| Diagram of Measuring |
| Typical | Typical | |
No. | Allowed Tolerances | Measured | Measured | ||
Method | |||||
|
| Value (mm) | Value (inch) | ||
|
|
| |||
G15 |
| Lead screw cam action | 0.01mm | 0.0003" | |
|
| 0.015mm (0.0006") |
|
| |
|
|
|
|
| |
P1 |
| Accuracy of outside round cutting: |
|
| |
|
| a. Roundness: 0.005mm | 0.003mm | 0.0001" | |
|
| b. Cylindricity: 0.02mm (0.0007") in | 0.01mm | 0.0003" | |
|
| 200mm (7.874") |
|
| |
|
|
|
|
| |
P2 |
| Flatness of face for finishing cutting: | 0.015mm | 0.0005" | |
|
| 0.025mm (0.001") on the diameter of |
|
| |
|
| 300mm (11.811") |
|
| |
|
|
|
|
| |
P3 |
| Accuracy of pitch of leadscrew thread |
|
| |
|
| 0.04mm (0.0015") in 200mm (7.874") | 0.02mm | .0007" | |
|
| 0.02mm (0.0007") in 50mm (1.968") | 0.01mm | .0003" | |
|
|
|
|
|
G0509G Precision Lathe Inspection Record |