Posts made by Sowlan

I have fond where is issue but dont understand what it appear now.

When I worked to my tpost0.g at begin of configuration of my tool changer I needed to add M564 S0 for allow my printer arm to catch tool0 outside of limits of my bed to make some thing more clean I had added M564 S1 to activate again limits, after that when I tried to printing one problem is appear where my DC42 IR prob dont allow me to printing correctly because the offset not be able to going more dow the the IR prob zone detection, in this case I had removed M564 S1 at end of my tpost0.g and all worked find.

Now to resolve my issue I had added again M564 S1 at end of my tpost0.g, but I had also added M564 S0 at end of homeall.g and now it's work like a charm. But what the problem coming today I dont know

I had do new step in identification of issue. When I manually execute this sequence I haven't problem mesh compensation work well:
1 - power on print
2 - Home all
3 - tpost0.g(macro)
4 - Mesh compensation

But when I execute manually this sequence I have issue
1 - power on print
2 - Home all
3 - tpost0.g(macro)
4 - Home all
5 - Mesh compensation

Issue is locate at second Home all juste after my arm catch tool0.

I juste find some thing, I can have this issue with manual mod, I explain me. When start my printer and home all and execute mesh compensation all is good, but after if I execute my macro like tpost0.g and try again to start mesh compensation I have same issue than when I start printing and probing before printing.
The problem is locate in tpost0.g but I dont know where.

; tpost0.g
; called after firmware thinks Tool0 is selected
; Note: tool offsets are applied at this point!

M116 P0                  ; Wait for set temperatures to be reached
; Note that commands preempted with G53 will NOT apply the tool offset.
M98 P"/macros/ToolChanger/tool_unlock.g" ; Unlock the tool

G53 G0 X132 Y0 F7000  ; Rapid to the approach position without any current tool.
G91
M564 S0
;M302 P0                  ; Prevent Cold Extrudes, just in case temp setpoints are at 0
;G1 E10 F100              ; Purge the Nozzle
;G4 S1                    ; Slight Delay
;G1 E-1.0 F2000           ; Perform a retract to remove filament pressure.
G91                      ; Set Relative Movements
G1 Z3                    ; Pop the Z up slightly to avoid scraping carriage limit switch on pull-back for early layers.
                         ; Also clear any dangling debris on purge towers.
G90                      ; Restore Absolute Movements
G53 G1 Y-80 F6000
G53 G1 Y-80.5 F6000
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
G53 G1 Y0 F6000        ; Retract the entire tool and wipe Backwards.
;G53 G1 Y336 F10000       ; Wipe Forwards.
;G53 G1 Y296 F10000       ; Wipe Backwards.
;G53 G1 Y336 F10000       ; Wipe Forwards.
;G53 G1 Y296 F10000       ; Wipe Backwards.


;M564 S1
;G1 R2 X0 Y0 Z0   ; Restore prior position now accounting for new tool offset
;G1 X0 Y0 Z0   ; Restore prior position now accounting for new tool offset

M106 R2           ; restore print cooling fan speed

Hi!
Today I have strange issue with mesh compensation, yesterday probing before printing worked well, and this morning I had this when I'd prob my bed before printing, and probing finish with this this message:

Warning: the height map has a substantial Z offset. Suggest use Z-probe to establish Z=0 datum, then re-probe the mesh.
16 points probed, min error -0.465, max error -0.102, mean -0.279, deviation 0.103
Height map saved to file 0:/sys/heightmap.csv

But if I using mesh compensation manually on the dashborad all is ok:

I had investigated but no find the reason of this issue. I using RRF3.1.1, and maybe that is linked with other strange issue I have where my printer arm try to catch my tool0 at old place at first execution of it and catch at right place at second execution of the script. I had posted some days ago about this issue her https://forum.duet3d.com/topic/16740/bug-moving-to-ghost-position

Her some files can help you to help me and my start script in Simplify3D, thx!
start script:

