FIELD: process engineering.
SUBSTANCE: invention relates to rail automatic electric arc welding. Proposed apparatus consists of two devices. First device comprises the following mechanisms, i.e. filler wire feed mechanism, fusing tip holder head two-coordinate drive mechanism, and mechanism to clamp tip on rail. Second device serves to press and clamp strap that form root seam of rail bases, crystallisers that form weld seam along rail web and head generating lines, both being brought together and parted by controller-controlled mechanism. Every assembly is mounted and clamped on rail on opposite sides of butt joint. Welding head is made up of fusing tip holder. Relevant shapes of crystallisers and welding program are used to produce weld seam on rail web and head.
EFFECT: simple design, all-purpose application.
3 cl, 3 dwg
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