Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools
Patent
1992-12-08
1994-08-09
Bradley, P. Austin
Cutting by use of rotating axially moving tool
Machine including plural tools
Plural, simultaneously operational tools
408 43, 408 53, B23B 3916
Patent
active
053360257
ABSTRACT:
A multi-spindle machine tool having separately and vertically movable first and second spindle units which are mounted on a main body thereof movable toward and away from a workpiece. A first vertically movable table is supported by a pair of guide rails provided on a frontal surface of the main body opposing to the workpiece. The first vertically movable table can be ascended and descended by a first actuator. A second vertically movable table is supported by a pair of guide rails provided on a frontal surface of the first vertically movable table opposing to the workpiece. The second vertically movable table can be ascended and descended by a second actuator. The first and second spindle units are fixed onto the first and second vertically movable tables respectively. Thus, the area of the first vertically movable table to be supported by the main body can be set to a relatively large value and the rigidity of the first vertically movable table can be kept effectively. Further, the rigidity of the second vertically movable table can also be ensured, thereby making it possible to reliably hold the first and second spindle units and to efficiently carry out various machining processes.
REFERENCES:
patent: 2757560 (1956-08-01), Ridgway
patent: 3543392 (1967-12-01), Perry et al.
patent: 4059162 (1977-11-01), Zbinden et al.
patent: 4730373 (1988-03-01), Senoh
patent: 4915549 (1990-04-01), Riddell
patent: 5076123 (1991-12-01), McConkey
Hata Syunroku
Homma Eiichi
Matsuo Kenzaburo
Matsuyama Taizo
Nakatsuka Kazushige
Bradley P. Austin
Honda Giken Kogyo Kabushiki Kaisha
Puknys Eric R.
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