Gear cutting – milling – or planing – Milling – With cutter holder
Patent
1992-06-03
1993-08-10
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
With cutter holder
279 42, 279900, 408239A, B23B 3109
Patent
active
052342964
ABSTRACT:
The present invention is a tool holder for receiving an endmill or similar tool. The tool holder includes a shank portion adapted to fit into the spindle of a machine, and a closed end collet integrally formed with the shank portion. The collet includes an axial bore for receiving the tool and a plurality of resilient collet segments for gripping the tool. The collet segments are separated by a plurality of axially extending slots which terminate inwardly from the forward end of a collet. A continuous tie ring extends around the forward end of a collet and joins the plurality of collet segments together. The continuous tie ring provides for increased radial stiffness at the forward end of the collet which improves accuracy and repeatability of tool location. A lock nut threads onto the collet to collapse the collet segments radially inwardly to grip the tool.
REFERENCES:
patent: 78916 (1868-06-01), Babcock
patent: 508667 (1893-11-01), Woeber
patent: 1268171 (1918-06-01), Spaulding
patent: 1702810 (1929-02-01), Buhr
patent: 2380330 (1945-07-01), Ringler
patent: 2842020 (1958-07-01), Tarquino
patent: 4341006 (1982-07-01), Staron
patent: 4421443 (1983-12-01), Woythal et al.
patent: 4562329 (1985-12-01), Minton
Mogilnicki Victor D.
Presby Thomas J.
Bilinsky Z. R.
Kennametal Inc.
Porcelli James G.
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