mig and flux core tips and techniques, equipment, filler metal
noddybrian
- noddybrian
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Weldmonger
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Joined:Thu Jan 24, 2013 12:13 pm
Silver solder done well will hold something like this but would put a lot of heat in & the nature of the stresses created forming the drum part means they often distort badly out of round / true - if I had to solder / braze it then I'd use oxy/acet - not propane - yes Tig hates zinc but it's only a few thou that will clean off with chemical or abrasive & still welds OK ( unlike hot dip galv )- I thought the question was what would be the best / ideal method even though it's posted in the Mig forum - really any welding process will do it with experience - if I'm reading this post right & you don't own a welder now I question if the part is worth your expense buying one - if you were going to buy a Mig anyway & this is your first job I'd say yes you can use MIg but allow a fair bit of practice time prior to the actual job - if possible buy one that will take gas / solid wire even if you do this with fluxcore & yes fluxcore is quite tolerant of plating - it will just burn off in the cloud of other s#it that comes with that wire ! obviously it would be better to remove the plating first however it's going to get repaired.
YOu can easily remove the zink coating with some muriatic acid, one of the Easy Off oven cleaners (not sure which one) should also do the trick just let it sit for a while (in a plastic back or such so it wont dry off)
If you have not already bought yourself a welder... Do your friend a favor --- take it to a pro. Even if you have bought yourself a welder... Do your friend a favor and take it to a pro. I have been teaching myself to weld for over a year and I would never use something from a friend to learn on. The way I look at it when I screw something up that is practice material. If something holds together and works like I wanted that is a finished product. Neither would be for a friend unless they weren't that good of a friend.
- Wood Welder
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Active Member
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Joined:Mon Jun 20, 2016 4:53 pm
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Location:Southern California
I would clean with detergent, then acetone, then scratch it up with 100 grit, then use a gel super glue. Harder than epoxy.
JB Weld would probably work cleaned the same way and you could use a popsicle stick to form a nice fillet.
Always prove your glue before gluing.
Zero heat distortion with gluing.
Most glue failures are due to improper prep.
Either glue can be released with enough heat.
JB Weld would probably work cleaned the same way and you could use a popsicle stick to form a nice fillet.
Always prove your glue before gluing.
Zero heat distortion with gluing.
Most glue failures are due to improper prep.
Either glue can be released with enough heat.
Lincoln 100 amp transformer MIG w/flux core wire
HF TIG w/no pedal for steel & stainless, Stick w/3/32 6011,7018
Formerly: Victor O/A and Lincoln 225 AC buzz box
Looking to upgrade
Bikes-XR250, CRF230
HF TIG w/no pedal for steel & stainless, Stick w/3/32 6011,7018
Formerly: Victor O/A and Lincoln 225 AC buzz box
Looking to upgrade
Bikes-XR250, CRF230
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