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What is jaw crusher?

The jaw crusher is the basic crushing equipment of the mine crushing production line. It coarsely crushes the rough stone extracted from the quarry. It is the stone that must be crushed into the production line. As an indispensable crushing equipment, it is also a crushing equipment. Popular among devices.

Jaw Crusher Construction And Working:

1. Frame: The frame is a four-wall rigid frame with upper and lower openings. It is used to support the eccentric shaft and bear the reaction force of the crushed materials. It requires sufficient strength and rigidity. It is generally cast with cast steel as a whole, and small machines can also be replaced by cast iron. Cast steel.
2. Jaw plate and side guard plate: Both the fixed jaw and the movable jaw are composed of a jaw bed and a jaw plate. The jaw plate is the working part and is fixed on the jaw bed with bolts and wedge irons.
3. Transmission parts: The eccentric shaft is the main shaft of the jaw crusher, which is subjected to huge bending and torsion forces and is made of high carbon steel. The eccentric part must be finished, heat-treated, and the bearing lining shall be cast with babbitt alloy. One end of the eccentric shaft is equipped with a belt wheel, and the other end is equipped with a flywheel.
4. Adjusting device: The adjusting device includes wedge type, backing plate type and hydraulic type, etc., generally wedge type, composed of two front and rear wedges. The front wedge can move back and forth to resist the rear push plate; the rear wedge is The adjustment wedge can be moved up and down. The inclined surfaces of the two wedges are inverted and fit together, and the rear wedge is moved up and down by the screw to adjust the size of the discharge port.
5. Flywheel: The flywheel of the jaw crusher is used to store the energy during the idle stroke of the moving jaw, and then used for industrial formation to make the mechanical work more uniform. The belt wheel also functions as a flywheel. The flywheel is often made of cast iron or Made of cast steel.
6. Lubrication device: The eccentric shaft bearing usually adopts centralized circulation lubrication. The supporting surface of the spindle and thrust plate is generally lubricated with grease through a manual grease gun.

How Does a Jaw Crusher Work?

As far as jaw crushers are concerned, although the structure types are different, their working principles are basically similar, except that the movement trajectory of the moving jaw is different. In a nutshell, when the movable jaws periodically reciprocate the fixed jaws around the suspension axis, sometimes approaching and sometimes leaving, when the movable jaws approach the fixed jaws, the ore between the two jaws , Crushed by the combined action of crushing, splitting and bending; when the movable jaw leaves the fixed jaw, the crushed ore is discharged through the discharge port of the crusher under the action of gravity.

jaw crusher

What Is Jaw Crusher Used For?

Jaw crusher is commonly known as jaw crusher, also known as Laohukou. The crushing chamber is composed of two jaw plates, a movable jaw and a static jaw, which simulates the movement of the animal's jaws to complete the material crushing operation. It is widely used in the crushing of various ores and bulk materials in mining and smelting, building materials, highways, railways, water conservancy and chemical industries. The highest compressive strength of the crushed material is 320Mpa.

Jaw Crusher Advantages:

1. Low noise and less dust.
2. The crushing ratio is large and the product size is uniform.
3. The structure is simple, the work is reliable, and the operating cost is low.
4. The lubrication system is safe and reliable, the parts are easy to replace, and the equipment is easy to maintain.
5. The crushing cavity is deep and there is no dead zone, which improves the feeding capacity and output.
6. Equipment energy saving: single machine energy saving 15%-30%, system energy saving more than doubled.
7. The adjustment range of the discharge opening is large, which can meet the requirements of different users.

