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Abstract <p>The initial modes of electroslag surfacing for obtaining an axisymmetric tubular blank with internal widening were investigated. It was shown that the distribution of the released thermal energy in the slag bath affects the formation of high-quality fusion. A full-scale experiment confirmed that high-quality fusion is formed when the end of the tubular base exceeds the level of the mandrel (pallet) by 10–12 mm. It was shown that the speed of electroslag surfacing is significantly higher than that of known additive technologies.</p>

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Electrical Modes of Resource-Saving Technologies for Forming Machine-Building Blanks

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • V. G. Kovalev,
  • V. A. Tarasov,
  • V. V. Afanasyev

摘要

Abstract

The initial modes of electroslag surfacing for obtaining an axisymmetric tubular blank with internal widening were investigated. It was shown that the distribution of the released thermal energy in the slag bath affects the formation of high-quality fusion. A full-scale experiment confirmed that high-quality fusion is formed when the end of the tubular base exceeds the level of the mandrel (pallet) by 10–12 mm. It was shown that the speed of electroslag surfacing is significantly higher than that of known additive technologies.