Posts made by AimRabbit

After testing a lot with different settings and different filaments / manufactors my result is that the SunLu PLA+ is not a good filament and the diameter is changing at the print. I tested a lot of filaments but every other filament was printed very well.
So don't try the SunLu PLA+, you'll waste your money.
Thank to @Phaedrux your guess was right.

@frank26080115 said in Extruding stops after a few minutes:

What's your extruder?

Last time I had this problem, it was the heat from the extruder motor melting the filament as it was being driven.

Which explains why it happens exactly 20 minutes after a print, and why pausing a print would fix it, because the motor cools a bit.

I use the standard extruder that comes with the printer. I don't stop print I pull and push the filament on a running print.
The filament don't melt at the extruder it's more like what Phaedrux said. At some point the extruder start clicking and can't push the filament anymore. I've got the feeling that the point from Phaedrux with the retraction could be the problem. I just have to test it tomorrow.

@phaedrux said in Extruding stops after a few minutes:

Try reducing retraction a bit to see if it helps. I'm not familiar with the Chimera hotend, but maybe you can find some retraction distance guidance from E3D.

I've found that the Sunlu PLA+ does swell at the melted end quite a bit, so maybe test with some other filaments as well to see if it's different.

Ok, I will try with a different filament from a different producer and take a look if this could be the problem.
I will go tomorrow to a shop and buy some filament for the test. After my tests I will give you feedback.

@phaedrux said in Extruding stops after a few minutes:

How much retraction are you using? It's possible that you're pulling the bulging end too high into the heat break where it can get stuck.

I checked my retraction at Cura and it is 3.5mm. But it's sounds like this could be possible issue.

@phaedrux said in Extruding stops after a few minutes:

Have you done a cold pull of the nozzle to try and clear any blockages?

Of course, I have cleaned the nozzle, pulled out the filament, cut off the melted end and put it back in.

@phaedrux said in Extruding stops after a few minutes:

What does your temperature graph look like?

The temperature is straight and got a difference from +- 3°C.

@phaedrux said in Extruding stops after a few minutes:

What kind if filament is it?

Actually I'm trying to print PLA+ filament from Sunlu. Diameter 1,75mm.

@phaedrux said in Extruding stops after a few minutes:

Have you tried raising the temperature?

Yes I have tried raising the temperature but still same problem. I increased from 210°C to 225°C. Increasing the temperature in +5°C steps.

@phaedrux said in Extruding stops after a few minutes:

Is the part cooling fan blowing on the heater block?

Yes, the part cooling fan is blowing a bit on the heater block but the heater block has also this silicon cover around the block.

Hi together,
Now I got another problem which I realy not understand what to do and why it's causes.
At the beginning everything is fine and it's printing realy well but then after maybe 10-20 minutes the filament don't get through the hot end - if I pull it a bit back ( 1cm ) and then push it back in it will resume printing. What could that be and how can I fix this issue?

Printer information:
Tronxy X5S
Duet 2 Wifi
PanelDue 7i
E3D Chimera Hotend 24V
Nozzle 0,4
Heater Bed 24V
1x Tool Fan 24V
2x Part Fan 24V
PSU 24V / 15A

Thank you in advance for the help.

Sorry for not showing back for two weeks but I had got a lot of work to do.
What I can say about this problem. After I've got my 24V heater bed, the VIN is not decreasing anymore.
But now I got another problem which I realy not understand what to do and why it's causes.
At the beginning everything is fine and it's printing realy well but then after maybe 3-5 minutes the filament don't get through the hot end - if I pull it a bit back ( 1cm ) and then push it back in it will resume printing. What could that be and how can I fix this issue?

@phaedrux said in CoreXY axis don't move at printing:

My apologies, I didn't intend to sound sarcastic. It was just that a quick google search turned up several options in multiple sizes.

