Tool mounting

Details Tool mounting Tool mounting

1985-05-20

1987-02-10

Vlachos, Leonidas

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

29568, 82 36B, 408239A, B23C 700, B23B 4300

Patent

active

046420061

ABSTRACT:
A tool mounting between a cutting tool, for example a drill, and a machine spindle, comprising a tool element and a tightening device. The tool element consists of a body and an expandable attachment tap. The attachment tap is formed with grooves to receive a gripping implement of a tool interchanging mechanism and with a through opening to receive an end portion of a pull rod. The tightening device comprises a pull rod movably mounted in an inner pipe and forwardly projecting resilient portions. During changing to an other tool the opening at the attachment tap (13) is moved over the end portion by means of the gripping implement while a wall of the opening of the attachment tap slip against the resilient portions until a stop pin on the tool shank engages the end surface of the end portion and the resilient portions snap into recesses in the hole wall. The gripping implement is then lifted away and the attachment tap is retained in a pre-centered position whereafter the pull rod is tightened for clamping of the tool shank in the inner pipe during two further centering procedures.

REFERENCES:
patent: 4223579 (1980-09-01), Stark et al.
patent: 4270422 (1981-06-01), Andersson
patent: 4406195 (1983-09-01), Kruger et al.
patent: 4521950 (1985-06-01), Kase et al.
patent: 4580472 (1986-04-01), Kastner

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