@quinn post your config.g and homing files so we can see what the printer is trying to so.

It's best if you post them as text using the code snippet tool (looks like </> and is two along from the bullet point button at the top when posting)

@bart1992 I guess DWC 2.0.7 doesn't support multiple bed heaters. Probably that's because the status report that DWC 2 and earlier use doesn't have multiple values for bed heaters. DWC 3 uses the RRF3 object mode instead and does support multiple bed heaters.

@dc42 Excellent!!! Thanks for the update! I'll give it a whirl this weekend.

Here is a video on the topic, measuring the force applied on the hotend by the extruder, in a dedicated test contraption.

https://youtu.be/rrz3bbsnMUI

@topenga said in securly BLTouch deploed as Trigger:

M401 P0 S1 ;Deploy probe

it's not necessary to manually deploy the probe pin. Perhaps this is your problem.

@topenga said in securly BLTouch deploed as Trigger:

M402 ;retrec Probe
G92 Z5.9

Same for retraction.

And you probably don't want to use G92 to force a position if you're trying to use the probe to set Z0.

You should calibrate the Z offset instead.

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

@jujudelta 😆

Good morning and Happy New Year to all,

with reference to this post, I wanted to point out that I have solved almost all the problems by completely redoing the print bed support. For some reason it was deforming due to heat, unevenly and this was creating levelling problems.
At the moment I am using an "aluminium tile", of those commonly used for suspended floors, and this has allowed me to solve the problem of mesh compensation.

Now I'd just like to insert a "dynamic" control in the mesh.g file (I saw it in one of your files but I don't remember who or where) so as to use a 600x600 mesh when the object to be printed is large, and a 300x300 mesh when the object is smaller. maybe @fcwilt was the author... but I'm not sure.

Could you please help me?

@spirit-robotics Hi everyone, weekend was busys, but today I find the time to test. It's work now the electromagnet into the PWM fans. Thanks to all

Best

2022-01-10.png

however I would check the mechanics from the belts to the bearings and the frame, from the graph you can see many peaks of great value, which suggests a significant mechanical instability ... I'll show you my graph by X axisCattura.JPG

@phaedrux Thank god you told me. After I used the adapter the noise level dropped significantly.

@engikeneer
The testing continues. Thank you again for your suggestions.
I did a test to see if temps made any difference. Printed a cylinder and went from 200c to 220 in 5c increments every 10mm. Zero no difference in how the seam was printed. Bit surprises it made no difference but a worthwhile test.

I have continued with some box tests. I thought I was making progress but still cannot find a PA setting to get the sword test print I have to not weld itself together and I really don't want to have to use the slicer wipe function as that only works on a retraction. Anyway here are some pics of the box tests

IMG_8045.JPEG IMG_8046.JPEG IMG_8047.JPEG IMG_8048.JPEG

Looked like there was a sweet spot between 0.9 and 1.1 but my print to try and find it didn't really have a huge range of differences.

I found a forum thread here that talks about LOWERING the jerk on the travel axis.

Worth a shot, so i have halved my XYZ (delta) jerk speed from 900 to 450 and did another box test

IMG_8044.JPEG

This looks quite encouraging somewhere between 0.3 - 0.6

On all of the pictures, the black mark shows when the PA value was changed.

I am currently running the same test but with a 30mm cylinder to see if they compare to how the box prints or if it is different.

My bowden tubes are tight in the clips. I haven't yet checked about the backlash but I think in the tests I have done that could have been canceled out. Will check anyway once i stop the next print.

M201 X5000 Y5000 Z5000 E10000 ; Set accelerations (mm/s^2) Used to be 1500 M203 X18000 Y18000 Z18000 E20000 ; Set maximum speeds (mm/min) M566 X900 Y900 Z900 E1000 P1 ; Set maximum instantaneous speed changes (mm/min) M207 S3.0 F5000 T3600 Z0

My current settings. The last picture is using 450 for XYZ jerk values.

Thank you all for your quick and efficient help.
I found the error, it was here:
G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets
It was Z0.6, after an earlier setup and I skipped over it several times. In my case, zero is a good solution.

Hi,
Eduard

@phaedrux from the time I started with 3D printers, I used to find really difficult to adjust the nozzle Z-Height by moving the Z-Endstop up and down. That's the main reason I tended to do it that way. I am not saying it is not possible, but I am unable to physically move one endstop on an Al-Profile by 0.x mm. Even if I loosen it up, and move it, say, 0.2mm, by the time I tighten it again, the forces upon the screw have already moved it...

