METHOD OF BARE METAL-ARC WELDING OF T-JOINTS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to technology of arc welding electrode u043fu043bu0430u0432u00a0u0449u0438u043cu0441u00a0 u0442u0430u0432u0440u043eu0432u044bu0445 compounds and can be used in various u043eu0442u0440u0430u0441u043bu00a0u0445 of u0445u043eu0437u00a0u0439u0441u0442u0432u0430 the aim of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 good formation of weld by his u043au043eu0440u043du00a0 by u043eu0431u0435u0441u043fu0435u0447u0435u043du0438u00a0 full u043fu0440u043eu0432u0430u0440u0430 wall, improving the mechanical u0441u0432u043eu0439u0441 tv of welding joints in welding parts thickness from 6 to 40 mm.the way is that the wall u0432u044bu043fu043eu043bu043du00a0u044eu0442 unilateral cutting edge under the u0438u0437u043cu0435u043du00a0u044eu0449u0438u043cu0441u00a0 by u043au043eu0440u043du00a0 seam angle equal to 45 to 60, at a height of 5 to 6 m and gave its angle equal to 25 to 45 & deg; a wall set on the shelf with a separation equal to from 2 to 4.5 mm.the welding u043fu00a0u0442u043du043e heating have on the shelf behind the vertical plane of symmetry of the u043fu0435u0440u0435u0441u0435u0447u0435u043du0438u00a0 with elements equal to u0440u0430u0441u0441u0442u043eu00a0u043du0438u0438 from 0.7 to 0.8 half of the wall thickness, and moving it in the process of welding with a rate equal to 1.7 to 8.0 magnitude, the gap between the wall and the bottom.with manual arc welding, the clearance between the wall and the bottom set equal to from 3 to 4.5 mm, and the heating u043fu00a0u0442u043du043e move with the speed equal to the u0437u0430u0437u043e from 1.7 to 3.0 ra between the wall and the shelf method provides effective compounds at temperatures of 60 & deg; c, the reduction of the consumption of welding materials, pont u0438u0436u0435u043du0438u0435 inclination welds to the formation of cracks. 1 3.p, s - lu, 2).