Here's a 330x330 24v: https://www.aliexpress.com/item/3D-Printer-MK2A-MK3A-Aluminium-Heatbed-Thermistor-Build-Surface-Sheet-300mm/32948965327.html

I bought now this one https://www.roboter-bausatz.de/833/mk2a-heizbett-300x300-mm because the one from aliexpress would take nearly one month to be send to me. But with your link I got the right model and found a lot of matches. Big thanks.

@phaedrux said in CoreXY axis don't move at printing:

My apologies, I didn't intend to sound sarcastic. It was just that a quick google search turned up several options in multiple sizes.

Here's a 330x330 24v: https://www.aliexpress.com/item/3D-Printer-MK2A-MK3A-Aluminium-Heatbed-Thermistor-Build-Surface-Sheet-300mm/32948965327.html

Wow thank you so much I'll go and order it right now! Thank you! I found nothing and thought I waste all my money.. I realy appreciate your help. I must order it... THANKS!

@phaedrux said in CoreXY axis don't move at printing:

@aimrabbit looks like you know the terms to google for then.

It's not that I'm tried to find one. But I only get undersized heatbeds so that's why I'm asking but if no one have an idea I have to find an other solution. And I'm don't asking just for fun... I'm asking because I'm stuck with the VIN problem from the beginning.
So I don't like your sacasm.

@phaedrux said in CoreXY axis don't move at printing:

From a little googling it looks like there is a Tronxy bed that is 24v compatible.

As for where you would be able to find it. I'm not sure about in Germany, but there's always gearbest. https://www.gearbest.com/3d-printer-parts/pp_314650.html

Sorry but this is a 230x230mm heatbed but I need a 330x330mm. It's 10cm to small.

@dc42 said in CoreXY axis don't move at printing:

@aimrabbit said in CoreXY axis don't move at printing:

@dc42 I have to correct my answer after using an other multimeter I get 1,3 ohm

That's a 12V bed heater. As you are using 24V power, you need a 24V one. That explains why your PSU was shutting down.

Is there a way that the heating bed can be used with 24V? Or do I have to buy a new one and where can I get a good one in that size?

@dc42 I have to correct my answer after using an other multimeter I get 1,3 ohm

@dc42 said in CoreXY axis don't move at printing:

Can you measure the resistance between the two wires? What size is the bed heater?

I measured 3 ohm and the size is 330x330mm.

@dc42 said in CoreXY axis don't move at printing:

Your power supply voltage is probably dropping when the bed heater turns on. Is your bed heater definitely a 24V one; or if it is dual voltage, have you wired it for 24V not 12V?

Yes it drops at heating the bed. I asked you that in an other thread but you didn't answer I thought of this it doesn't matter.
Ok now I take a look at it but there are no hints if it's 12V or 24V. I can see that there are 3 points where you can wire it. I took 2 pictures for you.

@phaedrux said in CoreXY axis don't move at printing:
canadian mouser store front

Sorry but I'm from germany and it's very expensive to ship and tax. But thank you now I know what I'll looking for. Hopefully everything will work after that replacement.

@phaedrux said in CoreXY axis don't move at printing:

Meanwell

Ok. And yes I have a PCB bed heater connected to the duet.
What a PSU could you recomment for a Duet 2 Wifi, PanelDue 7i, E3D Chimera, PCB bed heater, one tool fan and two part fans. I realy appreciate your help. Thanks a lot!

@phaedrux said in CoreXY axis don't move at printing:

Have you tested the output of the PSU with a multimeter?

It could be failing. Do you have another 24v PSU to test with?

Yeah you were right the VIN decreases from ~24V to ~10V.
Did you know a good PSU which I could buy? It seems that I have no luck with that printer.

I had to change nearly every piece exclude the frame

@mrehorstdmd said in CoreXY axis don't move at printing:

Is there a T0 or T1 statement to select a tool somewhere in a config file or in the print gcode?

I don't think so. I uploaded the gcode. It's in the first post as an attachment.

@Phaedrux I'll will check the VIN and give feedback in a few minutes

@phaedrux said in CoreXY axis don't move at printing:

What is your power supply?

Are the VIN terminals screwed down tightly?

PSU is 24V/15A
and yes I screwed it tight down.