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COUPLED ELECTRICAL-THERMAL MECHANICAL ANALYSIS FOR ELECTRICAL/LASER HEATING ASSISTED BLANKING COUPLED ELECTRICAL-THERMAL MECHANICAL ANALYSIS FOR ELECTRICAL/LASER HEATING ASSISTED BLANKING

COUPLED ELECTRICAL-THERMAL MECHANICAL ANALYSIS FOR ELECTRICAL/LASER HEATING ASSISTED BLANKING

  • 期刊名字:機(jī)械工程學(xué)報(bào)(英文版)
  • 文件大?。?/li>
  • 論文作者:PENG Xianghe,QIN Yi
  • 作者單位:Department of Engineering Mechanics,Department of Design
  • 更新時間:2023-02-08
  • 下載次數(shù):
論文簡介

A coupled electrical-thermal-mechanical analysis is conducted for electrical/laser heating assisted blanking. Two novel localized-heating methods, electrical heating and laser-heating, recently proposed for small-part blanking, are investigated with FE simulations. Results show that electrical heating would result in an advantageous distribution of temperature in a 316 stainless steel work-material. A desired temperature distribution may also be achievable for a copper work-material,if laser beam is used. Both electrical heating and laser-heating enable to reduce the blanking force and increase the aspect ratio achievable by blanking. The simulation also demonstrates that both electrical heating and laser-heating can result in desired temperature-distributions at sufficiently high heating-rates, ease of implementation and application. Comparatively, electrical heating could generate more favorable temperature distribution for small-part blanking.

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