METHOD OF PREPARATION OF ROUND BILLETS MADE OF CARBON AND ALLOY STEELS FOR BROACHING

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to ferrous metallurgy and can be used in the production of u0434u043bu00a0 u0442u0440u0443u0431u043eu043fu0440u043eu043au0430u0442u043du043eu043c operation training u0442u0440u0443u0431u043du044bu0445 workpieces of various brands steel u0434u043bu00a0 subsequent firmware. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 reducing waste in pipe manufacture.in obtaining the billet crack long whips up u0440u0435u0434u0435u043b u00a0 ute the optimum length of u0434u043bu00a0 subsequent u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du0438u00a0 by u043fu0440u0438u0432u0430u0440u043au0438 for the next spin.