Gear cutting – milling – or planing – Milling – With cutter holder
Patent
1995-10-03
1997-01-14
Bishop, Steven C.
Gear cutting, milling, or planing
Milling
With cutter holder
279 465, 279 468, 279103, 408239R, B23C 526, B23B 3120, B23B 31117
Patent
active
055932584
ABSTRACT:
A tool holder has a main sleeve to be attached to a tapered bore of a spindle of a machine tool, and a subholder which is coupled with the main sleeve and to which a tool is attached. The tapered shank of the main sleeve is inserted into the tapered bore of the spindle having a taper of 7/24. The main sleeve has a tapered hole having a taper of 1/10. A tapered sleeve which is elastically deformable in the radial direction is fitted onto the outer circumference surface of a shank portion of a subholder body of the subholder. The subholder is coupled with the main sleeve such that the outer circumferential surface of the tapered sleeve having a taper of 1/10 intimately contacts the circumferential surface of the tapered hole and the rear end surface of a flange of the subholder body intimately contacts the forward end surface of the main sleeve. This structure prevents the generation of vibrations during machining. Also, the tool holder makes it possible to efficiently machine a workpiece at high speed, and to increase the durability of the tool and the spindle.
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patent: 5265990 (1993-11-01), Kuban
Matsumoto Masakazu
Taguchi Masahiro
Yamamoto Yusaku
Bishop Steven C.
Nikken Kosakusho Works Ltd.
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