hxjq : 
 jaw crusher,mobile jaw crusher,primary jaw crushers,primary crushers,jaw breaker

hxjq : jaw crusher,mobile jaw crusher,primary jaw crushers,primary crushers,jaw breaker

The jaw crusher is also called the jaw breaker, which fulfills crushing by imitating the moving of animals' jaw. It has been widely used in many fields, such as mining, metallurgy, building materials, highway, railway, water conservancy, chemistry and so on. It is able to crush all kinds of materials whose compressive strength is below 320 MPa.

The jaw crusher mainly consists of the rack, the bracing, the operating mechanism, the transmission mechanism (including eccentric connecting-rod, thrust rod, fly wheel and eccentric shaft), safety device, adjusting gear and so on.

2. It is more durable because of its more advanced high quality steel casting jaw and two steel casting flying wheels. In addition, the heavy eccentric shaft is processed by forging stock. All these make the JC series jaw crushers extraordinarily reliable.

6. It is more convenient to adjust the discharging mouth. The adjusting device of Europe version JC series discharging mouth is equipped with wedge block, while our devices are simpler and safer than the old-fashioned ones.

7. The bearing with large specification size is able to make the carrying capacity higher. All JC series crushers are equipped with more durable eccentric shaft bearings than similar products in the market. Its high bearing capacity and effective labyrinth seal greatly prolong its service life.

This series of crushers has a fixed jaw and a movable jaw, with the former fixed in front of the rack and the latter hanging on the mandrel. When the eccentric shaft rotates, the connecting rod moves from top to bottom, which makes the two thrust plates move repeatedly. With the pushing of the thrust plates, the movable jaw hanging on the mandrel can move from side to side. When the movable jaw sways to the fixed jaw, the materials falling to the cavity will be crushed by the squeezing of the boards. When the movable jaw leaves the fixed jaw, the crushed materials will be discharged from the discharge port under the cavity due to gravity. Thus, the working of Mobile Jaw Crushers is intermittent with the processing of crushing alternating with that of discharging. Furthermore, since the movable jaw moves around the mandrel while it is working, the crushing ratio has always been 3 to 6. Due to its simple movement, this type of Jaw Crusher is also called simple swing type jaw crusher.

Model Feed opening (mm Max.feeding size (mm) Adjusting range of discharge opening (mm) Processing capacity (t/h) Rotation speed of eccentric shaft (r/min) Motor power (kw) Total weight (t) Dimensions LWH (mm) PE-150250 150250 125 10-40 1-3 250 4P 5.5 0.8 720660850 PE-200300 200300 180 15-50 2-6 260 4P 7.5 1.2 910750990 PE-200350 200350 180 18-70 3-10 260 4P 11 1.5 1000870990 PE-250400 250400 210 20-60 5-21 300 6P 15 2.8 130010901270 PE-400600 400600 340 40-100 16-64 275 6P 30 7 173017301630 PE-500750 500750 425 50-100 40-110 275 6P 55 12 198020801870 PE-600750 600750 500 150-200 80-240 275 6P 55 15.8 207020001920 PE-600900 600900 500 65-160 50-160 250 6P 55 17 219022062300 PE-7501060 7501060 630 80-140 110-320 250 8P 110 29 266024302800 PE-8001060 8001060 640 130-190 130-330 250 8P 110 29.8 271024302800 PE-8301060 8301060 650 160-220 150-336 250 8P 110 30.7 274024302800 PE-8701060 8701060 660 200-260 190-336 250 8P 110 31.5 281024302800 PE-9001060 9001060 685 230-290 230-390 250 8P 110 33 287024202940 PE-9001200 9001200 750 95-165 220-380 200 8P 110 52 338028703330 PE-10001200 10001200 850 195-265 315-500 200 8P 110 55 348028763330 PE-12001500 12001500 1020 150-350 400-800 180 6P 160-220 100.9 420033003500 PE-15001800 15001800 1200 220-350 500-1000 180 8P 280-355 139 516036604248 PEX-150750 150750 120 18-48 8-25 320 4P 15 3.8 120015301060 PEX-250750 250750 210 25-60 13-35 330 6P 22 5.5 138017501540 PEX-2501000 2501000 210 25-60 16-52 330 6P 30 7 156019501390 PEX-2501200 2501200 210 25-60 20-61 330 6P 37 9.7 214016601500 PEX-3001300 3001300 250 20-90 16-105 300 6P 55 15.6 272019501600

