How to find the error of my CNC

[paulus.v]

I cannot see why and how would you disassemble and/or move a 4 meter long cnc. I see it bolted down on a thick concrete floor in its final position and then epoxy levelled.

Grtz Bert, in your place I would have poured two layers of resin. For let's say a minimum 2% of resin curing shrinkage at your 3 mm thickness difference you've got a 0.06 mm final level error. It is not a lot but it could be avoided.

[driftspin]

I cannot see why and how would you disassemble and/or move a 4 meter long cnc. I see it bolted down on a thick concrete floor in its final position and then epoxy levelled.

Grtz Bert, in your place I would have poured two layers of resin. For let's say a minimum 2% of resin curing shrinkage at your 3 mm thickness difference you've got a 0.06 mm final level error. It is not a lot but it could be avoided.

Hi paulus.v

yes. i agree.. 0.06 .. it might need another pour..
I hope i can work at that precision level and size any time soon and notice problems in my build.

I am gonna do a laser beam check in a few weeks..


On topic.
If it is at its final position and all diagonals and braces are welded ... go for it. Epoxy level.

Grtz.. Bert.


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