Machine tool

Details Machine tool Machine tool

1989-09-18

1990-06-12

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

B23Q 3157

Patent

active

049321188

ABSTRACT:
A machine tool comprises a spindle stock (12), a tool magazine (20) in which a plurality of grippers equipped with tool holders are arranged to travel along an endless track, and two gripper arms (25, 26; 28, 29) arranged for moving the tool holders between a common pick-up and/or mounting position at the tool magazine and a spindle position at the spindle nose of the spindle stock (12), which has a vertical spindle axis (23, 24). In order to achieve the narrowest possible arrangement for the transfer movement between the pick-up and mounting position and the spindle position, it is provided that both gripper arms (25, 26; 28, 29) operate simultaneously and in opposite directions between their spindle positions and their pick-up and/or mounting positions, which are located on one side of the spindle stock (12), moving along geographical curves evading each other.

REFERENCES:
patent: 4557035 (1985-12-01), Rutschle et al.
patent: 4683638 (1987-07-01), Winkler et al.

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