Hello,
Did any one had this issue where undercarriage plastic cover is sagging and scraping on base plastic grooves.
It makes really loud creaking noise and I can see plastic shavings.
Does the Y-axis cover have a high spot or is it not installed properly? Is it on the Y-axis cover or the main case? Do you have some sort of flat edge or something to troubleshoot with?
It seems just plastic cover sagging in front and mostly right side. I tried tightening screws on the bottom and it raised it by 1mm or so and it stopped creaking, but on next print after 1h it started creaking again. I thin when plastic heats it lowers a bit more and starts rubbing again.
I have the same issue. Have you solved it?
Have you submitted a ticket to support regarding this matter?. I just received an A1 and I am unaware of this occurrence.
They’ll be able to provide troubleshooting and you’ll know if it’s a secluded issue with previous manufactured models or not. Typically with my experience with support, they’ll either offer to replace part immediately if it happens to be a widespread issue or they’ll work with you to resolve the issue if possible before offering a replacement which means it’s contained. This is my opinion btw
same issue here. couldnt find what was scraping. i know if i left the back left of the top plastic cover raised a little it wouldnt do it. i tried tightening the Y axis belt, calibration etc but it didn’t see to help. its very mild right now, but maybe it gets worse?
I submitted a ticket and they send me a new cover. should arrive today. i had to take additional 2 pictures what i think are production or batch numbers engraved. they will investigate further.
I know this is an older thread, but I’m having the same problem. When the undercarriage of the A1 moves quickly, it drags along the bottom of the cover plate. It sounded like horrific gear skipping, but it wasn’t (belt is properly tensioned). Removing the cover plate eliminates the noise, and pressing down on the cover plate recreates the noise.
I see no way to adjust this as the tolerance between undercarraige scraping the bottom of the plate, and the top of the carriage hittong the top of the plate is very narrow.
Did the replacement plate solve the problem?
Same issue, any resolution? Do I just need a new plate?
I had this start happening this week. Seems like for me at least, the cover is sagging based on what i saw. I had spent a few days printing ASA and closed up the tent around the A1, so im thinking it didnt do well with the heat.
Now looking to print some PETG supports to see if that will help support it.
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Having a similar issue and would love to know if supports solved the issue for you?
Yep. Printed a long square support using ABS glass fiber (cause i bought it from bambu and hadnt had a use for it yet) and its done the trick. Petg probably would have worked as well, but like i said i wanted to try the GF.
Inserted in one of the channels and glued it in. Been a few weeks with no issues or scraping.
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That is good to know, I tried a simple brace ( a strip like this one [makerworld]/en/models/810754-a1-y-axis-cover-tension-bar-warped-cover-fix ) that would plug into the hexagonal grid under the cover but that did not work. Could you please share you model or stl files?
WarpedPlateSupport.3mf (24.6 KB)
Here you go. Had printed it originally using ABS glass fiber for heat tolerance and superglued to the bottom plate down the center channel.
DISCLAIMER!
I don’t make guarantees or anything and you normally shouldn’t glue stuff to your printer normally, so use at your own risk!
Thanks ! Will try this today