Use This Plastic Welding Technique - Become A Master - Polypropylene / PP
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- Опубликовано: 3 окт 2024
- This Is A Short Tutorial On Polypropylene Welding And Testing How Strong This Plastic Welding Can Be, Running Through How To Clean, Tack And Weld Polypropylene To A High Standard.
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#tutorial #welding #plastic #fabrication
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I'm also in this niche industry and this polypropylene welding is performed to a very high calibre using what looks to me like the standard Triac (no souldering irons here)
Well done, good job
Glad you enjoyed👍 Thank you!
I want to plastic weld a 12mm PP board to a thin, unknown thickness but thin, PE. Is this possible using the technique you demonstrate? Does the temperature need to be lower due to the thin PE? Any other guidance appreciated, I am wanting as strong a structural bond as possible and reasonable.
Great work and very informative. Thank you in advance.
@CajunPat Hi 👋 thank you for the kind comments! PP & PE are two different types of plastic and won't fuse together no matter what temperature you set the welding torch at, glue wouldn't work either, the only thing I can think of is to pin them using screws. Sorry I can't be more helpful!
What type of polypropylene is this. I’m looking to see how one might work with polypropylene #5 for high temperature applications
Hi 👋 its a 12mm thick polypropylene (copolymer) a 3mm diameter welding rod was used in the video, a 5.7mm triangular rod is also available. If you're looking for a more stable plastic at high temperatures PPs could be a good option. hope that's helpful, thank you for comment 👍
What is the appropriate temperature for welding work?
Hi, for polypropylene it's around 280°C, if you're not getting a good uniform amount of melted material along the side of the welding rod turn the temp up a bit, if lumps of melted material are forming along the side or material is spitting out onto the surface then the temp should be dropped, hope that's helpful! Thanks for the comment.
What Welding iron is this? Like this one better then my old beast up gun
Hi, the hot air welding torch is a Leister Triac ST 👍
Hi, I'm wondering why you can use a nozzle for the filler rod and other time you use in freehand in your project?
Hi, thanks for the question👍 most thermoplastics can be both hand welded or speed welded, 3 core PVC (the grey stuff) is usually hand welded and polypropylene (the beige or blue stuff) is usually speed welded, but you can defo use both methods it just depends on the situation, hope that's helpful.
@@allkraftdesign6120 in fact, yes and no because I don't know what is the purpose of the speed welding nozzle if you can do by hand. In your opinion, what is the more useful between the hand welded or speed welded, also, which is the more easy to use.
Hi, they're both useful methods, speed welding is faster so if you have long distances to weld a nozzle is the best option, speed welding is also neater, flatter and more consistent looking. If your welding in a tight space free handing is a better option because you can hold the heat gun at different angles and positions which you wouldn't be able to achieve with a nozzle. If done properly both methods are as strong as each other. I would say speed welding is slightly easier to pick up but knowing both methods will make you more versatile.
Do you know if it is reasonable practice to weld PPC to PPH?
Hi, yes I think it is reasonable, on many occasions I've welded copolymer to homopolymer, sometimes you have no other option, it will be leak-proof and strong enough but not as strong as welding Co - Co or Ho - Ho.
Temp set?
Hey! Do you prefer using 3mm or 5mm polypropylene rod for your welding projects? Does it just depend on how thin/thick your substrate is? I’m about to weld up some pretty thin PP (about 1/8” thick) so would you recommend thinner rod as it should have a lower melting point than the thicker 5mm rod? Thanks!
Hi, if I was going to choose a favourite rod for pp it would definitely be a triangle.. nothing better than a nice neat triangular rod👌 for 1/8" sheet use 1/8" rod, you can't quite get a triangular rod flat on 1/8" sheet, you can put more than one run down if your looking for strength, once the temperature is set for pp you shouldn't need to change it whether your welding thick sheet or thin sheet, I personally sometimes turn the heat down a very little when using 1/8" rod because you can get a lovely neat finish! thanks for the message 👍
U never showed the stops and how u tied it all in
Hi, yes apologies for that! I usually stagger all weld joints so there's less chance of leakage if you welds are holding liquid, you can use a stanley knife or 1/2" chisel to trim any excess filler rod away, hope that helpful, thanks for comment!