induction brazing copper and brass rods

induction brazing copper and brass rods https://dw-inductionheater.com/induction-brazing-copper-and-brass-rods.html?feed_id=270010&_unique_id=67b4458c8dc61

Induction Brazing Brass Tube to Brass Disk

Induction Brazing Brass Tube to Brass Disk https://dw-inductionheater.com/product/induction-brazing-brass-tube-to-brass-disk?feed_id=269285&_unique_id=67aa693f65bbc

Induction Brazing Brass Studs to Copper Pipes

Induction Brazing Brass Studs to Copper Pipes https://dw-inductionheater.com/induction-brazing-brass-studs-to-copper-pipes.html?feed_id=267748&_unique_id=67959eabde320

induction brazing brass pipe to brass part

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induction brazing brass pipe to brass part

Objective

High Frequency Induction Brazing brass pipe to brass part and a brass tip in under one minute using induction.

Equipment

DW-UHF-6KW-III handheld induction brazing machine

2 turns coil

Materials

• Wide brass part

• Brass pipe

• Silver-based brazing alloy, provided by customer

Test 1 – Pipe to wide part:

Key Parameters

Power: 4.4 kW

Temperature: Approximately 1400° F (760° C)

Time: 38 sec

Test 2 – Pipe to tip:

Key Parameters

Power: 4.4 kW

Temperature: Approximately 1400° F (760° C)

Time: 17 sec

Process:

Test 1

• The wide part and brass pipe are assembled and a brazing alloy ring is placed between them.


• The assembly is put inside the induction heating coil and induction heat is applied.


• The joint is completed in 38 seconds.

Test 2

• The tip and pipe are assembled and a brazing alloy ring is placed between them.


• The assembly is put inside the coil and induction heat is applied.


• The joint is completed in 17 seconds.

Results/Benefits:

Induction heating provides:

• Strong durable joints


• Selective and precise heat zone, resulting in less part distortion and joint stress than welding


• Less oxidation


• Faster heating cycles


• More consistent results and suitability for large volume production, without the need for batch processing


• Safer process than flame brazing

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Induction Brazing Brass Studs to Copper Pipes

Induction Brazing Brass Studs to Copper Pipes

Objective:

Induction brazing brass studs to copper pipes

The Client:

A manufacturer of coils for industrial heating applications.

Equipment:

DW-UHF-40KW Induction Brazing Systems – two modules.

Materials: Brass stud ( size:  25mm diameter, 20 mm height )

Power: 30 kW

The Process: 

The main challenge during this induction brazing process is to ensure that the design of the coil is one that eases the technician to position it in the most convenient way. The induction coil should allow for the second stud to be pre-heated without melting the first one.

First, the electrolytic copper section is wound on a steel former by a gas torch while an equal spacing between the turns is maintained. Then, the copper turn is heated close to the required temperature and while the power is ON, the technician should make sure to manually position the brass stud with the brazing ring at the designated centre. During the process of brazing, the induction coil is moving at a speed of 58 mm per minute – 33 kW.

If the power is increased, the speed changes accordingly.

Results and Conclusions:

• A fast, clean and safe induction brazing process


• Guaranteed repeatability


• Precise control of time and temperature

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