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History of Metowd High-Frequency Welding Technology

Group 1

Development history of the high-frequency Welding Machine

1st generation HF welding machine

  • Vacuum tube high frequency welder
  • Technical principle: SCR+vacuum tube

< year 2000

2nd generation HF welding machine

  • Solid state high frequency welder
  • Technical principle: SCR+ MOSFET

2004

2.5nd generation HF welding machine

  • Highly efficient switch welder
  • Technical principle: IGBT+ MOSFET

2014

3rd generation HF welder

  • SIC high-performance welding machine
  • Technical principle: IGBT+SIC

Since 2019

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