Tool holder for a machine tool

Details Tool holder for a machine tool Tool holder for a machine tool

1992-10-08

1994-10-04

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

408239R, 409234, B23C 526

Patent

active

053520734

ABSTRACT:
An mounting arrangement of a tool holder in a machine tool comprises a main shaft and the tool holder each having an extending end face formed by extending a given reference end face of the main shaft and a given collar end face of the tool holder, toward one another, respectively, both of which end faces are normally separated with a prescribed clearance, with required extensions so as to come into contact with one another when a tapered shank of the tool holder is fitted into a flared hole of the main shaft, so that the tool holder can be mounted in the main shaft securely owing to a high degree of integration, without the occurrence of friction due to the phenomenon of a fretting corrosion or the like in the contact surfaces between the flared hole and the tapered shank. Such a high degree of integration of the main shaft and the tool holder enables a deep cutting to be readily performed in relation to a workpiece. In addition, the arrangement can be used compatibly with a tool holder of a normal product or a main shaft of a normal product.

REFERENCES:
patent: 4714389 (1987-12-01), Johne
patent: 4726721 (1988-02-01), Heel et al.

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