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How does CNC _actually_ work?

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WeldingRod:
The Maslow cnc is very low floor space, and you might be able to plasma cut with it.  Partial sheets would be the real problem; it literally slides on the material surface.

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PekkaNF:
I really don't like all the features Maslow cnc:
* Accuracy/relolution varies wildly depending on where the router is located, "top" of the plate resolution is low on vertical direction. 
* To avoid excessive waste you have to get pretty creative.

hanermo:
In all mechanical engineering everything depends on everything else.
Often in weird and wonderful ways if one wants a very good of something.

Be it accuracy, angle, level, flatness, size, rigidity, whatever.

Nothing is strong, flat straight rigid repeatable or accurate.
You just need to measure accurately enough.

The first highly repeatable and high resolution device I know of was the ruling engine done around 1960 by 2 crazy geniuses.
Took them about 16-20 years of work iirc.

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