斜齿轮盘形铣刀
helical gear dick-type cutter
直齿斜齿轮衍生床
straight bevel gear generator
齿轮轮齿接触印痕
gear tooth contact pattern
齿轮铣刀
tool trolleys
gearcutter
milling cutter of gears
gear cutter
From milling cutter of involute gear
gear milling cutter
gear mill
复合轮齿齿轮副
complex wheel teeth gear set