High-precision cutting and boring mill

Details High-precision cutting and boring mill High-precision cutting and boring mill

1997-11-25

1999-10-05

Pitts, Andrea L.

Turning

Radially moving rotating tool inside bore

82 14, 82 15, 82141, B23B 2700

Patent

active

059606878

ABSTRACT:
A Cutting & Boring Tool which is capable of performing both conventional milling and high-precision automated machining operations is disclosed. One preferred embodiment of the invention comprises a compact Boring Mill (200) which includes five independently controlled and operated drive mechanisms: a spindle rotation motor (202) for rotating a spindle (208), a Z-axis spindle drive motor (204), a tool bit advance mechanism (206) which functions like a continuously variable transmission and which regulates the radial advance of a tool bit (211) and X-and-Y axis motors (218, 220), which provide motion along the side-to-side (X) and front-to-back axes (Z). A variety of tool bits (211) may be employed to drill, bore and form internal and external contours in a workpiece (212) made from metal, plastic or a composite material. The invention is extremely useful as part of an integrated CNC Machining System.

REFERENCES:
patent: 3592553 (1971-07-01), Heizer
patent: 3710659 (1973-01-01), Pagella et al.
patent: 4250775 (1981-02-01), Jerue et al.
patent: 4375773 (1983-03-01), Liermann
patent: 5120167 (1992-06-01), Simpson
patent: 5396821 (1995-03-01), Okumura et al.
patent: 5692421 (1997-12-01), Rohrberg

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