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Induction Brazing Alloy to Wire

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Induction Brazing Alloy to Wire 2017-04-05T12:30:09+00:00

Induction Brazing Alloy to Wire

Objective
The goal of the test application is induction brazing alloy to wire, with the wire as short as possible.

Equipment
UPT-S5, Ultraheat 5 kW Power Supply
HS-4 Heat Station
Plate concentrated coil

Materials
• Brazing paste (easy-flo 45)

Key Parameters
Power: 2.4 kW
Time: 4 Seconds
Frequency: 1173 kHz

Process:

  1. The first step of induction brazing alloy to wire, is to pre-tin the wires with paste using a torch.
  2. The alloys tips were cut as short as possible, and the brazing paste was placed on the contacts. (see figure 1)
  3. After preparing the wire, they were secured to the heater contacts which was going through the coil. (see figure 2)
  4. The induction unit was run for 4 seconds to complete the braze. (see figure 3)

Results/Benefits:
Induction heating provides:

  • Strong durable joints
  • Selective and precise heat zone, resulting in less part distortion and joint stress than welding
  • Less oxidation
  • Faster heating cycles
  • More consistent results and suitability for large volume production, without the need for batch processing
  • Safer than flame brazing

Pictures