Posts made by vbtalent2

@mikeabuilder thanks for the great information and suggestions...

I'm surprised with the too close to the bed thought, I'm using a CR Touch and have gone through the setup more than once, I bought the tool to eliminate the guess work. The temperature comment I can understand, it looks too "liquid" to me also, I think the 1st and 2nd layers were printed at 210, as well as the detail part.

I'm guessing that I really need to print a Temperature tower, are there any good models out there, and do they adjust the temperature for you or do you have to adjust as it prints??

Today I was running some tests on a Test cube printing at 185 and raised the tip .010. Still some noise in the print and it still looks too hot. I'm wondering if there might be a problem with the thermistor cartridge and the temps are off?? I'm going to do some work here for sure.. I think a temp tower is probably my next best avenue.

Over extrusion seems logical, but I've also gone through the extruder setup a couple of times. I've measured and marked the filament and fed the extruder 5mm from the control panel, and it seems to exactly feed 5mm. Its tough to work on all of the issues at once.. so I'm thinking a temp tower still might be my best starting point. I may also change back to the grey filament, its easier to see...

I took your advice on the sock, I cleaned the tip and trimmed the sock to expose the tip better and to eliminate the possibility of dragging if it were to occur.

I've also switched to using Prusa as a slicer, I like the interface and like all of the other slicers there, there are a lot of options! I'm trying to stick to the basics as the moment. Layer hieght, retraction, temp, etc.

I've been doing some more work on my printer and feel that I'm getting closer to resolving the issues. I still seem to be plagued mostly by what I would call the lack of "higher definition" in prints and of course the "blobs" which I think are happening at the layer change or even just a repositioning of the printer head.

PLA Hatchbox
215 1st layer
210 remaining layers
.04 nozzle
Bowden extruder
Retraction 3mm/50

I believe I was able to finally dial in the 1st layer, and the temp as can be seen from this print. To me it looks like a perfect first few layers and continues throughout the print. Notice there is a "blob" at the layer change, pretty consistent and also when the head moves. During this print, I made a change to the "extrusion factor" midway through to see the impact, so I think that is the abnormality that appears in the walls. Because of the shape in this print, the definition issue doesn't appear.

So I shot some more video and you can clearly see the print head stop at the layer change, which is where the blob is happening. So how do I get rid of that blob???

Print

This was another model I was printing that required better detail. This is where I was noticing the lack of "detail" in the print, it just looks runny.. I also printed this model a second time with a layer height of .013 instead of .020, the detail perked up a bit but I'm not sure if its just masking a problem??

I apologize for dumping alot of info out there, just trying to put out as much info as I can so that I might get some guidance on how to resolve these issues.

VB,

@mikeabuilder thanks for the reply... I understand the rounded tops, makes total sense.

How will I be able to tell if its over/under extruding?

Any thoughts on the blobs when its moving to the next line to print?

VB,

I'm still having issues getting consistent prints and a little lost on where to start.. I thought I was getting close after getting the nozzle dialed in but, no...

So I recorded a few short videos so people could see what was going on..

In this 1st video, there's no material coming out when the print starts and when it does it looks like a blob and doesn't seem to stick?

1st print

this second video just seems to compound on the problems, each successive line print creates another blob at the starting point and gaps can be seen in the "finished" section, it's just junk.

Gaps and Blobs

The third video, is just showing the progression and is a bit clearer where you can see the mass of material where each line starts as well as the gaps.

blobs continued

I also snapped a few pics of the print, hoping to get some clearer images.

Any suggestions would be helpful...

VB,

@vbtalent2 said in Hoping for a little print failure guidance...:

I'm assuming that this should check the box on the Extruder feeds and amount of material as well as Nozzle distance to the build plate, correct?

I'll follow up in another thread about the mechanics to keep things clean and separated.

If it were you troubleshooting the next where would you start?

Wondering if anyone had any input to my last few questions in my last post???

Thanks.

I really appreciate the insight and help...! you guys are great...

I'm assuming that this should check the box on the Extruder feeds and amount of material as well as Nozzle distance to the build plate, correct?

I'll follow up in another thread about the mechanics to keep things clean and separated.

