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Multimaterial Printing

by Mahatma__Addy

Hi Guys!

I recently developed a 4-material printhead (or quad extruder) with a single nozzle. But the gt2560 mainboard from geeetech only supports 2 extruder stepper motors.
Does anyone know a way to expand the mainboard?
Hope you guys can help me:)

Geeetech_A10 Geeetech_GT2560 multimaterial Quad extruder
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Ideas for designs?

by nordicblue

Hello all. I have been on a mission to make my Geeetech A10 (version 3) print as good as it can. In my quest, I have added a ton of designs for my printer, including (check out my things to find these):

  • Z axis supports
  • Y axis supports
  • Fan covers for the main board
  • Wire strain for the A30 Petsfang to get it work on the A10 (this one is in the comments of the A30 Petsfang, as I cannot post a remix)
  • Update Raspberry Pi case

Would love to hear ideas from you on what other things I could design to improve our printer. Let me know of any thoughts.

Thanks!

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Printing with ABS

by TermiteHunter

I have the Geeetech A10 and have been very pleased.
Printing with PLA has been a breeze with most failures the result of poor slicing decisions.
However since the A10 also is capable of printing ABS and wanting to print a few things that would be too heat sensitive to print in PLA I purchased a couple rolls of ABS.
I have yet to get a single print to form with ABS. They all fail early in the print.
I am having a LOT of difficulty getting the ABS to stick to the build plate.
Initial lines tend not to stick entirely creating strings that eventually pull the layer off or cause it to cling to the nozzle.
I have increased the bed temp to 90, re-leveled, Alter the nozzle temp, re-level, applied glue, re-leveled, used hairspray, re-leveled and simply cleaned the glass plate all resulting in the same result.

I eventually give up and fall back to PLA. Initially I will again have difficulty with adhesion. Once it starts to stick all subsequent prints stick.

So ABS is more temp sensitive but I was wondering if others have difficulty too.
Suggestions?

a10 Geeetech_A10 print_bed_adhesion
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Can't seem to get my A10 to print

by epepper

I am using the prebuilt profile for easyprint (see below):

[general]
materialType=pla
materialDiameter=1.75
materialFlow=120
slowdownLayers=2
layerPrintingSpeed0=30
layerTravelingSpeed0=60
travelSpeed=120
printTemperature0=200
printTemperature=185
bedTemperature=60
outerWallSpeed=30
innerWallSpeed=30
infillSpeed=60
supportInterfaceSpeed=40
supportInfillSpeed=60
topbottomSpeed=30
sbSpeed=30

[printer]
platformType=A10
baudRate=250000
platformX=220
platformY=220
platformZ=260
isCenter=true
extruderCount=1
eStartX=0
eStartY=0
nozzleSize=0.4
nHeadDistance=0
nOffsetX=0
nOffsetY=0
feedrateMaxX=500
feedrateMaxY=500
feedrateMaxZ=5
feedrateMaxE=299792458000
accelerationMaxX=9000
accelerationMaxY=9000
accelerationMaxZ=100
accelerationMaxE=10000
enableRetraction=true
retractLayerChange=false
primeSpeed=20
retractSpeed=10
retractionAmount=2.5
retractionTravel=0.8

[details]
quality=standard
layerHeight=0.2
layerHeight0=0.2
outerWallWidth=0.4
innerWallWidth=0.4
wallLineCount=1
topLayers=2
zSeamAlignment=shortest
enableSpiralize=false
bottomLayers=2
outerInsetFirst=false
infillBeforeWalls=false
infillPattern=lines
infillOverlap=5
lineDistance=2.0
enableSupport=true
supportAngle=70
supportPattern=lines
supportType=everywhere
supportLineDistance=2.66
zDistance=0.1
xyDistance=0.7
useTowers=true
towerDiameter=3.0
roofAngle=65
enableSupportInterface=false
adhesionType=skirt
sbLinewidth=0.4
skirtLine=1
skirtGap=0.3
raftBaseSpeed=22.5
raftBaseLinewidth=0.8
raftBaseThickness=0.36
raftAirgap=0.3
enableJerk=false
enableCooling=true
enableCoasting=false
enableConicalSupport=false
enablePrimeTower=false
enableDraftShield=false
enableOozeShield=false

The bed is leveled, but the filament doesn't stick to the bed. The distance between the nozzle and the bed is too great. Which is weird, because when I level the bed, it is perfect. It seems that when it goes to print, the nozzle is raised too high for the filament to stick, and I have no idea how to fix this.

Anyone got any advice? And thank you in advance.

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comparison to Ender 3D

by sangell

Is this an Ender 3D with better main board and glass bed?

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