Hebei billion gold piping | [price] big bend | Large elbow provided by Hebei billion gold piping. We are Hebei billion gold Pipe Manufacturing Co., Ltd. (www.yijinguanjian.com) here: Hebei Cangzhou specializes in: insulation joints, insulating flange, flanges, elbows, head, tee, head, Stone, bending, etc. tube processing of new technology: free bending bending process: freedom bent elbow new technology is mainly used in the automotive industry. Its structural principle as shown. Z direction by the bending mainly fed through the guide die and the bending die is completed, the mold is bent through a ball bearing and is connected to the guide die. When the elbow, just change the ball bearing X by AC servo motor, Y-axis direction can be. Free bending of large pipe bending process model has many advantages, such as a bending speed with fast, even in the case where only small amount of transition bend the plurality of curved or spiral tube is also without re-clamping member to completely follow from definition of the geometry of the curved forming. And it is particularly suitable for bending profiles and pipes, which makes freedom elbow bent more suitable for automotive parts manufacturing. No mold bending elbows: For large-diameter, thick-walled and high-strength steel pipe elbow bending processing of large manufacturers, the most appropriate way is to die without bending. No local heating of the mold instead of using the curved bending mold and the mandrel bending tools such methods. Large bends different heating rates can be divided into frequency induction heating elbow bends and two flame. The principle is the IF frequency induction pipe in the trap tube, the tube current will depend frequency induction pipe is heated to a high temperature required for processing, then the large curved portion of the heating pipe, and the cooling water immediately after bending , to obtain the desired tube. Principle flame elbow bend with the same frequency, but is replaced by flame frequency induction heating coil to heat the coil tube.