Fatigue damage easily occurs when the diameter of input shaft of reducer is smaller.

The reducer is in the form of vertical axle, the first input axle is bevel gear axle worm gear reducer, and fatigue damage occurs due to serious stress concentration at the shoulder of transition axle at the bearing support of bevel gear; the reducer is a hard tooth surface reducer, and the diameter of the input axle of the reducer is smaller, although the calculation strength is passed, because the axle itself is very thin. At the same time, the stress concentration is serious and fatigue failure occurs at the change of shaft diameter, and the heat treatment quality of the input shaft of worm gear reducer is not up to standard.

Attention should be paid to the daily maintenance of the reducer, not only use, not maintain, this is the big taboo of the reducer, how good the equipment, not maintain, his life should be reduced by at least one third. So the daily maintenance is particularly important. The daily maintenance of reducer includes: the use and replacement of lubricating oil, the inspection of the installation foundation, seals, transmission shafts and other normal, the maintenance of important parts such as shell debonding.

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