Objective
Using a 7-turn induction ID coil, heat a 4.3” (10.922cm) ID steel tube to 700°F (371°C) in under one minute using the UPT-S2 and HS-4 Heat Station.
Equipment
UltraHeat SM2/200 and HS-4WU
Materials
• 4.5” (11.43cm) steel tube
• 7-turn induction coil, designed and manufactured by UltraFlex Power Technologies for this specific application.
• Tempilaq 650, 700, 750, used to confirm when desired temperature has been met.
Key Parameters
Temperature: 700 °F (371°C)
Process:
- The UPT-S2 Power Supply was connected to the HS-4 Heat Station. The custom-designed and manufactured Induction Coil was attached to the Heat Station.
- The Induction Coil was placed inside the steel tubing.
- The Power Supply was turned on.
- At approximately 25 seconds, the Tempilaq 650 indicating liquid (gold) “flowed”, indicating that 650°F (343°C) had been reached.
- At approximately 35 seconds, the Tempilaq 700 indicating liquid (beige) “flowed”, indicating that 700°F (371°C) had been reached.
- At approximately 55 seconds, the Tempilaq 750 indicating liquid (blue) “flowed”, indicating that 750°F (399°C) had been reached.
Results/Benefits:
Induction heating provides:
- Efficient method of applying localized heat directly to the part, often resulting in significant energy savings
- Short Cycle Times
- Small footprint for equipment, allowing easy integration into existing or planned production lines
Pictures
Video
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