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:
SALIENT FEATURES
- Material specification and constructional features similar to Cast Iron Surface Plates.
- Offered in Square type, Rectangular type & Round type
- Top surface provided with 3x3 mm grooves at a pitch of 25-30 mm.
- Top surface offered duly hand-scrapped/lapped finish
- Granite Lapping plates are also available.
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STANDARD SIZES AND TOLERANCE OF FLATNESS |
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Square and Rectangular type |
Round type |
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Size in mm |
Flatness tolerance |
Size in mm |
Flatness tolerance |
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100 x 100 |
4.0 |
100 |
4.0 |
|
150 x 150 |
5.0 |
150 |
5.0 |
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160 x 100 |
6.0 |
200 |
5.0 |
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250 x 160 |
7.0 |
250 |
7.0 |
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250 x 250 |
7.0 |
300 |
7.0 |
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400 x 250 |
8.0 |
400 |
9.0 |
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400 x 400 |
9.0 |
450 |
9.0 |
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500 x 500 |
10.0 |
500 |
9.0 |
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630 x 400 |
10.0 |
600 |
10.0 |
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630 x 630 |
10.0 |
750 |
12.0 |
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750 x 750 |
12.0 |
900 |
12.0 |
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900 x 600 |
12.0 |
1000 |
14.0 |
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1000 x 630 |
12.0 |
- |
- |
|
1000 x 1000 |
14.0 |
- |
- |