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I bought a tool for splicing 3d printer filament. It's difficult as hell. I bought it so I can use up all those "too much to throw away but too short to print anything usable" spools. The main problem is that I end up having a splice that is way too thick to fit through the PTFE tube that will definitely end up as a print failure. At this point I think it is a operator failure than a failure of the tool. I give it more tries until I throw it into the corner.
about 3 months ago from web-
about 3 months ago from web
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@scribus I think too. Also I have the suspicion that the tool I bought is kind of flawed in both handling and execution https://i.imgur.com/rWLHU0z.jpeg It is made such that you put one end into the area with the Teflon sleeve and the other end to the metal hole. Both ends are then heated by a flame (candle, lighter) for a couple seconds and then pulled into the Teflon area and there the ends are pushed together while the plastic is hot. After it has cooled down the screws are loosened and the tool can be removed. The hole in the Teflon area is about 2mm in diameter while the plastic filament is 1.75mm. Ideally the hole should be the same or close in size. Either way pushing the filament into the hole while it's melted is hard as the filament itself tends to naturally curl because it has been wound up on a spool before and hand-straightening is not really easy or effective enough. I need to shave off the extra bulge back to 1.75mm in order to prevent clogs. Wasn't expensive tough.
about 3 months ago from web
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