Jaw crusher operation common major fault summarized as follows: (1) crusher idling, the lower metal crash occurs. When the jaw crusher work load, the lower metal crash may occur due to the following three aspects: ① mobile jaw and fixed jaw broken tooth plate colliding sound is too small because the port of discharge caused, should be timely adjusted. ② thrust plate supporting or shims percussion device appears, generally due to the buffer spring elastic rod disappears or damaged, or does not bear the weight of the spring caused by rotation of the movable jaw plate bracket when combined with the body of the three does not close, make bracket head and have a knock-supported at both ends, or adjust shims between the strike each other, the compression nut should be tightened until the crash disappeared. ③ There may be badly worn bearing slide bracket or loose brackets serious head wear, should be replaced. (2) work with metal percussion, backing jitter. This phenomenon is more due to the crushing chamber side lining and the tooth plate (dynamic, fixed) are loose, tighten loose screws or broken due to, should be tightened or replaced. (3) after the brackets break frequently. In addition to transfer power after the brackets outside still live on less than its strength from the insurance role. In addition to the strength of the middle bracket is too low, it is not strong enough to overcome the normal crushing ore crushing force generated by damage, this may be overextended rod spring, plus the work force to crush when it overload fracture, may be appropriate loosen the spring. (4) rotating flywheel, the crusher is not working. The reason is because of the spring rod and rod damage, making the trip lever nut bracket emerge from the crusher bearing slider, or it may be broken off bracket, you should replace the installation. (5) flywheel significant swing, eccentric shaft rotating slowly. The fault line belongs to the pulley and flywheel key loose or damaged, the wheel can not be synchronized with the axis of rotation. (6) of the crushed product size thicker, the result is the lower part of the broken liner serious wear and tear. Tooth plate should be exchanged or replaced under the new liner, adjust the port of discharge required size. Ball mill liners are often the cause of damaged equipment is often in front of the PEX series jaw crusher, ball mill and the corresponding classifier connected to do for the next process mill, through the crusher to a few seconds meters below the rock by a conveyor into a ball mill grinding a long time to process, but the liner in the process played a role in the protection of the cylinder, the ball is grinding to reports, other have nothing to roll crusher For details, see the following: First, the mill the impact of a ball mill grinding media often grinding of raw materials: all types of mining raw materials, various types of non-metallic minerals, and coal used in the power industry. Hardness index medium is an important reason decided liner wear failure, the higher the hardness of the ore crusher manufacturers, the shorter the life of the liner, on the contrary, it will increase the life cycle. Second, the impact of a job runs to avoid the defect is not repaired in time, for example, loose bolts fall, individual liner off, if not timely replacement of the case, the defect will gradually spread, causing other liners and cylinder a lot of damage. 2, feed unevenly, improperly adjusted, short positions appear to run state, resulting in direct friction ball and hit the cylinder and liner, the formation of two-body wear, this fragmentation of the liner and ball, wear substantial opportunity increase, caused great damage to the lining cone crusher is a very bad mode of operation. Third, the impact ball mill liner material according to the physical properties of the liner material, the main parameters affecting the wear effect of hardness and toughness of two indicators match the problem, the higher the hardness of the material, then wear the better, may to achieve a proportional relationship, so that the ball mill during operation, the ball falling like a waterfall, to produce a shock lining materials and power, size depends on the size of the impact energy, the size of the ball diameter and the diameter of the mill shell . Fourth, the mill design and manufacture and installation of technology impact liner has two roles, one to protect the cylinder, and the other is the specific speed of the ball raised to the required height, so the ball was falling like a waterfall, to achieve the desired milled effect. Hammer crusher | Shenyang North Mine Zhongcheng equipment Limited | Panjin crusher from Shenyang North Mine Zhongcheng machinery Limited. 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