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expirednismos14 posted Jul 15, 2024 05:10 PM
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expirednismos14 posted Jul 15, 2024 05:10 PM

SUNLU Filament Connector, Fusion Splicer | SUNLU Online Store - $34.99

$34

$45

24% off
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[Pre Sale] Filament Connector, Fusion Splicer, Weldable to PLA, ABS, PETG, PCL, PA and PC

Use code WETHRIFT forn$1.05 off to make it 33.94


https://www.sunlu.com/products/fi...hhEALw_wcB
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[Pre Sale] Filament Connector, Fusion Splicer, Weldable to PLA, ABS, PETG, PCL, PA and PC

Use code WETHRIFT forn$1.05 off to make it 33.94


https://www.sunlu.com/products/fi...hhEALw_wcB

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Jul 15, 2024 05:29 PM
801 Posts
Joined Oct 2014
AdamDportJul 15, 2024 05:29 PM
801 Posts
It claims "zero waste" but it looks like the teflon tubes that goes around the filament while fusing them together is a consumable 1-time use thing. It comes with 200 of them and then you have to buy more. I'm guessing it's just generic ptfe tubing? Let's use 60¢/ft for ptfe tubing, from the video it looks like it requires about 2 inches, so 10¢ per weld. ...also curious if you can reuse the same piece over and over, I'm not sure how much harm a slit in the side of it would be to the welding process.

Cool concept if it works well. I'm not sure it's less work or saves any plastic/money to do this than to just swap the filament out mid print.
1
Jul 15, 2024 06:00 PM
67 Posts
Joined Nov 2013
stacker55Jul 15, 2024 06:00 PM
67 Posts
Quote from AdamDport :
It claims "zero waste" but it looks like the teflon tubes that goes around the filament while fusing them together is a consumable 1-time use thing. It comes with 200 of them and then you have to buy more. I'm guessing it's just generic ptfe tubing? Let's use 60¢/ft for ptfe tubing, from the video it looks like it requires about 2 inches, so 10¢ per weld. ...also curious if you can reuse the same piece over and over, I'm not sure how much harm a slit in the side of it would be to the welding process.

Cool concept if it works well. I'm not sure it's less work or saves any plastic/money to do this than to just swap the filament out mid print.
ptfe tubing can comfortably go up to 230c, what appears to be the max for this device. they definitely would be a consumable part of this set up but they'd last way longer than a single use. assuming you slide it off instead of cutting it loose
Jul 15, 2024 06:41 PM
801 Posts
Joined Oct 2014
AdamDportJul 15, 2024 06:41 PM
801 Posts
Quote from stacker55 :
ptfe tubing can comfortably go up to 230c, what appears to be the max for this device. they definitely would be a consumable part of this set up but they'd last way longer than a single use. assuming you slide it off instead of cutting it loose
Just going off their video, they show it being split instead of slid off. Not sure if sliding off is an option
1
Jul 15, 2024 07:59 PM
373 Posts
Joined Jul 2019
VioletFruit436Jul 15, 2024 07:59 PM
373 Posts
Quote from AdamDport :
It claims "zero waste" but it looks like the teflon tubes that goes around the filament while fusing them together is a consumable 1-time use thing. It comes with 200 of them and then you have to buy more. I'm guessing it's just generic ptfe tubing? Let's use 60¢/ft for ptfe tubing, from the video it looks like it requires about 2 inches, so 10¢ per weld. ...also curious if you can reuse the same piece over and over, I'm not sure how much harm a slit in the side of it would be to the welding process.

Cool concept if it works well. I'm not sure it's less work or saves any plastic/money to do this than to just swap the filament out mid print.
If nothing else, it should avoid blobs in a print from pausing the printer outside of a layer break to manually swap filaments. It would also allow assembling enough length of filament prior to a print to not have to watch for a runout mid-print, for those of us who like to set up big prints to run overnight while we sleep.
Jul 16, 2024 02:55 AM
360 Posts
Joined Oct 2012
provis83Jul 16, 2024 02:55 AM
360 Posts
Quote from VioletFruit436 :
If nothing else, it should avoid blobs in a print from pausing the printer outside of a layer break to manually swap filaments. It would also allow assembling enough length of filament prior to a print to not have to watch for a runout mid-print, for those of us who like to set up big prints to run overnight while we sleep.
Are blobs caused when you wait a long time or when you have certain printers? I haven't run into this problem with My Bambu x1c
1
Jul 16, 2024 06:05 AM
373 Posts
Joined Jul 2019
VioletFruit436Jul 16, 2024 06:05 AM
373 Posts
Quote from provis83 :
Are blobs caused when you wait a long time or when you have certain printers? I haven't run into this problem with My Bambu x1c
It is physically impossible for the start of an extrusion to not bulge out a little bit, regardless of printer.
When you swap filaments via a M600 or similar command at a layer break, any extrusion start points will work after the filament change pretty much the same as if you didn't swap filaments. But, if you manually intervene to pause the print when the print file isn't expecting it, you're adding a stop/start cycle at an unpredictable location. Ideally, you could pull this off while it's printing infill, so you'll never see the imperfection, but if it's on an exterior wall, there's no way to avoid it. It's the same basic concept of how you want the slicer to handle seams.
Jul 16, 2024 09:21 AM
56 Posts
Joined Dec 2014
av8rbozJul 16, 2024 09:21 AM
56 Posts
I think this would be useful for making your own multicolor filament. You can use shorter lengths of different colors to get faster color changes on small prints. If you're trying to prevent running out overnight, you're going to end up unspooling a lot of filament to get to the end to splice the new on and then have to rewind.

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