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Brazing of heat exchanger pipes

Home/Induction Heating Applications/Induction Brazing/Brazing of heat exchanger pipes
Brazing of heat exchanger pipes 2017-05-15T17:39:26+00:00

Brazing with HS-15

Objective
Induction brazing of copper pipes in a heat exchanger assembly using stationary C coil or U-braze system.
Target speed for assembling all 6 joints was 30 seconds, or approx 5 seconds per joints.
The requirement was to braze all the joints inside the housing without affecting the plastic covers.

Equipment
W15, HS-15SP
U-Braze Gun

Materials
• Copper tubing
• Brazing flux

Key Parameters
Temperature: approximately 1292°F (700°C)
Power: 15 kW
Time: 5 sec per joint
Frequency: 135 kHz

Process:

W15, HS-15SP, U-braze Gun and custom coil is suitable for brazing of custom samples.

Results/Benefits:

Prior to induction brazing, the customer was using flame brazing and had to braze the joints outside of the enclosure.
With the induction brazing, they were able to achieve the following benefits:

  • Braze inside the enclosure
  • Improve productivity of the brazing operation
  • Precise control of the time and temperature
  • Safe heating with no open flames
  • Higher energy efficiency

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