The Development Prospect Of Jaw Crusher:

1. The jaw crusher uses the research results on the mechanical characteristics of material crushing to design a cavity curve suitable for the nature of the material to be crushed, and optimize the design in combination with the movement law of the equipment to make the cavity shape the optimal curve to improve Crushing effect and reducing energy consumption;
2. Due to the solution of the bearing and jaw life problems of the jaw crusher, the advantages of high efficiency, light weight and low price will be more prominent, which will make the simple pendulum jaw crusher give up a certain market Share
3. The application of jaw crusher's high-depth crushing cavity and smaller engagement angle will be more common. The dynamic engagement angle is adopted for mechanism design, and the improvement of the machine is bound to be able;
4. Jaw crusher promotes welding frame and new technology to reduce equipment cost;
5. Develop a new, high-efficiency moving jaw drive method to reduce drive energy consumption and improve energy utilization.

Jaw Crusher Price:

The price of jaw crusher is affected because of its size, model, brand, etc., so how do we choose a cost-effective jaw crusher equipment?
The choice of jaw crusher is actually not difficult. First of all, we must understand what kind of effect the jaw crusher should achieve in the crushing production line: 1. Meet the needs of the mine. 2. The equipment is durable. 3. Equipment maintenance guarantee. So what do these three points mean?
1. Meet the needs of mines
Reaching the mine demand can be divided into two points, operation demand and emission demand. The jaw crusher must meet the daily operation demand and ensure that the daily output of the production line meets the operation demand. Emission requirements require that the pollution generated by the crusher must meet the emission standards. In recent years, green environmental protection has been paid more and more attention. The development of crushing operations and the excavation of stones have an impact on the environment. The emission requirements are relatively strict. When choosing a jaw crusher, try to look for a low-consumption and green direction, which can save a lot of trouble.

2. The equipment is durable
The crushing production line in the mining industry is a long-term operation, and the jaw crusher must also have the characteristics of long-lasting durability. If you want to obtain greater benefits, the early investment in the equipment is very important. When choosing equipment, you can’t just look at the price. To understand the performance and durability of the equipment, the long-lasting and stable production line can be long-lasting.

3. Equipment maintenance guarantee
Before the equipment is purchased, experienced people will pay attention to the after-sales maintenance service of the jaw crusher equipment, because some problems may occur during the use of the equipment. If the equipment is not properly maintained, the probability of failure will increase. After-sales maintenance is to insure the equipment. There is no need to find someone to repair the equipment when it fails. Moreover, some equipment brands are different, and their structures and components are also different. The replacement of other parts will affect the performance of the equipment, so after-sales maintenance service It is a necessary guarantee for long-term production line operation equipment.

jaw crushers

The Choice Of Jaw Crusher Manufacturers:

• Choose a regular crusher manufacturer
When purchasing crusher equipment, users should choose a formal manufacturer as far as possible. The manufacturer must have a high degree of credibility. The crushing equipment produced can ensure stable performance, environmental protection must meet the production requirements, and the equipment production failure rate is low. CLIRIK crushers are well received by everyone. The reason is that CLIRIK thinks of customers when designing and manufacturing equipment, and feels the situation of the equipment from the customer's point of view, and puts the user's reflection in an important position, so that more excellent products can be manufactured.
• Crusher price positioning
The price of crusher is the most concerned topic for users to buy. The three main issues that users mainly consider are: the quality of equipment, the price of equipment, and the price of after-sales service crusher equipment are points that users should pay attention to when buying. Reasonable price can not only increase
Market competitiveness, and can attract users to buy. For customers, the cost performance of crushing equipment is very important, and customers generally agree with cost-effective crushing equipment.
• After-sales service of crusher manufacturer
After-sales service is an important guarantee for customers to use equipment, and good after-sales service can escort the user's subsequent production. Only a strong crusher manufacturer can have an independent service department, and after-sales service can better reflect the strength of the manufacturer. If the user’s equipment fails during use, the manufacturer shall arrange for professional maintenance in time to protect the user’s rights.
• Quality of crushing equipment
Quality is the soul of the crusher manufacturer and the internal driving force for the development of the crusher manufacturer. Only by strictly controlling the quality can high-quality equipment be produced, the service life of the equipment will be longer, the performance of the equipment will be better, and the quality will be better.

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