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Welding Critique

Old 06-01-2018, 08:10 PM
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Default Welding Critique

I'm working on a trolling motor mount. I thought I found a guy to do a little tig welding. After getting played for three weeks this is what I wound up with. I'm not a welder but a fair mechanic. Am I being too critical expecting a much better pass? Looks like a rush job to me after lengthy delays for a minor job. Material is Aluminum 5052. Any estimates for a job such as this? Thanks.
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Old 06-01-2018, 08:16 PM
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Weld looks like doodoo. Take some clearer photos of it. The one is eat up with porosity. That's bad. The other is undercut bad.

Will it work? Probably.
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Old 06-01-2018, 08:23 PM
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That's some ugly tig, not the stacked dimes look that everyone likes

Low end $60 an hour, average $100 hr. Figure maximum 2 hours
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Old 06-01-2018, 10:02 PM
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Honestly Iíve seen worse on job sites. Run with it. Iím a CWI BTW
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Old 06-02-2018, 01:59 AM
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Thanks,all.
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Old 06-02-2018, 04:11 AM
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The weld puddle was to cold. What I see cause this is the welding machine is to small, aluminum takes a lot of amps to get the puddle hot fast.
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Old 06-02-2018, 06:45 AM
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Looks cold and does not even look like tig, looks like spool gun mig to me.
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Old 06-02-2018, 06:49 AM
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That's not a tig weld, but it'll do the job.
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Old 06-02-2018, 08:19 AM
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Put a teather on the trolling motor
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Old 06-02-2018, 08:44 AM
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Originally Posted by Jersus View Post
Looks cold and does not even look like tig, looks like spool gun mig to me.
X2. Iíve finally got my Mig to look ok but with plenty of penetration. I was thinking about adding a spool gun for my MM252. After reading up decided to wait save and get a decent Miller Tig machine.
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Old 06-02-2018, 02:18 PM
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Hope the OP isnít a photographer. Jk. That weld was done with the MIG process with a spool gun, which is sort of a cold process to begin with. I weld heavy wall pipe for a living, and donít deal with aluminum very often. But if I were in marine fabóI certainly wouldnít be turning out finish work to the customer on aluminum with MIG. Amateur hour stuff. Spool gun aluminum is for jobs where the welds will be ground smooth, or youíre dealing with a tremendous amount of linear footage, and itís not cost feasible to use the TIG process. I canít tell from the photo if the bracket will hold your trolling motor. Look at the edges of the weld bead, or the ďtoesĒ of the weld. If you donít see any clear lack of fusion then Iím sure it will be fine. You guys would be surprised what a few inches of bird shit will hold.
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Old 06-02-2018, 02:34 PM
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I weld...I would not allow that out of my shop with my name on it.
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Old 06-02-2018, 06:16 PM
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Thanks for the input. Not my photo. I requested a pic prior to deliver as I was out of town. I was also thinking sketchy as well.
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Old 06-02-2018, 06:33 PM
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Default Not good, not pretty,

Originally Posted by 805gregg View Post
Put a teather on the trolling motor
No penetration on the root of the weld to the right ( that's a real problem ). I'm not sure what kind of reaction/ force and loads this bracket will be subjected to, but please tie a leash to the motor. As someone else mentioned, it does not have the roll of dimes look, most of the time the welds appearance is a great indication of the quality of the weld. I have TIG welded stainless and aluminum ( not a lot of either ), and who ever welded that lacked one or both, experience and or enough heat ( amps ) to do a good job.

https://www.google.com/search?q=weld...c2iCYV8yy5MlM:

Welding Tips and Tricks - TIG, MIG, Stick and a pantload of other info



https://www.google.com/search?q=tig+...iw=928&bih=504
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Old 06-03-2018, 04:43 AM
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It looks to me like a mig weld in the throat of aluminum angle iron? Both the ID & OD have rounded corners, there is a small jut on the bottom edge, but the weld is clearly not on that. Did this piece break off or being added on?
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Old 06-03-2018, 07:03 AM
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Two pieces of flat stock at 90 degrees. Third piece that looks undercut on the front. Essentially a 3/16" thick Z bracket is what I was trying to achieve
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Old 06-03-2018, 07:06 AM
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I paid a lot of money for worse than that... mine was an on-site job, so finding people do it that actually showed up was almost impossible. It's not pretty, but if it holds -- then I guess go with it. You can always re-do it... one day.
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Old 06-03-2018, 08:29 AM
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If youíre worried about it being ugly, grind it smooth. Take a regular angle grinder to it with a sanding disc/flapper wheel/tiger paw. If the configuration restricts access with an angle grinder, you can use a rotary tool or die grinder. Since itís aluminum, youíre essentially sanding down the weld without removing too much of it. After doing so, if you see any porosity or other discontinuities in the weld bead, your welder will be forced to grind it out and re-weld it. Specify in the work order that you want TIG this time.
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Old 06-03-2018, 10:28 AM
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A better picture would help a lot, but from what I see here, I'd not wish to depend on that to keep my trolling motor attached to the boat. Needs a bit more gusseting and triangulation but hard to visualize the complete function from the info given.
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Old 06-03-2018, 05:31 PM
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It was specified to be TIG. After multiple delays it was shotgunned at the last minute. I told the guy after three weeks of delays to forget the job. He proceeded anyway the next day, called me and presented the pic I refused to accept it based on the outcome and doubtful integrity of the weld. Lesson learned. I'm back to block one but no big deal. I don't get upset about silly shit like this anymore. Just wanted your opinion to validate I'm not that big of an ass. Well maybe I am.
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