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Which parts of the jaw crusher need maintenance

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Date: 2018-12-26


Jaw crusher is usually used as the key mechanical equipment for the coarse crushing operation of the ore. The jaw crusher is a very important processing equipment in the gravel production line. The jaw crusher has a very important significance in the gravel production line. At the same time, it is also a serious ore processing equipment in the sand and gravel production line. Shanghai Joyal Mining Machinery reminds the users to pay attention to the maintenance of the jaw crusher.

The maintenance point of the jaw crusher is the component of the jaw crusher. Joyal here and everyone talk about what the jaw crusher needs to focus on. The body is an important part of the jaw crusher. Users should pay attention to the phenomenon of air holes, shrinkage holes, slag inclusions and cracks on the cast iron surface of the jaw crusher. It should be repaired or replaced; the longitudinal level of the frame should not exceed 0.5mm. /m, the horizontal level should not exceed 0.15mm/m; the entire plane of the guard plates on both sides of the rack should not be more than 1.5mm, the nominal size of each hole should not exceed 0.5mm, and the guard plate and the side wall should be fixed firmly. There must be no looseness.

The moving jaw is the main processing part of the jaw crusher. Users should pay attention to the repair and repair of the flange of the fixed lining of the lower part of the movable jaw. The movable jaw should be kept at the same distance from both sides of the rack. The deviation should not exceed ±2mm; The supporting surface should be rough-processed, and the contact with the body should be good during assembly. There should be no hanging angle. If necessary, grind or use a grinding wheel to flatten it. It must be firmly contacted with the moving jaws, and there should be no looseness.

You must not forget the eccentric shaft of the jaw crusher. The user needs to check the eccentric shaft of the jaw crusher to ensure that there is no crack. The parallelism of the eccentric shaft to the fixed shaft is not more than 0.1mm/m, and the installation level is less than 0.1mm. /m.



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