Machine tool

Details Machine tool Machine tool

1991-10-07

1993-04-13

Briggs, William

Tool changing

With safety means

Guard

483 47, B23Q 3157

Patent

active

052016951

ABSTRACT:
A machine tool has a spindle rotating about a spindle axis and a quill that can be displaced relative to the spindle in the direction of the spindle axis. Arranged at intervals around the spindle are a number of gripper arms that are fastened to the quill, whereby each gripper arm carries a tool holder that has a cone. The cone of each tool holder can be individually engaged, by means of the gripper arm, from a magazine position located at a distance from the spindle into a working position located in the spindle, while the other tool holders are retained in the magazine position. In the magazine position, each of the tool holders is inserted into a separate sheath open at the bottom, which forms a cover at least for the respective cone. With the machine tool the sheaths are located on the gripper arms.

REFERENCES:
patent: 4459737 (1984-07-01), Mori et al.
patent: 4557035 (1985-12-01), Rutschle et al.
patent: 4759114 (1988-07-01), Babel
patent: 4887345 (1989-12-01), Saito et al.
patent: 4930208 (1990-06-01), Winkler et al.

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