MICROFLAT LAPPING PLATES
Cast Iron Lapping Plates are extensively used for accurate hand-lapping of ferrous and non-ferrous parts to obtain a perfect surface form & flatness:
STANDARD SIZE AND TOLERANCE OF FLATNESS
SQUARE AND RECTANGULAR TYPE | ROUND TYPE | ||
|---|---|---|---|
| SIZE IN MM (L x B) | FLATNESS TOLERANCE (MICRONS) | SIZE IN MM (DIAMETER) | FLATNESS TOLERANCE (MICRONS) |
| 100 x 100 | 4.0 | 100 | 4.0 |
| 150 x 150 | 5.0 | 150 | 5.0 |
| 160 x 100 | 6.0 | 200 | 5.0 |
| 250 x 160 | 7.0 | 250 | 7.0 |
| 250 x 250 | 7.0 | 300 | 7.0 |
| 400 x 250 | 8.0 | 400 | 9.0 |
| 400 x 400 | 9.0 | 450 | 9.0 |
| 500 x 500 | 10.0 | 500 | 9.0 |
| 630 x 400 | 10.0 | 600 | 10.0 |
| 630 x 630 | 10.0 | 750 | 12.0 |
| 750 x 750 | 12.0 | 900 | 12.0 |
| 900 x 600 | 12.0 | 1000 | 14.0 |
| 1000 x 6300 | 12.0 | - | - |
| 1000 x 1000 | 14.0 | - | - |
