Originally Posted by Chris64  ...I still wonder how people usually determine where to either put the mill head if they program everything "relative" or measure the objects distance if they are programming absolute. |
The machine home point is not the part zero. I use either the lower left corner if part is on table then all your moves are (+)or part center for Zero then your moves are (+,-). If I using a vise either left or right side for x and solid jaw for Y.
You may want to read this thread for some info on cnc
http://www.cnczone.com/forums/showthread.php?t=23175