Machine tool

Details Machine tool Machine tool

1988-08-22

1989-05-09

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

414783, B23Q 3157

Patent

active

048275999

ABSTRACT:
A machine tool comprises a tool exchange mechanism for transferring various tool holders from a magazine position into a working position of a rotating spindle of the machine tool. In order to minimize tool change times for standardized and non-standardized tool holders, frictional means between the tool holders and grippers of the tool exchange mechanism are provided as well as locking mechanism for maintaining a predetermined rotational position of the tool holders in the tool exchange mechanism. Thus, the tool holders may be inserted into the rotating receiving opening of the spindle with a predetermined rotational position or, if the tool holder rotational position deviates from another predetermined rotational position of the rotating spindle, the search time for establishing a form-locking driving relation between the spindle and the tool holder is minimized.

REFERENCES:
patent: 3327386 (1967-06-01), Jerue
patent: 3722711 (1973-03-01), Seidel
patent: 3822790 (1974-07-01), Armourell
patent: 4300278 (1981-11-01), Nomura
patent: 4338709 (1982-07-01), Straubell

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