Thursday, September 19, 2019

Cura settings for CR-10

PLA Filament settings:

Layer height

0.04mm, 0.08mm, 0.12mm, 0.16mm, 0.2mm, 0.24mm, 0.26mm, 0.3mm

Wall thickness

1mm to 1.2mm

Outer wall wipe distance

3mm

Top/Bottom Distance

0.8mm

Z seam alignment

Sharpest corner

Seam corner preference

Smart hiding

Infill density

15% to 80%

Printing temperature

200

Build plate temperature

50

Enable retraction

True

Retraction distance

6.5mm

Retraction speed

25mm/s

Print speed

40mm/s

Infill speed

40mm/s

Wall speed

40mm/s

Outer wall speed

25mm/s

Inner wall speed

40mm/s

Top/Bottom speed

20mm/s

Travel speed

40mm/s

Initial layer speed

20mm/s

Combing mode

Not in Skin

Avoid printed parts while traveling

True

Travel avoid distance

0.625mm

Z hop while retracted

False

Enable print cooling

True

Fan speed

100%

Generate support

True/False

Support placement

Touching buildplate/Everywhere

Support overhang angle

30 to 80

Support pattern

Zig zag

Support density

20%

Enable support brim

True/False

Support brim width

8mm to 20mm

Support Z distance

0.16mm

Support top distance

0.16mm

Gradual support infill steps

0 to 3

Use towers

False

Build plate adhesion type

Brim

Brim width

10mm to 25mm

Union overlapping volumes

False

Tree support

False

TPU Filament Settings:

Layer height

0.04mm, 0.08mm, 0.12mm, 0.16mm, 0.2mm, 0.24mm, 0.26mm, 0.3mm

Wall thickness

1mm to 1.2mm

Outer wall wipe distance

3mm

Top/Bottom Distance

0.8mm

Z seam alignment

Sharpest corner

Seam corner preference

Smart hiding

Infill density

15% to 80%

Printing temperature

210

Build plate temperature

50

Enable retraction

True

Retraction distance

6.5mm

Retraction speed

25mm/s

Print speed

20mm/s

Infill speed

20mm/s

Wall speed

20mm/s

Outer wall speed

20mm/s

Inner wall speed

20mm/s

Top/Bottom speed

20mm/s

Travel speed

20mm/s

Initial layer speed

20mm/s

Combing mode

Not in Skin

Avoid printed parts while traveling

True

Travel avoid distance

0.625mm

Z hop while retracted

False

Enable print cooling

True

Fan speed

100%

Generate support

True/False

Support placement

Touching buildplate/Everywhere

Support overhang angle

30 to 80

Support pattern

Zig zag

Support density

20%

Enable support brim

True/False

Support brim width

8mm to 20mm

Support Z distance

0.16mm

Support top distance

0.16mm

Gradual support infill steps

0 to 3

Use towers

False

Build plate adhesion type

Brim

Brim width

10mm to 25mm

Union overlapping volumes

False

Tree support

False

Printer Setup:

The default extruder assembly is pretty bad, allowing for shifting of the extruder head, so I recommend replacing it.  I use an e3D V6 hotend with a silicone sock and Petsfang hotend assembly (modified to suit my needs) and a blower fan and Noctua fan for cooling.

I have an endoscope camera attached to my hotend assembly that allows me to monitor the hotend up close and has helped me immeasurably by helping me stop print errors as fast as possible.  It also helps me level my printer bed to achieve a good first layer and good build plate adhesion.  I have my endoscope hooked up to my tablet via USB for constant monitoring.  

I also use Octoprint/Octopi for Raspberry PI, allowing me to upload stl files via WIFI to my printer without running over with a SD card every time.  It also allows me to remotely monitor the current print’s progress via a webpage.  Cura has a plugin called Octoprint Connection on their marketplace (top right in Cura) for Octoprint, so you can directly upload to your printer after slicing.

Recently I built a humidity controlled box for my filament to improve printing results and it has made a world of difference for my TPU prints.

For build plate adhesion I use an Elmer's Glue stick.  If you end up using this, make sure you wash your build plate every now and then to keep it from building up and screwing up your first layer quality.

Since the CR-10 is pretty noisy, I use motor vibration dampers and a lower printing speed (20mm/s to 40mm/s) to reduce the noise to residential levels.  This has the added benefit of improving print quality.

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