working principle of stone crusher

working principle of stone crusher

Hammer crusher works on the principle that basically depends on the usage of installed chassis and high-speed kinetic hammer. The spindle of the stone crusher is composed of a hammer shelf, a hammerhead that is hanging on the shelf, and a sieve equipped on the lower half of the machine. Spindle, disk (shelf), and hammer, pin form a rotating body called rotor. The motor drives the rotor rotating at high speed in the crushing cavity, and the materials from the upper mouth feed into the machine, thus totally crushed by the high velocity of the hammer blow after impacting, shearing and grinding. A sieve is set below the rotor, particle bigger than the mesh size is kept staying on the surface be crushed the grained again. Once the size is small enough to across the sieves meshes, the granules can be expelled. The type of stone crusher can be divided in many ways as follows:

The working principle of a stone crusher has a lot to do with its structure and characteristics. Stone crushers construction specifications include casing, rotor, sieve, the feed board, back plate, gear and other parts. We now briefly illustrate some of these parts.

1.The casing part consists of the feed port blocking plate, lower box, upper box and side walls. Each part is connected by bolts, all laced with manganese steel casing wall linings, under cabinet, side walls and the rear cover with a welded steel plate on both sides of the bearing to support the rotor in order to place a steel plate welded into bearing support. For the facilitate maintenance, adjustment and replacement purpose, the front and rear sides of the lower housing have opened manholes.

3.Sieve and other parts are consists of hammerhead screw connected to the box with high manganese steel liner. The back plate can be replaced after worn out, which makes the maintaining process more convenient.

4.Safety devices are designed in order to prevent metal objects from the crushing accidents. Rock crusher generally has safety devices. The spindle is equipped with safety copper sleeve, which is connected with a safety pin.

Important Inspection of Hammer Crusher How to Solve the Problem of Crusher Blocking up? Manufactured Sand and Sand Washer The Tips for Buying Stone Crusher How to Maintain Sand Washer Properly? Some Professional Tips for Repairing Stone Crusher

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factors influencing rock crusher working efficiency

factors influencing rock crusher working efficiency

Some of the most important fields in China are the cement industry, paving, mine and so on. Stone crusher now is with good prospects: Construction of cement roads and other infrastructure will inevitably pull crusher industry growth; crusher update is only a matter of time; the large-scale development of China's western region is raising a large demand for rock crusher. The continual expanding of domestic demands, increasing paces of infrastructural construction have been driving the rapid development of crusher industry. Because it is the source of all raw materials, lets imagine the productivity without rock crusher!

Now lets do a simple description from the following 8 points: 1. The hardness of materials. The harder the materials are, the more difficult are to crush up, but also more serious wearing the rock crusher equipment. The broken rate is low, of course, crushing capacity will be low, too.

2. The material humidity. When the material containing large amount of moisture, materials are easy to attach to the rock crusher, and is easy to stem the transporting pine, then decrease crushing capacity.

6. The temperature on the rock crusher. When working, various parts of the machine are in their respective normal temperature ranges. When crushers are in crushing process, be sure to prevent overload operation in cold, and ensure the normal operation in low preheating stage.

So the machine reaches the specified temperature and works in normally. Dont ignore the problem because it hasnt show the importance; the second, prevent mechanical operation at high temperature. Founding out problem, immediately stop the machine and check, then exclude the problem. In daily works, pay more attention to check the operation status of cooling system. For the water-cooled machine, check and add cool water daily; for air-cooled machine, clean the dust air cooling system regularly.

7. The corrosion: Metal surface can have reaction with the surrounding chemical or electrochemical what is called corrosion. This will not only affect the normal work of the outside part of mechanical equipment, but also destroy the internal machinery parts. For this kind of destruction is invisible in most of time, its easy to be ignored. So the greater t harm it can do. In usage, the managing and operation personnel should take effective measures according to the local weather conditions, air pollution to reduce the impact of chemical corrosion. The focus is preventing chemical composition of rainwater and air.

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how does a jaw crusher work

how does a jaw crusher work

The crushing type of this sequence jaw crusher is driven-squeezing design. Its functioning theory is: engine drives belt and belt pulley, can make relocating jaw up and right down via eccentric shaft. When the relocating jaw is up, the angle in between lining plate and relocating jaw gets big, and this will push relocating jaw plate near to the repaired jaw plate. Throughout this procedure, the substance is crushed, so the crushing will be accomplished. When the relocating jaw is right down, the angle in between lining plate and relocating jaw gets little, the relocating jaw plate will move the repaired jaw plate because of the impact of pulling bar and spring, and then the crushed substance will be discharged from the opening of the crushing space in a lower position.

