Apparatus for measuring the diameter of rod-shaped work-pieces

Details Apparatus for measuring the diameter of rod-shaped work-pieces Apparatus for measuring the diameter of rod-shaped work-pieces

1983-10-06

1985-07-30

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33178E, 33550, 33147E, 209533, 209602, G01B 500

Patent

active

045312940

ABSTRACT:
Apparatus for measuring or monitoring the diameter of rod-shaped workpieces comprises two driven and interdigitating pinion rollers for rotating the workpiece about its longitudinal axis and at least one pair of mutually opposite measuring gages adapted to be urged against the workpiece and connected to an electronic evaluating device. To permit a rapid measurement of the workpieces which is independent of the attention and carefulness of an operator, the workpiece is fed via an inclined trough to the pinion rollers so that the workpiece engages an axial stop. The workpiece is then urged against the pinion rolls by a pressure-applying roller, which is radially movable into and out of engagement with the workpiece. By spring force and/or a pressure fluid the measuring gages are jointly moved into and out of engagement with the workpiece when the latter lies on the pinion rolls and is axially located by the axial stop. The pinion rolls and the axial stop are succeeded by a device for discharging the workpiece from the apparatus.

REFERENCES:
patent: 2531317 (1950-11-01), Baney et al.
patent: 3417476 (1968-12-01), Martens
patent: 3787983 (1974-01-01), Diem
patent: 4182044 (1980-01-01), Peonski
IBM Tech. Bulletin, "Cathode Ray Tube Test Fixture", vol. 2, #5, 2/60.

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