齿轮轴指支承转动零件并与之一起回转以传递运动、扭矩或弯矩的机械零件。一般为金属圆杆状，各段可以有不同的直径。机器中作回转运动的零件就装在轴上。
行星齿轮轴架 planet wheel carrier ; pla wheel carrier ; plone of the wheels carrier
副轴齿轮轴承 countershaft gear bearing
小齿轮轴承 pinion bearing
齿轮轴滚柱轴承 gear shaft roller bearing
小齿轮轴 pinion shaft ; shaft pinion
齿轮轴线 Gear axis
齿轮轴向位移 Gear axial displacement
齿轮轴向平面 Gear axial plane
差速器主小齿轮轴承罩 differential drive pinion cage bearing
This paper is based on the two-dimensional drawings supplied by enterprise,create a solid model of the primacy gear shaft and the meshing driven gear by using three-dimensional modeling software Pro/Engineer.
文章在此基础上依据企业提供的二维图纸,在三维造型软件Pro/Engineer中建立某型号变速器的第一齿轮轴实体模型。
参考来源 - 变速器齿轮轴有限元及动力仿真分析The advantage of the gear axis with cold extrusion technology replacing metal cutting working production are narrated, and the technological analysis for the gear axis part is conducted.
叙述了采用冷挤压工艺代替切削加工生产齿轮轴的优点，并对齿轮轴零件进行了工艺分析。
参考来源 - 齿轮轴冷挤压工艺及模具设计 Cold Extrusion Technology and Die Design of the Gear Axis·2,447,543篇论文数据，部分数据来源于NoteExpress
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