If it were you troubleshooting the next where would you start?

VB,

Again thanks for all of the information and suggestions.

I've changed the first layer to .02mm and I slowed down the print from 60mm to 30mm. I keep pushing the nozzle down .05 while test printing, I think its getting close.. thoughts? The rings are built from the center outwards, so the nozzle is getting closer the further out from the center.

VB,

Making some progress... but still uncertain of the closeness of the nozzle to the bed???

The setting in Cura for filament size was the key, I'm printing with 1.75 PLA...

Here are a few pics as I was trying to dial in the nozzle to bed adjustment, using the "Baby Stepping". I closed down the gap by .020 (is that a lot?), I'm uncertain if I'm now too close??? Also, there appears to be a lot of artifacts in the print.

VB,

Thanks for the great reply's...

Last night I got busy and started setting the nozzle closer to bed, I did make some progress. I think I'm pretty close, maybe flattening too much, but I still think there's not enough material being extruded even though I've nearly halved the amount that was already calculated, at least that's my feeling (see pic)?

@mikeabuilder "If you are not aware of the "baby steps" button in DWC and PanelDu"

I noticed the "Baby steps" buttons but was uncertain of exactly how much the increments would impact the closeness of the nozzel so I was doing small increments via editing the config.cfg. I'll try the buttons next... cool feature!

I can do a feeler guage... appx. what should be the starting/ending thickness?? great idea by the way...

Maybe its a Cure setting that's causing the extrusion issue??

Is Cura also not the "best" for beginners to start with?

VB,

EDIT

Upon looking through the Cura settings you were correct in the material thikness. I'm using 1.75 but Cure=a generic PLA is 2.85, and won't let me change it and gives the following error..

@MJLew said in Hoping for a little print failure guidance...:

@vbtalent2 It looks like either the nozzle is too far from the bed or the extruder is not extruding enough filament. The symptoms of both are pretty much the same. Have you confirmed the nozzle height and the e-steps?

I followed the (Extruder setup )pretty closely but will be double checking that setup now that you've given me some direction...

When setting up the nozzle I used a piece of paper as the guide to determine the closeness which seems to be pretty standard. As for adjusting the nozzle, is it reasonable to try and adjust it down in small increments and try to re-run the code?

VB,

I need a little help identifying what my next course of action is to resolve the print failure I'm experiencing.

I was having a hard time getting material to stick to the build plate, so out came the blue tape., I wanted to quickly get an idea of where I stood.

This is a relatively new setup on a CoreXY build running Duet2 wifi and I've performed mesh bed leveling.

This was an attempt to print PLA, I used Ultimaker to generate the code... I think the top portion of the G-code holds the relevant info.

;FLAVOR:RepRap
;TIME:2829
;Filament used: 1.56168m
;Layer height: 0.1
;MINX:-97.8
;MINY:-97.8
;MINZ:0.3
;MAXX:97.8
;MAXY:97.8
;MAXZ:0.3
;TARGET_MACHINE.NAME:Unknown
;Generated with Cura_SteamEngine 5.7.2
T0
M190 S60
M104 S200
M109 S200
M82 ;absolute extrusion mode
G28 ;Home
G1 Z15.0 F6000 ;Move the platform down 15mm
;Prime the extruder
G92 E0
G1 F200 E3
G92 E0
M83 ;relative extrusion mode
G1 F1500 E-6.5
;LAYER_COUNT:1
;LAYER:0
M107
G0 F3600 X-10.622 Y17.8 Z0.3
;TYPE:SKIRT
G1 F1500 E6.5
G1 F1800 X-12.679 Y17.378 E0.0395
G1 X-14.45 Y16.383 E0.03821
G1 X-15.448 Y15.61 E0.02375

So does anyone have suggestion on if this is a material/feed problem or a bed leveling problem?? All ideas and suggestions are welcome...

VB,

Thanks for all of the information, I will continue to perform the upgrades to get to 3.5.2, I thought the WIFI would have upgraded when I did full fresh install with 3.5.1 but I will also perform that upgrade as well;

As for the extruder, it's now working. I think it might have been a mixture of issues,,, the code error M960 and the tool not being uncommented. I was able to calibrate the extrusion and all seems to be working fine.

