The reason I want to do this with kinematics is so I can use straight cartesian G-code programs (XYZ) and run them on this polar/cylindrical coordinate machine. This will be a 3d-printer type machine rather than metal cutting. Picture a turntable as the build platform, with a carriage moving radially above it and a Z on the carriage moving up and down. G-code would be G0/1/2/3 in the X-Y plane, converted to radius/angle moves. Velocity is going to be a problem I see. You go through a singularity at zero radius, and the angular velocity must continuously vary to maintain constant linear velocity.
I've got the mechanism assembled now, and have a kinematic function compiled and running in simulation. I should know pretty soon if it will work. More late... -- Ralph ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
