Curing epoxy on aluminum copier roller assembly

Objective

Heat the end of an aluminum copier roller to 400 ºF (200 ºC) to cure epoxy

End Product

Copier roller

Equipment

• Ambrell 15 kW induction heating system, equipped with a remote workhead containing eight 1.0µF capacitors for a total of 2.0µF

• An induction heating coil designed and developed specifically for this application. 

Materials

Aluminum roller 4.75” (120mm) diameter, 2’ (0.6m) long with 1.5” (38.1mm) thick plug at end 

Temperature

400 ºF (200 ºC)

Frequency

112 kHz

Testing

A four-turn helical pancake coil is used to heat the end of the copier roller assembly. The assembly is heated 90 seconds to cure the adhesive. 

Benefits

• Faster process time

• Hands-free heating that involves no operator skill for manufacturing

• Even distribution of heat between tube and end plug 

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