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Attempting (and failing) to fix the CR-10 Max (Patreon)

Published:
2019-08-22 07:35:33
Imported:
2026-06
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Content

Dear Patrons,

I finally dusted this beast off to unclog the hot end and replace the broken BLtouch. That went fairly well but then the print failed after an hour or so. I noticed the extruder skipping steps and also that the extruded plastic has poor adhesion.

My next steps are to check and raise the VREF, and probably up the nozzle temp to help take load off the extruder. With the clicking extruder bgeing the latest in problems, this will not be a glowing review. Still hoping to at least print some really big, cool things for that video.

Michael

Files

Previews only

bs011 cr10max fix

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Comments

JAYTEE

Bugger

Short Attention Span Hobbies

Has the "Max" exceeded the reliable capabilities of the hardware and firmware? Or did you just get a lemon, a dud, a one-off defective unit? (The challenge of trying to cover multiple colloquialisms in one sentence.)

Short Attention Span Hobbies

That drooping Bowden and cabling makes me nervous. Though it looks like it is high enough to clear the print, The rather strange bungie cord holder on the large format Formbots is looking more functional suddenly.

Peter Richards

The hanging bowden can hit the print, it did on mine, I printed a little bracket to hold it up that attaches to the X axis.

Peter Richards

I'm having a similar problem with my CR10, check the e-steps. When I checked feed 100mm of filament, it only fed 76.

Elio Ross

Set your PTFE free. After doing a lot of mechanical design working with cable actuated equipment that works exactly the ptfe tube with filament inside, I have found if you over constrained it, it will create a lot extra drag in the system. Cut it free, maybe with one lightly hanging point to get a nice curve. It makes a difference. Some machinery have gone from jammed and locked cables to running smooth and free just by setting them free.

Phil Andrew

Oh dear.... Bet that caused some bad language.. Looking forward to seeing your workarounds on this one.

Martin Pirringer Old Dude with a Pulse

Feel sorry for you on that. We (FRC Team 1989 A HS robotics team) decided on an anycubic Chiron for a big printer its a little smaller but works great so far. Currently mostly printing HIPS at 255 Nozzle and 105 bed. Will use a lot of your suggestion to do some mods. What helped that sometimes clicking extruder was to replace the PTFE tube with a Capricorn as the one that came with it started to turn black and deformed at the end and gave us some problems. We will replace the Extruder with a BMG as it has problems pulling filament from the print dry reliably and put a true volcano on it to go above 260 as we will enclose it and print lots of Nylon too. But since the switch to capricorn 2 kg of hips with a .8 nozzle with 0 problems. Keep up the good work you are very helpful and you, Angus and CNC Kitchen got us started on our quest to 3d print our robot (current one will be 30x30x48 in and use about 25-30kg of filament

Henrik Noaksson

Have had a problem like this on my ender 3, turns out it was the cooling fan not working as it should, and by that heat creeped up to the ptfe tube and deformed it. Changed the nozzle and cooling fan and snippde off some of the ptfe tube and havent had any problems after that.

Michael Wigan
>>26148842

Hi Martin, I have an ender3 and I want a second printer with a larger bed (400mm min) and not looking to spend a fortune. The chiron looks to be good value. Have you had any creality printers to compare it to? Do you still like it?

Neil Rosenberg

Wonder if you fixed this yet. I had an odd failure on my CR10sPro that had similar symptoms. Turned out the star wheel on the extruder motor had wandered up the shaft and was no longer engaging the filament. To fix this I removed the motor, drilled a little dimple for the grub screw in the motor's shaft, and put Loctite on the screw before reassembly. Hasn't failed since.

Teaching Tech
>>32670654

After fitting the Hemera/0.6mm volcano and tidying up some wiring the Max is now one of my go to printers. Anything big and structural is turning out very well and quite fast too.