High frequency induction brazing steel tube to steel fitting

High frequency induction brazing steel tube to steel fitting https://dw-inductionheater.com/high-frequency-induction-brazing-steel-tube-to-steel-fitting.html?feed_id=270445&_unique_id=67b9371943a90

High Frequency Brazing Stainless Steel Fittings

High Frequency Brazing Stainless Steel Fittings https://dw-inductionheater.com/high-frequency-brazing-stainless-steel-fittings-machine.html?feed_id=269952&_unique_id=67b3484dc80ed

Induction Brazing Steel Parts to Tungsten Carbide Plate

Induction Brazing Steel Parts to Tungsten Carbide Plate https://dw-inductionheater.com/induction-brazing-steel-parts-to-tungsten-carbide-plate.html?feed_id=269865&_unique_id=67b24b1830232

induction brazing stainless steel to steel

induction brazing stainless steel to steel https://dw-inductionheater.com/high-frequency-magnetic-induction-brazing-stainless-steel-to-steel-process.html?feed_id=268038&_unique_id=679993295bde0

Induction Brazing Stainless Steel To Brass

Induction Brazing Stainless Steel To Brass https://dw-inductionheater.com/product/induction-brazing-stainless-steel-to-brass?feed_id=262006&_unique_id=674788a06f3bc

Induction Brazing Steel Pipe

Induction Brazing Steel Pipe Objective: To heat a stainless steel pipe, ferrule and elbow assembly to 1400°F (760°C) within 20 seconds for brazing. Material 6"(152.4mm)long x 0.5"(12.7mm) diameter stainless steel conduit, 0.5"(12.7mm) long x 0.5"(12.7mm) diameter ferrule, 2"(50.8mm) elbow with 0.5" (12.7mm) diameter Temperature 1400°F (760°C) Frequency 400 kHz Equipment • DW-UHF-6KW-I induction heating system equipped with a remote workhead • An induction heating coil designed and developed specifically for this application. Process: A specially designed, three-turn helical coil is used to provide heat to the assembly at the braze joint area. Two small silver solder braze rings are placed at each joint; the joints are coated with black flux to insure that the braze material flows cleanly. The assembly is placed inside the coil and power is applied for 15 seconds to cause the braze to flow. Results/Benefits: Induction heating provides: • Consistent and repeatable results • No flame process • Faster process time https://dw-inductionheater.com/induction-brazing-steel-pipe.html?feed_id=253065&_unique_id=668a9431e0f3d

Induction Brazing Steel To Carbide Plate

Induction Brazing Steel To Carbide Plate Objective Brazing a steel piston valve assembly Material Steel piston valve 4.5” dia (11.43cm), tungsten carbide plate and braze Temperature 1350 ºF Frequency 100 kHz Equipment •DW-UHF-40kW induction heating system, equipped with a remote workhead containing six 1.0μF capacitors for a total of 1.5μF • An induction heating coil designed and developed specifically for this application. Process A five turn pancake coil is used to braze the piston valve and tungsten carbide plate. The assembly was heated for 10 minutes to flow the braze and join the two pieces. Results/Benefits Induction heating provides: • Rapid localized heat, which can minimize oxidation and reduce cleaning after joining • Hands-free heating that involves no operator skill for manufacturing • Clean and controllable joints • Produces high quality repeatable parts https://dw-inductionheater.com/induction-brazing-steel-to-carbide.html?feed_id=249813&_unique_id=666bdf20c06c2

induction brazing stainless steel to steel

High frequency magnetic induction brazing stainless steel to steel process

HLQ team was provided with 2 different parts to be brazed in our test laboratory.

Objective: Induction Brazing of a 0.15’’/ 3.81mm stainless steel pin to a steel base.

Equipment:  DW-UHF-6KW-III handheld induction brazing system 

Industry: Appliances & HVAC

Materials:

Steel hexagon (base 1’’/ 25.4 mm diameter; 0.1’’/ 2.54 mm wall thickness)

A stainless steel pin (0.15’’/ 3.81 mm)

Other Materials: 

All-purpose black brazing flux

Power: 1.43 kW

Temperature: 1400 °F/ 760°C

Time: 8 seconds

Process:

The two workpieces were carefully positioned together. All-purpose induction brazing black flux was added because it is ideal for high-temperature applications where rapid, localized heating is needed. The process of induction brazing was performed successfully within 8 seconds by using the  DW-UHF-6KW-III handheld induction brazing system, producing the induction heating power of 1.43 kW at 1400 °F/ 760°C.

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Induction Brazing Steel Parts to Tungsten Carbide Plate

Objective

Induction Brazing of Steel Parts to a Tungsten Carbide Plate

Equipment

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

Test 1

Materials
• Steel rod: 19.05 mm (0.75″) OD, 82.55 mm (3.25″) Length

• Tungsten Carbide Plate: 38.1 mm (1.5″) OD, 10.16 mm (0.4″) Thickness

• Alloy: 19.05 mm (0.75″) Brazing discs

Power: 4.0 kW
Temperature: Approximately 760° C (1400° F)
Time: 40 sec

Test 2

Materials
• Steel rod: 12.7 mm (0.50″) OD, 76.2 mm (3″) Length

• Tungsten Carbide Plate: 19.05 mm (0.75″) OD, 6.35 mm (0.25″) Thickness

• Alloy: 12.7 mm (0.50″) Brazing discs

Power: 2.36 kW
Temperature: Approximately 760° C (1400° F)
Time: 23 sec

Test 3

Materials
• Steel rod: 12.7 mm (0.50″) OD, 76.2 mm (3″) Length

• Tungsten Carbide Plate: 1″ OD, 1.39mm (0.055″) Thickness

• Alloy: 12.7 mm (0.50″) Brazing discs

Power: 2.36 kW
Temperature: Approximately 760° C (1400° F)
Time: 20-25 sec (Pulsing on/off)

Test 4

Materials
• Steel rod: 6.35 mm (0.25″) OD, 76.2 mm (3″) Length

• Tungsten Carbide Plate: 21.08mm (0.83″) OD, 1.65mm (0.065″) thicknes

• Alloy: 6.35 mm (0.25″) Brazing discs

Power: 1.96 kW
Temperature: Approximately 760° C (1400° F)
Time: 20 sec (Pulsing on/off)

Results and Conclusions:

Brazing of different steel parts to carbide disks is possible with one induction coil. Power was regulated by turning the heat on and off using a foot switch to prevent overheating of the carbide parts.

 

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