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橋式起重機是橫架於車間、倉庫與料場上空進行物料吊運的起重設備。因為它的兩端坐落在高大的水泥柱或者金屬支架上,形狀似橋。橋式起重機在工程上、生產中被廣泛應用,但使用過程中會出現許多問題。
在檢修過程中發現橋式起重機的焊接變形,其變形的控製成為迫切需要解決的問題。由於KBK懸掛起重機其截麵形狀為典型的箱型梁結構,其焊縫多,結構複雜,焊接應力和變形較大。如果不采取合理的設計及施工工藝方案**會在焊接過程中產生變形,從而嚴重影響焊接質量,甚至會導致結構無法正確的安裝和使用。

