Jaw crusher eccentric shaft bending reasons and solutions

Jaw crusher eccentric shaft bending reasons:

1. Lateral overturning occurs in the process of lifting the main machine, which makes the eccentric shaft bent by force on one side;

2. The hardness of the crushed material exceeds the provisions of the product instruction manual;

3. Jaw crusher host is overloaded for a long time;

4. The elbow plate is not in accordance with the standard, and the non-crushed material enters into the crushing cavity to play the role of self-breaking protection;

5. Improper heat treatment of eccentric shaft, stress concentration, resulting in short-term fracture.

Jaw crusher eccentric shaft bending solution:

1. Replace the new eccentric shaft and lift the main machine correctly;

2. Replace the new eccentric shaft and select the compatible crusher according to the compressive strength of the crushed material;

3. Replace the new eccentric shaft, correct the operating load or replace the compatible crusher;

4. Replace the eccentric shaft with a new one, and do not use the elbow plate and elbow plate pad that do not conform to the design standard;

5. Replace the new eccentric shaft and use heat-treated qualified eccentric shaft.

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