Internal milling machine for milling crank pins

Details Internal milling machine for milling crank pins Internal milling machine for milling crank pins

1979-05-09

1980-08-05

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Machine frame

409206, 409221, 51105SP, B23C 308

Patent

active

042159628

ABSTRACT:
The machine of the present invention is an internal milling machine designed to mill the crank pins and crank arm cheeks of heavy crankshafts to precise dimensions. Positively locked clamping systems are employed to rigidly fix the headstock at indexed positions on the machine ways and to rotatively lock the chuck at rotatively indexed positions. Both clamping systems are capable of shifting the headstock and headstock chuck to a final precisely located indexed position as the locking members are moved into their locking relationship.

REFERENCES:
patent: 2017927 (1935-10-01), Steiner et al.
patent: 2358389 (1944-09-01), Ewart et al.
patent: 2565787 (1951-08-01), Tennant
patent: 2633777 (1953-04-01), Hoern
patent: 3209623 (1965-10-01), Schardt
patent: 3336823 (1967-08-01), Bonzi
patent: 3878651 (1975-04-01), Nakada et al.

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