Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
1986-06-18
1987-07-07
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
408239R, B23C 526, B23Q 312
Patent
active
046783822
ABSTRACT:
The machine tool spindle has a cylindrical receiving bore (3) and on its front end a plurality of concentric, annular supporting surfaces (4, 5, 6) which are separated from one another by annular grooves (7, 8) formed in the front end. The tool holders (9a) have mating projections (10) of equal diameter which fit accurately in the receiving bore (3) but shank diameters (D3) which differ stepwise from one another, the outside diameter (d1, d2, d3) of each supporting surface (4, 5, 6) being slightly smaller than the outside diameter (D3) of the annular surface (12a) of the corresponding tool holder (9a). When the annular surface (12a) (of a tool holder 9a), which is located at the transition between the shank and the mating projection (10), is in contact with the corresponding supporting surface (4, 5, 6), the or each further radially inwardly located supporting surface is located in axially spaced relationship to the opposite radial surface of the tool holder (9a).
REFERENCES:
patent: 3136217 (1964-06-01), Swanson et al.
patent: 3138997 (1964-06-01), Bruckner
patent: 4061076 (1977-12-01), Robertson
Bilinsky Z. R.
Komet Stahlhalter und Werkzeugfabrik Robert Breuning GmbH
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