HHO Flame Brazing for Transformer Busbar & Lead Wire Welding

Description:

The hho welding machine delivers a finely controlled flame for precision fusion of lead wires, terminals, and enameled windings in transformer applications. Joints are smooth and consistent with minimal heat-affected zones, preserving adjacent insulation and insulating paper. On-demand gas generation eliminates high-pressure storage risks, enhancing workshop safety and air quality.

Ideal for power transformer, distribution transformer, and instrument transformer manufacturing and repair operations, our solution maintains welding consistency while lowering total operational costs. Engineered for continuous industrial use, it provides the process stability and reliability required in high-standard industrial environments.

Technical Parameters:

Model Number	OH5500
AC Voltage Requirement	380V
Phase	three phase
Rated Power	17.5 kw
Max. Gas Output	5500L/h(adjustable)
Max. Working Pressure	2 kg/cm2
Max. Water Consumption	5500L/h
Water Feed	auto
Dimensions - LWH	13008501670mm
Weight(kg)	520
Ventilation Space Requirement	400mm in each direction

Features:

1. Energy-Efficient & Environmentally Friendly, Reducing Overall Costs
Only water and electricity are consumed, eliminating procurement and storage costs for acetylene, oxygen, and other gases; combustion product is water vapor, meeting green manufacturing requirements.
2. Oxidation-Free Welding Ensures Conductivity
The hho flame has reducing properties, producing no oxides during welding, preventing increased contact resistance at joints, and ensuring low-resistance connections for transformer windings and leads.
3. Small Heat-Affected Zone Protects Insulation
Highly concentrated and precise flame delivers heat only to the welding point, without damaging adjacent insulation paper, varnish, or interlayer insulation materials, reducing the risk of turn-to-turn short circuits.
4. No Flux Required, Eliminating Residue Contamination
No flux is needed during welding, leaving no corrosive residues, preventing contamination of transformer oil and insulation systems, and improving product insulation performance.
5. Suitable for Various Conductive Materials
Enables stable welding of copper wire, aluminum wire, copper-aluminum dissimilar joints, copper busbars, and other materials, meeting the diverse conductive material combinations in transformer design.

Application:

1. Transformer Welding Applications

Transformer Lead Terminal Welding: Used for welding external leads to terminals on transformers, ensuring long-term operational reliability.
Copper Busbar to Winding Joint Welding: Suitable for fusion welding of copper busbars to winding ends in high-current transformers, providing high current-carrying capacity.
Foil Winding End Welding: Used for connecting foil winding ends to lead copper busbars in foil-wound transformers, ensuring uniform welding.
Winding Lead to Terminal Welding: Used for connecting transformer winding leads to external terminals, ensuring low resistance.
Magnet Wire Splice Welding: Used for repairing broken magnet wires or splicing for extended length; flame simultaneously strips insulation and welds.
Transposed Conductor Welding: Used for splicing or transposition point welding of transposed conductors in large transformers, ensuring uniform current distribution.

2. Other Welding Applications

Refrigeration Pipe On-Site Repair Welding: Used for pipe welding of refrigeration equipment such as AC units, refrigerators, and freezers at customer sites or after-service repair points, portable and flexible.
Electronic Component Lead Welding: Precise flame suitable for micro-welding of leads on electronic components such as relays, capacitors, and sensors.
Air Conditioner Manufacturing: Used for girth welding of U-bends to copper pipes in evaporators and condensers, ensuring airtightness.
Jewelry Welding & Repair: Precise flame suitable for spot welding of necklaces, rings, earrings, and repair of porosity defects.
Eyeglass Frame Welding: Suitable for precision welding of metal eyeglass frames at nose bridges, hinges, and temples.