On the web page of Steinel I posted you also can see the accessories available. I use the "Reduction nozzle, 9 mm" to bend the material and the "Welding nozzle" for the real welding operation. Works quite nicely. Markus >A friend of mine has got one of those Steinel LCD guns, I >should of tried it before spending my money on that old and >used Leister hot air welder. The air pressure from a hot air >welder is a lot higher than a heat gun, so I'm not sure how >well it will work, but if you had successfully built your >tanks from it then I cannot see any major problem with using >a general purpose hot air gun. All the reducing nozzles for >hot air guns also have a side vent that can get annoying. >The side vent is probably there to prevent too much >restriction of air flow. > >Adam > >Markus Zingg wrote: > >> Seinel Modell HL2305 LCD >> >> I really can highly recomend this one. It's not even that expensive. >> >> http://www.steinel.de/englisch/index.html >> >> there click on "Products for DIY ers" then on "Hot Air Guns" it's the >> first one on the left. >> >> Markus >> >> >>>Markus, >>> >>>Which hot air gun do you use? >>> >>>Simon >>> >>>On 5 Nov 2003, at 07:40, markuszingg wrote: >>> >>> >>>>--- In Homebrew_PCBs@yahoogroups.com, Adam Seychell >>>><adam_seychell@y...> wrote: >>>> >>>>>This weekend I played around with my hot air welder again, trying >>>>>to get better practice. I bought three types or welding rod, and >>>>>small and large triangle type and a 3 mm round, each type comes >>>>>in 50 rods per pack. I found triangle is the best. For 4.5mm >>>>>sheet I use the larger triangle, for 3 mm sheet I use the small >>>>>triangle rods. Practice on lots of scrap pieces and then try and >>>>>break the weld when cooled. A *really* good weld will not break >>>>>at the weld, but rather the sheet its self will break. The trick >>>>>is to get the right temperature setting and nozzle distance from >>>>>the work piece. There is a fine line between burning the plastic >>>>>and not heating it enough to properly fuse. If the temperature is >>>>>too low then it takes too long to melt the plastic and so too >>>>>much heat transfers to the bulk of the material, which makes >>>>>everything deform and then you cannot push hard of the rod. If >>>>>the heat is too hot then it very easy to burns the plastic which >>>>>contaminates it with carbon and produces a weak weld. >>>>> >>>>>Adam >>>> >>>>Hi Adam >>>> >>>>The trick that I use is the hot air welding gun itself. It's >>>>temperature is automatically controlled and it is having a digital >>>>display showing the temperature which also can be used to set the >>>>temperature requested. It then takes the gun probably 10 seconds or >>>>so to reach a new temeparature level and it then stays there. This >>>>really helps a lot in getting consistent good results. >>>> >>>>Markus >>>> >>>> >>>> >>>>------------------------ Yahoo! Groups Sponsor >>>>---------------------~--> >>>>Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark >>>>Printer at MyInks.com. Free s/h on orders $50 or more to the US & >>>>Canada. >>>>http://www.c1tracking.com/l.asp?cid=5511 >>>>http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/bGYolB/TM >>>>--------------------------------------------------------------------- >>>>~-> >>>> >>>>Be sure to visit the group home and check for new Bookmarks and files: >>>>http://groups.yahoo.com/group/Homebrew_PCBs >>>> >>>>To unsubscribe from this group, send an email to: >>>>Homebrew_PCBs-unsubscribe@yahoogroups.com >>>> >>>> >>>> >>>>Your use of Yahoo! Groups is subject to >>>>http://docs.yahoo.com/info/terms/ >>>> >>>> >>>> >>>> >>>> >>> >>>Simon Whitehead >>>s.whitehead@... >>> >>> >>> >>>Be sure to visit the group home and check for new Bookmarks and files: >>>http://groups.yahoo.com/group/Homebrew_PCBs >>> >>>To unsubscribe from this group, send an email to: >>>Homebrew_PCBs-unsubscribe@yahoogroups.com >>> >>> >>> >>>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ >>> >> >> >> >> >> Be sure to visit the group home and check for new Bookmarks and files: >> http://groups.yahoo.com/group/Homebrew_PCBs >> >> To unsubscribe from this group, send an email to: >> Homebrew_PCBs-unsubscribe@yahoogroups.com >> >> >> >> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ >> >> > > > >Be sure to visit the group home and check for new Bookmarks and files: >http://groups.yahoo.com/group/Homebrew_PCBs > >To unsubscribe from this group, send an email to: >Homebrew_PCBs-unsubscribe@yahoogroups.com > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ >
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Re: [Homebrew_PCBs] Re: pvc hot air welding
2003-11-05 by Markus Zingg
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