Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1986-08-14
1988-06-14
Bilinsky, Z. R.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
51 52R, 51 56G, 409 57, B23F 520
Patent
active
047508485
ABSTRACT:
A gear cutter is provided as an accessory to a milling machine. A single gear cutting blade makes successive passes across a continuously rotating gear blank to cut a desired number of gear teeth. The cycle time of the cutting blade and the angular velocity of the gear blank are such that the gear blank increments a number of cut positions after each cut which number is greater than one and prime to the total number of gears to be cut. The accessory includes a pivotal and oscillating gear blank carriage. A blank on the carriage is rotated through change gears by a main timing shaft. The timing shaft also controls vertical movement of the cutting blade through a cam, a rack and pinion assembly and change gears. Further, through another cam the timing shaft controls retraction of the gear blank from the cutter blade. Proper selection of change gears enables cutting of gears of any pitch or diameter.
REFERENCES:
patent: 559011 (1896-04-01), Warren
patent: 825311 (1906-07-01), Flather
patent: 1609331 (1926-12-01), Trbojevich
patent: 1797227 (1931-03-01), Fickett
patent: 1953970 (1934-04-01), Miller
patent: 1964233 (1934-06-01), Uhlich
patent: 2486020 (1949-10-01), Graf
patent: 2599408 (1952-06-01), Miller
patent: 2659277 (1953-11-01), Miller
patent: 3916569 (1975-11-01), Wydler et al.
patent: 4565474 (1986-01-01), Charles
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