Machine tool with an automatic tool exchanger

Details Machine tool with an automatic tool exchanger Machine tool with an automatic tool exchanger

1976-12-29

1978-05-30

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

74813L, B23Q 3157

Patent

active

040915263

ABSTRACT:
A machine tool is provided with an exchange arm for automatically exchanging tools between a tool spindle and a tool magazine. A drive key and a detent pin protrude respectively from the tool spindle and each of the tool storage portions of the magazine and are engageable, with a predetermined play, with a key-way of each tool. A fine indexing device has a rotatable cam drum on which a first cam segment is formed for indexing the tool spindle to a predetermined angular position following a coarse indexing operation by a coarse indexing device. A second cam segment is further formed on the cam drum to rotate the tool spindle more than the play from said predetermined angular position after a fresh tool is inserted into the spindle, so that a positive engagement between the drive key and the key-way of the tool can be achieved.

REFERENCES:
patent: 3994061 (1976-11-01), Tomita et al.

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