Compact multiple spindle boring head with quick change tool supp

Details Compact multiple spindle boring head with quick change tool supp Compact multiple spindle boring head with quick change tool supp

1980-11-21

1985-01-15

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Machine including plural tools

Plural, simultaneously operational tools

279 77, 279103, 408 53, B23B 3920

Patent

active

044935951

ABSTRACT:
A multiple spindle boring head including a plurality of boring spindles simultaneously radially positionable relative to a central boring head axis by a plurality of associated lead screws which are mounted for rotation but not translation relative to their respective longitudinal axes, whereby the overall radial extent of the boring head remains constant relative to the boring head central axis as the boring heads are adjusted radially. In one embodiment, a pair of multiple spindle boring heads are mounted adjacent one another on a boring machine equipped with an indexable work table to permit simultaneous operations on two work pieces. A quick change tool support means is disclosed to permit very rapid change of tools in each boring spindle without requiring the use of a positioning jig.

REFERENCES:
patent: 322969 (1885-07-01), Reiss
patent: 796177 (1905-08-01), Bean
patent: 2329587 (1943-09-01), Bullard et al.
patent: 3460412 (1969-08-01), Clausen et al.

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