M291 P"Homing all axis" R"Printing.." S1 T2
G21		; metric values
G28		; home all
;G29 S2		; mark if you want to disable mesh grid
;G32 S1		; Run mesh grid compensation
G29 S0
		; Purge extruder
M83		; Set relative extrusion mode
G92 E0 F100		; reset extruder
G1 Z10 F3000 		; move z up little to prevent scratching of surface
M98 P/macros/Filament/Purge	; Run nozzle purge macro
;G1 E-1 F2000		; Retract 1mm filament
G92 E0 		; reset extruder
M291 P"Printing started !" R"Printing.." S1 T3

bed.g
config.g
homeall.g
homeu.g
homex.g
homey.g
homez.g
tfree0.g
Toffsets.g
tpost0.g
tpre0.g

So, about offset issue I have found where is problem, in my tpost0.g I added at end M564 S1 to enable switch limit because at begin of the script I added M564 S0 to disable limit switch for catch my tool who is outside of the limits of my bed. If you have subjection to catch my tool outside of limits of my bed more properly I take it.

I tried one more time to catch tool with G91 before G53 G0 X132 Y277 F7000 but arm continue to go to X285 Y277. My adjustment with G9 after G53 G0 X132 Y277 F7000 work well but I would like understand why it does it, If I have another issue I'll never sure it isn't linked with it, it's what is arrive with my nozzel offset juste now, but it's look like bug.

@droftarts @dc42 If you want do see that in action I send to my Mega account one video, size of it is 91,5Mo :
https://mega.nz/file/y6JB3Q4Y#SHjvxN_g9LJGu5JN3Q662O32qZMaMwiWMbMJgRJJJMs

@droftarts @dc42
Thank you, her my both files

tool-unlock.g

; Disengage the toolchanger lock

G91                 ; Set relative movements
G1 U-4 F9000 H2     ; Back off the limit switch with a small move
G1 U-360 F9000 H1   ; Perform up to one rotation looking for the home limit switch
G90                 ; Restore absolute movements

tpre0.g

; tpre0.g
; called before tool 0 is selected
;
; generated by RepRapFirmware Configuration Tool v2.1.6 on Mon Jan 13 2020 20:14:53 GMT+0100 (heure normale d’Europe centrale)

; Runs after freeing the previous tool if the next tool is tool-0.
; Note: tool offsets are not applied at this point!

G0 X132 Y277 F7000  ; Rapid to the approach position without any current tool.

G60 S2               ; Save this position as the reference point from which to later apply new tool offsets.

You need to remembre macro dont work when I click it once but work when I click on seconde time.

I tried to erase SD card en make clean install but the problem is continue, I had changed folder directory of macro and renamed it, same problem.
That's possible the duet hardware memory my old toolchanger parking position some where?
I seen also G10 Z offset positive value(to reduct gap between nozzel and bed) haven't effect now, only negative value work, that's big problem I can't printing and maybe both problems is linked.
I think to erase duet but it's dangerous thing, I would like to have your help before.

Hi!

At this time I convert my pinter single nozzle BLV mgn Cube to tool changer Jubilee system, I'had update RRF3.1.1.

During my tests I had experiment an strange bug, when i click on my marco one time for go to be in line position whit tool0 parking I see printer arm go to take tool0 on old line parking position, it was been X285 Y277 in past and dont exist anymore in my marco the new one is X132 Y277, when I click in my macro second time the good sequence is play.

Here my marco to take tool0:

; tpost0.g
; called after firmware thinks Tool0 is selected
; Note: tool offsets are applied at this point!

M116 P0                  ; Wait for set temperatures to be reached

; Note that commands preempted with G53 will NOT apply the tool offset.
G91
M98 P"/macros/ToolChanger/tool_unlock.g" ; Unlock the tool

G53 G0 X132 Y277 F7000  ; Rapid to the approach position without any current tool.

M564 S0
;M302 P0                  ; Prevent Cold Extrudes, just in case temp setpoints are at 0
;G1 E10 F100              ; Purge the Nozzle
;G4 S1                    ; Slight Delay
;G1 E-1.0 F2000           ; Perform a retract to remove filament pressure.
G91                      ; Set Relative Movements
G1 Z3                    ; Pop the Z up slightly to avoid scraping carriage limit switch on pull-back for early layers.
                         ; Also clear any dangling debris on purge towers.
G90                      ; Restore Absolute Movements
G53 G1 Y357 F6000
G53 G1 Y357.5 F6000
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
M98 P"/macros/ToolChanger/tool_lock.g" ; Lock the tool
G53 G1 Y277 F6000        ; Retract the entire tool and wipe Backwards.
;G53 G1 Y336 F10000       ; Wipe Forwards.
;G53 G1 Y296 F10000       ; Wipe Backwards.
;G53 G1 Y336 F10000       ; Wipe Forwards.
;G53 G1 Y296 F10000       ; Wipe Backwards.


