Tools and process for forming conical components

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 51/10 (2006.01) B21C 37/18 (2006.01) B21D 5/01 (2006.01)

Patent

CA 2409676

This invention relates to a press (20) for forming a conical component (58) from sheet metal or the like and to a method of forming a conical component (58) from a metal sheet (53) or the like. The press (20) comprises two spaced elongate arm members (39, 40) and an elongate tool member (23) movable between a clear position in which the tool member (23) is clear of a gap (41) between the arm members (39, 40) and an interposed position in which at least a portion of the tool member (23) penetrates the gap (41), wherein a member (23, 49, 50) is disposed out of parallel alignment with at least one of the other members (23, 49, 50). The required alignment may be achieved by arranging the press (20) such that, when in the interposed position, the penetration of the tool member (23) into the gap (41) is greater at one end (24) of the tool member (23) than the other (25). Alternatively or additionally, the arm members (49, 50) may diverge along their length.

L'invention concerne une presse (20) à former des éléments coniques (58) à partir de feuilles de métal ou autres matériaux semblables, et un procédé de réalisation de ces éléments (58) à partir de feuilles métalliques (53) ou autres. La presse (20) comprend deux bras allongés espacés (39, 40) et un outil allongé (23) passant d'une position libre dans laquelle l'outil (23) n'occupe pas un intervalle (41) entre les bras (39, 40) et une position d'occupation dans laquelle au moins une partie de l'outil (23) occupe l'intervalle (41). Un bras (23, 49, 50) est hors alignement parallèle avec au moins l'un des autres bras (23, 49, 50). L'alignement requis peut résulter d'une configuration de la presse (20) établie comme suit: en position d'occupation, la pénétration de l'outil (23) dans l'intervalle (41) est plus importante à une extrémité (24) de l'outil (23) qu'à l'autre (25). En guise de variante ou de complément, les bras (49, 50) peuvent diverger sur leur longueur.

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