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3.0 or 1.75 filament

Posted by hamonic 
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hamonic
3.0 or 1.75 filament
September 03, 2015 02:29PM
Anyone can tell what is benefitical of using 3.0 over 1.75 filament?

The only I can think of is, 3.0 stay in the hotend longer time than 1.75, becuase it is bigger volumn so with same speed priningt it only need slower extruSion. So this is better in maintaning temperature and good for high speed print. Am I correct?
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kcnc
Re: 3.0 or 1.75 filament
September 03, 2015 02:38PM
3.00 or 1.75 doesn't make any difference.
Its down to how well you can setup/tune your printer.
We use 1.75 in all our printers
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kcnc
Re: 3.0 or 1.75 filament
September 03, 2015 02:40PM
oh yes for got to mention.
We use E3D V6 hotends(one of the best currently available)
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imqqmi
Re: 3.0 or 1.75 filament
September 03, 2015 03:15PM
It can matter if you have a printer capable of very high print speeds. Also, if you plan to print flex filaments like ninja flex, the 1.75 is very flexible and can be hard to push through the extruder. It's mainly why I chose 3mm, I wanted to be able to print any filament and had some special use cases for flex.
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dc42
Re: 3.0 or 1.75 filament
September 03, 2015 03:34PM
1.75mm is easier for the extruder to push and more flexible, so is recommended for Bowden extruders. If your machine will have a non-bowden geared extruder, then 3mm may work better with flexible filaments.


Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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SlowFoot
Re: 3.0 or 1.75 filament
September 03, 2015 04:25PM
With 1.75 you should get higher pressure on the melted plastic for a given extruder and also better resolution, less filament /step.
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