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Erm, I've left my manual for Huanyang VFD at work but I've done enough of these now to know these are the main parameters to check and looked back at a few posts to verify.
Obviously make a note of...

It's common for the little details to get overlooked and it's the little details that can make a big difference to how the machine performs and ease of maintenance etc.

I model all the major...

Looks ok to me and will work fine. Thou I've got a few suggestions which will make it a little stronger and easier to setup etc.

The height of the gantry doesn't look very high so you could change...

Suggest you do a search for AC bearings and look at how they visually differ from standard Deep grove bearing. The visual clues when in your hand are the inner and outer races will have a thin edge...

How about a variation on "C", bring the 2 80x80s close together (ditch the crap collecting gap) and plate them front and back to make say a 90 something x 160 section? You could even slip a drop or 2...

27142

Here you go

A Tutorial on motor torque calculations

A question oft asked on MYCNCUK is "how big a motor do I need?". There is no simple answer to this, and the options are usually:
a) follow someone elses...