M564 S1
G1 X0 Y0 Z0   ; Restore prior position now accounting for new tool offset

M106 R2           ; restore print cooling fan speed

I tried to find where come from the problem, It's when I had execute commands one by one I have locate where is the problem, at begin of my marco I have it:

; tpost0.g
; called after firmware thinks Tool0 is selected
; Note: tool offsets are applied at this point!

M116 P0                  ; Wait for set temperatures to be reached

; Note that commands preempted with G53 will NOT apply the tool offset.
G91

M98 P"/macros/ToolChanger/tool_unlock.g" ; Unlock the tool

G53 G0 X132 Y277 F7000  ; Rapid to the approach position without any current tool. 
...

When 'G53 G0 X132 Y277 F7000' is execute at line 12 the pinter arm go to X285 Y277, if I move 'G91' from line 8 to line 13 like this all working fine it go to X132 Y277:

...
M98 P"/macros/ToolChanger/tool_unlock.g"
G53 G0 X132 Y277 F7000 
G91
...

I dont think is normal comportement and I think I can have some issus with that in the future. Maybe that can be an interesting bug for @dc42 .

Thank you.

@dc42
Finally I have small difference but not significant difference...

With metal plate, cold bed and paper aluminum border exceed

With metal plate, hot bed at 60°C and paper aluminum border exceed

@dc42

Hi thank you for you answer, I'd bought BLV kite from Bluerolls at aliexpress the bed I have is here

it's 310x310mm bed with metal plat and on the plate I have PEI protection.

Now I suspect something other, the side who falling is connector side, maybe electromagnetism from bed is the problem, I had do speed test with aluminum paper between bed and metal plate, with bed heating I view where the paper exceed out of bed mash map is relatively plate. Now I doing new test with exceed aluminum paper out of bed to view if it's that. I will be busy the next hour but I come soon with result of my test.

I don't Know if this problem interest any peoples but I continue to investigate...

Now I tried same test without metal plat, probing on nude surface

without metal plat and cold bed

without metal plat and hot bed at 60°C

If any body know where come from this effect I'm interesting, Maybe @dc42 how have same name than my sensor have an idea?

Ok now I know what is the cause of problem but don't know how repair it.
It's bed heating !!!

test with bed heating off

and now with with bed heating on at 60°C....

Now what about my materials, I using d42 IR sensor with metal plate and modified CR-10 with magnet under it. Somebody know if by reputation something provoke it magnet, hearting, electromagnetism,etc... ?

Same test with S11.5 in M557, it's frustrating

mesh compensation without printing run

and now mesh compensation before printing

The problem hasn't changed

When I click on Mesh bed compensation button I have this:

and when I run printing mesh bed compensation change for that and printing result is very bad

@Veti

Please run Mesh bed leveling not true bed leveling.

Ok now I understand more clearly the difference between both fonctions. Mesh bed leveling shown me an 29G error due to S10 is too low it tell me to try it S11.5, that's result more what you went, some think look like small ski area for fourmis.

I have one G32 in my start script Simplify3D, I will delete it, leave G29 S0 and use S50 for grid mesh. and testing to print.

@Veti said in Bed flat at origin,inclined during prob sequence before printing:

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

Tank you for your fast answer.
Yes based on wiki I had yet make some changes in config.g for M671 (leadscrews positions) and in bed.g G30 (probe near leadscrews) but maybe you ask to me to focusing on it because my drive mapping show M584 X0 Y1 Z2 E3 and not Z2:4 for independent Z move, I'm intrigue by the fact independent Z move is here yet this's show by this problem and I the case I want static position on Z steppers I think this configuration is good. But is you are any idea about that I take it.

change S80 to S10 and see how that looks.

I had make this change but no really change

resultats:

my start test look like this

Now after press on true leveling button

and probing sequence before printing

Hi everybody!

I had finish to build my BLV printer at end when I tried to print square test model It look like same at picture N°1.

