Main hydraulic cylinder columns and cross beams of hydraulic press are designed with finite element method.

采用有限元方法对液压机中的主液压缸、横梁和立柱进行结构设计。

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It can obviously decrease the press of the system in the situation of the output force and the diameter of the hydraulic cylinder is limited.

在输出力及液压缸直径一定的条件下，能显著降低系统的压力。

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The main cylinder of hydraulic press is ground by self-made belt grinding device. The method supplys grinding of deep blind hole a economic and reliable technology.

本文阐述了利用自制的砂带磨削装置，对液压机主缸内孔行进磨削加工。该方法为深盲孔的磨削加工提供了经济可靠的工艺方法。

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