Precision depth spindle

Details Precision depth spindle Precision depth spindle

B - Operations, Transporting

23

D

B23D 37/00 (2006.01) B23B 49/00 (2006.01) B23Q 1/70 (2006.01) B23Q 3/06 (2006.01) B23Q 16/00 (2006.01) B23Q 17/22 (2006.01)

Patent

CA 2076335

A precision depth spindle is mounted to rotate within a cartridge but is restrained against axial movement with respect to the cartridge. The cartridge is mounted for axial sliding movement within a housing, but cannot rotate with respect to the housing. A tool chuck is fixed to one end of the spindle for movement with the spindle, the tool chuck supporting a cutting tool. A spindle stop is mounted to the tool chuck and can rotate with respect to the chuck. Thisallows the spindle stop to be maintained stationary while the tool chuck and thecutting tool rotate. The spindle stop is finely adjustable axially with respect to the tool chuck, thus determining the depth to which the cutting tool will enter a workpiece. The cartridge has a limited axial motion range with respect to the housing, and both the spindle and cartridge are urged toward the workpiece with respect to the housing by a suitable spring or pressure means.

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