A special-shaped tube processing technology
A processing technology and special-shaped tube technology, applied in the direction of wire drawing die, etc., can solve the problems of complex processing technology and low processing efficiency, and achieve the effect of uniform heat absorption, high processing efficiency and good appearance effect
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0030] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, a special-shaped tube processing technology includes the following steps:
[0031] 1) Roller extrusion preforming: Select a hard round straight copper tube with appropriate size parameters as the special-shaped tube blank to be processed, and preform the special-shaped tube blank by roller extrusion to obtain the primary processing blank. The roller here is the existing equipment, and it extrudes the round and straight copper tube into a desired shape, such as an ellipse, by means of extruding with external force. During the extrusion process, the overall uniform force is required to ensure that the copper tube will not be wrinkled or scratched.
[0032]2) One-time drawing forming: Put the preliminary processing blank into the drawing die, and obtain the fo...
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