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本文介绍采用《ＨＧＤ ８１Ａ机床大件有限无法计算程序》，分析对比计算三种横梁结构的刚度值。并得出了隔板数量、窗口面积对刚度影响的结论，可供设计龙门式机床时参考。
This article describes the use of “HGD 81A machine can not calculate the large pieces of the program,” analysis and comparison of the rigidity of the three beam structure. The conclusion that the number of baffles and the influence of the window area on the stiffness is obtained, which can be used as reference for design of gantry machine tool.