Device for measuring the profile shape of cylindrical workpiece

Details Device for measuring the profile shape of cylindrical workpiece Device for measuring the profile shape of cylindrical workpiece

1986-07-15

1987-03-31

Little, Willis

Geometrical instruments

Gauge

With support for gauged article

33557, 33143L, 33178E, G01B 728

Patent

active

046531963

ABSTRACT:
A device for measuring the profile shape of workpieces having cylindrical surfaces comprises a sensing device and a electronic evaluation circuit connected to the sensing device. During the measurement there is relative displacement between the workpiece and the sensing device. For the simultaneous measurement of a plurality of offset cylindrical surfaces of the workpiece, the sensing device is provided with a corresponding plurality of measuring sensors which are angularly offset from one another, viewed in the direction of rotational measurement, and which are adjustable in the axial and radial directions independently of each other. An angular step transmitter is provided to supply angular step signals for the trains of tracking signals from the measuring sensors and to generate a reference angle signal. In the evaluation circuit there is provided for the measuring sensors a phase rotation device by means of which the individual trains of as-measured tracking signals from the measuring sensors are rotationally phased in order to simulate a linear arrangement of the measuring sensors.

REFERENCES:
patent: 3206857 (1965-09-01), Kaye
patent: 3857185 (1974-12-01), Hoglund
patent: 3939567 (1976-02-01), Albertazzi
patent: 4167066 (1979-09-01), Cooper et al.
patent: 4233744 (1980-11-01), Possati
patent: 4326338 (1982-04-01), Plante
patent: 4355467 (1982-10-01), Albertazzi
patent: 4555855 (1985-12-01), Gounelli et al.

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