 Patch Panel Welding, for those who don't use Instagram. |
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| McMark |
 Jan 9 2018, 05:03 PM
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#1
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914 Freak!  Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None  |
https://www.youtube.com/watch?v=1jBHD7lAJfY Just posted this on Instagram. Timelapse of welding in a patch panel on this 914. This is the hell hole area, the inner fender wall where the battery tray will mount. I feel the gap between the panels to see if one is higher than the other, then use a variety of hammer and/or dolly to bring the two pieces level. This step is where good welds are made. Without lining up the pieces you'll never get invisible welds. Then a quick series of tack welds, stacking one onto the next one until the gap is filled. Then hit it with a wire brush (blue handle) to remove the burn 'smoke'. I use a variety of grinders, but mostly the 3" Roloc 80g sanding disk, to grind the welds smooth. I first shoot to remove 90% of the height of the weld, this is the grinding that makes lots of sparks. Then I lightly grind the last 10%, moving smoothly and evenly and changing grinding direction to avoid cutting grooves/ruts into the material. Finally some hand sanding with 120g emery cloth which highlights and high or low spots that need further attention. This video represents about 35m of work. If there's any interest, maybe I'll take a real-time video tomorrow to better show the process. Helpful? Interesting? (IMG:style_emoticons/default/confused24.gif) |
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| Ferg |
Jan 9 2018, 05:12 PM
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#2
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914 Guru Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None 
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Cool! (IMG:style_emoticons/default/aktion035.gif)
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| mihai914 |
Jan 9 2018, 05:15 PM
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#3
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Senior Member Group: Members Posts: 800 Joined: 2-March 05 From: Montreal, QC Member No.: 3,697 Region Association: None
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Nice work!
Please post more. It is both helpful and interesting. It's always good to know how when developing new skills and techniques or when discussing with a repair shop. |
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| BeatNavy |
Jan 9 2018, 05:17 PM
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#4
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Certified Professional Scapegoat Group: Members Posts: 2,938 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region
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I agree, please post more if you can. This is awesome, and these are techniques many of us need to learn.
Good to see you posting, Mark. You've been quiet recently (IMG:style_emoticons/default/smile.gif) |
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| bretth |
Jan 9 2018, 05:25 PM
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#5
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Senior Member Group: Members Posts: 899 Joined: 23-June 15 From: Central TX Member No.: 18,882 Region Association: Southwest Region |
Awesome, could watch more of this all day. Have to do this same area on my car.
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| bigkensteele |
Jan 9 2018, 06:31 PM
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#6
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Major Member Group: Members Posts: 2,197 Joined: 30-August 04 From: Cincinnati, OH Member No.: 2,660 Region Association: South East States
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(IMG:style_emoticons/default/agree.gif) Very cool! I would love to see more. Please post a pic of what the backside inside the fender well looks like. I need to do the same repair, and I would like it to be virtually invisible.
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| bbrock |
Jan 9 2018, 06:40 PM
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#7
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(McMark @ Jan 9 2018, 04:03 PM)  Yes! and Yes! I've been trying to perfect this technique for months and useful videos of the process are almost non-existent. Not until my last two patches have I gotten the perfect invisible welds so I still have much to learn. I'd love to see more. (IMG:style_emoticons/default/aktion035.gif) |
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| 76-914 |
Jan 9 2018, 07:21 PM
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#8
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,634 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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+1
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| infraredcalvin |
Jan 9 2018, 08:21 PM
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#9
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Distracted Member Group: Members Posts: 1,571 Joined: 25-August 08 From: Ladera Ranch, CA Member No.: 9,463 Region Association: Southern California
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+1
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| rick 918-S |
Jan 9 2018, 09:23 PM
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#10
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Hey nice rack! -Celette Group: Members Posts: 20,783 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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What is instigram? (IMG:style_emoticons/default/huh.gif) Looking good Mark. (IMG:style_emoticons/default/welder.gif) (IMG:style_emoticons/default/smash.gif) (IMG:style_emoticons/default/welder.gif)
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| Mueller |
Jan 9 2018, 09:33 PM
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#11
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914 Freak! Group: Members Posts: 17,150 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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Nice job, that is some dedication.
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| PlaysWithCars |
Jan 9 2018, 09:52 PM
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#12
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Senior Member Group: Members Posts: 529 Joined: 9-November 03 From: Southeast of Seattle Member No.: 1,323 Region Association: Pacific Northwest
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Yeah, very helpful. Would love it see it run a little slower to be able to pick up on more of the activity details. Maybe 2x or 3x real time? 60x was a bit too fast to really appreciate and absorb what was happening.
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| Elliot Cannon |
Jan 9 2018, 11:11 PM
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#13
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None
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Say HI to this handsome, talented dude. (IMG:style_emoticons/default/laugh.gif)
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