2023年10月15日星期日

Induction Heating Valve Head

Induction Heating Valve Head For Stress Testing With Induction Heating Equipment Objective To heat the face of an engine valve head to 900°F and maintain the temperature for an extended time, high temperature stress test. Material Engine valve head (two sizes), temperature sensing paint Temperature 900 °F Frequency200 kHz for large part; 271 kHz for smaller part Equipment DW-UHF-10KW Induction Heating power supply, remote heat station with one 0.66 mF capacitor, a specially designed, multiturn induction coil and an optical pyrometer. Process A specially designed multi-turn pancake coil was used to provide uniform heat to the part. To provide optimum coupling, the face of the valve head was placed approximately 3/8” away from the coil. RF induction power was applied for 4 minutes to heat the larger valve to 900°F; the smaller valve head required 2 minutes to reach the same temperature. For closed-loop temperature control, the optical pyrometer was then used to maintain the temperature at 900°F. Results Uniform and repeatable results were obtained with the DAWEI power supply and induction coil at 900°F. Depending on the part size, the correct temperature was reached in 2 to 4 minutes. https://dw-inductionheater.com/induction-heating-valve-head.html?feed_id=229086&_unique_id=652ca9a8881ad

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HLQ induction heating machine manufacturer provides the service of induction brazing,melting,hot forming,hardening surface,annealing,shrink fitting,PWHT,etc.