Calibration and measurement device

Details Calibration and measurement device Calibration and measurement device

1992-07-20

1993-11-09

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

33503, G01B 503

Patent

active

052591204

ABSTRACT:
A ball-bar 26 for calibrating machine tools and coordinate measuring machines comprise a unit 30 containing a displacement transducer 34 for measuring axial displacement of a precision ball 28. The ball 28 is pivotably located on the head or spindle 12 of the machine, which is driven in a circle about a ball 22 mounted on the bed or table 10 of the machine at the other end of the ball-bar in order to perform a calibration. The ball-bar has a modular construction, its various components such as the unit 30, extension bar 40, magnetic sockets 24,29, supporting device 14 and magnetic clamp 16 being connected together via M6 screw-threads, e.g. at 18,42,44. This enables the unit 30 to be connected to the various other components in a variety of configurations, e.g. for use as an electronic dial gauge.

REFERENCES:
patent: 4435905 (1984-03-01), Bryan
patent: 4492036 (1985-01-01), Beckwith, Jr.
patent: 4884348 (1989-12-01), Zeller et al.
patent: 4936024 (1990-06-01), Greenslade
patent: 4982504 (1991-01-01), Soderberg et al.
patent: 5052115 (1991-10-01), Burdekin
patent: 5111590 (1992-05-01), Park

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