Chucking device of workpiece in grinding machine

Details Chucking device of workpiece in grinding machine Chucking device of workpiece in grinding machine

B - Operations, Transporting

25

B

51/164, 29/20

B25B 5/00 (2006.01) B23B 31/14 (2006.01) B23B 31/16 (2006.01) B23B 33/00 (2006.01) B24B 41/06 (2006.01)

Patent

CA 1263028

CHUCKING DEVICE OF WORKPIECE IN GRINDING MACHINE ABSTRACT OF THE DISCLOSURE A chucking device of a workpiece to be ground in a grinding machine, including a rotatable housing, a pair of elastically biased weight bodies which are opposed in the housing so as to come away from and close to each other a pair of opposed clamp plates which are provided on the respective weight bodies for relative movement and which have openings defining a center insertion opening in which the workpiece is inserted, and an end plate which is secured to the housing for covering the housing. The clamp plates are capable of inclining in planes thereof. The workpiece is firmly held in and by the center insertion opening of the clamp plates at at least four points of the center insertion hole by the outward displacement of the weight bodies, due to the centrifugal force acting thereon when the chucking device rotates.

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