Causes and troubleshooting of worm gear reducer

Fault type

cause of issue

Method of exclusion

Reducer overheating

Overloading 
Too little or too much lubricating oil 
Bad or inappropriate lubricating oil 
Excessive oil seal friction 
Improper connection between output shaft and transmission

Adjust to an appropriate load or choose a large model 
Add proper lubricating oil according to the instructions 
Add appropriate lubricating oil after the oil is drained 
Put a few drops of lubricating oil on the oil seal 
Adjust to proper position

Reducer noise

Worm gears and worms have poor meshing 
Bearing damage or excessive clearance 
Insufficient lubricating oil 
Foreign body intrusion

Trimming the tooth contact surface 
Replace the bearing 
Add appropriate amount of lubricating oil according to the instructions 
Remove foreign objects and replace the lubricating oil

Abnormal vibration

Poorly fixed transmission 
Worm gear worn or damaged 
Bearing wear or damage 
Loose bolts 
Foreign body intrusion

Fixed transmission 
Replace worm gear 
Replace the bearing 
Tighten the bolts 
Remove foreign objects and replace the lubricating oil

Oil spill

Oil seal damage 
Damaged gasket 
Too much oil 
Loose oil plug 
Damaged oil mark

Replace the oil seal 
Replace the gasket 
Add appropriate amount of lubricating oil 
Tighten the oil plug 
Replace the oil mark

The input or output axis does not rotate

Worm gear overheated 
Bearing damage 
Foreign body intrusion 
Excessive wear of worm gear and worm

Replace or repair 
Replace the bearing 
Remove foreign objects and replace the lubricating oil 
Replace worm gear or worm

Worm gear excessive wear

How does it work? 
Bad or inappropriate lubricating oil 
Insufficient lubricating oil 
Bearing wear 
Operating temperature is too high

Adjust to the appropriate negative 
Change the proper lubricating oil 
Add proper lubricating oil according to the instructions 
Replace the bearing 
Improve the ventilation environment