Grinding machine with two grinding wheels

Details Grinding machine with two grinding wheels Grinding machine with two grinding wheels

B - Operations, Transporting

24

B

B24B 5/42 (2006.01) B24B 1/00 (2006.01) B24B 19/12 (2006.01) B24B 27/00 (2006.01) B24B 49/16 (2006.01) B24B 51/00 (2006.01)

Patent

CA 2380560

A grinding machine is disclosed comprising a main frame, a wheelhead, a worktable (16), a headstock (12) and tailstock (14) carried by the worktable (16). A computer is supplied with data indicative of at least one operational parameter of the grinding proces, and the wheelfeed is under the control of signals generated by the computer. Two small diameter grinding wheels (22, 24) are mounted on two parallel spindels mounted on a support member (32) and are independently driven by two motors (28, 30) mounted at the other ends of the spindles. The support member (32) is pivotally joined to the wheelhead. The headstock (12) includes a workpiece drive (20) for rotating the workpiece during a grinding, and its speed of rotation is also controlled by signals generated by the computer. The length of the spindles positions each of the motors (28, 30) axially clear of the tailstock assembly when the wheels (22, 24) are aligned to engaged regions of a workpiece nearest to the headstock (22).

L'invention concerne une machine à meuler comportant un cadre principal, une poupée porte-meule, une table porte-pièces, (16), une poupée fixe (12) et une contre-poupée (14) portée par la table porte-pièces (16). Un ordinateur fournit des données indiquant au moins un paramètre opérationnel du processus de meulage. D'autre part, l'ordinateur produit des signaux qui commandent le dispositif tournant d'acheminement des pièces. Deux roues de meulage de faible diamètre (22, 24) sont installées sur les deux tourillons parallèles montés sur un élément de support (32) et sont commandés indépendamment l'un de l'autre par deux moteurs (28, 30) placés aux autres extrémités des tourillons. L'élément de support (32) est relié de manière pivotante à la poupée porte-meule. La poupée fixe (12) comprend un guide pièces (20) servant à faire tourner la pièce au cours d'un meulage, et l'ordinateur commande également sa vitesse de rotation en générant des signaux. La longueur des tourillons positionne chacun des deux moteurs (28, 30) de manière dégagée de l'assemblage de contre-poupée, lorsque les roues (22, 24) sont alignées avec des zones engagées de la pièce la plus proche de la poupée fixe (22).

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