Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
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:
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patent: 4413938 (1983-11-01), Kuczenski
patent: 4596502 (1986-06-01), Cattani
Dobat Daniel F.
Smith Michael D.
Benefiel John R.
Bilinsky Z. R.
Eifler Raymond J.
The Cross Company
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