|
Reference |
Troubleshooting
| Problem | Suggested Adjustments |
| High flank wear | - increase clearance angle |
| - stabilize set-up | |
| - decrease RPM (speed) | |
| Poor tool life | - change cutting geometry |
| - decrease RPM (speed) | |
| - decrease IPM (feed) | |
| - increase coolant pressure | |
| - check for worn drill brushing | |
| Drill breakage | - increase coolant pressure |
| - check for high flank wear | |
| - decrease IPM (feed) | |
| - check for poor chip transportation | |
| - check spindle on machine for wear | |
| Poor chip forming | - change cutting geometry |
| - increase RPM (speed) | |
| - adjust pressure in cutting fluid system | |
| - decrease IPM (feed) | |
| Poor chip transportation | - check for leak in cutting fluid system |
| - change cutting geometry | |
| - decrease IPM (feed) | |
| - increase coolant pressure | |
| Oversized hole | - change cutting geometry |
| - decrease RPM (speed) | |
| - increase IPM (feed) | |
| - adjust pressure in cutting fluid system | |
| Undersized hole | - change cutting geometry |
| - increase RPM (speed) | |
| - decrease IPM (feed) | |
| - increase pressure in cutting fluid system | |
| Poor surface finish | - increase RPM (speed) |
| - decrease IPM (feed) | |
| - adjust coolant pressure | |
| - check for vibrations | |
| - check drill bush for excessive wear | |
| - check quality of workpiece material |