My MK2 prints erratically on the X-Axis-- I have ideas, but I'm unsure what to do, and I'd like to hear other opinions (also, what kind of axle grease should I use?)
I've had an i3 MK2 which I assembled from the kit for quite some time now, but after building at first it didn't clear calibration. At that time I couldn't fix it, but now I've finally got it working, with some issues. Most of the issues I've been able to work out, except it still prints erratically on the X-Axis. I attached pictures of my attempt at printing a Benchy, you can see how everything is aligned correctly from front to back (my Y-Axis), but it gets gappy when printing from side to side (my X-Axis). For example, the chimney is the correct width on the Y-Axis, but is squashed and uneven on the X. Is this an issue any of y'all have seen before? My only ideas are that either my X-Axis motor is just broken, or that my X-Axis just isn't lubricated well. It occurred to me that since I haven't been using my printer for such a long time, it's been getting dusty, and I've been wiping the dust off the rods along with any lubricant (which wouldn't be as much of an issue on the Y-Axis rods, because they're covered by the bed). On that note, what kind of lubricant would y'all recommend? Anyway, I'm relatively new to all of stuff, so any help y'all can give me would be much appreciated.
RE: My MK2 prints erratically on the X-Axis-- I have ideas, but I'm unsure what to do, and I'd like to hear other opinions (also, what kind of axle grease should I use?)
Most of the time this is caused by gear placement wrongly make sure the gear is tight and the screw should be on the flat side of axel photo of it please if that doesn't help make sure gear also isn't rubbing
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Prusa's default lubricant is a light grease but a couple of drops of light machine oil wiped onto the smooth rods are usually OK.
This looks like either belt slippage, or more likely drive pulley slippage as @hello suggests.
See step 13 of: https://help.prusa3d.com/guide/3-x-axis-assembly_81536 The flat pad must be oriented correctly.
Cheerio,
RE: My MK2 prints erratically on the X-Axis-- I have ideas, but I'm unsure what to do, and I'd like to hear other opinions (also, what kind of axle grease should I use?)
Prusa's default lubricant is a light grease but a couple of drops of light machine oil wiped onto the smooth rods are usually OK.
This looks like either belt slippage, or more likely drive pulley slippage as @hello suggests.
See step 13 of: https://help.prusa3d.com/guide/3-x-axis-assembly_81536 The flat pad must be oriented correctly.
Cheerio,
I was trying to find that exact link when I was posting
Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models
RE: My MK2 prints erratically on the X-Axis-- I have ideas, but I'm unsure what to do, and I'd like to hear other opinions (also, what kind of axle grease should I use?)
Posted by: @vas
On that note, what kind of lubricant would y'all recommend?
NLGI 2 class lithium soap greases are recommended for lubricating the linear guides, whereby the grease manufacturer plays a minor role.
wbr,
Karl
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