Green Energy Company Leading the Future Dongil Brazing Co., Ltd. NEXT GENERATION PLATE HEAT EXCHANGER
Overview and Principle of brazing
“Mass production through automation, The Dongil Brazing of technology accumulated over 35 years will be ahead of us.”
process Dongil Brazing Co., Ltd. Conducts a series of work directly within the company, including mold design ▶ mold fabrication ▶ press processing ▶ assembly ▶ brazing (vacuum, continuous hydrogen) ▶ various testing works.
App Field
  • Parts
    • Semiconductor
    • Automobile
    • Refrigeration, Air Conditioning
    • Air conditioner
    • Aircraft
    • Electronics
    • Compressor
  • Brazing
    • Copper
    • Nickel
    • STS
    • Titanium
  • Junction Field
    • Supernova and Diamond
    • Glass, Ceramic
  • Other.
    • Fuel line
    • Brake
    • Heater flow
    • Gear flow
  • Can be bonded between dissimilar metals as well as homogeneous
  • Reduce costs and enable design of various parts : It is easy to join products of different sizes and thickness to reduce cost and design various parts.
  • Strong joint strength : Stainless steel can be designed with tensile strength over 130,000 PSI
  • Ability to create beautiful and exquisite joints
  • Maintaining various properties such as cleaning, confidentiality, internal corrosion, etc : Because the joints are metallurgical, they can be made to have various properties such as ductility, shock resistance, vibration tolerance, confidentiality, thermal conductivity, and corrosion resistance
  • Mass production is possible through automation
Furnace brazing operation
Furnace brazing features
  • The whole product is heated up in Furnace.
  • Precise temperature control is relatively easy and uniform quality can be achieved.
  • Be suitable for mass production.
  • Can get a clean product because the product does not oxidize during brazing.
  • For sealed products, it is recommended to remove the Flux.
  • High strength and good brazing point can be obtained.
  • Brazing complex products is easy.
Specification and Features of Vacuum Furnace
United States
Aber lpsen
vacuum furnace
  • No oxide is produced because brazing is done in a vacuum
  • High quality levels can be achieved by brazing by evaporating 100 percent of the oil content (look clean)
  • Charge size: W610×H610×D1,016mm
  • Loadings: 680kg (at 1,316°C)
  • Rapture, can be brazed without oxidation
  • Highly confidential brazing possible
  • Quality Improvement of Connections by Degas
  • Brazing of non-ferrous metals such as titanium and their alloys is possible
  • High quality heat treatment is possible
Treated steel species
  • High Speed Tool Steel (SKH, YXR, ASP, etc.)
  • Dais River (SKD11, SKD61, DC53 etc.)
  • Stainless Steel (SUS304, 316, SUS410, 420 etc.)
Specification and Features of Hydrogen continuous Furnace
  • MaxTemp.1120℃
  • W350xH300xL22,500
  • Japan Fujivac社
  • Mass-produced
  • Excellent confidentiality and corrosion resistance
  • Double metal bonding and material cost reduction
  • High-strength joint
  • Automation function
Treated steel species
  • High Speed Tool Steel (SKH, YXR, ASP, etc.)
  • Dais River (SKD11, SKD61, DC53 etc.)
  • Stainless Steel (SUS304, 316, SUS410, 420 etc.)