On 09/21/2010 10:29 PM, Dale Grover wrote: > My inclination is to try to get this working without replacing the z > axis. I like the depth adjustment, since it eliminates a major > headache with engraving PCBs, and the current (as it were) > arrangement (two distinct drive levels) was functional at some point. > > I've started looking into what options I would have to process G-code > Z moves into various PWM or multiple signals--delving into the > integrator's manual again. > > Many thanks for the ideas and cautions. > > --Dale >
A regular engraving spindle is spring loaded down with a depth adjustable nose cone. If you pull the solenoid out and replace it with a Z axis motor and screw arrangement that is hooked to the slide with a spring it seems like that may work since you have a foot to limit the depth. I have an engraving spindle on my machine, even though my safe Z height is +.25" I just use a G1Z-.75 depth when engraving. Since I have a depth limiting nosecone I have .5" of spring pressure holding the nosecone against the work. That would be more than enough pressure to drill through a fiberglass board, and if not, use G1Z-1 or more. Bill ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
