Tolerancing and Sheet Bending in Small Batch Part Manufacturing


Vin, L.J. de and Streppel, A.H. and Kals, H.J.J. (1994) Tolerancing and Sheet Bending in Small Batch Part Manufacturing. CIRP Annals, 43 (1). pp. 421-424. ISSN 0007-8506

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Abstract:Tolerances indicate geometrical limits between which a component is expected to perform its function adequately. They are used for instance for set-up selection in process planning and for inspection. Tolerances must be accounted for in sequencing and positioning procedures for bending of sheet metal parts. In bending, the shape of a part changes not only locally, but globally as well. Therefore, sheet metal part manufacturing presents some specific problems as regards reasoning about tolerances. The paper focuses on the interpretation and conversion of tolerances as part of a sequencing procedure for bending to be used in an integrated CAPP system.
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Copyright:© 1994 Elsevier
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