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6. Tool wear
From the very first press stroke, the tool changes. It acclimatizes at the very start of production (running-in phase), then generally evolves slowly over the course of production until a certain limit is reached, at which point wear accelerates (figure 52 ). Wear can be more or less rapid, depending on the type of degradation encountered. The characteristics of the cut part will then be influenced by this wear, and cutting forces will also change (see § 3.1.2
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Material processing - Assembly
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Tool wear
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Definitions taken from CETIM's "OME" software package (Outil Métier pour l'Emboutissage) http://www.cetim.fr/index.jsp
Standards and norms
- Bavures des pièces métalliques découpées ou poinçonnées - NF E 81-010 -
- Geometric product specifications (GPS) – General tolerances for stamped and bent parts - NF E 02-352 -
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