Support
Q5.
Error symptoms and remedies
| Problem | Probable cause | Correction |
|---|---|---|
| Overheat | Over speed ( RPM ) | Adjust running speed properly |
| Over friction on seal | Lubricate oil seal | |
| Too much or poor lubrication | Lubricate it according to instruction | |
| Poor connection between drive shaft and output shaft | Adjust connecting position properly | |
| Noise On Boring Head |
Gear worn out | Replace gear (Contact us) |
| Bearing worn out | Replace bearing | |
| Other object entered | Remove object, then lubricate it | |
| Insufficient lubrication oil | Lubricate it properly | |
| Poor connection between drive shaft and output shaft | Adjust connecting position properly | |
|
Sharp Noise on Boring Head |
Bit dulled | Sharpen bit edge |
| Too small bit edge | Sharpen bit edge | |
| Inaccurate boring position (center offset) | Positioning properly | |
| Poor chip removing | Reduce feed rate. Frequently retract drill for removing chips. | |
| Spindle Vibrates or Jumps |
Spindle bent | Correct or replace spindle |
| Gear worn out | Replace gear (Contact us) | |
| Bearing worn out | Replace bearing | |
| Uneven bit edge | Sharpen bit edge | |
| Uneven bit edge angle | Sharpen bit edge | |
| Workpiece not clamped securely | Clamp it securely | |
| Too fast running speed | Reduce running speed and feed speed | |
| Running Failed | Gear worn out or broken | Replace gear (Contact us) |
| Other object entered | Remove object then lubricate it | |
| Boring Failed | Bit dulled | Sharpen bit edge |
| Bit rotates reversely | Use correct running direction | |
| Improper running speed | Refer to running speed table shown on our web pages | |
| In correct bit material | Select bit according to workpiece material | |
| Bit Dulled or Broken Frequently |
Bit edge too thin | Sharpen edge clearance angle |
| Running speed too fast | Reduce running speed and feed speed | |
| Insufficient bit hardness | Use hard enough bit | |
| Insufficient cooling | Add cooling | |
| Hole Enlarge | Boring head spindle vibrates | Refer to above |
| Uneven bit edge | Sharpen bit edge | |
| Uneven bit edge angle | Sharpen bit edge | |
| Boring head not tightened securely | Tighten it securely | |
| In correct bit size | Replace bit | |
| Hole Shrink | Bit edge worn out | Replace bit |
| In correct bit size | Replace bit | |
| Hole Surface Too Rough |
Workpiece not clamped securely | Clamp it securely |
| Bit not sharp enough | Sharpen bit |
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