Troubleshooting Reducers
Worm Gear Reducers
1 | Abnormal temperature rise |
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2 | Noisy Large vibration |
3 | Oil leak |
4 | Output shaft does not rotate |
5 | Both input and output shafts do not rotate |
1 | Abnormal temperature rise |
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Cause 1 | Overload operation | Solution | Check and apply the correct load |
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Cause 2 | Insufficient or too much lubricant | Solution | Fill with the appropriate volume |
Cause 3 | Oil contamination or wrong oil | Solution | Replaced with new and correct oil |
Cause 4 | Bearings are overtightened | Solution | Contact Tsubaki for adjustment |
2 | Noisy Large vibration |
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Cause 1 | Damaged bearings | Solution | Contact Tsubaki for repair |
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Cause 2 | Bad tooth contact | Solution | Contact Tsubaki for repair |
Cause 3 | Bearings are overtightened | Solution | Contact Tsubaki for repair |
Cause 4 | Damage to the teeth | Solution | Contact Tsubaki for repair |
Cause 5 | Insufficient oil | Solution | Contact Tsubaki for repair and lubrication |
Cause 6 | Contaminated with foreign objects | Solution | Contact Tsubaki for repair and lubrication |
Cause 7 | No shaft alignment | Solution | Center the shaft accurately so it is in alignment with the system |
3 | Oil leak |
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Cause 1 | Wear and damage to the oil seal | Solution | Replace the oil seal (including filter, depending on model ) |
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Cause 2 | Damaged oil gauge | Solution | Replace the oil gauge |
Cause 3 | Bolts/plugs have loosened | Solution | Retighten loose bolts/plugs |
4 | Output shaft does not rotate |
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Cause 1 | Wear of worm wheel | Solution | Contact Tsubaki for repair |
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Cause 2 | Breakage of worm shaft or worm wheel | Solution | Contact Tsubaki for repair |
Cause 3 | Breakage of worm wheel hub and output shaft key | Solution | Contact Tsubaki for repair |
5 | Both input and output shafts do not rotate |
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Cause 1 | Jammed with foreign objects | Solution | Contact Tsubaki for repair |
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Cause 2 | Damaged or broken bearings | Solution | Contact Tsubaki for repair |
Cause 3 | Seized gear tooth surfaces | Solution | Contact Tsubaki for repair |
The above table shows the most common problems in daily operation, and their countermeasures.
For problems other than these, please contact your dealer.
When you make an inquiry, provide the dealer with the following information from the nameplate.
- (1)Serial number (MFG NO.)
- (2)Model No. (TYPE)
- (3)Reduction ratio (RATIO)or Speed (OUTPUT SPEED)
- (4)Drawing number (DRAWING NO.)