Small jaw crusher is a crusher idea, which is opposite to big scale crushing tool. While identical characteristics which include lower vitality intake, uncomplicated upkeep , restoration, installation and transporting and so on, little jaw crusher is broadly utilized in little rocks crushing, little quarry procedure , little stone breaking phases. Small jaw crusher created by zenith, has undoubtedly turn out to be the most favored jaw crusher in the globe. These days, our jaw crusher of European design is explored on the bottom of the conventional jaw crusher. Adopting the most innovative global crushing engineering and production procedure, it is the greatest selection to effectively crush difficult and substantially corrosive substances at a lower price.

The adjustment of discharging port is fast and lightweight; it can encounter the wants of diverse crushing procedure without having adding or subtracting shims, only via mechanized adjustments. The uncomplicated-to-set up modular design and style guarantees the jaw crusher set-up straightforward and handy. Integral set up of motor and crusher saves set-up room, producing it is feasible to set-up crusher in any sturdy ailments. Precisely healthy design and style permits increased crushing rate without having bolts, producing set-up- straightforward. In add-on, the equilibrium design and style minimizes the force of the v-belt and bracket, minimizing set-up charges. The delicate equilibrium design and style and discharge opening design and style be sure the greatest economic climate and lower operating charges, whilst a wider choice additional enhance the crushing performance, the choices consist of: pulley, flywheel security include, remote manage hydraulic adjustment program. Working principle of jaw crusher will be given below:

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what is the use and working principle of jaw crusher?

what is the use and working principle of jaw crusher?

The structure of jaw crusher is relatively more simple as compared with other types of stone crusher. And it is useful to crusher all sizes and all kind of materials. With the excellent performance, it is important for construction and mining industry. Apart from cooperating with other crushers, jaw crusher could be run alone to serve for the projects which are not in need of high quality materials. While being applied for different purpose, jaw crushers are designed with various structures. Are you interested in the working principle of jaw crusher?

The working principle of jaw crusher is very simple. The whole crushing process rely on the relative motion of the two jaw plates. One of the jaw plates stay still while the other move against it. And with the movement, the materials between the two plates would be crushed into small elements. While the plates move against each other, the materials would be crushed and while plates move away from each other, the broken materials which are smaller enough would drop through the discharging opening. And due to the simple structure, jaw crusher is easy to maintain and repair. These features promote its popularity to a great extant.

Even the jaw crusher is made from selected materials, the wear is inevitable. The operators should be aware of how to inspect the worn parts and how to replace them. When it comes to the purchase of parts of jaw crusher, your loca retail stores would be able to meet your requirements since the crusher is so popular. The operation is not so difficult, even though the jaw crusher seems to be heavy and ponderous. While being operated by qualified operators, the movement of jaw crusher seems to be flexible and convenient.

The working principle of jaw crusher would help you to understand the machine much better, and the way to maintain the machine would help you to enjoy the benefit of the machine for more time. We have offered the proper maintenance methods on our website. No matter which type of crusher you need to maintain, you could click: http://www.sanmechina.com

Mobile Stone Crusher Is Preferred for Its Advantages What Can You Benefit From the Use of Cone Crusher? The Applications of Impact Crusher Are Based on Its Features A Brief Information About Jaw Crusher Something About Cone Crusher You Should Know

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jaw crusher working principle

jaw crusher working principle

A sectional view of the single-toggle type of jaw crusher is shown below.In one respect, the working principle and application of this machine are similar to all types of rock crushers, the movable jaw has its maximum movement at the top of the crushing chamber, and minimum movement at the discharge point. The motion is, however, a more complex one than the Dodge motion, being the resultant of the circular motion of the eccentric shaft at the top of the swing jaw. combined with the rocking action of the inclined toggle plate at the bottom of this jaw. The motion at the receiving opening is elliptical; at the discharge opening, it is a thin crescent, whose chord is inclined upwardly toward the stationary jaw. Thus, at all points in the crushing chamber, the motion has both, vertical and horizontal, components.

It will be noted that the motion is a rocking one. When the swing jaw is rising, it is opening, at the top, during the first half of the stroke, and closing during the second half, whereas the bottom of the jaw is closing during the entire up-stroke. A reversal of this motion occurs during the downstroke of the eccentric.

