Note: Inserting brass bushing into plastic wire connector

Objective:

Inserting threaded brass bushing into a plastic wire connector

End Product:

Equipment:

Ambrell 4.2 kW induction heating system, equipped with a remote workhead containing one 1.0µF capacitor.
An induction heating coil designed and developed specifically for this application

Materials:

Threaded brass bushing .437” (11mm) diameter, .687” (17.4mm) long
Plastic wire connector 4.375” (11.1cm) long, 1” (2.5cm) wide 

Temperature:

Brass bushing is heated to 500 ºF (260 ºC), 550 ºF (288 ºC), 600 ºF (315 ºC) and 650 ºF (343 ºC) to test torque, must hold 175 in/lbs

Frequency:

322 kHz

Testing:

A three-turn helical coil is used to heat the brass bushing. The brass bushing is heated for 2 seconds and then placed on the wire connector & pressed into position.

Benefits:

  • Strong threaded connection

  • Fast, accurate and repeatable

  • Ability to heat very small areas within precise production tolerances

  • Even distribution of heating 

Inserting brass bushing into plastic wire connector

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