1) lead ascending angle 螺旋线升角1. This paper starts the design and use of elliptical spherical hob,puts forward the definition of lead ascending angle of the hob,and gains calculating formulas. 从椭球形滚刀的设计、使用出发,提出了椭球形滚刀螺旋线升角的定义,并得出计算公式,从而引出椭球形滚刀...
Friction parametrization— Friction losses from nonideal meshing of gear threads Friction coefficient and geometrical parameters (default) | Efficiencies Lead angle— Thread helix angle 15 deg (default) | positive scalar Acme thread half angle— Thread half-angle 14.5 deg (default) | positive scalar ...