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Information × Registration Number 0211U004935, 0110U002797 , R & D reports Title Laser welding of the root weld of steel pipe-type K60 (X70) in different spatial positions popup.stage_title Head Shelyagin Vladimir Dmitrievich, Кандидат технічних наук Registration Date 18-03-2011 Organization E.O.Paton Electric Welding Institute of the National of Sciences of Ukraine popup.description2 The technological methods of laser welding seam root compounds of pipe steels in three different positions. Completed development of techniques and technology of laser welding of root passes orbital joints of main pipelines to improve the quality of connections and process performance. The analysis of literary sources, identified promising technological methods, created by welding benches, made experimental studies of technological methods of laser and arc welding of pipe steels conducted metallographic study and determined the mechanical properties of welded joints. We worked out machinery and the technological methods of laser single-and dual-beam welding of butt joints and root welds in three different positions to increase quality and productivity of the compounds orbital welding of pipelines. Established ways of improving the formation of seams and eliminate scores by modifying the gas shield and the transition from single beam to a two-beam laser welding while maintaining the same heat input. Determined that the power density at a fixed rate of single-beam laser welding in the down position and the trigger "is close. When welding "to lift" the rate should be increased to 10 ... 15%, and welding in a horizontal position - to reduce by at least 10% relative to the welding speed in the down position. Forecast assumptions about the development of the object of research - the use of the results obtained for the development of industrial technological methods of laser and arc orbital welding of pipe steels. Product Description popup.authors Бернацький Артемій Володимирович Кузьменко Віталій Палович Курило Володимир Андрійович Лукашенко Андрій Германович Мохнач владислав Констянтинович Рибаков Анатолій Олександрович Сіора Олександр Васильович Файнберг Леонід Йосипович Хаскін Владислав Юрійович Шитова Людмила Генадіївна popup.nrat_date 2020-04-02 Close