The horizontal component of motion (throw) at the discharge point of the single-toggle jaw crusher is greater than the throw of the Dodge crusher at that point; in fact, it is about three-fourths that of Blake machines of similar short-side receiving-opening dimensions. The combination of favorable crushing angle, and nonchoking jaw plates, used in this machine, promotes a much freer action through the choke zone than that in the Dodge crusher. Capacities compare very favorably with comparable sizes of the Blake machine with non-choking plates, and permissible discharge settings are finer. A table of ratings is given.

The single-toggle type jaw crusher has been developed extensively. Because of its simplicity, lightweight, moderate cost, and good capacity, it has found quite a wide field of application in portable crushing rigs. It also fits into the small, single-stage mining operation much better than the slower Dodge type. Some years since this type was developed with very wide openings for reduction crushing applications, but it was not able to seriously challenge the gyratory in this field, especially when the high-speed modern versions of the latter type were introduced.

Due to the pronounced vertical components of motion in the single-toggle machine, it is obvious that a wiping action takes place during the closing strokes; either, the swing jaw must slip on the material, or the material must slip along the stationary jaw. It is inevitable that such action should result in accelerated wear of the jaw plates; consequently, the single-toggle crusher is not an economical machine for reducing highly abrasive, or very hard, tough rock. Moreover, the large motion at the receiving opening greatly accentuates shocks incidental to handling the latter class of material, and the full impact of these shocks must be absorbed by the bearings in the top of the swing jaw.

The single-toggle machine, like the Dodge type, is capable of making a high ratio-of-reduction, a faculty which enables it to perform a single-stage reduction of hand-loaded, mine run ore to a suitable ball mill, or rod mill, feed.

Within the limits of its capacity, and size of receiving openings, it is admirably suited for such operations. Small gravel plant operations are also suited to this type of crusher, although it should not be used where the gravel deposit contains extremely hard boulders. The crusher is easy to adjust, and, in common with most machines of the jaw type, is a simple crusher to maintain.

As rock particles are compressed between the inclined faces of the mantle and concaves there is a tendency for them to slip upward. Slippage occurs in all crushers, even in ideal conditions. Only the particles weight and the friction between it and the crusher surfaces counteract this tendency. In particular, very hard rock tends to slip upward rather than break. Choke feeding this kind of material can overload the motor, leaving no option but to regulate the feed. Smaller particles, which weigh less, and harder particles, which are more resistant to breakage, will tend to slip more. Anything that reduces friction, such as spray water or feed moisture, will promote slippage.

Leading is a technique for measuring the gap between fixed and moveable jaws. The procedure is performed while the crusher is running empty. A lead plug is lowered on a lanyard to the choke point, then removed and measured to find out how much thickness remains after the crusher has compressed it. This measures the closed side setting. The open side setting is equal to this measurement plus the throw of the mantle. The minimum safe closed side setting depends on:

Blake (Double Toggle) Originally the standard jaw crusher used for primary and secondary crushing of hard, tough abrasive rocks. Also for sticky feeds. Relatively coarse slabby product, with minimum fines.

Overhead Pivot (Double Toggle) Similar applications to Blake. Overhead pivot; reduces rubbing on crusher faces, reduces choking, allows higher speeds and therefore higher capacities. Energy efficiency higher because jaw and charge not lifted during cycle.

Overhead Eccentric (Single Toggle) Originally restricted to sampler sizes by structural limitations. Now in the same size of Blake which it has tended to supersede, because overhead eccentric encourages feed and discharge, allowing higher speeds and capacity, but with higher wear and more attrition breakage and slightly lower energy efficiency. In addition as compared to an equivalent double toggle, they are cheaper and take up less floor space.

Since the jaw crusher was pioneered by Eli Whitney Blake in the 2nd quarter of the 1800s, many have twisted the Patent and come up with other types of jaw crushers in hopes of crushing rocks and stones more effectively. Those other types of jaw crusher inventors having given birth to 3 groups:

Heavy-duty crushing applications of hard-to-break, high Work Index rocks do prefer double-toggle jaw crushers as they are heavier in fabrication. A double-toggle jaw crusher outweighs the single-toggle by a factor of 2X and well as costs more in capital for the same duty. To perform its trade-off evaluation, the engineering and design firm will analyze technical factors such as:

1. Proper selection of the jaws. 2. Proper feed gradation. 3. Controlled feed rate. 4. Sufficient feeder capacity and width. 5. Adequate crusher discharge area. 6. Discharge conveyor sized to convey maximum crusher capacity.

