2. Chip removal machining
The term "chip removal" is inappropriate in the case of composites, where machining produces powder rather than chips.
2.1 Shearing and punching
Shearing and punching, or die-cutting, are applicable to thin-gauge composite materials (up to 2.5 mm). The cutting tool must be particularly sharp. Use a vertically-descending guillotine-type shear with a hardened steel upper blade having a cutting gradient of around 0.7% in relation to the lower blade, with clearance set to a minimum. Erta (Tufnol brand) recommends a tool slope of 2% for shearing plate up to 2.5 mm.
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Chip removal machining
Raw material cutting
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Standardization
Association française de normalisation (AFNOR) http://www.boutique.afnor.fr
- Tamis et tamisage. Tissus métalliques dans les tamis de contrôle. Exigences techniques et vérifications (éq. ISO 3310-1). - NF X 11-504 - 12-1992
European standard (EN)
- Sécurité des appareils à laser. Partie 1 : classification des matériels, prescriptions et guide de l'utilisateur (indice de classement : C 43-805). -...
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