Perpendicularity indicator for machine tool and method of operat

Details Perpendicularity indicator for machine tool and method of operat Perpendicularity indicator for machine tool and method of operat

1981-02-09

1983-09-27

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33172D, 33174Q, B27G 2300, G01B 322

Patent

active

044060696

ABSTRACT:
A method and apparatus is disclosed for determining perpendicularity between a tool mounting assembly and a work surface of a machine tool, the apparatus being in the form of a device including a shaft adapted for mounting in the tool mounting assembly and having a generally perpendicular platform rotatable about a longitudinal axis of the shaft, a plurality of at least three proximity indicators being mounted on the platform in equidistant relation from the axis of rotation for the shaft, each of the indicators including a movable proximity detecting element arranged for engagement with the work surface, a gauge block preferably being disposable upon the work surface to provide a common reference surface for establishing an initial "zero" setting on each of the indicators.

REFERENCES:
patent: 2689412 (1954-09-01), Young
patent: 3763570 (1973-10-01), Andersen
"Vertical Head Alignment Tool", Western Electric Tech. Digest #61, A. Zigon, 1/81.

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