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[CN201821611932.X] A closed die forging die suitable for hot die forging presses.
[CN201821611932.X] A closed die forging die suitable for hot die forging press Title: A closed die forging die suitable for hot die forging press Application number: CN201821611932.X Applicant: Jiangsu Asia Pacific Anxinda Aluminum Co., Ltd. Application date: 2018-9-29 Patent type: Utility model This utility model relates to a closed die forging die suitable for hot die forging press, consisting of an upper die assembly and a lower die assembly; the utility model can avoid the problem of adding an additional ejection device to form vertical flash by traditional closed die forging. When the weight of the blank is large, the excess material flows out from the overflow bridge, thus avoiding the explosion of the mold and reducing the limit on the weight deviation of the blank. The overflowing flash is convenient for the trimming die to cut off, and the flash will not wrap on the punch to cause the parts to stick to the upper die assembly, its requirements for blanks can fluctuate in a large range, eliminating the weighing process, meeting the requirements of closed forging production, and it does not need to increase the back pressure device required for complex floating molds to prevent mold explosion, which greatly reduces the production cost of the mold and the production cost of the blank.
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