Tooling assembly for automatic tool changing

Details Tooling assembly for automatic tool changing Tooling assembly for automatic tool changing

1986-04-11

1988-12-06

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

408 36, 408 42, 408118, 409231, B23B 3126, B23C 526

Patent

active

047892803

ABSTRACT:
A tooling assembly (10) is disclosed having a plurality of tool holders (18, 20) for independently driven cutting tools (14, 16), the tooling assembly adapted for automatic insertion and removal from a spindle assembly (12). The plurality of cutting tools (14, 16) are disclosed as arranged to be able to simultaneously machine concentric round features on a workpiece (8), such as a valve stem guide bore (9) and valve seat (7). The tooling assembly (10) includes inner and outer tool bodies (30, 24) rotatably mounted together, each carrying a tool holder (20, 18), the tool bodies (30, 24) rotated at different speeds. A coupling arrangement for the tooling assembly includes an outer draw bar (82) moveable to couple the tooling assembly (10) to the spindle assembly (12), and an inner draw bar (84) separately coupled to moveable element (20) to enable independent axial advance of one of the cutting tools (14) by axial movement of the inner draw bar (84) and coupled moveable element (20).

REFERENCES:
patent: 677238 (1928-07-01), Kinney
patent: 3794437 (1974-02-01), Mazoguchi
patent: 4175894 (1979-11-01), Skrentner
patent: 4289430 (1981-09-01), Shashaty
patent: 4303360 (1981-12-01), Cayen et al.
patent: 4309925 (1982-01-01), Mottershead et al.
patent: 4413938 (1983-11-01), Kuczenski
patent: 4596502 (1986-06-01), Cattani

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