Duet WiFi with E3V6 dragging on plate

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Char'les Grey
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Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Mon Dec 04, 2017 9:37 pm

Alright, so I'm going neurotic because I can't figure this out, after bed level and auto bed compensation runs on the duetwifi, the printer head just slightly drags across the print bed, I can "Z Baby step" it up, but I'd prefer to address the issue. I feel like, I know I'm missing something simple that I'm not doing or missed something.

Rostock maxv3
upgrades:
fsr leveling
e3dv6 print head
aluminum heat spreader
deutwifi

Code: Select all

; Configuration file for SeeMeCNC Rostock MAX V3

; Communication and general
M111 S0                                ; Debug off
M550 PSeeMeCNCRostockMAXV3      ; Machine name and Netbios name (can be anything you like)
M551 Preprap                           ; Machine password (used for FTP)
;*** If you have more than one Duet on your network, they must all have different MAC addresses, so change the last digits

;*** Wifi Networking
M552 S1               ; Enable WiFi

M555 P2                              ; Set output to look like Marlin
M575 P1 B57600 S1         ; Comms parameters for PanelDue

G21                                    ; Work in millimeters
G90                                   ; Send absolute coordinates...
M83                                    ; ...but relative extruder moves

; Axis and motor configuration
M569 P0 S1            ; Drive 0 goes forwards
M569 P1 S1            ; Drive 1 goes forwards
M569 P2 S1            ; Drive 2 goes forwards
M569 P3 S1            ; Drive 3 goes forwards M569 P3 S0
M569 P4 S0            ; Drive 4 goes forwards
M574 X2 Y2 Z2 S1         ; set endstop configuration (all endstops at high end, active high)
;*** The homed height is deliberately set too high in the following - you will adjust it during calibration
M665 R144.158 L291.06 B120 H386.065 X0 Y0 Z0      ; set delta radius, diagonal rod length, printable radius and homed height M665 R144.158 L291.06 B120 H415 X0 Y0 Z0
M666 X0 Y0 Z0            ; put your endstop adjustments here, or let auto calibration find them
M350 X16 Y16 E16 I1             ; Set 16x microstepping with interpolation
M92 X80 Y80 Z80            ; Set axis steps/mm
M906 X1000 Y1000 Z1000 E800 I60      ; Set motor currents (mA) and increase idle current to 60%
M201 X1000 Y1000 Z1000 E1000      ; Accelerations (mm/s^2)
M203 X20000 Y20000 Z20000 E3600      ; Maximum speeds (mm/min)
M566 X1200 Y1200 Z1200 E1200      ; Maximum instant speed changes mm/minute

; Thermistors
M305 P0 T100000 B3950 R4700 H30 L0   ; Put your own H and/or L values here to set the bed thermistor ADC correction
M305 P1 T100000 B4725K R4700 H30 C7.06e-8 L0   ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
;M305 P2 T100000 B3974 R4700 H30 L0   ; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
M570 S180            ; Hot end may be a little slow to heat up so allow it 180 seconds

; Fans
M106 P1 H-1             ; disable thermostatic mode for fan 1

; Tool definitions
M563 P0 D0 H1                          ; Define tool 0
G10 P0 S0 R0                           ; Set tool 0 operating and standby temperatures
;*** If you have a single-nozzle build, comment the next 2 lines
;M563 P1 D1 H2                         ; Define tool 1
;G10 P1 S0 R0                          ; Set tool 1 operating and standby temperatures
M92 E92.45                          ; Set extruder steps per mm M92 E92.4:92.4 M92 E92.8 E92.4

; Z probe and compensation definition
M558 P4 X0 Y0 Z1 H5 F1200 T5000 I0   ; added I1, P5 to P4 , M558 P4 X0 Y0 Z1 H5 F1200 T2400   I1

; grid compensation
M557 R110 S20

G31 X0 Y0 Z-.43         ; Set the zprobe offset and threshold (determine your printer's Z offset value). For a delta, use zero X and Y offset, G31 X0 Y0 Z-.05 P20         

;*** If you are using axis compensation, put the figures in the following command
M556 S78 X0 Y0 Z0                      ; Axis compensation here

T0                  ; select first hot end

IMBoring25
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Re: Duet WiFi with E3V6 dragging on plate

Postby IMBoring25 » Mon Dec 04, 2017 11:02 pm

Dragging lightly across the build plate sounds perfect if you're at Z=0. Other than the probing, a real print will never command the nozzle closer to the bed than the first-layer height.

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pouncingiguana
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Re: Duet WiFi with E3V6 dragging on plate

Postby pouncingiguana » Tue Dec 05, 2017 7:26 am

Tweak you're Z probe offset and re-probe. I'd start with knocking .1 off of your current value and go from there. Change your G31 line in your config.g to:

G31 X0 Y0 Z-.53

Run that, then G32, then see if it's still dragging.

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Tue Dec 05, 2017 12:24 pm

Thanks, I'll try that at lunch or when I get home tonight and update.

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Tue Dec 05, 2017 10:00 pm

I changed it to z-.53, no change, then -.75, and then -1.5, no change, seems to continue.... thoughts?

update: changed it to -5.0 and nothing changed...

dc42
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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Wed Dec 06, 2017 2:28 am

It sounds like you are doing something at the start of the print that is resetting the Z=0 position. What is the sequence you are using to calibrate and print, and what is your slicer start script?

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Thu Dec 07, 2017 12:51 am

dc42 wrote:It sounds like you are doing something at the start of the print that is resetting the Z=0 position. What is the sequence you are using to calibrate and print, and what is your slicer start script?


I use kisslicer, where would I find that info?

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Khayrisill
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Re: Duet WiFi with E3V6 dragging on plate

Postby Khayrisill » Thu Dec 07, 2017 3:51 pm

Hello Char'les Grey,

Looks like you have something wrong in the config-override.g and to process config-override,.g at startup, you need a M501 command at the very end of config.g; or if you have a T0 command at the end of config,g then put it, right before the T0 line.

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Thu Dec 07, 2017 9:33 pm

Khayrisill wrote:Hello Char'les Grey,

Looks like you have something wrong in the config-override.g and to process config-override,.g at startup, you need a M501 command at the very end of config.g; or if you have a T0 command at the end of config,g then put it, right before the T0 line.



Added M501 before T0, still the same effect.

dc42
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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Fri Dec 08, 2017 4:18 am

Is there also a G31 command in config-override.g ?

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Fri Dec 08, 2017 2:15 pm

I don't see a config override file....

dc42
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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Fri Dec 08, 2017 5:16 pm

We recently found that the M109 command can cause unwanted position changes in some situations. If that's the cause of your issue, here are some workarounds:

- Don't use M109, use M104 or G10 to set the temperature followed by M116 to wait for it to be reached
- Deselect the tool before the M109 command (the M109 command will reselect it)
- Upgrade to firmware 1.20RC1

HTH David

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Sun Dec 10, 2017 7:53 pm

Alright, so I commented out M558, did G32, adjusted the G31 Z height (still working on perfect height) but everything seems to be working well. Well enough to print the bondtech extrusion holder. What settings does everyone use for destring in KISSlicer?


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