Method of producing pig-welded tubular billet of an alloy of titanium-based rolling cold rolled pipes more and an average diameter with high accuracy on the wall

摘要

1.method of manufacturing u043fu0435u0440u0435u0434u0435u043bu044cu043du043eu0439 u043fu0440u00a0u043cu043eu0448u043eu0432u043du043eu0439 pipe billets of alloys based on titanium u0434u043bu00a0 rolling u0445u043eu043bu043eu0434u043du043eu043au0430u0442u0430u043du044bu0445 large and medium diameter pipes with the enhancement u0448u0435u043du043du043eu0439 precision on the wall, including u0441u0442u0440u043eu0436u043au0443 leaf width, leaf plates, preparation of solutions for welding, forming the sheet parts in u0432u0430u043bu044cu0446u0430u0445 in duct per u0435u0434u0435u043bu044cu043du0443u044e blank u0434u043bu00a0 rolling pipes larger diameterwelding of longitudinal solutions to u043fu0435u0440u0435u043cu0435u0449u0430u044eu0449u0438u043cu0441u00a0 copper shoe in the protective environment of the same brand of argon u0440u0430u0441u0445u043eu0434u0443u0435u043cu044bu043c electrode alloy with improved external and internal u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 sutures, so that edges of the sheet parts by welding u0432u044bu043fu043eu043bu043du00a0u044eu0442 as unnatural line u043fu0440u0438u0442u0443u043fu043bu0435u043du0438u0435u043c, geometrical dimensions which u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 them in u044bu0440u0430u0436u0435u043du0438u0439;a = s / 3;c = (0.35 to 0.45) s;d = (- c) / 2,;d1 = (b1 - c) / 2,;k = k1 = and = s / 3;where s is the wall thickness of sheet billets, mm;;and the thickness of the welded u043fu0440u0438u0442u0443u043fu043bu0435u043du0438u00a0 solutions, mm;;with the gap between the u0441u0432u0430u0440u0438u0432u0430u0435u043cu044bu043cu0438 edges of sheet billets, mm;;d - value (width) cutting solutions under the welding external suture, mm;;d1 is the size (width) of cutting solutions under welding internal stitches, mm;;k = k1 = and - thickness cutting solutions external and internal stitches, mm.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the welding u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 on copper shoe with the accuracy of assembling solutions of 0.5 mm.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the roots of the internal joints u043fu0435u0440u0435u043fu043bu0430u0432u043bu00a0u044eu0442 not u0440u0430u0441u0445u043eu0434u0443u0435u043cu044bu043c electrode in a protective environment to argon.;4. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the geometric size of welds u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 of expressions;in = 30 - 35 mm;b1 = 25 to 30 mm.;h = (0.1 - 0.2) s;h1 = (0.05 - 0.1) s;where the width of the outer seam u043fu0435u0440u0435u0434u0435u043bu044cu043du043eu0439 pipes, plates, mm;;b1 is the width of the inner seam u043fu0435u0440u0435u0434u0435u043bu044cu043du043eu0439 pipes, plates, mm;;- strengthening the external suture u043fu0435u0440u0435u0434u0435u043bu044cu043du043eu0439 pipes, plates, mm;;h1 is the internal suture u043fu0435u0440u0435u0434u0435u043bu044cu043du043eu0439 pipes, plates, mm.