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Basics of Coordinate Metrology
Unit 13: Accuracy - Attainable Manufacturing Accuracies
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Step 4 of 8
 Next |
| The individual manufacturing methods naturally have different manufacturing inaccuracies They cannot be stated in a generally applicable way. Nevertheless a few generalized statements on the manufacturing accuracies can be made. These statements have been summarized in the table below. The attainable manufacturing accuracies in this table have been assigned to the IT classes. |
| Manufacturing types |
IT 01 |
IT 1 |
IT 2 |
IT 3 |
IT 4 |
IT 5 |
IT 6 |
IT 7 |
IT 8 |
IT 9 |
IT 10 |
IT 11 |
IT 12 |
| Rolling |
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| Forging |
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| Drilling1 |
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| Precision casting |
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| Drawing |
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| Punching |
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| Turning |
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| Milling |
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| Planing |
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| Precision milling |
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| Precision planing |
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| Fine drilling |
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| Precision broaching |
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| Plane rolling |
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| Precision eroding |
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| Precision reaming |
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| Precision grinding |
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| Honing |
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| Precision turning2 |
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| Lapping |
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| 1 by means of twist drill |
| 2 Diamond turning |
as described in the reference: Trumpold, Tolerieren von Maßen im Austauschbau, Berlin (Ost): VEB Verlag Technik, 1984 |
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