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发明授权
CN102191815B 一种多曲率半径弯扭钢管的制作方法 有权

一种多曲率半径弯扭钢管的制作方法
摘要：
本发明公开了一种多曲率半径弯扭钢管，它由两个或两个以上曲率半径小分段构成。本发明还提供了上述弯扭钢管的制作方法，具体步骤为：多曲率半径弯扭钢管做出整体模型；将整体模型按照单个曲率半径划分成小分段；两个或两个以上小分段划成一个分区，一个分区放在一根钢管上加工成型；制作弯扭钢管的组装胎架，将完成的分区吊装上组装胎架，定位组装焊接。本发明所述的多曲率半径弯扭钢管造型美观，过渡顺滑；本发明所述的方法与常规加工方法相比，减小了弯扭钢管的接头数量；节约了工时和能源；大大提高了弯扭钢管的质量，延长了使用寿命。
摘要（英）：

The invention discloses a multi-curvature radius twisted steel pipe. The twisted steel pipe consists of two or more curvature radius subsections. The invention also provides a making method of the twisted steel pipe. The method comprises the following steps of: making an integral model of the multi-curvature radius twisted steel pipe; dividing the integral model into subsections according to single curvature radius; dividing two or more subsections into a subarea, placing the subarea on a steel pipe, and machining and shaping; and making an assembly jig frame of the twisted steel pipe, hoisting the finished subareas onto the assembly jig frame, positioning, assembling and welding. The multi-curvature radius twisted steel pipe has attractive shape and smooth transition; compared with the conventional machining method, the method reduces the joint number of the twisted steel pipe; working time and energy are saved; and the quality of the twisted steel pipe is greatly improved, and the service life of the twisted steel pipe is prolonged.

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