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What is the degree of wear of the jaw crusher, eccentric shaft and bearing bush of the jaw crusher?
Jaw Crusher is working under the impact load, Pap alloy lining, duration of work on the bush around for about two years, the deadline, you will need to re-cast.
If the eccentric shaft and the bearing bush, the mandrel and the bearing bush are worn, and the top clearance is greater than 1.5 times of the original assembly clearance, it needs to be adjusted or replaced; if the oil groove wears 1.5 mm, the oil groove should be re-opened and adjusted. The gap between the upper cover of the connecting rod head and the eccentric shaft, when worn to more than 1.5 times the assembly clearance, also needs to be adjusted or replaced with a new one.
When the Babbitt alloy on the bearing shell has a deep peeling or a large abrasion, it should be recast. For the quality of the bearing bush, the following requirements are required: the surface of the babbitt alloy should be uniform, dull, silvery white; the surface layer of the babbitt should not have ash, cracks, blisters, shrinkage holes, etc.