Posts made by XSIVSPD

@dc42 this would be an amazing addition if it's possible!

@phaedrux I'm also interested in this. It'd be nice to have an easy way to focus the laser... Currently I just set it to low power with low speed, but that's not optimal.

If there's no firmware way is there an easy macro that would work? I'm on rrf 3.1 I think.

Thanks!

@deckingman thanks for all your knowledge and helpfulness on this forum!

I'm thinking of making a MMU2 type multi-material setup that's run via the duet and a duex5 so this thread has been super helpful!

I have a BMG that is currently set up as direct drive, and i would like to keep it where it is so that i have the excellent extrusion control that it gives me.

My question is: do both drives need to be set to the same steps/mm ?

the BMG is 3:1 and the mmu plans that I'm looking at are directly driven by hobs off the stepper shaft. can i set that up with m92 since (im assuming) I'll need to define the additional stepper as U or V axis

Thanks in advance!

@tletourneau

How do you like the 500? I'm about ready to purchase and still can't find any real reviews.

Anything you've changed or want to change? How stable is it?

Thanks!

actually, you answered some of my unasked questions with the off-topic lol. Ive been seriously considering getting a tronxy x5st-500 to add to my collection and minimize the large stuff that needs to be printed on my delta... it has effector tilt issues that id need to buy more parts to fix and im tired of throwing money at it. I want something BIG, sturdy (the 500 uses 4040 and 2040 rails) and that can print at least the non visible stuff at at least 100mm/s, and i want to be able to enclose it easily so i cant print PC

@jamesadoty there is a jumper, but i think you can only set the fans to either whatever the input voltage is or 5v. Fans are cheap too, i get them on amazon so I can return them if they don't perform like they're supposed to.

good idea on the plug, i should do that at somepoint...lol

@jamesadoty I think you can measure resistance on the pads on the bed to figure out how to wire it for 24v if its 2 separate circuits i think itd just be running them in series vs parallel (same with the fans if youre running 2 of them i think). you may be able to get by with your heater cartridge temporarily by limiting the max on value for it, but ive not experimented with that.

Im sure that others know more than i do about this lol

@jamesadoty are you running 12v or 24v? from what ive read of the x5s series they are under powered on 12v and running the bed heat or even having the hot end heating up aggressively can cause the issues with missed steps. also, stepper motors run at high speeds better on higher voltage, i noticed a huge gain in performance going from 12v to 24v and then again up to 36v (external drivers) for the nema23 steppers on my cnc router

@deckingman thanks for the heads up on real time output. i checked that versus the projected filament use based on the flow modifier that works at low speed and it was very close to dead on.

Hopefully it was just a one time thing... I hate chasing intermittent problems, especially electrical ones.

@deckingman well, it seems like it's working properly now... i did power cycle it since the last print... maybe that was the issue? it usually stays on due to being plugged into a computer. maybe it needs occasional reboots?

printed the same part that was at 50mm/s at 300% speed and the same extrusion factor and it still looks good.

@deckingman I thought that it would be highly unusual also! I'll give that a try once my current print is finished. Where exactly should i look for that? "File Information" or the "filament Usage" over the progress bar in web control? I thought about that previously but just assumed that those numbers were generated by the slicer, not the boards' actual count.

Ive just been making everything the same speed and then babysitting it for any layers under my minimum layer time. its a little more hands-on than i like sometimes.

This happens both if i increase/decrease the print speed in the slicer or if i do it via web control with leads me to believe that its a setting somewhere

Im having a weird problem that i cant seem to find when searching. Using a duet Ethernet on a good sized delta with a BMG set up as a flying extruder and about 120mm bowden between in and an e3dv6.

The faster I print, the more I need to DECREASE the extrusion factor. example: using amazon basic black PLA I can print @ 50mm/s and 102% extruder flow and it prints perfect. If i increase to 80mm/s i need to DECREASE the extrusion rate to ~87% If I print @ 100mm/s i need to DECREASE extruder flow to ~70%. I thought maybe this was due to having non-linear extrusion enabled, its not enabled at all.

This wouldnt be a problem if it didnt scale with speed... infill and supports get printed and higher speed than inner walls, and inner walls print faster than outer walls so if i make the outer walls look good, i get severe over extrusion on everything else.

Any ideas?