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    The importance of mandril for elbow production

    The importance of mandril for elbow production

    elbow machine


    It is important to select suitable mandril and elbow machine.The mandril ACTS as the inner wall supporting the tortuous radius of the tube during the forming process of the elbow to prevent its deformation.Mandrel orientation also have must to pipe winding forming impact: in theory, the tangent of it shall be the bending pipe die tangent to the level, but there are a lot of experiments have confirmed that early 1 ~ 2 mm is better, bend the best quality at the moment.