Machine tool

Details Machine tool Machine tool

1994-09-09

1995-09-26

Briggs, William

Tool changing

Including machine tool or component

Rotary spindle machine tool

483 48, B23Q 3157

Patent

active

054530687

ABSTRACT:
A machine tool comprises a tool exchanger for exchanging tools between a vertical-axis spindle and a load/unload position of a tool magazine. The load/unload position is located, in a front view of the machine tool, above the spindle and laterally offset therefrom. The tool exchanger, further, comprises two exchanger arms operating reciprocally, each contributing to conveying a first tool from the spindle to the load/unload position and, simultaneously, a second tool from the load/unload position to the spindle. The exchanger arms are each rotatable about one separate axis only. Each of the exchanger arms exchanges its associated tool between the spindle and one separate transfer position each. The two transfer positions associated to the two exchanger arms are located at different distances in front of the load/unload position on the tool magazine. Further, a transfer device is provided for transferring the tools between the load/unload position and, alternately, one of the transfer positions.

REFERENCES:
patent: 3990140 (1976-11-01), Polacek et al.
patent: 4575918 (1986-03-01), Matison
patent: 4642875 (1987-02-01), Rutschle
patent: 4683638 (1987-08-01), Winkler et al.
patent: 4837919 (1989-06-01), Hoppe
patent: 4850764 (1989-07-01), Rutschle et al.
patent: 4932118 (1990-06-01), Winkler et al.

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