Delta + linear Z tracking axis?
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@Quadcells said in Delta + linear Z tracking axis?:
M666 X-0.34 Y-0.31 Z0.66 tilt X0.00 Y0.00
This is incorrectly formatted. See M666. Format is M666 Xnnn Ynnn Znnn Annn Bnnn
Ian
That's strange. It has been that way since I made this file using the configuration tool 2 years ago.
But I will change it after reading.but the config-override.g has it correct:)
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All working now. Camera axis tracks the effector's Z.
I have to re-print my camera carriage as the camera is too close to the effector when I run G32.Thanks for all your help.
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I should be back home on Sunday and I will put together a short video show it in action.
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@Quadcells said in Delta + linear Z tracking axis?:
I should be back home on Sunday and I will put together a short video show it in action.
Looking forward to seeing it!
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@Quadcells I'd be interested to know what camera you are using.
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@deckingman said in Delta + linear Z tracking axis?:
@Quadcells I'd be interested to know what camera you are using.
I use WYZE, I have one on each of my printers. I also use them all over my house looking outside. Inexpensive and work great. Maybe a little big but for the price it's great.
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Sorry it took so long to get you this video of the camera tracking the hotend:
https://youtu.be/NWMInhy16rM -
@Quadcells that is absolutely amazing! Exactly what I was after. Could you put up you final config changes that made it work?
I've got a lot more work on my printer before I get to this mod and not a lot of free time but this has to happen!
Thanks
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@veryevil Surething. I meant to post it but didn't get to it. I see if I can post the config.g tonight when I get back home.
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Here are part of my config.g that relate to the 4th axis:
M584 X0 Y1 Z2 U4 E3 P3 ; U4 is the 4th tower axis which is E1 stepper driver on the Duet Wifi
M665 R244.500 L400.970:400.970:400.970:8019.4 B150.0 H448.37 X-0.072 Y0.021 Z0.000
M669 X0 Y0
M666 X-0.34 Y-0.31 Z0.66 A0.00 B0.00
;Drives
M569 P0 S0 ; Drive 0 goes forwards, X tower stepper
M569 P1 S0 ; Drive 1 goes forwards, y tower stepper
M569 P2 S0 ; Drive 2 goes forwards, Z tower stepper
M569 P3 S0 ; Drive 3 goes forwards, E0 stepper
M569 P4 S0 ; Drive 4 goes forwards, 4th tower stepper
M350 X16 Y16 Z16 U16 E16 I1 ; Configure microstepping with interpolation
M92 X200 Y200 Z200 U200 E2787 ; Set steps per mm
M566 X1200 Y1200 Z1200 U1200 E40 ; Set maximum instantaneous speed changes (mm/min)
M203 X18000 Y18000 Z18000 U18000 E1200 ; Set maximum speeds (mm/min)
M201 X1000 Y1000 Z1000 U1000 E120 ; Set accelerations (mm/s^2)
M906 X1600 Y1600 Z1600 U1400 E500 I40 ; Set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout; Endstops
M574 X2 Y2 Z2 U2 S1 ; Set active low endstops;Tools
G10 P0 X0 Y0 Z0 U0 ; Set tool 0 axis offsetsM500
Config-override.g lines of code related to the 4th axis:
M665 L400.970:400.970:400.970:8019.400 R244.529 H447.421 B150.0 X0.044 Y-0.103 Z0.000homedelta.g:
G91 ; relative positioning
M584 P4 ;unhide U4
;*** Slow homing has been configured. Change F180 to F1800 below when your configuration is working
G1 S1 X450 Y450 Z450 U450 F1400 ; move all towers to the high end stopping at the endstops (first pass)
G1 X-5 Y-5 Z-5 U-5 F1800 S2 ; go down a few mm
;*** Slow homing has been configured. Change F180 to F360 below when your configuration is working
G1 S1 X10 Y10 Z10 U10 F360 ; move all towers up once more (second pass)
G1 Z-5 F6000 ; move down a few mm so that the nozzle can be centred
G90 ; absolute positioning
G1 X0 Y0 F6000 ; move X+Y to the centre
M584 P3 ; hide U4I believe that's it.
4th axis rod length is 20 times that of XYZ. I haven't tried changing it.