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Archive for May 23rd, 2011

Thing-O-Matic: Platform Height Consistency vs. Build Plates

Posted by Ed in Machine Shop on 23-May-2011

After building a bunch of stuff (about which more later), the Skirt extrusions showed a consistent tilt of about 0.1 mm downward to the right and the Skirt along the that side was consistently around 0.42 mm thick. So I cranked the right side down by 0.10 mm (just over 1/6 turn) and changed the G92 setting to Z1.50 to move the plate up by 0.05 mm.

Three test extrusions in quick succession gave these results (in multiples of 0.01 mm). I used the plates in reverse numerical sequence due to an accident of history:

Plate 3 36 31
38 34 35 31
36 38 36 34
33 37
Plate 2 37 33
40 36 41 34
37 37 36 37
34 36
Plate 1 33 31
35 32 35 33
33 33 33 36
31 34

It just won’t get any better than that!

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