«Welder» Russia 2021 №03

News of engineering and technology ... 4

Repair technology

  • Repair of the body of the striker of a forging press with a force of 5000 tf. Part 1. Cutting a crack and surface preparation of body pieces for electroslag welding. V.M. Litvinov, A.E. Merzlyakov, S.N. Kosinov, A.A. Zadorozhny ... 6

Repair and heat treatment of welded joints

  • Repair of rotating bodies of ship machines and mechanisms by surfacing with subsequent local heat treatment at the Ilyichevsk ship repair plant, PJSC “ISRZ”. V.G. Levitsky ... 9

Repair equipment

  • Mobile device for mechanized two-electrode arc welding. A.V. Ganchuk, V.M. Ilyushenko, N.A. Korol ... 10

Equipment for the production

  • Oxy-fuel cutters TORN-Sh, TORN-RK and TORN-RKF for cutting of large scrap into dimensional pieces. V.M. Litvinov, Yu.N. Lysenko ... 12

Labor protection during thermal cutting and straightening

  • Occupational health and safety during thermal cutting and straightening, flame processing of materials in working conditions machine-building enterprises. V.I. Panov ... 15

Innovation in industry and welding production

  • On the need to intensify innovations in industry and welding production. Part 1. Industry. G.I. Laschenko ... 18

Personnel training

  • Features of teaching the discipline «Thermal cutting and straightening» of the module «Procurement and repair welding production» in the direction of training 03.15.01 Mechanical engineering. V.I. Panov ... 22
  • Scientific activity at SPbGMTU is successfully developing ... 24

Exhibitions and conferences ... 27

Memoirs about B.E. Paton

  • The task is to investigate the origins of electric arc welding and protect the domestic priority. A.N. Kornienko ... 30

Contribution of the E.O. Paton EWI in scientific and technological progress. In memory of the B.E. Paton

  • Welding and related technologies – for combat rocketry. Part 4. The rocket sword stopped the aggression. A.N. Kornienko ... 34