single toggle jaw crusher vs double toggle jaw crusher

single toggle jaw crusher vs double toggle jaw crusher

In the double toggle crusher the rotation of an eccentric shaft causes a vertical reciprocating motion of a component called a pitman that is translated by two toggles into swinging action of the moving jaw which is pivoted at its upper edge. The resultant action creates very powerful compressive forces by leverage in the upper zone of the crushing chamber and the almost total absence of abrasive motion (relative vertical motion between jaw plates). Therefore, this machine is most applicable to the crushing of very strong, abrasive rocks but is more complex, heavy and expensive than a single toggle crusher.

In the single toggle machine the moving jaw is actuated by an eccentric shaft which also acts as the pivot along the upper edge of the jaw. The resultant action includes relative vertical motion between the jaw plates which produces the advantage of greater throughput for less abrasive rocks. In both cases the jaws are protected by replaceable alloy (manganese steel) liner plates which may be smooth or corrugated to reduce the production of slab shaped particles. The jaw crusher is suitable for all hard rocks generally used for aggregate.

single toggle jaw crusher with unique benefits | hxjq

single toggle jaw crusher with unique benefits | hxjq

There are two kinds of jaw crushers, double toggle jaw crusher and single toggle jaw crusher. In the work of the former jaw crusher, the swing jaw only moveslikea simple arc, so it is also known as simple pendulum jaw crusher, the swing jaw of the latter one moves in an arc at the same time also moves up and down, so it is also known as complex pendulum jaw crusher.

Single toggle jaw crusher is widely used in many industries nowadays and fully replace the double one in actual use because of its advantages of simple structure and easy operation. It deals with all kinds of hard and soft ores and rocks by the extrusion and bending of the two jaw plates: the swing jaw and the fixed jaw. The ores after being crushed can be applied in mining, construction, hydraulic project, chemical industry, etc.

Double toggle jaw crusher is designed for the hardest stones and rocks, tough and abrasive materials, and ferrous metals. But the single one can crush less hard and medium-hardness ores, and deals with a variety of stones and rocks with compressive strength within 320 MPa.

The former crusher can process 5-500 tonsof materials per hour so it can't satisfy larger capacity requirements. While the latter one is suitable for processing 1-2000 tons per hour. Customers can adjust the range of capacity.

The feeding size of the former crusher is about 1,250 mm, and the maximal output size is 20 mm that is decided by the feeding material size. The latter crusher processes larger feeding materials with the maximal size of 1,600 mm. And the adjustment range of the discharging size is also wide from 10 mm to 350 mm.

The working principle ofsingle toggle jaw crusheris that the generator drives the eccentric shaft to rotate through the belt and pulley, and the swing jaw plate reciprocates periodically around the eccentric shaft to the fixed jaw plate, sometimes it is close to the fixed jaw and sometimes it leaves.

When the swing jaw plate is close to the fixed jaw plate, the ores between the two jaw plates are crushed, bent and split. And when the swing jaw plate leaves the fixed one, the crushed ore is discharged through the discharging opening under the action of gravity. Because of the complex trajectory of each point on the swing jaw, it is also called as the complex pendulum jaw crusher.

It works in much the same way as the double one, except that the movements of the swing jaw are different. The double toggle crusher crushes stones by compressing the feeding material between two huge jaw plates. Each point on the swing jaw is an arc line with the suspension axis as the center. Due to its simple movement track, it is called simple pendulum jaw crusher.

Its frame is cast in sections and then bolted together. The casting process is complex. It is mainly used to support the eccentric shaft and bear the impact force of materials, so it requires to be strong enough. The rack of the double one can be welded by a40-50 mm-thick steel plate, but the quality is not as good as cast steel.

The plates comprise a swing jaw plate and a fixed jaw plate. They are fixed on the surface of the jaw bed with wedge-shaped iron block and bolt to protect the jaw bed from abrasion. Usually they are manufactured with high strength and wear-resistant materials, like cast manganese steel jaw, themanganese content in cast steel is 12% - 14%. If the conditions are limited, cast iron can be used instead, but the jaw plate is easy to wear and break, thus the service life is short.

