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zf8500 22 42 ye ya zhi jia ding liang han jie fang bian xing gong yi
Pages: 46-47
Year: Issue:  9
Journal: Coal

Keyword:  液压支架顶梁防变形工艺;
Abstract: 介绍了 ZF8500/22/42型放顶煤液压支架顶梁焊接的防变形工艺,防变形工艺包括采用 MAG 焊接的多层多道焊,选择合理的焊接参数,采用“X”及“Z”字形梯式交错焊接与包围和辐射相结合的焊接顺序,通过采用这些防变形工艺从而达到焊接结构件的变形和应力最小。
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