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根据用户（渤海造船厂） 提出的在圆柱曲面的厚壁上切割大孔后须切坡口的技术要求，在数控火焰切割机中设计了新颖的摆动机构，并对机构进行了运动分析与计算，经过调试及试切后得到了令人满意的工程效果．
According to the technical requirements of the user (Bohai Shipyard) for cutting bevel after cutting large holes in the thick wall of cylindrical curved surface, a novel swinging mechanism is designed in CNC flame cutting machine, and the mechanism is analyzed and calculated , After debugging and cutting test has been satisfactory engineering results.