本文以多轴钻孔组合机床传动箱为实例，对系列产品装配图自动绘制的方法作了探讨。

This paper discusses the assembly drawing of series products as an example of the gear transmission of the multi-spindle head.

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通过建立多自由度行星变速机构的构件相对转速图，提出了一种多自由度复合行星传动方案设计理论和方法。

The design theory and method of multi-freedom compound planetary transmission scheme were presented based on component relative rotational speed diagram.

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考虑到液压传动系统的非线性特性，为了提高模型的准确性，采用了分布式物理图网建模方法建立液压系统模型。

In consideration of the nonlinear characteristics of hydraulic transmission system, the distributed physical net modeling method is applied to improve the accuracy of the model.

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