在修理捷克进口OH6插齿机时,我们遇到如图1所示的扇形蜗轮,它的螺旋角β=0,所以在滚齿上加工很难实现。为此,我们在普通卧铣上,用单刀,间断展成法成功地加工出这种蜗轮。刀头设计:根据圆柱齿条的参数设计刀头(图2)。已知圆柱齿条参数:模数3毫米;压力角 When repairing the OH6 gear shaper imported from Czech Republic, we encountered a sector worm gear as shown in Figure 1, with a helix angle β = 0, so machining on hobbing was hard to achieve. To this end, we are in the ordinary horizontal milling, with single-pole, intermittent development method successfully processed such a worm. Tool head design: According to the parameters of the cylindrical rack design head (Figure 2). Known cylindrical rack parameters: modulus 3 mm; pressure angle