What would you like to see in the 8-bit firmware?
 
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What would you like to see in the 8-bit firmware?  

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Jens
 Jens
(@jens-4)
Eminent Member
Vorschlag

Also was mir schon oft aufgefallen ist war am Anfang die Tatsache das wen ich ASA drucken wollte beim Vorheizen mit dem hinterlegen Temperaturprofilen mein Hotend extrem schnell auf 260 Grad gewesen ist, aber das Druckbett noch ewig gebraucht hat bis zu hinterlegen 105 Grad.

Ich bin dann dazu übergegangen zuerst manuell das Druckbett auf ca. 95 Grad zu heizen und dann das Hotend. Hat nach einigen Versuche bis auf die Minute genau funktioniert. 

Wäre es nicht möglich das im Slicer oder direkt in der Druckerfirmware  zu hinterlegen mit welcher Verzögerung das Hotend nach dem Druckbett anfängt zu heizen. Würde zumindest ein wenig Strom sparen bei dem Hobby 😉 Und für das Hotend wäre es glaube ich ganz gut wen nicht die ganze Zeit über das geschmolzene Filament in der Düse hängt.

Wen mir noch was Einfällt werde ich es Ergänzen. 

Viel zu lernen ich noch habe

Posted : 15/07/2021 6:52 pm
Stefan
(@stefan-3)
Estimable Member
Volcano heater block support ?

official  firmware support  for a volcano heater block.

Nobody else who wants to print functional parts faster but still with good layer adhesion?

I know nothing about firmware development, but imagine this should be easy to implement. Simply 8.5 (?) mm less Z height...

Posted : 16/07/2021 12:46 pm
FoxRun3D
(@foxrun3d)
Famed Member
hotend

It's just a slippery slope. Also add support for the Dragon? Dragonfly? Mosquito? Where do you stop? What if the 3rd party vendor makes changes that require modifications? I think Prusa has been very careful to only support their own configurations directly, by and large, to minimize the effort required to keep their firmware in sync with third party product changes. Would I mind having their firmware support other hotends? Of course not. But I'd fully understand if they weren't super keen on doing so. I have no data to back it up but I'm pretty sure 90+ of users never change their hotend. My only experience is with the Dragon hotend, and I found it easy enough to get it to work by adjusting startup gcode in PrusaSlicer.

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Posted : 16/07/2021 12:56 pm
bobstro liked
bobstro
(@bobstro)
Illustrious Member
Volcano No

 

Posted by: @stefan-3
Nobody else who wants to print functional parts faster but still with good layer adhesion?
Sure but you don't have to change the physical characteristics or firmware to do so. The Volcano is much longer than the V6 and prone to movement due to the increased leverage the length introduces to the mount. The Supervolcano even more so. The stock Prusa extruder doesn't move enough filament to take full advantage of either. 
 
I enjoy my Volcano, but it's a bit dated by now.
My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 16/07/2021 1:56 pm
Stefan
(@stefan-3)
Estimable Member
Volcano heater block

you don't have to change the physical characteristics or firmware to do so

So the XYZ-calibration would simply accept the 8.5 mm longer heater block and i only have 8.5 mm less Z-printheight ?

Posted : 16/07/2021 5:44 pm
GuyH
 GuyH
(@guyh)
Reputable Member
Send notification

I don't think this is possible as the 8 bit printers aren't network capable out of the box however what I would like to have is to be notified of a print event or failure. 

 

To expand, with the MMU2S unit I would like to know when it needs attention.  It's not often I get a perfect MMU print so when I need to attend to the printer having this notification would mean I don't constantly have to check it (I also use a blink camera to monitor).

Posted : 27/07/2021 4:38 pm
bobstro
(@bobstro)
Illustrious Member
There are other solutions besides the Volcano to increase hotend throughput on the Mk3
Posted by: @stefan-3

you don't have to change the physical characteristics or firmware to do so

So the XYZ-calibration would simply accept the 8.5 mm longer heater block and i only have 8.5 mm less Z-printheight ?

Sorry for the slow response, just noticed this. To clarify: YOU CAN USE 3D SOLEX NOZZLES so you don't need to change anything in your slicer or printer settings. Those nozzles DO NOT change the Z height. You get roughly the same increase in hotend capacity as you do by installing a Volcano hotend. There are also newer drop-in replacement hotends that replace the V6 without requiring changes. My point is that the Volcano is not the only way, nor is it the best way to "print functional parts faster but still with good layer adhesion".

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 27/07/2021 6:13 pm
Stefan
(@stefan-3)
Estimable Member
I still would like the firmware accept a volcano heater block 🙂

Thanks for your response.

I  recognized your mention of the 3D Solex Matchless nozzles earlier.  I wonder if you can do a cold pull with this nozzles... Also, i cannot find Info about the geometry of the nozzle tip.

I need to vary the extrusion width in my parts over a wide range and therefore i would like to stay with the E3D nozzle tip geometry.

Because i need strong layer adhesion, i currently do not print faster than 7-8 mm^3 /s.

So even with volcano heater block i would not print faster than maybe 12-14 mm^3/s and would not overload the extruder motor.

I agree, volcano looks a little "oldfashioned". 

I would not expect Prusa to support the volcano heater block in the form of selling / chat-supporting / troubleshooting it.

All i ask for is an option in the firmware to accept 8.7 mm less travel in Z (height difference between standard and volcano heater block)

 

Posted : 28/07/2021 9:31 am
cwbullet
(@cwbullet)
Member
cold pull

 

Posted by: @stefan-3

Thanks for your response.

I  recognized your mention of the 3D Solex Matchless nozzles earlier.  I wonder if you can do a cold pull with this nozzles... Also, i cannot find Info about the geometry of the nozzle tip.

