Note: Pre-heating aluminum wheels (spray painting)

Objective:

This spray painting application requires pre-heating the material. Additionally, there is a requirement that the material must not cool below a certain target  temperature prior to the spray.

End Product:

Aluminum automotive wheels

Equipment:

Ambrell EKOHEAT 75/10 kW induction heating system, equipped with a remote workhead containing three 27 μF capacitors for a total of 81 μF
An induction heating coil designed and developed specifically for this application.

Materials:

Customer-supplied parts 

Temperature:

275 °F (135 °C)

Frequency:

8 kHz

Testing:

A multi-turn combination helical/pancake coil is used. The 22 in aluminum wheel is inserted into the coil and heated for 30 seconds to a temperature of 275 °F. When heating is halted, the part remains at or above 150 °F for 108 seconds, fulfilling the target heat requirement 

Benefits:

  • Uniform heat distribution over the wheel

  • Precise control of heating and pattern

  • Efficiency; reduced energy costs

Pre-heating aluminum wheels (spray painting)

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