So I now have my machine up and running on EMC (Wahoo) but I am running into a machining issue.
The issue comes up when machining a 3D part. see photo: http://www.forsalesticker.com/fooBarStar.jpg The star is cut using an 1/8 ball end mill. The cutter goes to a depth of .25 inch and then follows the geometry of the star - back and forth. The issue is that sometimes it seems like the Z axis gets confused and changes height (sometimes up, sometimes down) as the z is moving - resulting in ridges along the part. In some places it seems that every pass the cutter was 'slipping' up (arrow 1) and then at arrow 2 it was 'slipping' down (not as easy to see) on each pass. I wondered if I could be skipping steps so I decreased the setting for acceleration / velocity for the z axis. I lowered the Z home position by 1/32 and started the cut again but the issue persisted (in fact at one point the bit dug very deep into the part until the cutter broke [arrow 3]) Then I tried switching the drivers for the Y axis and the Z axis but the issue still exists on the z axis leading me to believe that it is not a faulty driver. Could this be a configuration issue (possibly my driver timing settings [step time, step space, direction hold, direction setup] I didn't know what to put so I have 5000 on all of these), or a mechanical issue, or an issue with electronics, or my computer? What should I check next? Thanks ------------------------------------------------------------------------------ FREE DOWNLOAD - uberSVN with Social Coding for Subversion. Subversion made easy with a complete admin console. Easy to use, easy to manage, easy to install, easy to extend. Get a Free download of the new open ALM Subversion platform now. http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
