When replace the jaw crusher wear parts

When replace the jaw crusher wear parts


1. The fixed lining board, movable jaw lining board and lining boards on both sides of the jaw crusher are the most easily to be worn out, and the severe wear will lead to the increase of product particle size.At the initial stage, the tooth plate can be used to turn the tooth plate, or the use of the upper and lower two heads.Jaw plate wear, mostly in the lower middle, when the tooth height wear off 3/5, then need to replace a new liner.When the lining plates on both sides wear out 2/5, they also need to be replaced.

2. If there is little wear on the shaft, simply to repair its geometry, turn the shaft on a lathe so that the journal reaches the correct geometry, and then reduce the bearing bore accordingly.However, after several such treatments, if the journal size is reduced by 5% from the original, no more turning is allowed and a new shaft should be replaced.

3. Determination of wear of bearing bush of jaw crusher: jaw crusher works under impact load, with babbit alloy lining on bearing bush. The working period is about 2 years,Over time, it needs to be re-cast.When the babbitt alloy on the bearing bush has deep peeling or large abrasion, it should be re-cast.There are the following requirements for the quality of the processed bearing bush: the surface color of babbitt alloy shall be uniform, matt and silver white;There should be no slag, crack, sand hole, shrinkage hole and shell ejecting in the surface layer of babbitt alloy.

4. Judgment of wear of jaw crusher eccentric shaft: if eccentric shaft and bearing bush, spindle and bearing bush are worn, and the top clearance is 1.5 times larger than the original assembly clearance, pad adjustment or replacement is required.

5. Judging the wear of the oil groove of the jaw crushing machine: if the oil groove wears 1.5mm, the oil groove should be reopened or adjusted.When the clearance between connecting rod head cover and eccentric shaft is more than 1.5 times of assembly clearance, it is necessary to add pad to adjust or replace it.

If you want to know more about our equipments details,please contact us
www.shuosencrusher.com
sarahzzdshj@gmail.com
sarah@shuosencrusher.com

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