Note: Bonding an Arthroscopic Device
Objective:
To use induction to bond (via heat staking) the device sheath to the collet. The innovative coil design was key to lifting the production rate.
End Product:
Arthroscopic Device
Equipment:
Ambrell EASYHEATTM 10 kW, 150-400 kHz induction heating system with a workhead and coil specifically designed for this application
Materials:
Customer-supplied arthroscopic components
Customer-supplied fixture and thermocouple
Temperature:
900 °F (480 °C)
Frequency:
334 kHz
Testing:
The sheath was placed in the metallic fixture. The heat-cycle was applied (on=300ms, off=6.5s). The heated sheath was indexed to insertion into collet. The feasibility of the application was successfully demonstrated.
Benefits:
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Localized, even heating of sheath reduces discoloration
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Innovative coil design eliminates fixture heating
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Reduced fixture heating permits metallic construction
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Metallic fixturing elevates the production rate
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Hands-free heating that involves no operator skill for manufacturing
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Rapid heating which can benefit production

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