Objective
Induction Brazing carbide to steel parts
Equipment
DW-HF-15kw Induction Heating Power Supply
HLQ custom coil
Key Parameters
Power: 5.88 kW
Temperature: Approximately 1500°F (815°C)
Time: 10 sec
Materials
Coil-
2 helical turns (20 mm ID)
1 planar turn (40 mm OD, 13 mm Height)
Carbide-
13 mm OD, 3 mm wall thickness
Steel piece–
20 mm OD, 13 mm ID
Process:
- To demonstrate elimination of “hand feeding” the alloy, we formed the alloy into a ring to tightly fit over the center post tube. This method provides a uniform amount for each cycle, resulting in uniform joints and wetting.
- The custom made coil was then placed over the steel piece, where is was set for 10 seconds to heat the alloy.
- The alloy was heated at approximately 1500°F (815)°C
- The whole piece is left alone and cooled with ambient air
Results/Benefits:
- Induction Brazing was successful all in under 15 seconds with 8kW
- High quality and repeatability of the brazed joints
- Increased productivity
- Rings will need to be developed for specific joints to prevent the use of too much alloy
- Precise control of the time and temperature
https://dw-inductionheater.com/wp-content/uploads/2020/04/induction-brazing-carbide-to-steel-part-process-1024x819.png
https://dw-inductionheater.com/induction-brazing-carbide-to-steel-parts.html
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