TY JOUR TI DEVELOPMENT OF THE ADAPTATION FOR PRECISION WELDING OF COLLECTORS OF PACKAGE BOILERS KW Collector boiler economizer KW electric arc welding KW welding Opposite scheme KW welder KW arc welding mechanization JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Sanin, S.N. AU Kvashenkova, G.. AU Pelipenko, N.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov