Apparatus for monitoring the angular position of a workpiece

Details Apparatus for monitoring the angular position of a workpiece Apparatus for monitoring the angular position of a workpiece

1989-10-25

1990-06-19

Howell, Daniel

Gear cutting, milling, or planing

Milling

Including means to infeed work to cutter

5116574, 51237CS, 51281C, 279111, 409205, 409220, B23Q 300

Patent

active

049348825

ABSTRACT:
Apparatus for monitoring or tracking the angular position of a rotating camshaft during grinding or milling of cams on the camshaft. The cams may be milled, but in the apparatus shown, they are ground by abrasive belts which are guided by actuators driven by CNC controlled motors, to obtain the desired cam contours. Monitoring is carried out by a pick-up member engageable with a locating pin on the camshaft. The pick-up member has a slot for receiving the locating pin between a locator pad and a leaf spring. The leaf spring clamps the pin against the locator pad. The pick-up member will closely follow the rotation of the camshaft despite variations in pin size, and feed back the exact rotative position of the camshaft to the CNC controlled motors consistently and accurately.

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