I really think we need some pictures and/or details. Instead of using letters for a test case, could you try using short lines? First plot a set of parallel lines about 5 cm long and 2 cm apart, parallel to the X axis and centered on the Y axis. Then do the same thing parallel to the Y axis and centered on the X axis.
Ken aaron Moore wrote: > I think I would like to clear a few miss understandings here. I am not an > engineer and will never be one. I am a furniture maker/designer with a keen > interest in > digital technologies and linux. I have built a 1.5m x 1.5m gantry style > router table with high spec rails, carriages and bearings. It has been two > years in the > planning and taken 2-3 months to build in my spare time. I bought a CNC Kit > from an online company in UK (who have not been able to sort my problem out) > consisting > of 3 x MSD542 micro controllers, 3 X FL86STH High torque Nema 34 Stepper > motors and 2 X L6-PF11-001 (PS407) power supply units. The motors are > connected in > parallel with micro stepping set to 16 and the power at 4.2 amps. It has cost > me well over £1000 and I would like to get it to work with a reasonable > amount of > accuracy. > > I have tried using many settings of speed and acceleration but I always get a > the same result. When engraving a line text the individual letters look okay > but they > are always misplaced along the y axis by between 5mm and 30mm, and always in > the same direction. My question today is could this be because I have not > used shielded > cable to wire the powersupply and drivers together. If this could be the > problem what kind of cable should I use. Or is there something else I should > look into > > If any one can offer some advise I would be very grateful > > Cheers > Aaron > > > -- Kenneth Lerman Mark Kenny Products Company, LLC 55 Main Street Newtown, CT 06470 888-ISO-SEVO 203-426-7166 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
