METHOD FOR PRODUCING CALIBRATED forgings The four-die- forging

摘要

1.method u043fu043eu043bu0443u0447u0435u043du0438u00a0 forgings in pressure u0447u0435u0442u044bu0440u0435u0445u0431u043eu0439u043au043eu0432u043eu043c u043au043eu0432u043eu0447u043du043eu043c device with holders of the upper, lower and side pins, comprising heating billets crude and u043au0430u043bu0438u0431u0440u0443u044eu0449u0443u044e forging her in the run with breaking pitches after every single u043eu0431u0436u0430u0442u0438u00a0 and u043au0430u043du0442u043eu0432u043au0430u043cu0438 between aisles, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, after u043fu043eu043bu0443u0447u0435u043du0438u00a0 u0437u0430u0433u043eu0442 u043eu0432u043au0438 in the raw fuel with a transverse u0441u0435u0447u0435u043du0438u00a0 f = (1.05 - 1.4) fn.where fn is the area of transverse u0441u0435u0447u0435u043du0438u00a0 u043au0430u043bu0438u0431u0440u043eu0432u0430u043du043du043eu0439 forgings, between u0434u0435u0440u0436u0430u0442u0435u043bu00a0u043cu0438 upper and lower pins placed rigid support or supports, and a u043au0430u043bu0438u0431u0440u0443u044eu0449u0443u044e forging u0441u0442u0432u043bu00a0u044eu0442 to u0441u043cu044bu043au0430u043du0438u00a0 u0434u0435u0440u0436u0430u0442u0435u043bu00a0 upper firing pin with a rigid pillar or pillars for the one or more openings.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u043au0430u043bu0438u0431u0440u0443u044eu0449u0443u044e forging u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 with u043au0430u043du0442u043eu0432u043au0430u043cu0438 billets after each u043eu0431u0436u0430u0442u0438u00a0 at angle of 5 to 45.