Multi-spindle unit

Details Multi-spindle unit Multi-spindle unit

1984-09-06

1986-06-10

Peters, Jimmy C.

Gear cutting, milling, or planing

Milling

With detachable or auxiliary cutter support to convert...

408 47, B23B 3916

Patent

active

045940371

ABSTRACT:
A multi-spindle unit for holding and rotating a plurality of rotary cutting tools has a unit body fixed to a first spindle of a machine tool, a rotatable shaft concentric with the unit body, and a plurality of secondary spindles each having a tool mounting portion at one end thereof. The rotatable shaft is coupled at one end portion to the unit body for receiving a torque from the holder body, the rotatable shaft being displaceable relative to the holder body. A rotation transmitting mechanism is provided to transmit a rotary motion of the rotatable shaft to the secondary spindles. A positioning member is fixedly disposed radially outwardly of the first spindle, and a cylindrical casing is disposed radially outwardly of the rotatable shaft such that the casing and the shaft are rotatable relative to each other. The casing is engageable with the positioning member for positioning thereof by the positioning member, and thereby positioning the secondary spindles.

REFERENCES:
patent: 495325 (1893-04-01), Girdany
patent: 1452921 (1923-04-01), McLellan
patent: 2530502 (1950-11-01), Baney
patent: 3279268 (1966-10-01), Zagar
patent: 3687564 (1972-08-01), Cupler

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