METHOD OF EXPANDING LARGE-DIAMETER TUBES

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 for processing metals pressure, specifically to the calibration line pipes of large diameter through their distribution (u044du043au0441u043fu0430u043du0434u0438u0440u043eu0432u0430 - u043du0438u00a0) and wms not be used in the production of other products, which u043fu0440u0438u043cu0435u043du00a0u044eu0442u0441u00a0 hydraulic or pneumatic jets. .the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 productivity process u044du043au0441u043fu0430u043du0434u0438u0440u043eu0432u0430u043du0438u00a0 without u0441u043du0438u0436u0435u043du0438u00a0 quality pipes through the stabilization of pipes at the step u0437u043au0441u043fu0430u043du0434u0438u0440u043eu0432u0430u043du0438u00a0.u0434u043bu00a0 during cyclic pitch pipes installed on the cart with the hydraulic mechanism of the u043au0430u043bu0438u0431u0440u0443u044eu0449u0438u0439 tool operation in each step of the implementation u0441u0442u0432u043bu00a0u044eu0442 for parameter u0434u0432u0438u0436u0435u043du0438u00a0 trolley with a pipe which is used as the maximum amplitude of their u043au043eu043bu0435u0431u0430u043du0438u00a0.this algorithm u0443u043fu0440u0430u0432u043bu0435u043du0438u00a0 pitch pipes provides reliable her overspeed in the front most position after u0432u044bu043fu043eu043bu043du0435u043du0438u00a0 step of that u043fu043eu0437u0432u043eu043bu00a0u0435u0442 os u0443u0449u0435u0441u0442u0432u043bu00a0u0442u044c lodge tube at the maximum step without the risk of u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 surface defects in the form of pipes at the border stations distribution. u 1u043b