Донбасская Государственная Машиностроительная Академия
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A method for manufacturing high-quality billets from ingots without a sinkhead consists in broaching an upset billet by a hollow piercer, and upsetting the ingot without sinkhead is made by an upper flat plate and a lower plate with a hole, after which all the metal of axial zone of the billet together with the formed shank is removed.
UAU201109301U2011-07-252011-07-25Method of manufacturing high-quality billets from ingots without sinkhead
UA69058U
(en)
Rolled steel that hardens by means of precipitation after hot-forming and/or quenching with a tool having very high strength and ductility, and method for manufacturing same