Hammer crusher rotor bearing short-lived responses
Hongxing machine for hammer crusher found during customer visits, when some customers in the use of the equipment only its rotor bearing life than a month. How to take effective measures to prevent the maintenance of early failure of the rotor bearing manufacturers and users are issues of great concern for the crusher deep Hongxing crusher machine expert studies on this issue are summarized the following coping strategies:
Hongxing machine Interpretation: hammer crusher rotor bearing short-lived responses
1, choose a reasonable tolerance fit
Hongxing machine technician analysis found that the bearing inner ring and the journal selected tolerance fit with the Department incorrectly can cause damage to the rotor bearings. In order to guarantee at a higher temperature conditions remain essentially the bearing inner ring and the journal is too complex and will not appear loose, we recommend the journal and the inner ring with the choice of P6 or r6, the outer ring and bearing with the use of F8 or E8.
2. Strengthen it sealed and lubricated
Timely and proper lubrication can greatly reduce friction, inhibiting the bearing temperature rise. For rotor bearing the characteristics of high-speed heavy work, it should be used in compound calcium molybdenum disulfide grease lubricated bearings, in addition, each work 8h add grease once every three months for a oil and gasoline or kerosene to clean bearings and seals cover, timely replacement of worn bearing housing gap is too large labyrinth seal cover.
3, to improve the situation by force bearing
Between the bearing and the support frame added to improve the proper thickness of the rubber sheet bearing support flexibility, it can reduce the effect of impact loads on the bearing. Since the added rubber sheet, increased flexibility to absorb a part of the vibration energy and improve the situation by force bearing reached to extend the service life.
4, do a good job of balancing the rotor assembly
Manufacturers want to rotor balance test, meet the standard requirements. In order to avoid casting quality deviation after deviation and the installation of the rotor produce hammer rotor unbalance centrifugal force produced by the machine forced vibration, resulting in damage to the bearings and other parts. Therefore, the balance of the rotor assembly to do.
Hammer crusher is the use of high-speed rotation of the rotor body mechanical hammer to break the material, that the star machine, find the crux of the problem, targeted to solve the problem is very important. Solve the problem of short rotor bearing life has really solved a big trouble of users, enterprises no longer have to worry about the frequent replacement of the rotor bearings and other issues to worry about.
