> IMO the docs for howto are lacking, but think in terms of a velocity > loop, where position is not the target, but velocity is. PID's can > handle that nicely but the howto docs aren't as clear as they should be. > > > > https://www.grizzly.com/products/Grizzly-Vertical-Mill/G3616 > > > Sweet, bigger than anything I have. > > Gene, >From a table size and Z height it's not that much different from the G0704 I >believe. The G3617 had a longer table and maybe a bit more Y movement but it >also had the horizontal boring feature which is why the table rotates too. >For helical gear cutting. Mine does too but I've never had to turn it in >anger so to speak. Just more mass for Y motor to move. I think with an A >axis along with XYZ and LinuxCNC helical gears don't need the XY axis to be >twisted but I may be wrong. Haven't looked into that.
Creating a powered horizontal shaft that hangs from the upper ways isn't a big deal so I could still add the horizontal boring feature. But the machine does have a lot more mass than the smaller ones. John _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
