On 11/17/2013 1:42 PM, Philipp Burch wrote: > Hello everyone, > > for some time now, I'm using LinuxCNC to control a dispenser to treat > PCB panels (applying glue or globtop to electronic dies). Because not > all of these panels are exactly aligned in the machine, a webcam sits on > the Z joint using which I can get the real positions of fiducial marks > on the panels. A python script then calculates a coordinate system > offset and rotation from those positions and applies it to one of the > G5x coordinate systems. This works OK.
Could the vision system do realtime tracking and position error correction, continuously comparing the board to an accurate image? 'Course the easiest fix would be to get the boards made to a higher standard and use a mechanical alignment jig so the system doesn't have to compensate for errors. ------------------------------------------------------------------------------ DreamFactory - Open Source REST & JSON Services for HTML5 & Native Apps OAuth, Users, Roles, SQL, NoSQL, BLOB Storage and External API Access Free app hosting. Or install the open source package on any LAMP server. Sign up and see examples for AngularJS, jQuery, Sencha Touch and Native! http://pubads.g.doubleclick.net/gampad/clk?id=63469471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
