Hello Skippy,
Simple answer:
Theta= Engineering speak (Hoity-toity)
C Axis=CNC speak (working man)
Same thing. Two names. (<G>)
Ballendo
Originally Posted by skippy Now I'm confused. Yes, I've heard that movement being called the "C" axis and yet many times I've heard it being called theta axis such as here (in this particular case pick and place machines) someone wrote: "Modern machines 1, 2, 3 or more heads each use laser measuring heads to detect the Z and theta axis measurements of the part you are about to place. It uses these measurements to adjust the final X,Y trajectory of the part about to be placed as well as its thickness and rotation from the pick-up point." And yet others that say that theta is the measurement of the angle in degrees of rotation of the C axis. Two in a row wrong = time for take a back seat for a while. |