These are long reach 2 flute, they do flex a bit. I suppose I could be losing steps, but it always finishes pretty well at zero, not .1 off.
On Sat, Feb 11, 2012 at 11:06 PM, Jon Elson <el...@pico-systems.com> wrote: > Erik Friesen wrote: > > I have been puzzling over how to deal with double sided routing of 1" > pvc. > > Currently I am working on a 12" x 12" square area, with 10 work pieces > > arrayed out. Each part has a couple 1/8" zero holes that I use to line > up > > when I flip the pvc. The problem lies in the fact that nothing really > > comes out when I flip the pvc. I am using G10l2P*R* to rotate the board > > depending on a two point zero. However, the points never are square with > > each other, to the tune of .100 off at 10" from zero. I have checked my > > machine squareness and I believe it is less than .010 on a 12" piece. > All > > I can figure out is that the 1/8 endmill is wandering enough to cause > > this. Does anyone with experience doing this have some points to offer? > > > Hmmm, very strange. I don't use 1/8" HSS endmills, only carbide. I > know the HSS cutters > can deflect, but no WAY can it deflect even .050" (half your error). > Could the workpiece > be slipping on the table? Could the head of the machine be swinging on > the round > ram (if it is built like that?) Why not cut one side and then go back > and re-check the > initial coordinate setup at the corner? That will detect part slippage. > > And, of course, if this is a stepper machine, check for loss of steps > after a long > program. > > Jon > > > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
