【多选题】Y3150E上滚切斜齿圆柱齿轮时,合成运动机构的速比为:( )。(注:U合1 为范成运动经过合成机构速比;U合2 为附加运动经过合成机构速比)When cutting helical gear on Y3150E, The speed ratios of the synthesis motion mechanism are as follows: ( ) and ( ) .
【判断题】Y3150E上滚切斜齿圆柱齿轮时,合成运动机构有2个运动输入端,2个运动输出端。When cutting helical gear on Y3150E, the motion synthesis mechanism has two motion input terminals and two motion output terminals.