Apparatus for measuring the position of the tool apex in a numer

Details Apparatus for measuring the position of the tool apex in a numer Apparatus for measuring the position of the tool apex in a numer

1982-09-08

1984-09-11

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

B27G 2300

Patent

active

044701985

ABSTRACT:
An apparatus for measuring the position of the tool apex in relation to predetermined reference points in a numerically controlled lathe or the like comprises a clamp and an instrument, attached to the clamp, for establishing the position of the tool apex. The clamp is adapted, for its localization on the lathe, to cooperate with a recess provided in the spindle and concentric therewith, said clamp being provided, at least at its opposite sides, with abutments which are adapted to bear against the sides of the spindle recess. According to the invention the clamp is pivotally mounted on a holder therefor, said holder being movable, by means of a drive unit provided with an operating means, at right angles towards and away from the spindle just opposite the spindle recess, while the clamp is adapted to pivot, by means of a drive unit provided with an operating means, toward and away from the position in which it is situated just opposite the spindle recess. The instrument for establishing the position of the tool apex is adapted to be situated with its sensing means in the plane of movement of the tool apex when the clamp with its abutments bears against the sides of the spindle recess, while the instrument is adapted to emit a control impulse upon contact of the sensing means with the tool apex.

REFERENCES:
patent: T901004 (1972-08-01), Schmid
patent: 1283868 (1918-11-01), Nefedov
patent: 3050862 (1962-08-01), Koch

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