Posts made by Adam_Sw3

@fcwilt Hi frederick, Thanks for this. Sorry. I have messaged you on the direct messages on here if you like and we could link on another platform if you like? Thanks!

@fcwilt Or some other sort of messaging platform if you would be interested? To continue our conversation!

@fcwilt Wow thanks for that Frederick, thats very helpful! I would love to learn more about your code and I was wondering if you have discord or some other application where I could message you directly! I can post my name on here if you do just to avoid your username being out there!

Regarding your code it seems alot better to have your actual control board decide all the variables instead of the slicer as it removes a point of error during the printing proccess.

@fcwilt Thanks!

@fcwilt HI Frederick, To be honest I dont really understand why i put the 18mm on haha! Yes please do that it would be interesting to see! potentially because mine is about 500mm cubed printing size but even so.

@Phaedrux Thats exactly what it sounds like, how would you remedy this?

@fcwilt Okay it is semi solved now, I have re done my homeall & home z command to be in the centre of the build plate now and that seems to be working. Therefore this leads me to believe that my z movements / build plate isnt level in some way.

@fcwilt Hi frederick, That didnt work. i did some googling and it appears i am having the same issue as this guy -> https://forum.duet3d.com/topic/16118/trigger-height-always-changes/9

I am also using the LJ18A3-8-Z/BX sensor found here -> https://cdn.awsli.com.br/945/945993/arquivos/14_PROXIMITY_INDUCTIVE_18BY.pdf

By the way I know this is frustrating and i am ever so greatful for you taking the time to help me.

@fcwilt I will have a go now!

@fcwilt thank you, so I will need to go for a P5/P8 command? To then turn this into a switch.

@fcwilt Hi Frederick,

Yes that makes sense, So should i change my code to:

M558 ***P8*** C"!zprobe.in" H10 F240 T6000            ; set Z probe type to unmodulated and the dive height + speeds
G31 P500 X35 Y0 Z2.47                          ; set Z probe trigger value, offset and trigger height
M557 X15:525 Y10:400 S50                       ; define mesh grid

What did my P1 previously mean? I am guessing this is frequency specification? As I would be happy for it to work as a switch.

@fcwilt Hi Fredrick, my inductance sensor is similar to here https://www.aliexpress.com/item/1005004853709100.html?spm=a2g0o.productlist.main.33.60c8l3fwl3fwqS&algo_pvid=6f2ef3f2-1dd9-4b63-a7bd-bb78c1f5cfd8&algo_exp_id=6f2ef3f2-1dd9-4b63-a7bd-bb78c1f5cfd8-16&pdp_npi=4%40dis!GBP!6.68!6.68!!!7.89!!%4021038eda16964986241754812e39f3!12000030753506738!sea!UK!2004704503!&curPageLogUid=BWGfMQ4DwVrl

it has 3 leads, power is connected to my fan header (always on) so i put my z probe signal to my z probe signal header. what does p8 specify?

Thank you.

@fcwilt Thanks Frederick! Its people like you that really go under appreciated in these forums, thanks for your help. I have replied to phaedrux below so we shall see what he says.

@Phaedrux

Hi Phaedrux, my bed.g is here

; bed.g
; called to perform automatic bed compensation via G32
;
; generated by RepRapFirmware Configuration Tool v3.3.14 on Sat Oct 29 2022 18:08:10 GMT+0100 (British Summer Time)
G28 ; home

G30 P0 X0 Y440 Z-99999 ; probe near a leadscrew
G30 P1 X570 Y440 Z-99999 ; probe near a leadscrew
G30 P2 X290 Y10 Z-99999 S3 ; probe near a leadscrew and calibrate 3 motors




