Multispindle-head machine tool

Tool changing – Including machine tool or component – Rotary spindle machine tool

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Details

483 51, 483 66, B23Q 3157

Patent

active

055428991

ABSTRACT:
A multispindle-head machine tool has a column, a plurality of multispindle heads each having a plurality of tools and an engaging member and an annular feed passageway supporting the multispindle heads for circulatory movement therealong. The annular feed passageway includes a pair of upper and lower fixed guide members supported on the column, and a movable guide member movable back and forth horizontally for interconnecting ends of the upper and lower fixed guide members near a machining position. A rotary actuator is provided together with a feed mechanism disposed around the annular feed passageway and movable to circulate along the annular feed passageway by the rotary actuator for moving the multispindle heads along the annular feed passageway. An actuator unit is mounted on the column in association with the movable guide member for positioning one of the multispindle heads which is held on the movable guide member in the machining position, and rotating the tools of one of the multispindle heads. A jig table is mounted on a side of the column and horizontally movable back and forth. The jig table includes an attachment jig for supporting a workpiece to be machined by the tools of one of the multispindle heads.

REFERENCES:
patent: 3760472 (1973-09-01), Kielma et al.
patent: 4110897 (1978-09-01), Hipweli et al.
patent: 4125932 (1978-11-01), Kielma et al.
patent: 4216572 (1980-08-01), Matsushita et al.
patent: 4510669 (1985-04-01), Ida et al.
patent: 4776081 (1988-10-01), Okunishi et al.
patent: 4877268 (1989-04-01), Jaissie et al.

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