Although the image below is of a single-toggle, it illustrates the shims used to make minor setting changes are made to the crusher by adding or removing them in the small space between the crushers mainframe and the rea toggle block.

The jaw crusher discharge opening is the distance from the valley between corrugations on one jaw to the top of the mating corrugation on the other jaw. The crusher discharge opening governs the size of finished material produced by the crusher.

Crusher must be adjusted when empty and stopped. Never close crusher discharge opening to less than minimum opening. Closing crusher opening to less than recommended will reduce the capacity of crusher and cause premature failure of shaft and bearing assembly.

To compensate for wear on toggle plate, toggle seat, pitman toggle seat, and jaws additional shims must be inserted to maintain the same crusher opening. The setting adjustment system is designed to compensate for jaw plate wear and to change the CSS (closed side setting) of the jaw crusher. The setting adjustment system is built into the back frame end.

Here also the toggle is kept in place by a compression spring. Large CSS adjustments are made to the jaw crusher by modifying the length of the toggle. Again, shims allow for minor gap adjustments as they are inserted between the mainframe and the toggle block.

is done considering the maximum rock-lump or large stone expected to be crushed and also includes the TPH tonnage rate needing to be crushed. In sizing, we not that jaw crushers will only have around 75% availability and extra sizing should permit this downtime.

As a rule, the maximum stone-lump dimension need not exceed 80% of the jaw crushers gape. For intense, a 59 x 79 machine should not see rocks larger than 80 x 59/100 = 47 or 1.2 meters across. Miners being miners, it is a certainty during day-to-day operation, the crusher will see oversized ore but is should be fine and pass-thru if no bridging takes place.

It will be seen that the pitman (226) is suspended from an eccentric on the flywheel shaft and consequently moves up and down as the latter revolves, forcing the toggle plates outwards at each revolution. The seating (234) of the rear toggle plate (239) is fixed to the crusher frame; the bottom of the swing jaw (214) is therefore pushed forward each time the pitman rises, a tension rod (245) fitted with a spring (247) being used to bring it back as the pitman falls. Thus at each revolution of the flywheel the movable jaw crushes any lump of ore once against the stationary jaw (212) allowing it to fall as it swings back on the return half-stroke until eventually the pieces have been broken small enough to drop out. It follows that the size to which the ore is crushed.

The jaw crusher is not so efficient a machine as the gyratory crusher described in the next paragraph, the chief reason for this being that its crushing action is confined to the forward stroke of the jaw only, whereas the gyratory crusher does useful work during the whole of its revolution. In addition, the jaw crusher cannot be choke-fed, as can the other machine, with the result that it is difficult to keep it working at its full capacity that is, at maximum efficiency.

Tables 5 and 6 give particulars of different sizes of jaw crushers. The capacity figures are based on ore weighing 100 lb. per cubic foot; for a heavier ore, the figures should be increased in direct proportion to its weight in pounds per cubic foot.

The JAW crusher and the GYRATORY crusher have similarities that put them into the same class of crusher. They both have the same crushing speed, 100 to 200 R.P.M. They both break the ore by compression force. And lastly, they both are able to crush the same size of ore.

In spite of their similarities, each crusher design has its own limitations and advantages that differ from the other one. A Gyratory crusher can be fed from two sides and is able to handle ore that tends to slab. Its design allows a higher-speed motor with a higher reduction ratio between the motor and the crushing surface. This means a dollar saving in energy costs.

A Jaw crusher on the other hand requires an Ely wheel to store energy. The box frame construction of this type of crusher also allows it to handle tougher ore. This design restricts the feeding of the crusher to one side only.

The ore enters from the top and the swing jaw squeezes it against the stationary jaw until it breaks. The broken ore then falls through the crusher to be taken away by a conveyor that is under the crusher.Although the jaws do the work, the real heart of this crusher is the TOGGLE PLATES, the PITMAN, and the PLY WHEEL.

These jaw crushers are ideal forsmall properties and they are of the high capacity forced feed design.On this first Forced Feed Jaw Crusher, the mainframe and bumper are cast of special alloy iron and the initial cost is low. The frame is ribbed both vertically and horizontally to give maximum strength with minimum weight. The bumper is ruggedly constructed to withstand tremendous shock loads. Steel bumper can be furnished if desired. The side bearings are bronze; the bumper bearings are of the antifriction type.

