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Follow on Google News | UltraFlex preheating cast iron parts to 240°C (464°F) using induction heaterThe process had been completed within the required time frame, while at the same time being times more energy-, time- and hence, cost-efficient compared to traditional, flame-based preheating.
Preheating is a process often applied before welding. It helps achieve softer weld metal with better resistance. For this preheating process the part was required to be evenly preheated to the target temperature of 240°C (464°F), within a maximum of 10 minutes. UltraFlex application engineers considered that an UltraFlex induction heater from UltraFlex UltraHeat SM series would be most appropriate for this test scenario. UltraHeat SM are compact 5kW induction heaters that operate with either a water-cooled or air-cooled remote heat station. They feature adaptive digital phase control providing efficient operation in a wide frequency range. At power of 5 kW, within 4 minutes the heated part reached temperature of 123°C (253°F). The target temperature of 240°C (464°F) had been reached on the 10th minute, with homogeneity being obtained 1 min after the end of the preheating process. The part was then left to cool off on free convection cooling for 2 mins 30 secs. The measured surface temperature was thus reduced to 200°C (392°F). This preheating application test proved induction heating could successfully be used for preheating of cast iron parts. The process had been completed within the required time frame, while at the same time being times more energy-, time- and hence, cost-efficient. Moreover, the UltraFlex induction heater used for this preheating is an extremely compact system that saves space and ensures precise results. Operating UltraFlex induction heaters is extremely easy and hence, operator skill is no longer a factor affecting the quality and repeatability of the induction heating result. Find out more at: https://ultraflexpower.com/ Contact us at: +1.631.467.6814 uptnews@ultraflexpower.com About UltraFlex Power Technologies: UltraFlex Power Technologies (ultraflexpower.com) End
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