subject: Analysis The Sudden Crack Of Jaw Crusher Frame [print this page] 1.The casting fault or the welding fault 1.The casting fault or the welding fault
2.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 frame
3.The fixed jaw plate is not fastened. This causes it move up and down. It knocks the jaw plate lock block of the frame front wall
4.The hardness of feet of the main frame is weak, which causes the machine jump
5.The bolt on the bearing cover of the frame is flexible
6. 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 crusher
1.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.