I have a few of these nozzles and have performed a cold pull.  I can confirm it can be done.  Why are you concerned about doing a cold pull in these nozzles?

--------------------
Chuck H
3D Printer Review Blog

Posted : 28/07/2021 9:39 am
Stefan
(@stefan-3)
Estimable Member
internal 3d Solex Matchless nozzle geometry

this goes off-topic and i would prefer to discuss these nozzles maybe in a separate thread...

But due to internal nozzle geometry i doubt that the filament can be pulled out completely of the nozzle cavity.

Attachment removed
Posted : 28/07/2021 1:13 pm
bobstro
(@bobstro)
Illustrious Member
Cold pulls can be done with 3D Solex nozzles

It takes a bit of patience, but...

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 28/07/2021 1:44 pm
Stefan liked
cwbullet
(@cwbullet)
Member
Nozzle.

Thanks for posting the image.  I under stand the concerns now.  I just did not think about it.  

--------------------
Chuck H
3D Printer Review Blog

Posted : 28/07/2021 1:49 pm
bobstro
(@bobstro)
Illustrious Member
Newer hotend designs that maintain V6 hotend dimensions are probably a better option
Posted by: @cwbullet

Thanks for posting the image.  I under stand the concerns now.  I just did not think about it.  

3D Solex Matchless nozzles will be a challenge for things like filled and abrasive filaments (possibly). I ran mine 24x7 for a couple of months straight with no issues, but it's certainly possible. They're also not coated nor hardened.

To keep using E3D nozzles, using one of the newer drop-in hotend designs (Dragon, etc.) is where I'd start before trying to cobble in a Volcano. The Volcano is a very long hotend and having that wiggling about held only by the neck just isn't a very secure solution, and only adds to the concerns about nozzle changes etc. I've got one on my Sidewinder and am not thrilled with it.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 28/07/2021 2:15 pm
cwbullet
(@cwbullet)
Member
Volcano

 

Posted by: @bobstro
Posted by: @cwbullet

Thanks for posting the image.  I under stand the concerns now.  I just did not think about it.  

3D Solex Matchless nozzles will be a challenge for things like filled and abrasive filaments (possibly). I ran mine 24x7 for a couple of months straight with no issues, but it's certainly possible. They're also not coated nor hardened.

To keep using E3D nozzles, using one of the newer drop-in hotend designs (Dragon, etc.) is where I'd start before trying to cobble in a Volcano. The Volcano is a very long hotend and having that wiggling about held only by the neck just isn't a very secure solution, and only adds to the concerns about nozzle changes etc. I've got one on my Sidewinder and am not thrilled with it.

Thank for the explanation on the Volcano.  I have one but have never installed it.  I have read and done extensive research,  I plan to add on to my Chiron.  

--------------------
Chuck H
3D Printer Review Blog

Posted : 28/07/2021 2:20 pm
bobstro
(@bobstro)
Illustrious Member
FYI - V6 with 0.8mm nozzle works well with PETG at those speeds
Posted by: @stefan-3

[...] I need to vary the extrusion width in my parts over a wide range and therefore i would like to stay with the E3D nozzle tip geometry.

Because i need strong layer adhesion, i currently do not print faster than 7-8 mm^3 /s.

So even with volcano heater block i would not print faster than maybe 12-14 mm^3/s and would not overload the extruder motor.

FYI - The V6 can push 35-45mm^3/s of PETG with 0.8mm nozzles, so using a ~1.6mm extrusion width with a 0.64mm layer height through a 0.8mm nozzle will probably be OK at those speeds. There are larger nozzles available for the Volcano series of course.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 28/07/2021 2:40 pm
xenon
(@xenon)
Trusted Member
arcs

getting this integrated into stock prusaslicer and firmware would be fantastic

Posted : 31/07/2021 6:25 pm
Kalimero and Danie liked
towlerg
(@towlerg)
Noble Member
Arcwelder and a post processor and as a plugin

@xenon    Actually you already can, get the .exe version of Arcwelder and use it as a post processor for Prusaslicer alternatively it's available as a plugin for OctoPrint. Both of which are predicated upon the Arc function being enabled in Marlin (I suspect it is in the more recent releases).

Posted : 01/08/2021 12:54 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: machine control over pp scripts

Prusa Marlin knows G2 and G3 functions so far. These functions should be integrated into the slicer. This can also make the Gcode much shorter and more manageable, depending on the parts design. Furthermore, the USB or UART interface is also relieved by reducing the amount of data at higher movement speeds.

But as already mentioned, you can extend PS with PP scripts, which in principle works just as well. "Special functions" (G2 and G3 are of course standardized G functions ) are also solved for various cnc machine controls with CAM system PP scripts, so nothing unusual.

wbr,

Karl

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Posted : 01/08/2021 1:29 pm
Danie
(@danie)
Eminent Member
RE: Arcwelder and a post processor and as a plugin

This is a topic I cannot agree with more.  I think it just makes absolute sense and should be in all printers, CNC's, laser cutters etc.

Posted : 02/08/2021 9:20 am
Eric E
(@eric-e)
Member
32 bits or bust!

Why do we heat the bed for filament unload?

Why does the head move to the back corner but not UP when we cancel the print.  Nice that it moves back, but UP would make it easier to remove the build plate and clean up the aborted print.

Where is support for a BLTouch style bed probe?  I have a fist full of build plates.  I switch them around all the time.  Why do I have to fuss at the printer console for each change when the printer could take care of it all by itself?  A Super Pinda is $26.  A BLTouch is $35.

Where are the missing 24 bits?  The firmware needs an upgrade path to 32 bits.

Don’t trust forum advice.

Posted : 07/08/2021 7:18 pm
ssill2 liked
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