The single toggle type is stronger than the double one, but because of the characteristics of the movement track of the jaw plate, its bottom part is worn out faster than the top, so it is often made into a symmetrical shape, so that the jaw can be installed upside-down after wear, extending the service life.

The crusher with single toggle is a precisely calculated cast iron piece used to adjust the size of the discharge opening and to compensate for wear parts of the jaw plate, toggle plate and toggle plate cushion. The integral toggle plate is used because of its smaller weight and size.

The flywheel is usually made of cast iron or cast steel. It is used to store the energy of swing jaw, and then used for anindustrial formation to make the machine work more uniformly. The smaller crushers are always equipped with anintegral flywheel.

The regulating device adopts wedge type, which is composed of a front and a rear wedge blocks. The front wedge block can move back and forth to support the rear plate. The rear wedge is adjustable, which can move up and down. It moves up and down by the screw and the size of the discharging opening is adjusted. The inclined plane of the two wedge pieces is inverted to fit.

The crusher is light and simple in structure, so it is easy to install and be used in mobile equipment (compared with the double toggle crusher, it is short of some parts, including one connecting rod, one bracket, one spindle and a pair of bearings).

The up and down movement of the swing jaw can promote the discharge of materials, and the horizontal distance of its upper part is farther than that of its lower part, which is easy to crush large pieces of materials, so its crushing efficiency is higher than the double one with the same specification (20-30%), and the crushing ratio is larger (it is general 6-8).

This crusher is smaller in size. It is easy for operators to check and change the parts. General workers can deal with its maintenance. It is almost impossible to get clogging compared with the double toggle crusher.

Generally speaking, the vertical movement track of the crusher is large, and the grinding effect of stone on the jaw plate is severe. We adopt high manganese steel cast to manufacture the plates to strengthen its wear resistance.

In recent years, double toggle jaw crusher has been forgotten by customers all over the world. The majority of the manufacturers do not choose this crusher anymore. But fewer customers seems to choose it because of their lower budget. At the beginning of last year, Mr. Ramli from Indonesia consulted our company on the Internet, he wanted to process coal gangue with a crusher.

As we all know, coal gangue is a kind of black and gray rock with lower carbon content and harder than coal, associated with the coal seam in the process of the coal formation. The application range is very extensive, and the utilization rate is high. Its value will increase especially after processing by mining equipment. But it will produce a lot of dust when piled up in the open air.

He said that he was looking for a cheaper crusher that can produce less pollution. He checked the Internet before, and found that double toggle type crusher produced less dust, so he wanted to buy it.

However, we learned that the customer wanted to process 500 tons gangue per hour. After the customer service staff introduced the double toggle crusher to the customer online, they suggested him to use the single one. The technical manager made a phone call to him to explain the differences between these two type crushers in detail. Mr. Ramli said that he had checked the data, single toggle crusher could produce much dust with a higher cost, so it could not be used in his project.

We sent a detailed equipment diagram to the customer, telling him that the single one with a large crushing ratio and capacity is lighter and easier to install. Most importantly, we have redesigned and manufactured the single toggle crusher with new technology, and has been selected by many users.

Mr. Ramli still could not decide which crusher to choose. Therefore, we found a production site nearest to him. After the site investigation, he was satisfied with the single toggle crusher with large production capacity and less pollution, and finally, he decided to buy this crusher to process gangue.

We also sent technical engineers to his production site to help him install and operate. After learning, the workers of his company all said that single toggle jaw crusher was easy to operate. The customer was very satisfied with the on-site work of it.

Single toggle crusher and the double one have their own advantages and disadvantages in practical application. The latter one is cheaper, but it has gradually been withdrawn from the market due to its heavy weight, complicated structure and difficult maintenance. The former one is in great demand in the world now and is selected by many mining and quarrying factories.

