少齿数大螺旋角圆柱齿轮主要参数如下: 1)m_n=1.25,Z=8,α=20°,β=74°5’左旋、精度等级8FL—JB179—83; 2)m_n=1.5,Z=17,α=20°,β=45°,精度等级8FL—JB179—83; 3) m_n=1.5,Z=15,α=20°,β=45°,精度等级8FL—JB179—83。在Y3150型滚齿机上加工时遇到几个难题:(1)刀架按被加工齿轮螺旋角的要求调整刀架后,其刀架左端或右端活动支承与工作台产生干涉,刀架垂直进给有效行程长度受到限制;(2)在外支架上的活动支 The main parameters of a large helix angle spur gear with fewer teeth are as follows: 1) m_n = 1.25, Z = 8, α = 20 °, β = 74 ° 5 ’L, accuracy grade 8FL-JB179-83; 17, α = 20 °, β = 45 °, accuracy grade 8FL-JB179-83; 3) m_n = 1.5, Z = 15, α = 20 °, β = 45 °, and accuracy grade 8FL-JB179-83. Y3150 hobbing machine in the processing of several problems encountered: (1) turret according to be processed gear helix angle adjustment turret, the turret left or right side of the movable support and work table interference support, turret vertical feed The effective length of travel is limited; (2) the activities of the stent outside the branch