Brazing Aluminum Tubes with Induction Heating

Induction Brazing Aluminum Tubes with High Frequency Induction Heating The novel applications areas of induction heating require analyzing the temperature distribution inside the heated components taking into account the corresponding structures and the material properties. The finite element method (FEM) provides a powerful tool to perform such analyses and optimization of induction heating processes through … Read more

Brazing Aluminum Tubing to Aluminum Parts

Objective The objective of the application test is induction brazing aluminum tubing to aluminum parts in less than 15 seconds. We have aluminum tubing and an aluminum “receiver”. The brazing alloy is an alloy ring, and has a flow temperature of 1030°F (554°C). Equipment DW-HF-15kw induction heating machine Induction heating coil Materials • Aluminum … Read more

Induction brazing aluminum pipes

Objective High frequency induction brazing aluminum pipes Equipment DW-UHF-6kw-III handheld induction brazing machine Materials Аluminum to aluminum tube Flared at interface 0.25” (6.35mm) Brazed to steel tube 0.19” OD (4.82mm) Power: 4 kW Temperature: 1600°F (871°C) Time: 5 sec Results and Conclusions: Induction heating provides: Strong durable joints Selective and precise heat zone, resulting in less part distortion … Read more

Induction Brazing Aluminum Tube T Joints

High Frequency Induction Brazing Aluminum Tube T Joints Objective Induction brazing of multiple in line aluminum T tube joints for less than 10 seconds each and brazing an aluminum fitting into an aluminum tube 1.25″ (32mm). The application is about brazing of an aluminum tube assembly consisting of two parallel tubes with outer diameter of … Read more

Induction Brazing Aluminum to Aluminum Tube

Induction Brazing Aluminum to Aluminum Tube Objective Induction brazing of two aluminum pipes Equipment DW-UHF-6KW-III handheld induction brazing heater Materials Аluminum to aluminum tube Flared at interface 0.25” (6.35mm) Brazed to steel tube 0.19” OD (4.82mm) Power: 6kW Temperature: 1600°F (871°C) Time: 3sec Results and Conclusions: Induction heating provides: Strong durable joints Selective and precise heat zone, … Read more

Induction Brazing Aluminum Automotive

Induction Brazing Aluminum Automotive

Objective: Heat aluminum for an automotive brazing application
Material: Aluminum tubing 0.50 (12.7mm) dia, an aluminum boss 1” (25.4mm) long, flux filled braze rings
Temperature: 1200 ºF (649 ºC)
Frequency: 370 kHz
Equipment • DW-UHF-10KW induction heating system, equipped with a remote workhead containing one 1.0μF capacitors for a total of 1.0 μF
• An induction heating coil designed and developed specifically for this application.
Process A multi turn pancake coil is used to heat the joint between the aluminum tubing and boss. The joint heats to temperature in 1.5 minutes and the braze ring melts forming a clean brazed
joint.
Results/Benefits Induction heating provides:
• Hands-free heating that involves minimal operator skill for manufacturing
• Flameless application
• Reliable, repeatable aesthetically pleasing braze joint
• Even distribution of heating

Brazing Brass to Aluminum with Induction

Brazing Brass to Aluminum with Induction

Objective: Copper ‘tees’ and ‘ells’ are to be brazed to the aluminum body of a refrigeration valve

Material customer’s valve copper fittings braze

Temperature 2550 ºF (1400°C)

Frequency 360 kHz

Equipment DW-UHF-10KW induction heating system including a workhead containing two 1.5μF capacitors (total 0.75μF) and a three-turn helical coil

Process The valve is placed inside the coil and RF power is applied until the part is heated to the required temperature and the braze is seen to flow into the joint. Two tube sizes were run using the same induction system settings with differing cycle times.

Results/Benefits • energy is applied only to the zone to be heated • heating of the joint/braze is uniform and repeatable