And in recent years, with the expansion of the demand for environment-friendly equipment, crusher manufacturers are investing more innovative talents and high-tech to constantly transform and evolve single toggle crusher, striving to reduce energy consumption and pollution. Crusher users also pay more attention to the daily maintenance of equipment, they learn the maintenance methods for prolonging the service life to reduce the losses.

single toggle vs double toggle jaw crusher - jxsc machine

single toggle vs double toggle jaw crusher - jxsc machine

Crusher machines play an important role in the mines, metallurgy, building materials, quarrying, recycling, chemical and so on industries. According to the difference of structure and working principle, the rock crushers are mainly divided into jaw crusher, cone crusher, roller crusher, impact crusher, etc. The jaw crusher usually the primary crusher for in the crushing plant, to reduce the large ore lump to smaller particles for the next stages of fine crushing, grinding. The model selection of crusher is determined by the opening gap, moisture, capacity, and other factors. How to choose a jaw crusher? Get professional help from JXSC engineers. Types of jaw crusher

The main parts of the swing jaw crusher are stationary jaw die, movable jaw die, impellor, eccentric shaft, toggle plate. Single toggle jaw crusher with simple structure, high crushing ratio, is suited for crushing large hard rock. Besides, swing movement wont cause much abrasion on the movable die, thereby easy to maintain. But it is affected by tiny spaces and transport conditions especially in the remote area because of its large volume and heavyweight. There is a trend that a double toggle jaw rock crusher is gradually replacing the single toggle one.

The double toggle jaw crusher has two forms of working direction: one is a swing motion toward the fixed die plate, and the other is a vertical motion because of the rotation of the eccentric shaft. Through adjusting the movable die suspension and support mode, the processing capability, power consumption, liner wear, and moving stroke can be optimized. Double toggle crusher is smaller than a single toggle crusher, is widely used at home and abroad for its lesser price, simple structure and reliable operation.

This type is design firstly by experts of Germany, it also has two types as single toggle double cavity jaw crusher and double toggle double cavity jaw crusher. The eccentric shaft deployed in the lower part of the crusher and the movable part divides into two working surface, which is respectively composed of two independent crushing cavities with the fixed jaw die. With the rotation of the eccentric shaft, the left and right crushing cavity alternatively to do crushing work, that is, crushing and discharging processes are dont affected by the swing jaw. You may be interested in jaw crusher VS gyratory crusher, and the operation tips for jaw crusher.

jaw crusher toggle plates vs. hydraulic toggle relief systems - eagle crusher

jaw crusher toggle plates vs. hydraulic toggle relief systems - eagle crusher

The crushing market caters to a wide range of material processing industries, like aggregate, asphalt, and concrete and demolition recycling, that handle an even wider range of materials, including limestone, concrete, and gravel, among many others. Yet, all crusher...

As the summer months arrive in North America, operating portable crushing and screening plants on a job site outdoors can become more demanding as exposure to high temperatures introduce new safety hazards to team members. Dangers that are inherent to hot weather like...

From horizontal shaft impactors to jaw crushers, Eagle Crusher manufactures some of the toughest and most powerful crushing equipment on the market, empowering producers to conquer any size crushing project. Not only that, but Eagle Crushers team of engineers...

On a crushing job, every machine and piece of crushing equipment works together to contribute to the success of production. However, it is necessary to recognize that certain components of equipment like portable plants should require extra care to achieve that...

Striking the right balance between producing a quality aggregate product and maximizing operational efficiency is a familiar challenge on any crushing site. To achieve harmony, the right equipment needs to be set up and configured to account for any variables that...

Eagle Crusher Launches New Company Website Eagle Crusher is pleased to announce the launch of our new company website that is designed to better help users find the right crushing and screening products for their operations. An industry leader for more than 100 years,...

Portable crushing and screening plants are engineered with the safety of its operators and others in mind. Just as well, potential safety hazards like pinch points and finger injuries can be prevented on the job site by properly training team members and following...

The most effective crushing operations are often complemented by an appropriate configuration of screening plants and systems that can best sort and stockpile the material being processed as efficiently possible. Eagle Crusher manufactures a comprehensive range of...

