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ColorFab XT Retraction


BrayChristopher
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Posted (edited) · ColorFab XT Retraction

I am trying to print a bed full of small parts (50ish).

Normally I avoid the stringing issue with XT by just printing one part at a time. But I need to make about 3,000 of these parts...... so it would be nice to print a whole bed's worth over night.

Has any body else run into a similar challenge?

I use Simplified 3D as my slicer.

Currently my setting are:

Retraction Distance: 4mm

Extra Retraction Start: 0mm

Retraction Vertical Lift: 0mm

Retraction Speed: 1500 mm/min

Coasting Distance: 2.5mm

Wipe Distance: 3.0mm

Layer Height: 0.15mm

Top Layers: 3

Bottom Layers: 3

Shells: 2

Out Line Direction: Print Outside-In

Print island sequential with out optimization: On

Use Random Start Points for All Perimeters: On

(I was hoping this would spread the pimples out so that they don't build on one another)

No Supports

Extruder Temp: 240c

Bed Temp: 70c

Fans turn on at layer 8

Fan speed: 50%

Default Printing Speed: 3000 mm/min

Outline Underspeed: 65%

Solid Infill Underspeed 70%

X/Y Axis Movement Speed: 3000mm/min

Only Retract when crossing open spaces: Off

Force Retraction between layers: Off

Minimum travel for retraction: 0.02mm

Perform Retraction during wipe movement: On

Only wipe extruder for outer most perimeters: Off

P1140778.thumb.JPG.98864a4ecd8c808bcd5c042a41190b8b.JPG

I think those are all of the settings that matter.....

Please and thanks.

P1140778.thumb.JPG.98864a4ecd8c808bcd5c042a41190b8b.JPG

Edited by Guest
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Posted · ColorFab XT Retraction

New settings! The part looks very good. At least for what I need it for anyway.

P1140776.thumb.JPG.6b1b14e295c9f44da1b7e9931d448fda.JPG

Retraction Distance: 5mm

Extra Retraction Start: 0mm

Retraction Vertical Lift: 1mm

Retraction Speed: 1600 mm/min

Coasting Distance: 1.0mm

Wipe Distance: 2.0mm

Layer Height: 0.15mm

Top Layers: 3

Bottom Layers: 3

Shells: 2

Out Line Direction: Print Inside-Out

Print island sequential with out optimization: On

Use Random Start Points for All Perimeters: On

No Supports

Extruder Temp: 240c

Bed Temp: 70c

Fans turn on at layer 8

Fan speed: 50%

Default Printing Speed: 3000 mm/min

Outline Underspeed: 65%

Solid Infill Underspeed 70%

X/Y Axis Movement Speed: 6000mm/min

Only Retract when crossing open spaces: Off

Force Retraction between layers: On

Minimum travel for retraction: 0.02mm

Perform Retraction during wipe movement: On

Only wipe extruder for outer most perimeters: Off

I have only tried a small batch of these (16 at a time). Soon I will try a larger batch.

P1140776.thumb.JPG.6b1b14e295c9f44da1b7e9931d448fda.JPG

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    Posted (edited) · ColorFab XT Retraction

    For more reliable/consistent prints, I'd recommend leaving retraction enabled, but setting retraction distance to 0.0mm and making sure your movement settings are as fast as they can be.  As well as lubricating your rods.

    I think a z-hop of 1mm when retracting will be fine.  I print without fans, and I had better results going shorter - around 0.25mm.

    Edited by Guest
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    • 3 weeks later...
    Posted · ColorFab XT Retraction

    I found that when printing a larger set of these, I would get really fine strings between the parts.

    So I played with the settings some more.

    Retraction Distance: 5mm

    Extra Retraction Start: 0mm

    Retraction Vertical Lift: 0.5mm

    Retraction Speed: 2000 mm/min

    Coasting Distance: 2.0mm

    Wipe Distance: 6.0mm

    Layer Height: 0.15mm

    Top Layers: 3

    Bottom Layers: 3

    Shells: 2

    Out Line Direction: Print Inside-Out

    Print island sequential with out optimization: On

    Use Random Start Points for All Perimeters: On

    No Supports

    Extruder Temp: 237c

    Bed Temp: 70c

    Fans turn on at layer 8

    Fan speed: 50%

    Default Printing Speed: 3000 mm/min

    Outline Underspeed: 65%

    Solid Infill Underspeed 70%

    X/Y Axis Movement Speed: 6000mm/min

    Only Retract when crossing open spaces: On

    Force Retraction between layers: Off

    Minimum travel for retraction: 0.02mm

    Perform Retraction during wipe movement: Off

    Only wipe extruder for outer most perimeters: Off

    Here are the results:

    P1140818.thumb.JPG.602b37b97c108c0292d9b622f377cc7d.JPG

    P1140819.thumb.JPG.685041e0383ab7a2da04d72f05f2e1fa.JPG

    P1140818.thumb.JPG.602b37b97c108c0292d9b622f377cc7d.JPG

    P1140819.thumb.JPG.685041e0383ab7a2da04d72f05f2e1fa.JPG

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