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本文介绍采用 ＨＧＤ ８１Ａ机床大件有限元法计算程序，计算了不同热源布置形式对立车立柱的温度场和热变形的影响，并对国内外几种同类型立车立柱在受热状态下的温度场和热变形进行了分析计算。
In this paper, the calculation program of the large-size finite element method of HGD 81A machine tool is introduced in this paper. The influence of different heat source arrangement forms on the temperature field and the thermal deformation of vertical column is calculated. The temperature field of several vertical lathe columns And thermal deformation were analyzed and calculated.