Method for controlling pivoting machine member

G - Physics – 05 – B

Patent

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Details

G05B 19/42 (2006.01) G05B 19/18 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2367054

A method and apparatus for control of pivoting members (see figure 1). Translating members are translated parallel to the X, Y and Z directions to fixed guides or rails (22, 24, 26, 28, 30, 32). Screw (70) and a cooperating nut translates carrier plate (54) when screw (70) is rotated by motor (72) through transmission (74). To achieve tilt of spindle (12) parallel to arces A, B, carrier mount (36) is pivotably mounted to carrier plate (54) at pivot point (64) and carrier (44) is pivotably mounted to carrier mount (36) by tunion (66). Pivot of spindle (12) through the B swing is effected by screw (34) is driven by motor (50) through transmission (52) pivotably mounted to carrier plate (54) at pin (56). Pivot of spindle (12) through the A swing is effected by screw (40) acting through nut (42) mounted to spindle carrier (44). Screw (40) is driven by motor (58) through transmission (60) pivotably mounted to carrier mount (36) at pin (62).

Procédé et appareil servant à commander des éléments pivotants (voir figure 1). Des éléments à déplacement rectiligne sont déplacés par translation parallèlement aux directions X, Y et Z sur des guides ou des rails fixes (22, 24, 26, 28, 30, 32). Une vis (70) et un écrou associé appliquent un mouvement de translation à une plaque (54) de support lorsque la vis (70) est mise en rotation par un moteur (72) par l'intermédiaire d'une transmission (74). Pour faire basculer l'axe (12) parallèlement aux arcs A, B, le porte-support (36) est monté pivotant sur la plaque (54) de support au niveau d'un point de pivot (64) et le support (44) est monté pivotant sur le porte-support (36) au moyen d'une broche (66). Le pivotement de l'axe (12) par le basculement B est effectué par la vis (34) du fait de l'entraînement par le moteur (50) arrivant par la transmission (52) montée pivotante sur la plaque (54) de support au niveau d'une goupille (56). Le pivotement de l'axe (12) par le basculement A est effectué par la vis (40) agissant par l'écrou (42) monté sur le porte-axe (44). La vis (40) est entraînée par le moteur (58) par l'intermédiaire de la transmission (60) montée pivotante sur le porte-support (36) au niveau de la goupille (62).

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