Extrusion die and aluminum alloy profile extrusion method
An extrusion die and extrusion method technology are applied in the extrusion field of extrusion dies and aluminum alloy profiles, which can solve the problems of affecting the performance of aluminum alloy profiles, slow advancing speed of raw materials, and coarse recrystallization, etc. The effect of saving raw materials and uniform organization
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[0076] In this embodiment, a forward extrusion method is adopted to prepare a special-shaped aluminum alloy profile with a rounded rectangular cross section, wherein the extrusion die, method and composition of the aluminum alloy raw material used for preparing the aluminum alloy profile are as follows:
[0077] Preparation of extrusion dies for aluminum alloy profiles
[0078] Extrusion die used in this embodiment, such as figure 1 shown, including
[0079] Ontology;
[0080] Extrusion channel, the extrusion channel is set in the body and runs through the body; the extrusion channel includes diversion grooves, tapered grooves and working belts connected in sequence; the cross-sectional shapes of the diversion grooves, tapered grooves and working belts are the same;
[0081] Diversion groove, the top of the diversion groove is provided with a rounded rectangular opening, the opening size is 140mm×80mm, and the fillet radius is 11.5mm; the bottom is provided with a rounded re...
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