High torque chuck assembly and collet

Details High torque chuck assembly and collet High torque chuck assembly and collet

1980-09-02

1984-03-20

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

279 52, 279 59, 279 83, 409234, B23C 526, B23B 3104

Patent

active

044378017

ABSTRACT:
A chuck assembly and collet for retaining a commercially-available large-diameter, high-torque end mill (or similar) tool against axial pullout and against radial (or rotational) movement with respect to the assembly. The tool includes two axially spaced flat surfaces along the shank, one of which is coupled to the collet to prevent axial pullout and the other of which is coupled to the chuck to prevent rotation with respect to the chuck. The coupling to the chuck is accomplished by a ballclamp screw which extends through an aperture in the collet to the flat surface on the tool. The ballclamp screw has a flattened ball that is pivotally mounted in the screw's engagement and the pivotal mounting accommodates a few degree misalignment between the shank's flat surface and the screw without significantly affecting the coupling therebetween.

REFERENCES:
patent: 3586344 (1971-06-01), Nixon
patent: 3588135 (1971-06-01), Porter
patent: 3811694 (1974-05-01), Dahlman et al.
patent: 3841646 (1974-10-01), Bennett

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