Geometric tolerances for tools and parts
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Geometric tolerances for tools and parts


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Authors : André MAILLARD, Michel CABARET

Publication date: April 10, 2012 | Lire en français

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3. Geometric tolerances for tools and parts

There is a strong link between the geometric precision of tools and that of manufactured parts. It's easy to see the impact that a high level of requirement for part tolerances could have: greater complexity of the tool, even the risk of the part not being feasible, higher tool costs with the risk of more difficult set-up, and reduced control over the quality of the parts produced.

Faced with these consequences, it is important that each partner takes its share of responsibility:

  • The designer of the part (principal): he must ensure that his request is relevant to his needs (no over-quality) and translate it into the call for tenders.

  • The part manufacturer: this must carry out an analysis of the part's technical risks (feasibility). Internal procedures specific to the manufacturer (sometimes...

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