Delta Style
Arduino Mega 2560, Ramps 1.4
Fluidd
klippy.log (518.9 KB)
Use JKeep Self build printhead
http://www.keep-art.co.uk/printhead.html
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Motor specification:
Motor Type: Bipolar Stepper
Step Angle: 0.067deg
Holding Torque without Gearbox: 52Ncm(73.6oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.8ohms
Inductance: 3.2mH ± 20%(1KHz)
Gearbox Type: Planetary
Gear Ratio: 26.85:1
Efficiency: 80%
Backlash at No-load: <=3deg
Max.Permissible Torque: 3Nm(424.83oz.in)
Moment Permissible Torque: 5Nm(708.06oz.in)
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Hello community. I built a clay printer based on the model posted by Jonathan Keep.
I was able to use it correctly a few years ago using repetier firmware, with cold extrusion and gcode mixing extruders.
In this forum I was able to see how to configure cold extrusion and synchronize the motors with the following command:
SYNC_EXTRUDER_MOTION EXTRUDER=extruder1 MOTION_QUEUE=extruder
I would like to know if I have my motors correctly defined.
On the largest extruder I have a gear ratio of 26.85:1 but when I enter it in my printer settings I get an error.
If I leave my rotation distance at 8 the motor moves well, but it only turns a quarter turn, if I change the speed it moves faster but still turns a quarter turn. I tried extruding 50 mm.
The diameter of the filament is taken from the internal diameter of the tube 40 mm and the nozzle from the hose that comes out of the tube, 9 mm. Is this correct?
Same with the auger extruder, I set the filament diameter to 9 mm and the nozzle to 2 mm.
Where do I set the maximum speed of the extruders? For now I can only reach 70 mm/s and above 80 it gives an error.
In the slicer do I have to set the extrusion temperature to 0? And add the synchronize code to move both motors? If I want to change the speeds of any of the extruders do I have to modify the machine configuration? Or can I do it at the moment?
So if I want to change the extrusion ratio between both extruders, is it necessary to modify the configuration of my printer or can I do it at the moment?
Thank you very much.
