已经有次观看 wencong在2014-09-24发布

Channel：Non-ferrous Metal 标签： Hobbing,  machining,  hobbing 

简介：Hobbing gear belonging generating method can be considered as non-backlash gear and rack drive. When hobbing revolution, which is equivalent to moving a rack in law cutter, hob continuous drive, like a rack of infinite length in continuous movement. When the blanks between the hob and in strict accordance with the gear hobbing rack gear ratio forced to engage the transmission, hob cutter in a series of locations on the envelope formed involute workpiece. With vertical hob feed, you can cut out the necessary rolling involute tooth profile.