Multiple spindle rotary indexing machine tool

Details Multiple spindle rotary indexing machine tool Multiple spindle rotary indexing machine tool

1980-08-28

1982-09-28

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

With means to feed work intermittently from one tool station...

82 2B, 82 2D, B23B 1304, B23B 912

Patent

active

043510965

ABSTRACT:
The disclosure relates to an improvement in multiple spindle, single drive, rotary indexing machine tool systems. The basic machine comprises a fixed circular base and a central, upwardly projecting column. An indexing circular worktable is mounted on the base, for incremental, rotary indexing movements about the central column. The worktable carries a number of rotatable, work-holding chucks or spindles, which are progressively indexable with the worktable from a loading station progressively through a series of rotationally displaced work positions. Pursuant to the invention, one of the work stations is arranged to be mechanically independent of the primary machine drive and is provided with a tool slide with independent, numerically controlled motors for X and Y axis tool movement, and a third independent motor for spindle rotation. The three motors at the final work station are coordinated by a computerized numerical control system, in itself of a known design, so that the final finish machining step may include a variety of operations not otherwise possible, such as complex contouring, threading, and the like. Additionally, the CNC controlled machining operations may be carried out in a manner to override the machining tolerance limitations which are otherwise inherent in the basic nature of the multiple spindle, rotary indexing type machine tool system.

REFERENCES:
patent: 2947188 (1960-08-01), Bullard et al.
patent: 3292466 (1966-12-01), Jacoby
patent: 3792633 (1974-02-01), Filipiev et al.
patent: 3854353 (1974-12-01), Cutler
patent: 4159660 (1979-07-01), Buckley et al.
patent: 4255991 (1981-03-01), Lambert

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