拉刀的断屑槽(如图1),是拉刀刀齿上的一部分,它对拉削时机床动力的消耗和工件表面光泽度以及拉刀的寿命都有影响。苏联专家包果祥同志建议我们磨光拉刀的断屑槽,但可以不磨出后角。我们根据苏联专家建议的精神,改进了砂轮杆,并选择了适当的砂轮,来磨制花键拉刀的断屑槽。磨花键拉刀断屑槽是在拉刀磨床(苏式360型)上进行的。拉刀的牙距是12 Broach chipbreaker (Figure 1), broach cutter teeth on the part of it on the broaching machine power consumption and workpiece surface gloss and broach life have an impact. Soviet expert Bao Guoxiang suggested that we polish the chipbreaker broach, but you can not wear off the horn. Based on the advice of the Soviet experts, we improved the wheel bar and selected the appropriate grinding wheel to grind the chip breaker of the spline broach. Spline broach chip breaker is in the broach grinder (Su-360 type) carried out. Broach tooth pitch is 12