizations, these kinds of as EPTT EPT, EPTT, EPTTpec, EPTT State Grid, EPTTngnan Shipyards, Sany Group, EPTT Railway EPTT EPTT. Our synchronous PLC EPT program had performed a fantastic role in the EPTT substantial-pace railway constructions. In 2011, our product sales revenue reached 30 million USD, creating us a single of the leaders in the EPTT EPT cylinders market eEPTTly in the added-high EPT cylinders for EPTT region and building field. Our merchandise incEPTT:EPT cylinders, jacks (five-1000ton)EPT/ electric /pneumatic torque wrench (100-72000Nm)EPT bolt tensioner (a hundred-11486NM)EPT pullers (5-a hundred ton)Integrated EPT lifting program remediesEPT elements. Aggressive Benefits one. EPT good quality in aggressive pricetwo. Low minimun orEPTTquantitythree. Wide variety of goods for your reference4. Good customer support: buyer pleasure is our promary objective. Prompt, professional support supplied by passionate and client worldwide salespeople.5. OEM providers: customers Symbol engraving, EPT EPTT, and create the items according to customers design and style, and so forth.

Superior thermo treatment equipment, these kinds of as community warmth therapy oven, multi-use thermo treatment oven, and many others. In 2008, it was awarded with Nationwide Export Commodity Inspection-totally free Organization. In this way, our goods have continued to gain marketplace acceptance and clients pleasure over the previous few a long time. Hot Selling Al-Ti Alloy Square Travel EPT Torque Wrench

1. Al-Ti alloy built-in EPTT has high power, high tenacity with ligEPTT bodyweight.two. The 360 ordm times180 ordm rotating oil connection has no limitation in utilised space and is convenient to be operated.3. The actuating shaft is introduced by torque and can quick switch between screwing up and dismantling.four. The EPT piston and EPTT head have a little form, compact construction and modest procedure radius.5. The nut rotation angle in single procedure is large and the EPT piston has a fast return stroke. The work efficiency is substantial.6. The reactive pressure is on one straigEPTT line, which can lower the internal torque abrasion.seven. The continual torque output gives the large precision for wrench in the EPTT operating method.8. The routine maintenance is easy and does not need the EPTT instruments.nine. The precise ratchet wheel is employed in the inside of the wrench, with the precision up to plusmn3%.

1. Tiny amount: by global exress, this sort of as DHL, TNT, FEDEX, UPS, etc. relying on the customers option. Products will arrive inside seven daEPTTin regular cicumstances2. Large quantity: by sea transportation. Merchandise will arrive in thirty~forty five days, in accordance to the diatance.

SOV EPT EPTnoloy EPTT EPTT, Ltd. is a company engaged in developing and manufacturing EPT cylinders , synchronous PLC EPT program, EPT pumps, torque wrenches, and EPT elements. Considering that the establishment in 1995, we effectively remodeled from OEM company for several worldwide brands to EPT our possess brand name SOV, and our manufacturing unit has been authorized by CE, ISO9001:2008 consecutively.Our buyers inclEPTTmany large EPTT EPTT organizations, these kinds of as EPTT EPT, EPTT, EPTTpec, EPTT State Grid, EPTTngnan Shipyards, Sany Group, EPTT Railway EPTT EPTT. Our synchronous PLC EPT program had performed a fantastic role in the EPTT substantial-pace railway constructions. In 2011, our product sales revenue reached 30 million USD, creating us a single of the leaders in the EPTT EPT cylinders market eEPTTly in the added-high EPT cylinders for EPTT region and building field.

Our merchandise incEPTT:EPT cylinders, jacks (five-1000ton)EPT/ electric /pneumatic torque wrench (100-72000Nm)EPT bolt tensioner (a hundred-11486NM)EPT pullers (5-a hundred ton)Integrated EPT lifting program remediesEPT elements.

one. EPT good quality in aggressive pricetwo. Low minimun orEPTTquantitythree. Wide variety of goods for your reference4. Good customer support: buyer pleasure is our promary objective. Prompt, professional support supplied by passionate and client worldwide salespeople.5. OEM providers: customers Symbol engraving, EPT EPTT, and create the items according to customers design and style, and so forth.

we offer 1-stop solution for the acquire of mechanical energy transmission items in China. Meanwhile, our items are created in accordance to substantial quality expectations, and complying with the worldwide sophisticated standard standards.In this way, our products have continued to acquire market place acceptance and clients pleasure above the earlier few several years.

worm gears | mail:sales@

worm gears | mail:[email protected]

A pulley is a circular object, usually fabricated from heavy duty materials, which is used in numerous applications, the most common of which include applying forces or transmitting force, carrying things or guiding belts, chain, and ropes. The pulley wheel features an axle that is commonly installed to a frame or brace that allows the wheel to spin freely.

This reduces rubbing when a rope, chain, or belt runs around the pulley. The outer side of the pulley can be grooved to help guide the belts, ropes, chains or cables preventing them from sliding off the pulley during operation.The applications of a pulley wheel can differ significantly, and the size of the wheel will often vary based on the function for which it is being used.

A pulley wheel can be used in an automotive engine compartment to support the timing belt or the serpentine belt and the pulley may also be used to power peripheral equipment such as power steering machines and air conditioners. These pulleys will be fairly small.

WORM GEARProducer supplier exporter of worm gearWe warmly welcome prospects each in your house and abroad to contact us to negotiate company, exchange information and facts and cooperate with us.We specializing while in the manufacturing of Agricultural Gearbox, PTO...

Carbon Steel And Stainless Steel Conveyor Chain Hollow Pin ChainTransmission chain(Driving Chain), Conveyor Chain C roller chain, Engineering Chain, Stainless Steel Chain, Lifting Chain, Agricultural Chain, Forging Series, Cast Iron Chain. Hollow Pin Chains 08BP...

single row four level get in touch with ball slewing rings is composed of two seat rings, which style and design in compact construction and light bodyweight, steel ball get hold of with all the circular raceway at 4 points; it might bear the axial force, radial force...

single row four point get hold of ball slewing rings is composed of two seat rings, which layout in compact structure and light bodyweight, steel ball get hold of with the circular raceway at 4 points; it may possibly bear the axial force, radial force as well as...

Nylon gear racks is used on sliding gate, There is certainly steel core within it. we exported to Europe in massive quantity.There is steel core inside the nylon gear rack.You will find two products accessible. You will discover four eye(4 bracket is light variety)...

IN CNC GEAR Production PLANT, Over 10 OF GEARS Producing LINES:Gear turning,hobbing,shaving,shaping,grinding,slotting,broaching , we?ve created significant investment..Our large precision gear can preserve a large high-quality prodcuts.CAN DO All the HEATING Method:...

PTO is actually a splined drive shaft that is certainly frequently placed on tractors or might be employed to supply electrical power backup to a separate machine. The PTO shafts that we give comprises of two carden joints and telescopic couplings. Tractor side and...

Manufacturer supplier exporter of bush chainsWe specializing from the production of Agricultural Gearbox, PTO Shafts, Sprockets, Fluid Coupling, Worm Gear Reducers, Gears and racks, Roller Chains, Sheave and Pulleys, Planetary Gearboxes, Timing Pulleys, Shaft Collars...

Bush ChainsAs one of leading motor coupling companies, suppliers and exporters of mechanical merchandise, We supply bush chains and many other solutions.Producer supplier exporter of bush chainsWe specializing during the production of Agricultural Gearbox, PTO Shafts,...

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