Note: Plastic Lawn Chairs
Objective:
To heat internally threaded steel inserts to a temperature above 650 °F for insertion into plastic lawn chair assemblies. Currently, the insertion is done with a type of locktite in approximately 3 - 5 seconds.
End Product:
Lawn chairs
Equipment:
Ambrell 1 kW induction heating system including one (1) remote heat station containing one (1) 0.66 μF capacitor, a 4-20 mA input fast ramp simulator, and a two (2) over two (2) double wound helical coil.
Materials:
Steel inserts (internally machine threaded)
PET Plastic
Temperature:
> 650 °F
Frequency:
297 kHz
Testing:
Through laboratory testing the Ambrell 1 kW induction heating system was found to provide the following results.
650 °F was reached with a heating cycle of 2.5 seconds with the use of a 4-20 mA input simulating a fast ramp circuit.
Quality insertion was achieved through the use of a two-over-two double-wound four-turn helical coil.
Heating cycle times can be reduced by using the Ambrell system
Benefits:
Visit our Applications Lab to learn more about free applications testing.
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