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- High-Temperature Electric Furnace Brazing
- Used for soft brazing of small, simple, or very thin parts.
- Wave Soldering
- Used for mass assembly of printed circuit boards (PCBs) and electronic components.
- During soldering, molten solder at around 250 °C forms a wave under pump pressure, and the workpiece passes through the wave to achieve soldering.
- This method is highly productive and suitable for automated production lines.
- Flame Brazing
- Uses a flame generated by burning a combustible gas with oxygen or compressed air as the heat source.
- Equipment is simple and easy to operate; multiple flames can be used simultaneously depending on the workpiece shape.
- Suitable for medium and small components such as bicycle frames and aluminum kettle spouts.
- Dipping Brazing
- The workpiece, partially or entirely, is immersed in a brazing bath covered with flux or in a molten salt bath for heating and brazing.
- Provides uniform, rapid heating with precise temperature control, suitable for large-scale production and large components.
- The salts in the bath are usually composed of flux; post-brazing cleaning is labor-intensive due to residual flux.
- Vacuum Furnace Induction Brazing
- Uses high-frequency, medium-frequency, or power-frequency induction currents as the heat source.
- High-frequency heating is suitable for thin-walled tubes.
- Coaxial cables and split-type induction coils allow brazing at sites away from the power source, especially for large components like removable pipe joints on rockets.
- Furnace Brazing
- Assembled workpieces with brazing filler are heated in a furnace, often with flux and sometimes under protective reducing or inert gas.
- Provides relatively uniform heating; continuous furnaces can be used for mass production.
- Vacuum Brazing
- The workpiece is heated inside a vacuum chamber.
- Mainly used for high-quality products and materials that are prone to oxidation.