;M561 ; clear any bed transform
;G29  ; probe the bed and enable compensation

Home all

; homeall.g
; called to home all axes
;
; generated by RepRapFirmware Configuration Tool v3.3.14 on Sat Oct 29 2022 18:08:10 GMT+0100 (British Summer Time)
G91                     ; relative positioning
G1 H2 Z5 F6000          ; lift Z relative to current position
G1 H1 X-555 Y-415 F1800 ; move quickly to X or Y endstop and stop there (first pass)
G1 H1 X-555             ; home X axis
G1 H1 Y-415             ; home Y axis
G1 X5 Y5 F6000          ; go back a few mm
G1 H1 X-555 F360        ; move slowly to X axis endstop once more (second pass)
G1 H1 Y-415             ; then move slowly to Y axis endstop
G90                     ; absolute positioning
G1 X-20 Y10 F6000       ; go to first bed probe point and home Z
G30                     ; home Z by probing the bed

; Uncomment the following lines to lift Z after probing
;G91                    ; relative positioning
;G1 Z5 F100             ; lift Z relative to current position
;G90                    ; absolute positioning

Home X

; homex.g
; called to home the X axis
;
; generated by RepRapFirmware Configuration Tool v3.3.14 on Sat Oct 29 2022 18:08:10 GMT+0100 (British Summer Time)
G91               ; relative positioning
G1 H2 Z5 F6000    ; lift Z relative to current position
G1 H1 X-555 F1800 ; move quickly to X axis endstop and stop there (first pass)
G1 X5 F6000       ; go back a few mm
G1 H1 X-555 F360  ; move slowly to X axis endstop once more (second pass)
G1 H2 Z-5 F6000   ; lower Z again
G90               ; absolute positioning

Home Y

; homey.g
; called to home the Y axis
;
; generated by RepRapFirmware Configuration Tool v3.3.14 on Sat Oct 29 2022 18:08:10 GMT+0100 (British Summer Time)
G91               ; relative positioning
G1 H2 Z5 F6000    ; lift Z relative to current position
G1 H1 Y-415 F1800 ; move quickly to Y axis endstop and stop there (first pass)
G1 Y5 F6000       ; go back a few mm
G1 H1 Y-415 F360  ; move slowly to Y axis endstop once more (second pass)
G1 H2 Z-5 F6000   ; lower Z again
G90               ; absolute positioning

Home Z

; homez.g
; called to home the Z axis
;
; generated by RepRapFirmware Configuration Tool v3.3.14 on Sat Oct 29 2022 18:08:10 GMT+0100 (British Summer Time)
G91               ; relative positioning
G1 H2 Z5 F6000    ; lift Z relative to current position
G90               ; absolute positioning
G1 X-20 Y10 F6000 ; go to first probe point
G30               ; home Z by probing the bed

; Uncomment the following lines to lift Z after probing
;G91              ; relative positioning
;G1 Z5 F100       ; lift Z relative to current position
;G90              ; absolute positioning

Current firmware is
FIRMWARE_NAME: RepRapFirmware for Duet 2 WiFi/Ethernet FIRMWARE_VERSION: 3.4.4 ELECTRONICS: Duet WiFi 1.02 or later + DueX5 FIRMWARE_DATE: 2022-10-20 16:17:41

@Phaedrux hello Phaedrux! yes certainly, i will supply these in the morning (GMT 08:00) i will share these. I got these z steps per mm using the prusa calculator. I am using this Lead screw https://uk.rs-online.com/web/p/lead-screws/8625281?gb=s i also checked with verniers ie down 25mm etc.

Thank you.

@fcwilt Would increasing my Z offset bring it further away from the bed and then from there, i could baby step it down onto the bed? Or would it be the inverse (decreasing Z offset)

@fcwilt I do but it is empty. I am using a inductance sensor. I have done that G30 command proccess. But turned out the problem was that the bed wasnt level, anyways I used true bed levelling that sorted this. I repeated the proccess again, yet when the nozzle is touching the build plate it reads a z position of 1.4mm. Which i dont really understand?

@fcwilt It looks like the Z probe is 3.91mm away but the nozzle is touching the bed. I dont really understand...

@fcwilt Hi, i am using the duet reccomended way -> https://docs.duet3d.com/User_manual/Connecting_hardware/Z_probe_testing

The problem, i am having it seems, is that when I centre the nozzle and place it onto the bed after following this guide, it reports 4mm even though its technically zero (since the nozzle is touching)? I dont really understand whats going on here.

@gloomyandy ermmm, you may have got me onto this issue, its reporting 7.2mm.