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Production Process of Heating Element

Source: Author: admin Time: 2014.10.13

To make a heater, there are a series of complicated procedures to go. Followed is a conclusion of the major processes. It will help you know more about heating element.


  1. Prepare the raw stainless steel material
  2. Wind the heating wire automatically
  3. Fill the MgO powder between the heating wire and heating wall evenly
  4. Shrink the pipe to diameter needed
  5. Peel the end part of each side
  6. Anneal tube: to heat the tube to certain temperature and keep it for enough time, then cool the heater with certain speed
  7. Empty the Mgo power at the end part
  8. Level the length of the lead rod
  9. In-process inspection 1: to inspect the high voltage, electric resistance and size
  10. Dehumidify the heater through oven with high temperature
  11. Polish the ends of the heater
  12. In-process inspection 2: to check the polishing
  13. Bend the heating tube to needed shape
  14. Weld the heater with needed fittings
  15. Dry the heater again in oven
  16. Inspect the insulation
  17. Polish the surface of heating element
  18. Seal the end
  19. Final inspection: power-on test, appearance test, size inspection
  20. Packaging


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