worm reducer| worm gearbox| speed reducer| worm gearboxes| speed reducers| worm reducers| ,Helical gear reducers, gear reducer,reducer,Variators,speed variators,Cyclo reducers

 
　
NMRV worm gear speed
reduction unit


worm reducer| worm gearbox| speed reducer| worm gearboxes| speed reducers| worm reducers| ,Helical gear reducers, gear reducer,reducer,Variators,speed variators,Cyclo reducers

1.Brief introduction 　
2.Structure & principle 　
3.Model & mark 　
4.Performance parameter 　
5.Outline & installation size 　
6.Notice 　
7.WJ/F install the sketch map in hanging type 　
worm reducer| worm gearbox| speed reducer| worm gearboxes| speed reducers| worm reducers| ,Helical gear reducers, gear reducer,reducer,Variators,speed variators,Cyclo reducers
Fault
Description		 Reasons Solutions

Overheating

Overloading.
Insufficient or excess lubricant oil.
Inferior or improper lubricant oil.
Oil seal is over-rubbed.
Improper connection between output shaft and transmitting device.

　

Adjust to proper loading.
Fill in adequate lubricant oil as indication.
Fill in proper lubricant oil after draining out oil.
Drop lubricant oil on oil seal.
Adjust to proper position.

　

Noise

Poor fit between worm wheel and worm shaft.
 Bearing damaged or clearance too large.
 Insufficient lubricant oil.
 Invaded by foreign objects.

Finish contact surfaces of gears (please contact with us).
 Replace bearing.
 Fill in proper adequate lubricant oil as indication.
 Remove foreign objects and replace lubricant oil.

　

Abnormal vibration

Transmitting device is not fixed.
 Worm wheel worn or damaged.
 Bearing worn or damaged.
 Bolt loosed.
 Invaded by foreign objects.

Fix transmitting device.
 Replace worm wheel (please contact with us).
 Replace bearing.
 Tighten bolt.
 Remove foreign objects and replace lubricant oil.

　

Oil leakage

Oil seal damaged.
 Gasket damaged.
 Excess oil.
 Oil drain plug loosed.
 Oil gauge damaged.

Replace oil seal.
 Replace gasket.
 Fill in adequate lubricant oil as indication.
 Tighten oil drain plug.
 Replace oil gauge.

　

Input or output shaft doesn't work

Worm wheel and worm shaft expanded by overheating.
 Bearing damaged.
 Invaded by foreign objects.
 Excess wear of worm wheel and worm shaft.

Replace worm wheel or worm shaft (please contact with us).
 Replace bearing.
 Remove foreign objects and replace lubricant oil.
 Replace worm wheel or worm shaft (please contact with us).

　

Worm wheel over-worm

Overloading.
 Inferior or improper lubricant oil.
 Insufficient lubricant oil.
 Bearing damaged.
 Operating temperature too high.

Adjust to proper loading.
 Replace proper lubricant oil.
 Fill in adequate lubricant oil as indication.
 Replace bearing.
 Improve ventilation conditions.

The above items are general fault descriptions.  In case of other kinds of faults, please contact with us to obtain most correct services.