On Friday 10 June 2016 10:18:26 Dave Cole wrote: > On 6/10/2016 9:58 AM, Gene Heskett wrote: > > 2. Since I am about to get a bigger lathe, and I have no experience > > with with mapping screw compensations, I need to ask if its > > possible to use a screw comp file to map in both directions so that > > a reasonable amount of bed wear, which will probably cause a "U" > > shaped X error, and that will need Z position tracking to properly > > apply the correct X error compensation? > > > > Is this possible? Or can it be made possible? > > That is a very interesting question Gene... I have no idea. > The standard screw comp works in both direction so it takes into > account backlash compensation. But you want to correlate the lathe X > compensation with the Z movement to comp for bed wear/error. > . Yes, and I believe Andy's suggestion probably contains the solution.
> I'm going to try the standard screw comp out next week on a brand new > ball screw that must have been made with a hammer, anvil and file. You paint a picture of a Chinese, working over a BBQ grill and anvil, swinging a 4 lb hammer or pushing a worn out chain saw file. On the rear deck of his Junk so he can push the whole thing overboard if the fire gets out of hand. :-) > The screw it out something like 0.030 over 12 inches in one spot. > This is a new screw supplied by Flow for a Flow water jet. I can't > believe they sell this junk. After the screws were purchased Flow > said that they screw map each screw with a laser... and now I know > why! Good Grief Charlie Brown! I'm not too sure I wouldn't map that purchasing agent out the door. I hope he got on heck of a deal on those so you could afford to do that. And I suppose Flow wants the left one for a copy of that map? I can smell the fingerprints of an MBA from here! > > Dave > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > > ---------------------------------------------------------------------- >-------- What NetFlow Analyzer can do for you? Monitors network > bandwidth and traffic patterns at an interface-level. Reveals which > users, apps, and protocols are consuming the most bandwidth. Provides > multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make > informed decisions using capacity planning reports. > https://ad.doubleclick.net/ddm/clk/305295220;132659582;e > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