This bearing arrangement adds both strength and ease of movement. The jaw plates and cheek plates are reversible and are of the best-grade manganese steel. The jaw opening is controlled by the position of an adjustable wedge block. The crusher is usually driven by a V-to-V belt drive, but it can be arranged for either V-to-flat or fiat belt drive. The 8x10 size utilizes a split frame and maybe packed for muleback transportation. Cast steel frames can be furnished to obtain maximum durability.

This second type of forced feed rock crusher is similar in design to the Type H listed above except for having a frame and bumper made of cast steel. This steel construction makes the unit lighter per unit of size and adds considerable strength. The bearings are all of the special design; they are bronze and will stand continuous service without any danger of failure. The jaw and cheek plates are manganese steel; and are completely reversible, thus adding to their wearing life. The jaw opening is controlled by the position of an adjustable wedge block. The crushers are usually driven by V-to-V but can be arranged for V-to-flat and belt drive. The 5x6 size and the 8x10 size can be made with sectionalized frame for muleback transportation. This crusher is ideal for strenuous conditions. Consider a multi jaw crusher.

Some jaw crushers are on-floor, some aboveground, and others underground. This in many countries, and crushing many kinds of ore. The Traylor Bulldog Jaw crusher has enjoyed world wide esteem as a hard-working, profit-producing, full-proof, and trouble-free breaker since the day of its introduction, nearly twenty years ago. To be modern and get the most out of your crushing dollars, youll need the Building breaker. Wed value the privilege of telling you why by letter, through our bulletins, or in person. Write us now today -for a Blake crusher with curved jaw plates that crush finer and step up production.

When a machine has such a reputation for excellence that buyers have confidence in its ability to justify its purchase, IT MUST BE GOOD! Take the Type G Traylor Jaw Crusher, for instance. The engineers and operators of many great mining companies know from satisfying experience that this machine delivers a full measure of service and yields extra profits. So they specify it in full confidence and the purchase is made without the usual reluctance to lay out good money for a new machine.

The success of the Type G Traylor Jaw Crusheris due to several characteristics. It is (1) STRONG almost to superfluity, being built of steel throughout; it is (2) FOOL-PROOF, being provided with our patented Safety Device which prevents breakage due to tramp iron or other causes of jamming; it is (3) ECONOMICAL to operate and maintain, being fitted with our well-known patented Bulldog Pitman and Toggle System, which saves power and wear by minimizing frictionpower that is employed to deliver increased production; it is (4) CONVENIENT to transport and erect in crowded or not easily accessible locations because it is sectionalized to meet highly restrictive conditions.

Whenever mining men need a crusher that is thoroughly reliable and big producer (which is of all time) they almost invariably think first of a Traylor Type G Jaw Crusher. By experience, they know that this machine has built into it the four essentials to satisfaction and profit- strength, foolproofness, economy, and convenience.

Maximum STRENGTH lies in the liberal design and the steel of which crushers parts are made-cast steel frame, Swing Jaw, Pitman Cap and Toggles, steel Shafts and Pitman rods and manganese steel Jaw Plates and Cheek Plates. FOOLPROOFNESS is provided by our patented and time-tested safety Device which prevents breakage due to packing or tramp iron. ECONOMY is assured by our well-known Bulldog Pitman and Toggle System, which saves power and wear by minimizing friction, the power that is used to deliver greater productivity. CONVENIENCE in transportation and erection in crowded or not easily accessible locations is planned for in advance by sectionalisation to meet any restrictive conditions.

Many of the worlds greatest mining companies have standardized upon the Traylor Type G Jaw Crusher. Most of them have reordered, some of them several times. What this crusher is doing for them in the way of earning extra dollars through increased production and lowered costs, it will do for you! Investigate it closely. The more closely you do, the better youll like it.

specifications kleemann reiner jaw brochure binq mining

specifications kleemann reiner jaw brochure binq mining

Jaw crusher spare parts is necessary for jaw crusher stably running. Faco, Finlay, Fintec, Hart'l, Hewitt Robins, HRI, Goodwin Barsby, Kemco, Kleeman Reiner, , Brochure Download Spare Parts Series; Jaw Crusher Spare Parts Specification; New Jaw Crusher Spare Parts; Jaw Crusher Spare Parts Company