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jaw crusher - mineral processing

jaw crusher - mineral processing

For more than a century, the jaw crusher has been the main crusher in the mining and quarrying industry, and to a large extent, this situation will continue.Jaw crusher is a robust size reduction equipment designed to reduce large solid materials into smaller particles, widely used in the quarrying, metallurgical and allied industries. Jaw crusher is one of the most commonly used primary crushers in the ore processing plant, with the capacity range of 1-1000tph. There are two types of feeding opening design, rectangular and square shape.The primary jaw crusher is usually designed with a square opening, while the secondary jaw crusher is designed with a rectangular opening. However, not all jaw crushers conform to this general rule.

The jaw crusher is composed of two jaws, one is fixed firmly with the crusher frame, and the another is being mount by a pitman mechanism. The moving jaw moves backwards and forwards quickly between a small throw to crush the ore.As the moment of jaw plate is small, the crushing can be done in one stroke. Considering the high wearing rate caused by the load action on the plate, two plates are generally made of high wear resistant material like manganese steel. A heavy flywheel can provide a required inertia, a smooth reciprocating action of the moving jaws and help crush the hard material.

The jaw crusher typically crush material by using compression. The ROM is fed between two solid pieces of metal, one of which (moving jaw) move towards the rock, and causes compression. The rock is crushed because its breaking point is lower than the opposing metal piece.The jaw crusher is a typical compression crusher, it crushes the feed by moving plate toward the fixed plate. Due to the applied great pressure and shear force, the strain exceeds the elastic limit of the raw material, and the material will break. Load acts on the plate the wearing rate is high hence the jaw crusher is rugged in design and equipped with replaceable high tensile wear resistant manganese or other alloy steel sheet.

Main parts bowl liner eccentric shaft mantle The jaw dies are easy to wear and must be replaced regularly. The jaw crusher is equipped with a hydraulic regulating system to adjust the closed side setting and thus affect the product particle size distribution.

1. Base FrameThe frame of the jaw crusher is divided into two types: welding type and assembly type. The small and medium jaw crushers are generally welded, and the large capacity crushers are generally assembled.The welding type adopts the welding method of large arc transition fillet and low stress area, which greatly reduces the stress concentration, ensures the equal strength of the rack in all directions, and has the characteristics of impact resistance, uniform force, and low failure rate.The assembly type adopts a modular, welding-free frame structure design with high strength and reliability. At the same time, the assembly design of the whole machine is more convenient for transportation and installation. It is especially suitable for installation in small and difficult transportation places such as underground mines and high-altitude mines.2. Toggle plateThe brackets are welded parts that have been accurately calculated. It is not only a transmission component, but also a safety part of the crusher. When the unbreakable material falls into the crusher and the machine exceeds the normal load, the toggle plate will break immediately and the crusher will stop working to avoid damage to the entire machine. The toggle plate and toggle pad use rolling contact method, under normal use, there is little friction, just apply a layer of grease on the contact surface.3. Adjustment systemThe adjusting part is a mechanism for adjusting the size of the discharge port and compensating the wear between the jaw plate, the toggle plate and the toggle pad.The assembly process of the adjustment components: the toggle pad is fixed to the adjustment seat by angle steel and bolts, and the adjustment gasket is placed between the adjustment seat and the lower frame.

Advanced crushing process, energy saving and high efficiency The compound pendulum jaw crusher adopts the most advanced crushing technology and uses advanced digital component processing equipment to make the internal structure precise. There is no dead zone in deep cavity crushing, and the material will not block in the crushing cavity, which improves the production efficiency. The energy saving of a single machine is 15% to 30%, and the energy saving of the system is more than doubled.

Flexible and versatile, with a wide range of applications The wide adjustment range of the discharge port increases the flexibility of the equipment and can meet various processing needs of users. Moreover, the equipment has a reasonable structure and a small footprint, which can play the largest role in a limited space. Therefore, it is widely used in various crushing processes in many industries.

The structure is simple and easy to operate, and the maintenance is convenient and fast After reasonable design, while improving the performance of the machine, the overall structure of the equipment is simple and efficient, and the crushing ability is enhanced. The whole equipment is easy to operate during use, which makes daily maintenance work more convenient and quick, and reduces downtime and maintenance time. Among various crushing equipment, jaw crusher is widely used. The advantages of jaw crusher are simple design, high reliability, small overall size and weight, and easy maintenance and repair.

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