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What is MIG Brazing?
MIG brazing is an adhesion process that uses the melted filler metal to adhere to the base material. This differs from MIG welding in that MIG welding is a fusion process, melting the filler metal and the base material together.
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MIG Brazing Facts
- Silicon Bronze is the type of wire used.
- Softer wire than what is used for steel.
- Uses 100% Argon gas, which is the same as Aluminum.
- CuSi is the material selection in SP welders.
- May be used on pulsed and non pulsed modes depending on the application.
- Used on open butt, plug welds, and slot type welds.
- Uses the capillary action on the backside for strength.
OEM Application Examples:
- Honda uses MIG brazing in many areas when working with UHSS and HSS steels.
- GM uses MIG brazing on newer Chevy Colorado and GMC Canyon aprons where it attaches to the hinge pillar.
- Toyota uses MIG brazing in non structural application such as Camry decklid.
- Jaguar Land Rover uses a lot of MIG brazing in areas with HSS and UHSS steels.
Why Do OEM's Like This Process?
- The minimal heat affect zone preserves the integrity of HSS and UHSS steels used in today's vehicles.
- Easy to train and easy to learn.
- Great corrosion prevention qualities.
Why Do Technicians Like This Process?
- MIG Brazing is becoming more popular among technicians because the process makes it easy to dress welds and it's quite simple to learn.
DON'T IGNORE OEM's
The dangers of ignoring an OEM's instruction can result in an unsafe repair or compromise the materials after the repair has been made.
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