anyway... I've made some progress yesterday and today. The main problem was that actually one of the wires on one motor was not crimped correctly. After that, I only had to adjust the code I was given. After modifying the endstops configuration and axis configuration, I had to modify the homeall.g and the homey.g files, which I attach here for future reference:

homeall.g

G91 ; relative positioning G21 ; Set units to mm G1 H1 Z{move.axes[2].max*2} F900 ; move quickly to Z axis endstop and stop there (first pass) G1 H1 X{move.axes[0].max*2} F2400 ; move quickly to X axis endstops and stop there (first pass) G1 H1 Y{move.axes[1].max*2} F2400 ; move quickly to Y axis endstops and stop there (first pass) M584 P4 ; set 4 axis CNC M669 K0 X1:0:0:0 Y0:1:0:0 U0:0:0:1 Z0:0:1:0 ; enable speed for U axis G92 X{move.axes[0].max} Y{move.axes[1].max} U{move.axes[3].max} Z{move.axes[2].max} ; Set Home Position G1 X-3 Y-5 U-5 F2400 ; go back a few mm in Y and U G1 Z-3 F900 ; go back a few mm in Z G1 H1 Y{move.axes[1].max*2} U{move.axes[3].max*2}F300 ; move slowly both Y and U axis enstops and stop there (second pass) G1 Y-0.23 F150 ; fully align gantry IMPORTANT move only in negative direction (select Y or U and change accordingly) G92 Y{move.axes[1].max} U{move.axes[3].max} ; set Y and U home Position M584 P3 ; set 3 axis CNC M669 K0 X1:0:0:0 Y0:1:0:1 Z0:0:1:0 ; enable Y speed for U axis G1 H1 X{move.axes[0].max*2} F300 ; move slowly to X axis endstops once more (second pass) G1 H1 Z{move.axes[2].max*2} F300 ; move slowly to Z axis endstop once more (second pass) G92 X{move.axes[0].max} Y{move.axes[1].max} Z{move.axes[2].max}; Set Home Position G90 ; absolute positioning

homey.g

G91 ; relative positioning G21 ; Set units to mm G1 H1 Z{move.axes[2].max*2} F900 ; move quickly to Z axis endstop and stop there (first pass) G1 H1 Y{move.axes[1].max*2} F2400 ; move quickly to Y axis endstops and stop there (first pass) M584 P4 ; set 4 axis CNC M669 K0 X1:0:0:0 Y0:1:0:0 U0:0:0:1 Z0:0:1:0 ; enable speed for U axis G92 Y{move.axes[1].max} U{move.axes[3].max} Z{move.axes[2].max} ; Set Home Position G1 Y-5 U-5 F2400 ; go back a few mm in Y and U G1 Z-3 F900 ; go back a few mm in Z G1 H1 Y{move.axes[1].max*2} U{move.axes[3].max*2}F300 ; move slowly both Y and U axis enstops and stop there (second pass) G1 Y-0.23 F150 ; fully align gantry IMPORTANT move only in negative direction (select Y or U and change accordingly) G92 Y{move.axes[1].max} U{move.axes[3].max} ; set Y and U home Position M584 P3 ; set 3 axis CNC M669 K0 X1:0:0:0 Y0:1:0:1 Z0:0:1:0 ; enable Y speed for U axis G1 H1 Z{move.axes[2].max*2} F300 ; move slowly to Z axis endstop once more (second pass) G92 Y{move.axes[1].max} Z{move.axes[2].max}; Set Home Position G90 ; absolute positioning

the problem I found is that after reassigning the axis with the M584 and M669 commands, the homing is lost. Even if I want to split the combined Y into Y and U for the autosquaring, when the M584 followed by the M669 command is executed, all the homing are lost, even X and Z.

Now, as I was collecting the info for the update, I remembered that on my 3D printers I am able to set an offset for the Z probe with the G31 command. I was wondering if I could use this G31 command to set offsets for the Y and U axis. That way, I guess I could skip the moving of one of the axis "manually" ?? or am I missing something here?

Thanks a lot!

Thanks guys, I fix it.

@dc42 said in Heater fault on heated bed because it's rising to slow.:

@hestiahuang if the expected heating rate is 0.42degC/sec and actual is 0.14 then any value below 0.14/0.42 = 0.333 should work. I'll change it to 0.3 in the next build.

Tested base on today's version. Thank you very much! Seem 0.2 is better to me.☕
6232b882-cff8-4d4e-9abb-fe32b4600dfe-image.png
f5e46212-18a2-44ef-a67b-aee71d728691-image.png

@fcwilt
That's clever. I'll have a think about that.

@dc42 said in Temperatur offset:

@topenga see https://duet3d.dozuki.com/Wiki/Calibrating_thermistor_and_PT1000_readings. Your PT100 reading should be accurate, unless you are using a 2-wire connection and you have significant resistance in the cable to the PT100 (in which case it will read 1C high for every 0.4 ohms of resistance); but you may need to calibrate the bed thermistor input.

Hello DC42,

Thanks for answer.... Will try and return the outcome!

Danijel T.

@engikeneer said in PSU dedicated temperature control channel?:

I think it defaults to 100% (I've never specified the x parameter before) but can't hurt to define it like that

Many thanks! I think even such a configuration will be enough for most applications.
In any case, it is much (MUCH!) better than what is offered by the manufacturer in PSU industrial standards!

Just wanted to come back and say thank you to everybody, I've been terribly busy but that was it! It was a combination of ironing on every layer and the combing. I've turned off the ironing and combing and have MUCH MUCH better results!