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Plastic Welding our pesky dash cracks
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Topic: Plastic Welding our pesky dash cracks (Read 1447 times)
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ford-bldr
Full Member
Posts: 83
Plastic Welding our pesky dash cracks
«
on:
November 12, 2023, 07:47:44 AM »
Came across these vids using materials for reinforcement.
Tried plastic welding before but the material got thinner and the cracks came back.
This could also be used for attaching a backing plate for better mounting locations etc.
https://youtu.be/0YRPMcVJ2D8
https://youtu.be/LetUNViQ4IM
https://youtu.be/xVtw5HTMMAM?t=118
Your milage may vary...
Use stainless materials for our marine environment.
Seems like you would want to squeeze seams together - at least initially - to get a tighter seam...
«
Last Edit: November 12, 2023, 08:09:39 AM by ford-bldr
»
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Seems all my hobbies require Alcohol and Fossil Fuels...
8' Glen-L MiniMaxed Hydro
16' Checkmate Merc 150
22' Pachanga 350 Mag
22' Velocity 350 Mag
28' Velocity 600 hp Merlin block
20' Century Arabian 454 V Drive
17' Laser tunnel hull
16'CV16 Project
https://www.supermotors.net/users/Snakoil
awc105
Full Member
Posts: 130
Re: Plastic Welding our pesky dash cracks
«
Reply #1 on:
November 12, 2023, 02:41:36 PM »
For what it's worth, when I was repairing cracks in the dash of my CV16 I used some ABS pipe cement (
https://www.homedepot.com/p/Oatey-8-oz-Medium-Black-ABS-Cement-308893/100345366
)
I drilled a hole at each end of the crack to stop it from spreading, then cut a groove into the crack with a ball end stone on my dremel. I filled the groove with the ABS cement, I also applied it to the surface behind the crack. I bought a sheet of 1/16" black ABS off of amazon
(
https://www.amazon.com/Install-Bay-ABS116-Universal-16-Inch/dp/B0049MWXM8/ref=sr_1_3?crid=1PCAQR6TJSZI0&keywords=abs%2Bsheet%2B1%2F16&qid=1699821633&sprefix=abs%2Bsheet%2B%2Caps%2C105&sr=8-3&th=1
)
and cut it into strips that were then applied behind the crack to stiffen it. Since the ABS cement has a solvent in it, it actually melts the material together to form a sort of plastic "weld"
Once, the cement cured, I went back and sanded it smooth
Since ABS is a basic thermoplastic, it is fairly easy for it to be re-welded and bond to itself to make a durable repair.
-Andrew
«
Last Edit: November 12, 2023, 02:46:00 PM by awc105
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Andrew
74' CV-16SS - Carla
Hyperacme
Administrator
Hero Member
Posts: 13334
Re: Plastic Welding our pesky dash cracks
«
Reply #2 on:
November 12, 2023, 05:58:06 PM »
I added this to your other thread ..
http://forum.cgoamn.com/index.php?topic=8342.0
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Plastic Welding our pesky dash cracks