The design of a die set, incorporating a hydraulic circuit is described, which allows press forging in completely closed cavities. The characteristics of the tool, when subjected to a range of practical forging variables, are investigated. Use of the die set for extended production runs shows that it is sufficiently robust for general work in drop forges.
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References
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DeanT. A.The feasibility of flashless forging, Metallurgia and Metal Forming, 1977, 44, Nos. 11 and 12, 488–498 and 542–544.
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ANON‘Sanksmidning utan skagg’ (Flashless die forging), IVF-Resultat 74602, Jan. 1975.
