Brazing is a crucial process in joining metals, and there are two common techniques used: Torch Brazing and Furnace Brazing.
What are the Two Common Brazing Techniques? (Explained in 4 Simple Points)
1. Torch Brazing
Torch Brazing uses a gas torch to heat the filler metal and the base metals.
The heat from the torch melts the filler metal.
The molten filler metal flows into the joint through capillary action.
This technique is ideal for smaller, simpler projects.
It is easy to use and requires minimal setup.
Torch brazing can be done manually or with automated machines.
It is suitable for both low-volume and large-scale production.
2. Furnace Brazing
Furnace Brazing involves joining metallic materials using a molten filler metal in a controlled furnace environment.
The filler metal, which has a lower melting point than the base materials, is preplaced on the parts.
The parts are then loaded into the furnace.
The heat in the furnace melts the filler metal.
The molten filler metal infiltrates the joint through capillary action.
This method is perfect for mass production of parts.
It can be performed under various atmospheres such as exothermic, hydrogen, argon, and vacuum.
Furnace brazing ensures high braze joint integrity.
It is suitable for a wide range of applications including aerospace, defense, and medical industries.
3. Principle of Capillary Action
Both techniques rely on the principle of capillary action.
Capillary action draws the molten filler metal into the joint.
This ensures a strong bond without melting the base metal.
4. Differences in Scale and Environment
Torch brazing is more suitable for smaller projects.
Furnace brazing is optimized for large-scale production.
Continue exploring, consult our experts
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