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Skew issue on xy-Axis  

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srdo
 srdo
(@srdo)
Active Member
Skew issue on xy-Axis

When trying to print some very accurate machine parts on my Mini+ I noticed that the base of some parts was not completely square.

I was doing some further checks and i noticed that the x and y axis of my printer is not completely square. I found guides for squaring the other axis but not xy-axis.

Here are some pictures that show a circa 1mm gap on the x-axis. I used carpenter angles and aligned them on one of the lines of the y-axis.

This is the resulting print line with the same 1mm gap.

 

The resulting test print is shown in the following images. As you can see it is no square.

 

What else can I check/do? I already followed the official prusa calibration guides.

Veröffentlicht : 15/08/2023 8:26 pm
str0gg
(@str0gg)
Eminent Member
RE: Skew issue on xy-Axis

https://www.printables.com/model/61817-prusa-mini-aligner

and when its straight again install next mod https://www.printables.com/model/51415-prusa-mini-z-axis-brace.

 

mini+ [bondtech dual drive, revo, reprinted with PA11-CF and ASA] lives in photo tent.
mk4 upgraded to S with mmu3 and gpio (with some parts reprinted) lives in prusa enclosure.
Voron 0 ldo kit with dragon burner and…

Veröffentlicht : 20/08/2023 7:04 am
srdo
 srdo
(@srdo)
Active Member
Themenstarter answered:
RE: Skew issue on xy-Axis

Thank you! I will give it a try.

Veröffentlicht : 20/08/2023 10:55 am
languer
(@languer)
Estimable Member
RE: Skew issue on xy-Axis

+1 on this mod

Posted by: @str0gg

... install next mod https://www.printables.com/model/51415-prusa-mini-z-axis-brace.

 

 

Veröffentlicht : 23/08/2023 4:11 am
srdo
 srdo
(@srdo)
Active Member
Themenstarter answered:
RE: Skew issue on xy-Axis

Thank you...I was able to square it using the linked Z-axis brace.

I fully disassembled the X-axis and Z-axis but was not able to identify the cause of the skew. The only reliable aligned result was when i used two carpenter angles to manually align the X-axis and then first tightended the Z-axis brace and afterwards the three stock screws.

Veröffentlicht : 27/08/2023 12:08 pm
str0gg
(@str0gg)
Eminent Member
RE: Skew issue on xy-Axis

Probably factory z bottom from petg is to soft. When I reprinted every thing with much stiffer material had no issue and every thing was straight.
In my opinion is absurd that with mini there is no aligning tool in the box.

mini+ [bondtech dual drive, revo, reprinted with PA11-CF and ASA] lives in photo tent.
mk4 upgraded to S with mmu3 and gpio (with some parts reprinted) lives in prusa enclosure.
Voron 0 ldo kit with dragon burner and…

Veröffentlicht : 27/08/2023 1:20 pm
srdo
 srdo
(@srdo)
Active Member
Themenstarter answered:
RE: Skew issue on xy-Axis

Will give that a try when disassembling the next time. But true - either the printer should be square by design or there should be an alignment tool.

It is my first 3d printer and I really like my Mini but that is a major design flaw.

Veröffentlicht : 27/08/2023 5:10 pm
str0gg
(@str0gg)
Eminent Member
RE: Skew issue on xy-Axis

Have identical feelings about it.

mini+ [bondtech dual drive, revo, reprinted with PA11-CF and ASA] lives in photo tent.
mk4 upgraded to S with mmu3 and gpio (with some parts reprinted) lives in prusa enclosure.
Voron 0 ldo kit with dragon burner and…

Veröffentlicht : 27/08/2023 5:22 pm
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