Induction Heating aluminium susceptor

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Heating aluminium susceptor

Objective Expand powder into solid form for use in crash helmets
Material Microspheric powder
Aluminium chamber 110mm (4.3 in.) diameter x 35mm (1.3 in.) deep used to hold powder
Temperature 150 oC (302 oF)
Frequency 54.5 kHz
Process Time 20 seconds
Equipment . Power of 35 kW induction heating system, equipped with a remote workhead containing (4) 2.6 ƒÊF capacitors (for a total of 2.6 ƒÊF).
. Two pancake coils 110mm (4.3 in) dia. with 45mm (1.8 in.) gap, in a headphone configuration designed and developed specifically for this application.
Process The bottom of the susceptor chamber is sprayed with a release agent and microspheric powder is added to the chamber. The chamber is heated for 120 seconds to reach 150o C (302o F) changing the powder into solid form. It is then allowed to air cool to 70o C (158o F) and removed from the chamber.
Results/Benefits Induction heating:
. reduces cycle time for increased production
. energy efficient – only heating the part allowing small production runs
. is very flexible allowing a variety of molds to be used

Heating aluminium susceptor

Heating aluminium susceptor

PDF: Induction Heating aluminium susceptor

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