@Bantha
Hey, thanks for posting that, looks a smooth fit then, and wow, how many of these machines have you got?

I just checked out your channel!

Only machine I have is one of those CNC's from China.  Surprisingly heavy and solid (and crazy accurate) but, and it's a major but, it's too small.  I wanted a 6040T but ended up with a 3020T instead.  Got it, attached the motors, spent a whole day figuring out how to make the thing even move, and after all that, I've not cut a single thing with it (crazy but true).  All I've done is feed it a pattern and watch it work without a tool inserted, thinking damn, I wish I'd waited and got the bigger one.

It's been sat on the floor in the corner of my bedroom ever since.  I plan to make it bigger (a lot bigger).  All I have to do is find out which ballscrews it uses and order some longer ones.  Trouble is I'm hesitant to dismantle it and remove the ballscrews to find out what type they are, because I want to use the machine to make a few custom parts for the new one and don't want to screw-up the accuracy.

I plan to turn it into a machine that will be wall-mounted and be able to accept 8x4 foot sheets.  Apart from bits I want to  add, every part I need is on the machine already, really, so all I need to do is replace these useless short ballscrews with longer ones.  Looked everywhere though, and can't find any positive information about which size ballscrews my machine uses.  Can't speak Chinese either :-D

Wouldn't mind chancing it and just buying some, but the prices of long ballscrews are insane!