Coupling between a tool head and a tool support

Details Coupling between a tool head and a tool support Coupling between a tool head and a tool support

1988-03-11

1989-08-15

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

279 8, 408144, 408230, B23B 5102

Patent

active

048569445

ABSTRACT:
A coupling between a tool head and a tool support exhibits, for rough positioning, a holding fixture pin connection. By at least one fastening bolt running in the axial direction of the tool support, the tool head is braced against the tool support. In doing so the fastening bolt engages through a first screw coupling with the tool head and through a second screw coupling with the tool support. The first and second screw couplings exhibit synchronized threads of differing pitch so that, when tightening the fastening bolt, the tool support and the tool head are braced against each other in the axial direction. Further, the fastening bolt exhibits a centering section which, in the assembled state of the coupling, centers the tool head relative to the tool support. The fastening bolt, in the assembled state of the coupling, is received in its entirety in the inside of the unit formed by the tool support and the tool head and is accessible only through a borehole. Advantageously, this borehole also acts as a coolant borehole. The coolant that flows through it during use accordingly rinses away impurities.

REFERENCES:
patent: 4099889 (1978-07-01), Vig
patent: 4684298 (1987-08-01), Roos

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