Roll forming using turret punch press

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 5/14 (2006.01) B21D 17/04 (2006.01) B21D 28/12 (2006.01)

Patent

CA 2357707

To roll form a worksheet (32) by a turret punch press, at least one pair of coacting tools (34, 36) are mounted to the opposed turrets (46, 48) so that when those tools are rotated to the work location, they could be driven to a predetermined relative distance towards each other to make contact with the workpiece (32). The depth of the formed shape is determined by the relative distance the coacting tools (34, 36) are driven towards each other. By moving the worksheet (32) at the same time that the coacting tools are making contact with the worksheet, roll forming of the worksheet is effected. By providing the coacting tools in the opposing indexing stations and synchronously rotating those stations, a complex pattern can be roll formed on a worksheet.

Selon cette invention, pour profiler une feuille de travail (32) au moyen d'une presse revolver, au moins une paire d'outils (34, 36) coactifs sont montés sur les tourelles revolver opposées (46, 48) de sorte que, lorsque ces outils effectuent une rotation par rapport à la station de travail, ils puissent être entraînés l'un vers l'autre sur une distance relative prédéterminée de façon à venir en contact avec la pièce de travail (32). La profondeur de la forme obtenue est déterminée par la distance relative des outils coactifs (34, 36) qui sont entraînée l'un vers l'autre. Le profilage de la pièce de travail (32) s'effectue lorsque celle-ci se déplace au moment où les outils coactifs viennent en contact avec elle. Lorsque les outils coactifs arrivent dans les stations d'indexage opposées et que ces stations tournent en synchronisation, un motif complexe peut être profilé sur une feuille de travail.

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