ZA蜗轮蜗杆的主动参数化精确3D数模设计

Design of the Initiative Parameterization Accurate 3D Model of ZA Worm gear and Worm

ZA型蜗轮蜗杆传动,其蜗轮齿面是复杂的蜗杆圆柱螺旋面的空间共轭曲面,蜗轮齿面数学方程描述复杂,参数化精确建模困难。依据蜗轮滚刀包络加工蜗轮齿面原理,协同运用CATIAV5平台的PDG、GSD、ASD、DMU SPA、DMU KIN 5个功能模块和knowledge工具,提出了用于ZA蜗轮齿面参数化精确数字建模的"以参控仿射曲线族为主导的多截面创成式复合构型方法",构建了拥有静、动态区域接触分析负反馈环节的主动可控参数化建模流程,为蜗轮蜗杆传动的高级CAE分析奠定了参数化精确3D数模基础。

The tooth surface of worm gear of ZA-type worm gear and worm transmission is spatial conjugate surface of complex worm cylindrical spiral surface,the mathematical equations describing of the worm gear tooth surface is complex,parametric accurate modeling is difficult.According to the principle of worm hob enveloping machining worm tooth surface,collaborative using the PDG,GSD,ASD,DMU SPA,DMU KIN 5functional modules and knowledge tools of CATIAV5 platform,the method of control the affine parameter family of curves to create a leading multi-section composite configuration 3Ddigital modeling used for precise parametric digital modeling of the ZA worm gear is proposed,a controllable parameter modeling processes with the negative feedback control of the contact analysis of the static and dynamic area is constructed,a foundation of accurate parametric 3Ddigital modeling for worm gear and worm transmission CAE advanced analysis is laid.