Crusher spare parts include jaw crusher spare parts, impact crusher spare parts, cone Finlay, Fintec, Hart'l, Hewitt Robins, HRI, Goodwin Barsby, Kemco, Kleeman Reiner, , Brochure Download Parts Series; Crusher Spare Parts Specification; New Crusher Spare Parts; Crusher Spare Parts Company

SBM- Manufacturer of Stone Crusher, Jaw Crusher, Mobile Crusher, Ball Mill, and Fintec, Hart'l, Hewitt Robins, HRI, Goodwin Barsby, Kemco, Kleeman Reiner, , Brochure Download Series; Impact Crusher Spare Parts Specification; New Impact Crusher Spare Parts; Impact Crusher Spare Parts Company

SBM- Manufacturer of Stone Crusher, Jaw Crusher, Mobile Crusher, Ball Mill, and other Faco, Finlay, Fintec, Hart'l, Hewitt Robins, HRI, Goodwin Barsby, Kemco, Kleeman Reiner, Brochure Download Cone Crusher Spare Parts Series; Cone Crusher Spare Parts Specification; Cone Crusher Spare Parts Company

jxsc - hp - stone crusher- cone crusher - cone crusher by

jxsc - hp - stone crusher- cone crusher - cone crusher by

JXSC HP(Hydraulic Multi-cylinder) Series Cone Crusher is developed on the spring cone crusher. It has the hydraulic adjustment function and stronger elastic recovery function, and with the more comprehensive insurance measures. The types of cone crushers use advanced technology, numerical control operation. The useful life increased by 30%-50% because of the working principle of more grind less crush.

JXSC HP cone crusher has the invincible advantages in the 2nd, 3rd, 4th crushing stage for a wide range of applications including mineral processing, aggregate processing, quarry plant, etc. Bring revolutionary meaning for cone crusher development, because of its compatible function of all day working, automation, high crushing performance, low probability of choking.Popular HP series cone crushers have HP100, HP200, HP300, HP400, HP500, HP800, well-known cone crusher manufacturers: Nordberg, Metso, Sandvik.Only constant innovation can create greater success, and so can cone crushers. Nordberg cone crusher absorbs and develop the advantages of Symons crusher and Omnicone, and be proved that combines with the marketable performance like high capability, easy operation, low wear cost, long service life, and best product shape.HP cone crusher main parts are feed bowl hopper, adjusting ring, mainframe, gear, eccentric, hydraulic motor, countershaft, tramp release, etc.

Less downtime The hydraulic tramp release design enables the cone crushers minimizes the possibility of choking caused by the tramp iron, and the large clearing stroke further reduced the downtime thus increase the efficiency.

Long service life The high-performance sealing system prevents dust entry into inner frame unless worn, that means to have a protection of moving parts reduce the possibility of contacting the rock and dust, and prolong the service life of the wear parts( head ball, liner, countershaft, feed hopper, etc.)

Easy to operate The hydraulic motor setting system greatly reduced the operation difficulty by high automation performance, more accurate setting maximum the capability while optimal crushing circuit. Besides, the design of a data transducer enables the HP cone crusher connecting to the DCS control system for intelligent operation.

Versatility HP cone crusher combines with the advantages of the Symons. only need to change the bowl liner, mantle and other components can apply in different stages which from secondary to quaternary, from coarse to extremely fine.

When the multi-cylinder hydraulic cone crusher works, the motor drives the transmission shaft twirl by the belt pulley and the triangle belt. The transmission shaft drives the mantle rotates around the spindle through the big and small bevel gears. The eccentric sleeve drives the movable cone rotation. The movable cone and fixed cone sometimes near and sometimes far from the wall of the rolling mortar, the materials in the crushing cavity are constantly ground and crushed, then the crushed materials are discharged from the lower part.

When there is a non-crushed material(such as iron) in the crushing cavity, the hydraulic overload protection system with automatic reset. The upper frame lifts up, the iron and another un-crushable permit to pass. Then the system automatically returns the upper frame to its original position.

Multi-cylinder Hydraulic Cone Crusher is developed on the spring cone crusher, which adds a hydraulic safety system to protect overload. After you watch this video, the machine working principle is very clear.]JXSC Mine Machinery Factory who provide the crushing machine, sand plant equipment, and mining equipment.stone crusher: jaw crusher, cone crusher, impact crusher, mob crusher, hammer crusher, roll crusher.sand plant equipment: sand

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