Non piercing / Over piercing are the result of not drilling through the hole or over drilling into the machine table (or drilling fixture).
The result of non piercing and over piercing
| Cause | Failure condition | Countermeasure |
|---|---|---|
| Unsuitable overall length | Incorrect overall length causes non-piercing or over piercing | Check overall length. |
| Cause | Failure condition | Countermeasure |
|---|---|---|
| Z feed set incorrectly | Non-piercing or over piercing are caused by the setting error compared to the target drilling depth. | Check input values. |
| Cause | Failure condition | Countermeasure |
|---|---|---|
| Uneven thickness of PCB and backup board | Non piercing or over piercing are caused by different depth values compared to the setting parameter. | Check PCB and backup board thickness. |
| Cause | Failure condition | Countermeasure |
|---|---|---|
| Unsuitable spindle height | Non piercing or over piercing are caused due to the variable height of the drill point. | Check spindle height. |
| Unsuitable ring depth | Check ring setting depth. |
PRODUCT 01 PCB Drills / Routers / Ultra precision micro-hole drill
