Hot-extrusion die for molding multi-core cavity aluminum alloy profile and flow supply method
A technology of aluminum alloy profiles and hot extrusion dies, which is applied in the field of metal supply and hot extrusion dies for multi-core cavity aluminum alloy profiles. Strength, machining accuracy can not be guaranteed, etc., to achieve the effect of convenient metal flow supply and metal flow direction, stable forming, and stable structure
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[0018] Using long-term accumulated practical experience and mold design expertise, the inventor of the present invention invented a metal flow method with independent internal and external flow based on the defects of the existing multi-core cavity aluminum alloy profile extrusion die. A hot extrusion die for forming multi-core cavity aluminum alloy profiles is proposed. The present invention will be further described below in conjunction with the drawings and embodiments.
[0019] The metal flow method of the present invention for hot extrusion molding of multi-core cavity aluminum alloy profiles is as follows: a combined upper mold composed of an upper mold and a lower mold is adopted, and a number of first shunt holes are arranged on the upper mold layer, and the lower mold The top end is provided with a third diversion hole coaxial with the inner mold hole, and a number of second diversion holes penetrating the upper and lower end faces of the lower mold, applying squeezing f...
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