CBR 600F 1987 - 1990 CBR 600F Forum

Plastic Welding

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Old 04-17-2011, 02:32 PM
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Default Plastic Welding

Well, just finished up using a soldering iron to plastic weld my side cover, looks pretty decent considering it was my first attempt at plastic welding all together. With a little sanding an a smear of bumper repair epoxy to fill in any imperfections and a bit of paint, you wont even notice.
 
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Old 04-18-2011, 07:27 PM
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can we get some pics?
 
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Old 04-22-2011, 04:52 AM
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Did you melt something else that was plastic to join 2 plastics together?
 
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Old 04-22-2011, 07:09 AM
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Just remember that if you use a filler rod it needs to be the same material as what you are welding. An adjustable temp heat gun with a reduction tube fitting on the end will do the job.
 
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Old 04-22-2011, 08:19 AM
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Or you can use a 10 dollar soldering gun and simply melt the 2 pieces of fairing together. How do I know this? I just proved it.
 
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Old 04-22-2011, 08:35 AM
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That how I repaired my side fairing R years ago on my XX. I was rearended and went down on the left side. The bolt hole on the top side of the fairing was completely broken out. I used my soldering iron to melt filler plastic from an old mig wire spool and reconstructed the hole then shaped it with a dremel tool and sanded it down to perfection. No body filler or epoxy needed. On the inside I used fiderglass patch to strenthen the area and it has held up great.
I am going to Harbor Freight to buy the plastic welder they have though cause I have a bunch of plastics I want to repair and the soldering iron is very slow.
 
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Old 04-22-2011, 08:39 AM
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The exact same technique is used (with a solid steel fitting on the end of the heat gun) to initially join the two pieces together. You'll still need to use a filler rod to "push" into a sort of weld pool created by the heat gun. Only way you'll get a strong join and good penetration. How do i know this? Well, the plastic welding certificate I have says I do......sort of.
 
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Old 04-23-2011, 06:13 PM
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I want to see a copy of it
 
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Old 04-23-2011, 06:27 PM
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Originally Posted by tds94probe
I want to see a copy of it
I'll get onto it today then.
 
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Old 04-24-2011, 05:53 AM
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Yep, it says statement of attendance but it was an actual theory and practical course that I was signed up as competent.


 


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