Annealing copper tubes
  • Annealing copper tubes

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Manufacturer: DACPOL SERVICE

Annealing copper tubes

Annealing copper tubes to create formed tubes and pipes

Objective To heat a variety of copper tubes for annealing applications; the end products are formed tubes and pipes for various industrial uses
Material Customer supplied copper tubes (height up to 5.5”/ 140 mm and a diameter up to 0.7”/ 17.8 mm)
Temperature 649°C
Frequency 24kHz
Equipment
  • Ambrell EKOHEAT 100 kW, 15-40 kHz induction heating system equipped with a remote workhead containing eight 10 μF capacitors for a total capacitance of 20 μF
  • A multiple position ten-turn helical induction heating coil
Process Initial testing was conducted to optimize the power delivered to the tubes. An EKOHEAT 35 kW/30 kHz induction power supply was used and the power requirements for actual production were calculated based on testing.
With a 100 kW power supply, copper tubes – up to the largest diameter required – can be heated to temperature within five seconds. A prototype coil was used during testing.
Results
  • Speed: Copper tubes of various geometries heated to temperature in a matter of seconds
  • Repeatability: Induction offers the same result every time, which makes it ideal for a potentially high volume process such as this one.
  • Footprint: Induction requires a minimal footprint so it’s easy to integrate into production environments.
  • Ambrell Lab Expertise: The client leveraged the lab to come up with the right induction solution based on their production requirements
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Annealing copper tubes to create formed tubes and pipes

Objective To heat a variety of copper tubes for annealing applications; the end products are formed tubes and pipes for various industrial uses
Material Customer supplied copper tubes (height up to 5.5”/ 140 mm and a diameter up to 0.7”/ 17.8 mm)
Temperature 649°C
Frequency 24kHz
Equipment
  • Ambrell EKOHEAT 100 kW, 15-40 kHz induction heating system equipped with a remote workhead containing eight 10 μF capacitors for a total capacitance of 20 μF
  • A multiple position ten-turn helical induction heating coil
Process Initial testing was conducted to optimize the power delivered to the tubes. An EKOHEAT 35 kW/30 kHz induction power supply was used and the power requirements for actual production were calculated based on testing.
With a 100 kW power supply, copper tubes – up to the largest diameter required – can be heated to temperature within five seconds. A prototype coil was used during testing.
Results
  • Speed: Copper tubes of various geometries heated to temperature in a matter of seconds
  • Repeatability: Induction offers the same result every time, which makes it ideal for a potentially high volume process such as this one.
  • Footprint: Induction requires a minimal footprint so it’s easy to integrate into production environments.
  • Ambrell Lab Expertise: The client leveraged the lab to come up with the right induction solution based on their production requirements
Less
Read more