Automatic tool change apparatus

Details Automatic tool change apparatus Automatic tool change apparatus

1977-07-19

1978-08-15

Weidenfeld, Gil

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

29568, G05B 1928

Patent

active

041075897

ABSTRACT:
In an automatic tool change apparatus, numbers of tools stored in respective tool holding devices mounted on a magazine and held in a spindle are identifiable whether the tools are large or small ones. A combination of a tool held in the spindle and a tool commanded by NC data is discriminated to selectively perform a normal or special cycle of a tool change operation.

REFERENCES:
patent: 3689820 (1972-09-01), Takegawa
patent: 3744124 (1973-07-01), Gardiner

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