Much appreciate the assistance.

VB,

Sorry I didn't realize they were diagnostic commands..

m122.txt

@infiniteloop

The screenshot was taken after I had shut down the HotEnd, sorry for that..

Yes, I have been clicking in the column for on/off...

@Phaedrux

Wouldn't T0 be the HotEnd and not the Etruder??

config.g as requested in its current state..

; Configuration file for RepRapFirmware on Duet 2 WiFi
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.5.4 on Mon Jul 29 2024 07:12:52 GMT-0400 (Eastern Daylight Time)

; General
G90 ; absolute coordinates
M83 ; relative extruder moves
M550 P"Duet2" ; set hostname

; Network
M551 P"closet_p2345" ; set machine password
M552 S1 ; configure WiFi adapter
M586 P0 S1 ; configure HTTP

; Smart Drivers
M569 P0.0 S0 D2 ; driver 0 goes backwards (X axis)
M569 P0.1 S0 D2 ; driver 1 goes backwards (Y axis)
M569 P0.2 S1 D2 ; driver 2 goes forwards (Z axis)
M569 P0.3 S1 D2 ; driver 3 goes forwards (extruder 0)
;M906 X1700 Y1700 Z1700 ; set motor driver currents

; Motor Idle Current Reduction
M906 I30 ; set motor current idle factor
M84 S30 ; set motor current idle timeout

; Axes
M584 X0.0 Y0.1 Z0.2 ; set axis mapping
M350 X16 Y16 Z16 I1 ; configure microstepping with interpolation
M906 X1700 Y1700 Z1700 ; set axis driver currents
M92 X100 Y100 Z1600 ; configure steps per mm
M208 X0:300 Y0:300 Z0:320 ; set minimum and maximum axis limits
M566 X900 Y900 Z12 ; set maximum instantaneous speed changes (mm/min)
M203 X6000 Y6000 Z180 ; set maximum speeds (mm/min)
M201 X500 Y500 Z20 ; set accelerations (mm/s^2)

; Extruders
M584 E0.3   ; set extruder mapping
M350 E16 I1 ; configure microstepping with interpolation
M960 E1700 ; set motor driver currents
M92 E420    ; configure steps per mm
M566 E120   ; set maximum instantaneous speed changes (mm/min)
M203 E3600  ; set maximum speeds (mm/min)
M201 E250   ; set accelerations (mm/s^2)

; Kinematics
M669 K1 ; configure CoreXY kinematics

; Probes
M558 P9 C"^zprobe.in" H5 F120 T6000 ; Duet 2 WiFi/Ethernet, DueX2/5
G31 P500 X28.575 Y12.7 Z1.06 ; set Z probe trigger value, offset and trigger height
M950 S0 C"exp.heater3" ; Duet 2 WiFi/Ethernet

; Endstops
M574 X1 P"xstop" S1 ; configure X axis endstop
M574 Y1 P"ystop" S1 ; configure Y axis endstop
M574 Z1 S2 ; configure Z axis endstop

; Sensors
M308 S0 P"bedtemp" Y"thermistor" A"Heated Bed" T100000 B3975 ; configure sensor #0
M308 S1 P"e0temp" Y"thermistor" A"Nozzle" T100000 B4725 C7.06e-8 ; configure sensor #1

; Heaters
M950 H0 C"bedheat" T0 ; create heater #0
M143 H0 P0 T0 C0 S120 A0 ; configure heater monitor #0 for heater #0
;M307 H0 R2.43 D5.5 E1.35 K0.56 B0 ; configure model of heater #0
M307 H0 R0.472 K0.381:0.000 D3.86 E1.35 S1.00 B0    ; Autotuned configuration
M950 H1 C"e0heat" T1 ; create heater #1
M143 H1 P0 T1 C0 S285 A0 ; configure heater monitor #0 for heater #1
;M307 H1 R2.43 D5.5 E1.35 K0.56 B0 ; configure model of heater #1
M307 H1 R1.871 K0.319:0.000 D6.56 E1.35 S1.00 B0 V24.0  ; Autotuned configuration

; Heated beds
M140 P0 H0 ; configure heated bed #0

; Fans
M950 F0 C"fan0" ; create fan #0
M106 P0 S0 L0 X1 B0.1 ; configure fan #0
M950 F1 C"fan1" ; create fan #1
M106 P1 S0 B0.1 H1 T45 ; configure fan #1

; Tools
M563 P0 D0 H1 F0 ; create tool #0
M568 P0 R0 S0 ; set initial tool #0 active and standby temperatures to 0C

; Miscellaneous
T0.3 ; select first tool

I'm not sure where to find the M122 and M98 if not in the config.g file... ??

