Gear cutting – milling – or planing – Milling – With limit means to aid in positioning of cutter bit or work
Patent
1986-03-11
1987-10-13
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
With limit means to aid in positioning of cutter bit or work
33557, 33560, B01G 703
Patent
active
046995510
ABSTRACT:
An apparatus and method are provided for on-line measurement of a lathe cing tool position using a measuring head with a rotatable square plate engaged with three cylindrical plungers and a positioning mechanism for pivoting the measuring head. The positioning mechanism includes a movable member mounted on a base on the lathe headstock and a rotating unit for rotating the movable member about an axis. A stop member is provided to stop the movable member at a locating position. The measuring head includes a square plate supported inside a housing and rotatable about a y-axis therein. The plungers extend into the housing to contact the plate near its corners. In response to a force applied by a cutting tool mounted in a turret, the plungers move respectively in +x, -x, -z directions relative to the housing to cause the square plate to rotate correspondingly. A transducer detects the rotation of the square plate and provides an output signal which is calibrated to yield an indication of the absolute displacement of the plunger and hence the position of the cutting tool relative to a machine datum position.
REFERENCES:
patent: 3990153 (1976-11-01), Calame
patent: 4136458 (1979-01-01), Bell et al.
patent: 4208157 (1980-06-01), Guarino et al.
patent: 4443946 (1984-04-01), McMurtry
Bilinsky Z. R.
Englert Alvin J.
Spooner Stanley C.
The United States of America as represented by the Secretary of
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