Tag: aluminum welding
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ER5554 MIG / GMAW Filler Metal: Filler Metal Finder Notes
ER5554 MIG / GMAW filler metal is an aluminum wire used when the job calls for matching 5454-type aluminum service requirements. Treat it as a starting point for filler selection, not as…
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ER5183 MIG / GMAW Filler Metal: Filler Metal Finder Notes
ER5183 MIG / GMAW filler metal is a starting point for welding certain higher-strength 5xxx aluminum applications, especially where marine or structural service is involved. Do not treat the alloy designation alone…
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ER4047 MIG / GMAW Filler Metal: Filler Metal Finder Notes
ER4047 MIG / GMAW filler metal is a higher-silicon aluminum wire used in repair and fabrication work where the base metal, joint design, and service conditions support its use. Treat the filler…
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ER4043 MIG / GMAW Filler Metal: Filler Metal Finder Notes
ER4043 MIG / GMAW filler metal is a common aluminum wire used in fabrication and repair work on many 6xxx series applications. It is not a blanket answer for every aluminum job.…
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Hobart Spool Gun Support: Parts Lookup and Buying Checks
If you are servicing a Hobart spool gun, the main risk is not buying the wrong part by name. The risk is assuming the assembly matches because the tool looks similar. Hobart…
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Choosing Contact Tips for a Spool Gun
Spool gun contact tips have one job: carry welding current to the wire without adding feed resistance. If the tip bore, wire diameter, or thread style is wrong, the gun can feed…
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Spool Gun Wire Feed Problems
Spool gun wire feed problems usually come from drag, tension, poor setup, or damaged consumables. Aluminum wire is soft, so small resistance changes can stop feed, cause birdnesting, or make the arc…
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Push Pull Gun Birdnesting at the Drive Rolls
Birdnesting at the drive rolls in a push-pull aluminum setup means the wire is buckling before it enters the drive system or liner correctly. The cause is usually excess resistance, poor drive…
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Push-Pull Gun Wire Feeding Problems
Push-pull gun wire feeding problems are commonly caused by liner drag, incorrect drive roll tension, spool drag, feeder synchronization issues, and worn contact tips.
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Spool Gun Contact Tip Wear Symptoms
Spool gun contact tip wear symptoms include burnback, unstable arcs, erratic wire feed, spatter, aluminum sticking, and inconsistent weld performance.