Power transmission formation rolling machine

B - Operations – Transporting – 21 – H

Patent

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Details

B21H 5/00 (2006.01) B21H 5/02 (2006.01) B21H 3/06 (2006.01)

Patent

CA 2332850

A machine (20) for rolling power transmission formations in a workpiece includes a base (22) having spaced base portions (30) and a rear connecting base portion (32) extending between the spaced base portions which project forwardly therefrom to define a workspace (34). A headstock spindle support (48) is mounted on the rear connecting base portion (32) along a rotational axis (A) of the machine and is moved therealong by a headstock electric servomotor (152). A tailstock spindle support (52) is mounted on the spaced base portions (30) adjacent front ends (36) thereof to cooperate with the headstock spindle support (48) in rotatably mounting the workpiece and is also movable along the rotational axis by a tailstock electric servomotor (180). A pair of movable slides (66) respectively support a pair of forming racks (68) and are respectively supported by the pair of spaced base portions (30) within the workspace (34). A pair of slide electric servomotors (94) move the pair of slides (66) in opposite directions.

Cette machine (20), destinée au profilage d'ensembles de transmission d'énergie dans une pièce à travailler, comporte une base (22) ayant deux éléments de base distincts (30) et un élément de base de connexion arrière (32) s'étendant entre les éléments de base précités en débordant vers l'avant de manière à délimiter un espace de travail (34). Un support de broche de poupée fixe (48), qui est monté sur l'élément de base de connexion arrière (32) le long d'un axe de rotation (A) de la machine, se déplace le long de celui-ci en étant entraîné par un servo-moteur électrique (152). Un support de poupée mobile (52), qui est monté sur les éléments de base distincts (30) au voisinage de leurs extrémités frontales (36) de manière à coopérer avec le support de broche de poupée fixe (48) aux fins du montage rotatif de la pièce à travailler, se déplace également le long de l'axe de rotation en étant entraîné par un autre servo-moteur électrique (180). Deux glissières mobiles (66) soutiennent, respectivement, deux peignes de formage (68) et sont, respectivement, soutenues par les deux éléments de base distincts (30) dans l'espace de travail (34). Deux servo-moteurs (94) mettent en mouvement les deux glissières (66) dans des directions opposées.

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