環(huán)紋滾刀可以實(shí)現(xiàn)高效率的徑向進(jìn)給滾齒加工.The ring teeth hob can realize high efficient radialfeedhobbing.重型移動(dòng)滾刀架, 長(zhǎng)行程.Heavy duty shifting hob head , with long shifting travel.齒刀是怎么演變成齒輪滾刀的.Transformation from Rack - type Geer Cutter into Ge...