| Test to be applied -Bed |
Figures |
Permissible Error (mm) |
| Bed straight in longitudinal direction apron side (convex only) |
 |
0-0.02 per 1000 mm |
| Ditto, opposite side (concave only) |
0.02 per 1000 mm |
| Bed level in transverse direction |
±0.02* per 1000 mm |
| Straightness of slide ways (for machines of more than 3 m turning length only, measurements taken by length only; measurements taken by measuring taut wire and microscope or long straight edge) |
 |
0.02 per 1000mm |
| Tailstock guide ways parallel with movement of carriage |
 |
0.02 per 1000 mm |