After some research I'd see something strange, when I start printing during probing/compensation sequence, my bed became inclined (see picture N°3), the right side become higher than left side. Before launch my test model in WebUI I had do home all true leveling and home all again, followed by mesh compensation and home all (Picture N°2).

I adding my printer have two Z axis at left & right sides, left side is minimal X axis and right side is maximal X axis, the back side is Y minimal and front side is Y maximal.

One more thing strange the 3D Heightmap shown is mirroring, x,y,z mark at back left corner is at good place and front right corner also, but the right back corner and left front corner is permute, right back corner in picture (X30 Y190) on my printer is at left front corner, left front corner in picture (X190 Y30) on my printer is at left front corner. Maybe that's one symptom of the problem.

I had spend 3 days of my time in this problem and no find when come it and I need urgently my printer print well for my work. I add also some files config.g, bed.g and start script I use in Simplify3D.

config.g

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v2.1.6 on Mon Jan 13 2020 20:14:51 GMT+0100 (heure normale d’Europe centrale)

; General preferences
M80						; Turns on the ATX power supply
G90                                                ; send absolute coordinates...
M83                                                ; ...but relative extruder moves


M667 S1                                            ; select CoreXY mode

; Network
M550 P"BLV mgn Cube"                               ; set printer name
M552 S1                                            ; enable network
M586 P0 S1                                         ; enable HTTP
M586 P1 S0                                         ; disable FTP
M586 P2 S0                                         ; disable Telnet
M587 S"ferguson" P"rearview-picnic-gasp-neff-frays-impotency"            ; Configure access point. You can delete this line once connected

; Drives
M569 P0 S0                                         ; physical drive 0 goes forwards
M569 P1 S0                                         ; physical drive 1 goes forwards
M569 P2 S1                                         ; physical drive 2 goes backwards
M569 P3 S0                                         ; physical drive 3 goes backwards
M584 X0 Y1 Z2 E3                                   ; set drive mapping

M671 X-25:313 Y150:149 ;gauche X-25 Y150 droite X313 Y149

M350 X16 Y16 Z16 E16 I1                            ; configure microstepping with interpolation
M92 X200 Y200 Z400 E415				   ; Set steps per mm for Bondtech. (AJOUT)
;M566 X600 Y600 Z24 E200                           ; Set maximum instantaneous speed changes (Jerk) (mm/min) (AJOUT)
M566 X600 Y600 Z24 E300                            ; Set maximum instantaneous speed changes (Jerk) (mm/min) (AJOUT)
;M203 X20000 Y20000 Z600 E2000                     ; Set maximum speeds (mm/min) (AJOUT)
M203 X20000 Y20000 Z600 E3600                      ; Set maximum speeds (mm/min) (AJOUT)
;M201 X3000 Y3000 Z100 E5000			   ; Set accelerations (mm/s^2)(AJOUT)
M201 X3000 Y3000 Z100 E2000			   ; Set accelerations (mm/s^2)(AJOUT)

M906 X1600 Y1600 Z1600 E1600 I30                   ; set motor currents (mA) and motor idle factor in per cent
M84 S30                                            ; Set idle timeout

; Pressure advance
M572 D0 S0.55					   ; disabled Pressure advance

; Axis Limits                 
M208 X-21:307 Y-35:302 Z0:649			   ; set axis


; Endstops
M574 X1 S1 P"xstop"                                ; configure active-high endstop for low end on X via pin xstop
M574 Y1 S1 P"ystop"                                ; configure active-high endstop for low end on Y via pin ystop

; Filament sensor
;M591 D0 P1 C3 S1

; Z-Probe
M574 Z1 S2                                         ; Set endstops controlled by probe
M558 P1 C"zprobe.in" H5 F200 T9000 R0.5            ; set Z probe type to unmodulated and the dive height + speeds
;G31 P500 X-2 Y-16.4 Z1.165                         ; set Z probe trigger value, offset of 2 in X and 10 in Y and trigger height
;G31 P500 X-2 Y-16.4 Z1.15                         ; set Z probe trigger value, offset of 2 in X and 10 in Y and trigger height
G31 P500 X-7 Y19 Z1.15                         ; set Z probe trigger value, offset of 2 in X and 10 in Y and trigger height

