Design method of subdivision-combination recipient under full prestressing field and structure thereof
A combined structure and extrusion cylinder technology, applied in metal extrusion forming tools, metal extrusion, metal processing equipment and other directions, can solve the design and manufacturing difficulties of combined cylinders and other problems, achieve compact structure, strong bearing capacity, reduce The effect of manufacturing cost
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[0020] Specific implementation method
[0021] Taking the design of a 360MN circular extrusion cylinder as an example, the technical solutions of the present invention are as follows:
[0022] 1) As attached image 3 , After selecting the material of each layer of the extrusion cylinder and the steel wire for winding, the size of the extruder frame and the size of the processed blank can be determined. b , R a , And the maximum internal pressure p amax , According to the principle of equal shear stress winding and no tensile stress on the inner wall, the thickness of the steel wire winding layer and the initial winding tension of each layer can be obtained.
[0023] 2) The thickness of each layer is selected by comprehensively considering the stress, heating and manufacturing difficulty.
[0024] 3) Complete the prestressed steel wire winding step of the extrusion cylinder according to the tension step.
[0025] 4) It is also possible to wind the outer cylinder and the inner liner fir...
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