Note: Tempering a steel chain
Objective:
Heating a steel link chain for tempering after hardening process
End Product:
Steel chain
Equipment:
Ambrell 30 kW, 100 kHz induction heating system, equipped with a remote workhead containing four 1.5 μF capacitors for a total of 6 μF
An induction heating coil designed and developed specifically for this application.
Materials:
Steel link chain, links are .33 in (8.38 mm) round stock, 1.14 in (29 mm) wide and 1.91 in (48.5 mm) tall
Temperature:
1760 °F (960 °C)
Frequency:
104 kHz
Testing:
A twenty-turn helical coil is used to heat the chain. The chain is fed through the coil at a rate of 1 meter per minute to reach the desired 1760 °F (960 °C) for the tempering process.
Benefits:
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Generation of heat directly into the part, saving energy and time
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Easy integration into production line to improve throughput
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Precise controllable heat
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Even distribution of heating
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