M557 X30:260 Y30:260 S80                           ; define mesh grid

; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 R4700 C0    ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0                              ; create bed heater output on bedheat and map it to sensor 0
M143 H0 S100                                       ; set temperature limit for heater 0 to 100C
M307 H0 A85.0 C236.3 D5.4 V24.0 B0		   ; Set PID for heated bed values

M308 S1 P"e0temp" Y"thermistor" T100000 B3950 R4700 C0     ; configure sensor 1 as thermistor on pin e0temp
M950 H1 C"e0heat" T1                               ; create nozzle heater output on e0heat and map it to sensor 1
M143 H1 S260                                       ; set temperature limit for heater 1 to 260C
M307 H1 A405.7 C118.3 D6.2 V24.2 B0			   ; Set PID for hotend values

; Fans
M950 F0 C"fan0" Q500                               ; create fan 0 on pin fan0 and set its frequency
M106 P0 S0 H-1                                     ; set fan 0 value. Thermostatic control is turned off
M950 F1 C"fan1" Q500                               ; create fan 1 on pin fan1 and set its frequency
M106 P1 S1 H1 T35                                  ; set fan 1 value. Thermostatic control is turned on
M950 F2 C"fan1" Q500                               ; create fan 2 on pin fan1 and set its frequency
M106 P2 S1 H1 T35                                  ; set fan 2 value. Thermostatic control is turned on

; Tools
M563 P0 D0 H1 F0                                   ; define tool 0
G10 P0 X0 Y0 Z0                                    ; set tool 0 axis offsets
G10 P0 R0 S0                                       ; set initial tool 0 active and standby temperatures to 0C

; Custom settings are not defined

; Miscellaneous
;M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss

M911 S21 R22 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; Set voltage thresholds and actions to run on power loss

; Custom settings are not configured
M564 H0                                   	   ; Let the Jog buttons work blv: added to allow jog buttons

bed.g

; bed.g
; called to perform automatic bed compensation via G32
;
; generated by RepRapFirmware Configuration Tool v2.1.6 on Mon Jan 13 2020 20:14:51 GMT+0100 (heure normale d’Europe centrale)
;M561 ; clear any bed transform
;G29  ; probe the bed and enable compensation

M291 P"Probing mesh grid process started" R"Probing.." S1 T2
M561               		; clear any bed transform
G28				; home all axis bb
G90 				; absolute positioning bb
M557 X30:260 Y30:260 S80	; Define mesh grid
G29 S0				; Probe the bed and save height map to file
M374 				; Save calibration data. Default is sys/heightmap.csv
M291 P"Probing mesh grid process finished !" R"Probing.." S1 T2
; Probe the bed at 4 points X-25:313 Y150:149
G30 P0 X260 Y149 H0 Z-99999
G30 P1 X30 Y150 H0 Z-99999
;G30 P2 X260 Y260 H0 Z-99999
;G30 P3 X260 Y30 H0 Z-99999 S

;G28				; home all axis bb
;G29 S0
;M374 				; Save calibration data. Default is sys/heightmap.csv

Simplify3D start script

M291 P"Homing all axis" R"Printing.." S1 T2
G21		; metric values
G28		; home all
;G29 S2		; mark if you want to disable mesh grid
G32		; Run mesh grid compenstion
G29 S0
		; Purge extruder
G92 E0 F100		; reset extruder
G1 Z10 F3000 		; move z up little to prevent scratching of surface
M98 P/macros/Filament/Purge	; Run nozzle purge macro
;G1 E-1 F2000		; Retract 1mm filament
G92 E0 		; reset extruder
M291 P"Printing started !" R"Printing.." S1 T3

Picture N°1

Picture N°2

Picture N°3

@jens55 you are right dude I had missing to remplace one "S" argument by "H" in homez.g at here

G91                 ; relative positioning
G1 Z5 F6000 S2 <--(problem is here, remplace S2 by H2)      ; lift Z relative to current position
G90                 ; absolute positioning
G1 X152 Y166.4 F6000 ; go to first probe point
G30   

Thank you for focusing me on it.
Now I'll try to learn to make probing Z with IR sensor to work.

@DIY-O-Sphere @jens55
Thank you for your subjections I haven't see we have homeall.g I'll investigate in this direction.
This community look like very reactive and lot of interesting, happy to joint you