Hi,

I have 4 motors for my Z axis because I have a lot of weight on Z (100kg - big machine) and the internal drivers are not enough to control this....

My idea is to use 2 packs of 2 motors in series and 1 external drivers.. everything with same SET and DIR signals... It's possible to use the F3 connector to send this commands for 2 external drivers ?

2x

Hi,

I need to plug 4 motors for Z axis, all motors with same movement.

I have 1 Duet Expansion Breakout Board, it's possible to map multiple drivers for same axis ? For example, drive 5,6,7,8 for Z ? ?

Best Regards...

Hi,

Based on this:
https://forum.duet3d.com/topic/6993/requests-for-help-gcode-cam-follower-tangential-knife-control/5

I create my own "script" to generate the Gcode with a extruder axis and amount of material, like this:

G1 X95.00 Y20.00 Z0.00 U0.00 E25.15
G1 X96.00 Y20.00 Z0.00 U0.00 E25.15
G1 X97.00 Y20.00 Z0.00 U0.00 E25.15
G1 X98.00 Y20.00 Z0.00 U0.00 E25.15
G1 X99.00 Y20.00 Z0.00 U0.00 E25.15
G1 X100.00 Y20.00 Z0.00 U90.00 E25.15
G1 X100.00 Y21.00 Z0.00 U90.00 E25.15
G1 X100.00 Y22.00 Z0.00 U90.00 E25.15
G1 X100.00 Y23.00 Z0.00 U90.00 E25.15
G1 X100.00 Y24.00 Z0.00 U90.00 E25.15

It's possible to set U or A (or other) like a extruder axis ? How I can ajust this in the firmware?

EDIT:

this ? https://duet3d.dozuki.com/Wiki/Gcode#Section_M584_Set_drive_mapping

The machine understands automatically the U commands and E commands ?

My U must be C ?
https://image.slidesharecdn.com/cnclecture1-161102225703/95/cnc-lecture1-14-638.jpg?cb=1478127516

I connect the motor to the E2 extruder ? What is the wiring diagram ?

this ?
M584 X0 Y1 Z2 E3 C4 (for E1 Driver) ?

https://duet3d.dozuki.com/Wiki/Duet_Wiring_Diagrams

thanks.

@russ-gries

Yes, I follow you on YouTube

so, in this video you use Fusion 360, after that you use Simplify3D correct ? But you create a script to adjust the xyz to xyzU correct (U/A the angle of extruder 1), do you have some documentation ? or a start point for me (forum/ paper etc.. ?) I need to do the same for a concrete 3D printer.

I know that it is possible to do it automatically with Mach3 but I would like to try to do it myself.

At this moment I use Autodesk Inventor + PrinterRun (www.pronterface.com/) , it's possible to create scripts / macros with python to create the "final GCode".

My idea is change the rapms 1.4 (3d printer mainboard) by Duet3D and adjust this code to create the "tangential control" .

How do you adapt the Duet3D to create a U axis ? (the new "Extruder" axis ) ?

Thanks.

Hi @Russ-Gries ,

Fantastic topic.

So, you use Duet3d wifi with RepRapFirmware correct ?

What is your gcode generator /slicer ?

You create a script to run your gcode and change the values ? Do you have more information about your post processor ?

Thanks