Tool turret

Details Tool turret Tool turret

1988-07-06

1989-07-18

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

With turret mechanism

29 53, 29 55, 74801, B23B 316

Patent

active

048479608

ABSTRACT:
Tool turret for NC automatic lathes comprising a turret body, in which a plurality of tool drive shafts arranged about a turret indexing axis are rotatably mounted, and comprising a main drive shaft coaxial to the turret indexing axis and in drive connection with the tool drive shafts via a miter gear arrangeed in the turret body, as well as a change-over gear for driving the tool drive shafts at different rotational speeds. In order to provide a space-saving and simple construction, the change-over gear is arranged in the turret body between the main drive shaft and the tool drive shaft and is designed as a gear adapted to be changed over only when at a standstill and having no idling state between the drive positions.

REFERENCES:
patent: 2682698 (1954-07-01), Berthiez
patent: 3750244 (1973-08-01), Smith
patent: 3845532 (1974-11-01), Smith
patent: 4087890 (1978-05-01), Ishizuka et al.
patent: 4302870 (1981-12-01), Schalles et al.
patent: 4704926 (1987-11-01), Boffelli
patent: 4769885 (1988-09-01), Nakano

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