Some Common Faults Of Big Jaw Crusher Machine

By Author: zhaojing
Total Articles: 263
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Our company have been exported to tens of thousands of sets of jaw crusher for gravel, sand production line ,you can find the company"s trademark all over the world.Jaw Crusher is suitable for processing all kinds of coarse, medium and fine material(granite, limestone and concrete) that the side is not exceeding 500mm and the compressive strength less than 350 million mpa,it is widely used in water and electricity, expressway, manual ballast, crushing, etc. The possible reason for the sudden crack of frame of the big jaw crusher:1.The casting fault or the welding fault2.Using unqualified toggle and toggle seat, when the crusher is striked heavily, the self-breaking of the toggle doesn"t happen, which causes the crack of the frame3.The fixed jaw plate is not fastened. This causes it move up and down. It knocks the jaw platelock block of the frame front wall 4.The hardness of feet of the main frame is weak, which causes the machine jump5.The bolt on the bearing cover of the frame is flexible6. After the teeth on the jaw plates is worn, it is continous to use.7. ...
... The direction of the balance weight of the pulley and fly wheel is wrong caused by eccentric shaft, pin damage and the tension sleeve loose.The remedy of the sudden crack of frame of the big jaw crusher1.Avoid the casting fault and welding fault. If impossible, change the main frame.2. Amend or change the frame, then install the original toggle and toggle plate.3. Amend or change the frame, then to fix the bolt on the fix jaw plate.4. Amend or change the frame, then to fix the feet bolt on the frame, modify the level and strengthen the foundation.5. Amend or change the frame, then to fix the bolts on the bearing cover.6. Amend or change the frame, please change the jaw plate after it is worn.7. Amend or change the frame, then to change the pin or modify the eccentric block direction, and fix the tension sleeve. At the present, Fote Heavy Machinery has set up three state level machinery research institutes, and we also produce various kinds of portable mining equipment, crawler mobile crusher and free service for assembling various kinds of production line. ore crusher: http://www.china-ftm.com/pros/fluorite-crusher.html