阐述了大同齿轮集团采用三维CAD，在其主导产品重型汽车变速箱设计中的应用。
Elaborates the application of three-dimensional CAD in their main Products-heavy duty automobile gear box, in Datong gear Group.
重型汽车等的轮边减速器大齿轮与半轴的联接，采用锥度直边三角花键联接较用渐开线花键联接具有很多优点。
It is much more advantageous to adopt a taper straight-side triangular spline than an involute one, for example, in linking up big gear of wheel bub reductor with axle shaft in heavy duty trucks.
主要从事轿车变速器、中重型汽车变速器、分动器、桥齿轮的研发、制造和销售。
Mainly be engaged in sedan gearbox, medium the heavy type car gearbox, cent move development, manufacturing and sale of machine, bridge wheel gear.
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