- August 15, 2017 at 10:51 am #41359
My bearing pulled a Bill, caused this one to fail about 30 minutes into a 8 hour print. Not to bad, first true fail of all 4 of my printers running since I designed them. I haven’t dug to deep but I suspect the bearing is going bad and got dragged out. We’ll see, for now I have to heat it up and lovingly rip the plastic off.
Anyone else got some nasty fail pics to post?
Attachments:August 15, 2017 at 6:28 pm #41420August 15, 2017 at 6:43 pm #41423
Big ol turn on that one.August 16, 2017 at 1:29 pm #41507August 16, 2017 at 1:42 pm #41510
So glad I’m not the only one. I have no idea why it happened the bearing a rod are still good, I pushed it all the way back in and it has been going strong since that picture.August 16, 2017 at 2:17 pm #41511
Super Glue, lots of super glue.August 16, 2017 at 7:02 pm #41562
Okay this isn’t really an mpcnc fail but I felt it was somewhat on topic. I can’t watch this without laughing a little. It’s like showing mankind’s advanced technology and stupidity at the same time.
Wish I recorded this one time I lowered my z with an extruder way too low, planting it into a GLASS bed. Gotta give you props Ryan, you designed it for squashing in mind, you’re my machines hero.August 16, 2017 at 7:08 pm #41564
Oh man, I can’t watch that… I made it 31 seconds. Yikes.
At school some dude left the HASS to mill unattended, immediately after he started his job. It drilled something like 60 1″ holes about 2″ into the XY table. The professor was so pissed he took it off and left it in the CAD lab for a while and didn’t get it fixed for more than a semester.August 21, 2017 at 1:39 pm #42022
Almost did it..
Attachments:August 21, 2017 at 2:23 pm #42027Oh man, I can’t watch that… I made it 31 seconds. Yikes. At school some dude left the HASS to mill unattended, immediately after he started his job. It drilled something like 60 1″ holes about 2″ into the XY table. The professor was so pissed he took it off and left it in the CAD lab for a while and didn’t get it fixed for more than a semester.
Heh, my dad had a “bucket of shame” sitting beside the big metal shear in his welding class. Was full of shorter tape measures.August 21, 2017 at 7:30 pm #42054
Heh, my attempt at printing the ZenXY parts in silver turned out about like that. I’ve switched to black and they’re getting done. I did end up with a communication failure 8 hours into a 10 hour print last night though. 🙁August 21, 2017 at 7:49 pm #42056
From what I’ve heard the plexiglass doors do a pretty good job at keeping things that get thrown from going through. One thing that always scares me when I run the Haas mills at work though is the tool change on 100% rapids. I would NOT want to see a 10lb tool (I’ve heard it’s usually the heavy tools that are either unbalanced or not “marked as heavy” in the program that get thrown) be ejected from the tool changing arm. Those things move surprisingly quick, and when you’re around that, the loud first endmill entry on each part isn’t as scary anymore.August 22, 2017 at 5:07 am #42077
Dang! That video had my toes curling under the deskAugust 22, 2017 at 7:22 pm #42136My bearing pulled a Bill, caused this one to fail about 30 minutes into a 8 hour print.
I may have made myself a temporary solution, at least until I get around to reprinting that part. It turns out if you wrap it tightly with a big enough zip-tie, the bearings will stay in (at least through a six hour print). I did that to finish the ZenXY parts today… 😉September 20, 2017 at 9:16 pm #44322
For the bearings on the mk mount, do you put 2 on top and 1 on the bottom, or does it matter?September 21, 2017 at 12:00 am #44325
I don’t think it matters much but I always put 1 on the bottom, 2 on the top.
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