Quote Originally Posted by Ger21 View Post
What are you using to move the Z axis? Ballscrew? What pitch? How much weight are we talking about?
RM1605 C7 650mm ballscrew
700x150x12.7 alu plate for the Z travel
HG20 rails mounted on that plate
2.2kw air spindle
approx total weight for travel plate, rails and spindle 12kg

pic without guide blocks or travel plate
Click image for larger version. 

Name:	gantry.jpg 
Views:	232 
Size:	332.4 KB 
ID:	24715