I was mistaken, I'm on 3.5.1.. not 3.5.2

@infiniteloop So just made a change from

; Miscellaneous
T0 ; select first tool

to the following

; Miscellaneous
T0.3 ; select first tool

I've got the HotEnd up to temp and I've sent a commands to the extruder... its giving some vibrations and even some noise when running the "unload" macro.

What's strange is I can turn the extruder motor end freely back and forth, unlike any of the other axis which appear to be getting power to hold them in place.

If I place my finger on the end of the extruder and send an extrude command, I can feel it vibrating.

It flashes "Busy" and I feel the end vibrating... but it not actually moving.

@jay_s_uk I had tried that earlier but it seems like there is some confusion between the Extruder and the HotEnd... after uncommenting the HotEnd stopped working.

Should I also be seeing an LED on where the extruder plugs into the Duet?

I think I have correctly wired and configured my config.c file but I'm still having some issues, I'm almost certain its config.c related.

Duet 2 Wifi
CoreXY
Bowden extruder

All axes are moving and performing as expected...1 item of note is that on my Duet where the drive is plugged in I do not see a red led lit, similar to the other drives (x,y,x)??

From the config file:

; Smart Drivers
M569 P0.0 S0 D2 ; driver 0 goes backwards (X axis)
M569 P0.1 S0 D2 ; driver 1 goes backwards (Y axis)
M569 P0.2 S1 D2 ; driver 2 goes forwards (Z axis)
M569 P0.3 S1 D2 ; driver 3 goes forwards (extruder 0)
;M906 X1700 Y1700 Z1700 ; set motor driver currents

; Motor Idle Current Reduction
M906 I30 ; set motor current idle factor
M84 S30 ; set motor current idle timeout

; Axes
M584 X0.0 Y0.1 Z0.2 ; set axis mapping
M350 X16 Y16 Z16 I1 ; configure microstepping with interpolation
M906 X1700 Y1700 Z1700 ; set axis driver currents
M92 X100 Y100 Z1600 ; configure steps per mm
M208 X0:300 Y0:300 Z0:320 ; set minimum and maximum axis limits
M566 X900 Y900 Z12 ; set maximum instantaneous speed changes (mm/min)
M203 X6000 Y6000 Z180 ; set maximum speeds (mm/min)
M201 X500 Y500 Z20 ; set accelerations (mm/s^2)

; Extruders
M584 E0.3   ; set extruder mapping
M350 E16 I1 ; configure microstepping with interpolation
M960 E1700 ; set motor driver currents
M92 E420    ; configure steps per mm
M566 E120   ; set maximum instantaneous speed changes (mm/min)
M203 E3600  ; set maximum speeds (mm/min)
M201 E250   ; set accelerations (mm/s^2)

; Kinematics
M669 K1 ; configure CoreXY kinematics

and additional config relevant protion

; Tools
M563 P0 D0 H1 F0 ; create tool #0
M568 P0 R0 S0 ; set initial tool #0 active and standby temperatures to 0C

; Miscellaneous
;T0 ; select first tool

When sending an G1 E100 F60 I get the following error.

After researching this error, I add the last line in the config.c file, uncommented of course. I didn't get the specific error any longer but still no extruder movement.

I'm getting a little confused on the T0, P0, E0.3, etc. lots of movement there, I thought T0 was the hotend and not the same as the extruder which I thought would be E0, ugh!

; Miscellaneous
;T0 ; select first tool

@dc42 Yes I do, thank you for checking.

Running into a couple of other smaller issues but I'm thinking its all config related.. I'll follow up with a new thread.

VB,