Fire box welds...

inkjunkie · Joined: 02 Mar 2015 Posts: 17

Any thoughts on welding both sides of where one plate meets another?

k.a.m. · Posted: Sat Jul 04 15 1:33 am Post subject:

If you are lapping and grinding smooth then I would weld out the inside. I weld corner to corner and usually do not weld the inside.
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Smokin Mike · Posted: Sat Jul 04 15 4:09 am Post subject:

I welded outside and ground smooth.

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gandrfab · Posted: Sat Jul 04 15 9:32 pm Post subject:

The most hated part of my job is grinding.
I might use up 3 4" disks a year
my 6" disk is 8 or more years old and hardly looks used.
Very Happy

inkjunkie · Joined: 02 Mar 2015 Posts: 17

I ended up welding it from the inside. Planning on insulating the fb, may run it for a while first. Either way I may weld the outside joints now.
Far from a good welder. I am a bit in the dark as to hand placement for the outside welds. Course I am saying that sitting here drinking coffee, when I get it in front of me it may make more sense.

gandrfab · Posted: Sat Jul 04 15 11:07 pm Post subject:

As you start out make sure you have something to rest your hand on mig welding . or brace yourself well if stick welding.

practice practice practice
I will still do dry runs before I turn the heat on and weld.
And I'v been welding for 23 years.

Maniac · BBQ Super Pro Joined: 02 Oct 2010 Posts: 2432 Location: Pa

^^^Good advice^^^
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k.a.m. · Posted: Tue Jul 07 15 8:47 am Post subject:

gandrfab · Posted: Tue Jul 07 15 9:15 pm Post subject:

I have been working alone for the most part the last 5 years. My main stay is aluminum pipe work like this, it's a no grinding tig welding.

https://scontent-mia1-1.xx.fbcdn.net/hphotos-xfp1/v/t1.0-9/10527258_849537881752566_7243326380880756637_n.jpg?oh=df9012d5f27d657e5cf559f8dc1ccf23&oe=5615A15E

I'll grind when I need to but I hate every second of it.

k.a.m. · Posted: Tue Jul 07 15 9:19 pm Post subject:

gandrfab · Posted: Tue Jul 07 15 10:29 pm Post subject:

I have done most of it.
Started gas welding exhaust in my friends garage in my teens.
Then went to welding school stick was 1st then mig then tig
My list is long
S/S boxes for IBM main frames
I have parts on the apache helicopters
parts for the patriot missile
built airboats
news communication vehicles
trailers
road striping equipment
heavy stick and fluxcore 3" to 4" steel joints

That's just some of what I did before going self employed 13 years ago.
I have signed at least a half dozen nondisclosure agreements for some of the proto type work I have done.

I do have 2 miller 250's and a millermatic mig for aluminum and steel. and most recently a welder generator that runs great but needs parts.

Did I say I hate grinding?
Cool

k.a.m. · Posted: Tue Jul 07 15 11:56 pm Post subject: