Hydraulic elbow machine: the calculation of tube blank 返回首页

        Hydraulic pipe bend machine for pushing elbow process, generally occur bending and expanding two deformation, it should consider the size and thickness of finished elbow in elbow tube, the wall thickness is generally not changed, but sometimes there is a certain wall thickness reduction, so in the choice of blank, wall thickness is a little thicker,  prevent the pushing system due to reduction of local thickness. According to the size of the finished elbow, considering the expansion ratio and bending radius, the calculation of the size of the elbow pipe blank.

        The auxiliary equipment for hydraulic bend machine, first pushing tube is completed by band sawing machine , to shapping before cooling, press elbow diameter, wall thickness and meets the requirements. The finishing process, after shot peening, the elbow of the inner and outer surface of iron oxide removal, beveling the ends of the elbow for welding.

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