In the crushing business, abrasive materials like aggregate, concrete, and asphalt can wear away at vital components across the production line. While these components are manufactured to withstand steady wear, they will require upkeep. As the entry point for the flow...

Portable plants and other crushing equipment can come in many shapes and sizes depending on the needs of a producer. Just as integral to a crushing operation as an impactor or jaw crusher are the screens being utilized to sort product. With so many options and...

Jaw crushers are immensely powerful machines, able to process and reduce aggregate and demolition material efficiently. Despite their powerful nature, they are not immune from damage and generally require a safety device called a toggle plate to protect them.

A toggle plate basically operates like a fuse. If any material enters a jaw crusher that cannot be crushed, whether due to its size or composition, the toggle plate is meant to break, relaxing the moving jaw open to allow for the uncrushable material to fall through or be removed manually.

Traditionally, jaw crusher toggle plates are made of metal machined or cast in a way that they are expected to fracture or bend at a certain pressure, indicating something too hard is in the crushing chamber.

However, for many jaw crusher owners and operators, spending time to remove broken toggle plates, spending money to replace them, and spending even more time to reinstall them incurs a substantial cost.

Instead of the toggle self-destructing when an uncrushable material enters the jaw crusher, a hydraulic relief system simply relies on its hydraulic technology to relax automatically, allowing the material to pass through or be removed, and then to reset.

The hydraulic toggle relief system was engineered to serve as a sustainable alternative to its consumable equivalent, eliminating the need to replace fractured toggles. However, traditional hydraulic toggle or relief systems require extremely high pressures in the system to achieve the necessary forces required to hold the jaw in place for crushing.

The Eagle Crusher hydraulic toggle relief system is available to be equipped onto any Eagle Crusher jaw crushers and will reduce unexpected downtime, decrease unnecessary replacement costs, and keep you up and running.

The unique, patent-pending system differentiates itself from other hydraulic systems as it utilizes much lower hydraulic pressures to hold the toggle in place, increasing durability and reducing risk of system failure.

The crushing market caters to a wide range of material processing industries, like aggregate, asphalt, and concrete and demolition recycling, that handle an even wider range of materials, including limestone, concrete, and gravel, among many others. Yet, all crusher...

As the summer months arrive in North America, operating portable crushing and screening plants on a job site outdoors can become more demanding as exposure to high temperatures introduce new safety hazards to team members. Dangers that are inherent to hot weather like...

From horizontal shaft impactors to jaw crushers, Eagle Crusher manufactures some of the toughest and most powerful crushing equipment on the market, empowering producers to conquer any size crushing project. Not only that, but Eagle Crushers team of engineers...

On a crushing job, every machine and piece of crushing equipment works together to contribute to the success of production. However, it is necessary to recognize that certain components of equipment like portable plants should require extra care to achieve that...

Striking the right balance between producing a quality aggregate product and maximizing operational efficiency is a familiar challenge on any crushing site. To achieve harmony, the right equipment needs to be set up and configured to account for any variables that...

Eagle Crusher Launches New Company Website Eagle Crusher is pleased to announce the launch of our new company website that is designed to better help users find the right crushing and screening products for their operations. An industry leader for more than 100 years,...

Portable crushing and screening plants are engineered with the safety of its operators and others in mind. Just as well, potential safety hazards like pinch points and finger injuries can be prevented on the job site by properly training team members and following...

The most effective crushing operations are often complemented by an appropriate configuration of screening plants and systems that can best sort and stockpile the material being processed as efficiently possible. Eagle Crusher manufactures a comprehensive range of...

In the crushing business, abrasive materials like aggregate, concrete, and asphalt can wear away at vital components across the production line. While these components are manufactured to withstand steady wear, they will require upkeep. As the entry point for the flow...

Portable plants and other crushing equipment can come in many shapes and sizes depending on the needs of a producer. Just as integral to a crushing operation as an impactor or jaw crusher are the screens being utilized to sort product. With so many options and...

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