Note: Brazing Oil Suction Assembly with Copper Ring

Objective:

To heat an oil suction assembly (steel tubing and filter cap) to 1,850 F (1010 °C) within 15 seconds for a brazing application. 

End Product:

oil suction assembly

Equipment:

Ambrell 3.5kW induction heating system equipped with a remote workhead containing 0.66 μF capacitors
An induction heating coil designed and developed specifically for this application. 

Materials:

0.125 in (3.2 mm) diameter steel tube and filter cap assembly
high temperature brazing flux, copper ring. 

Temperature:

1850 °F(1010 °C)

Frequency:

281 kHz

Testing:

A two-turn, specially-contoured helical induction coil is used to heat the tube assembly near the joint area. A copper ring and high temperature flux are then applied to the joint area. Power is applied for 15 seconds until the braze flows.

Benefits:

  • Easy loading and unloading of parts

  • Heat very precise areas within production tolerances

  • Hands free heating that involves minimal operator skill for manufacturing 

Brazing Oil Suction Assembly with Copper Ring

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