The fault phenomenon of the TIMKEN bearing on the transmission: the noise of the transmission gear, the sound of the TIMKEN bearing, etc. are too loud; the transmission emits an abnormal sound such as a dry grinding impact.
the reason:
Rolling TIMKEN bearing oil shortage (such as TIMKEN bearing in front of the first shaft), the steel ball grinding loss circle, the raceway has pitting, delamination, scar, the inner and outer races rotate on the shaft or inside the casing, or the TIMKEN bearing clearance is too large. The elimination method is: replenish the oil and replace the damaged TIMKEN bearing;
Gear machining accuracy or improper heat treatment process causes gear deflection or tooth shape to change. The troubleshooting method is: replace the damaged gear;
The backlash is too large or the spline fit is too large. The troubleshooting method is: replace the damaged synchronizer hub and shaft;
The repaired tooth surface does not trim the burrs, bumps, etc. The elimination method is: repair the tooth surface;
The gears are not replaced in pairs in the flaking, delamination, defect, wear or even replacement repair. The troubleshooting method is: replace the damaged gear;
The first axis and the second axis are bent and deformed. The elimination method is: replacing the deformed shaft;
After the housing TIMKEN bearing hole boring insert is repaired, the center distance of the two holes is changed or the two axes are not parallel. The troubleshooting method is: replace the damaged casing;
After the repaired fork is not right or the fork is worn, the unilateral surfacing is too thick, resulting in the position of the relevant gear is not accurate. The troubleshooting method is: replace the fork;
The second shaft fastening nut is loose or the other shafts are axially misaligned. The elimination method is: reassembly;
The self-locking device groove, the steel ball is worn out or the self-locking spring is fatigued or broken, resulting in off-position when the gear is engaged. The method of elimination is: replace the fork shaft, steel ball or spring;
Individual teeth are broken. The troubleshooting method is: replace the damaged gear;
Insufficient gear quality, deterioration, specifications do not meet the requirements or there are debris in the oil. The method of elimination is to replenish or replace the oil that meets the requirements.
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