Calibration Terms: Zero, Offset and Master
Terms
| Term | Meaning |
|---|---|
| Zero position | The reference position for each axis |
| Mastering | Establishing the relationship between encoder and axis position |
| Offset | A correction applied to a stored value |
| Tool centre point | The working point of the tool |
| Verification | Checking accuracy against a known reference |
Practical guidance
- Record every mastering value and keep it with the machine records.
- Re-verify after any mechanical intervention.
- Do not re-master without understanding why it was lost.
Mastering and calibration procedures are model specific. Follow the manufacturer documentation exactly.