On Wednesday 11 November 2009, Jon Elson wrote: >Gene Heskett wrote: >> Yes, too much backlash in my table to get away with climb, although at >> light >> cuts I might be able to get by with it. > >Too bad! The difference, expecially in Aluminum, between climb and >conventional >is amazing. I used to only do finish passes on my Acme-screw >Bridgeport, as it had >.030" + of backlash. When I CNC'd it, I put in ballscrews, and have >done very >LITTLE conventional milling since. Much better results in a number of > ways. > >> I'll give it a shot at light feeds, and with the brake screw set a bit, >> as that is a 425 motor its capable of horsing it against some drag. > >Try it, you'll like it! > >> In case someone tries to access my web site, which is on this machine, it >> may not be available for a day or so, my main drive is in the process of >> dirtying its clothes, a 500GB, less than a year old. I have a 1TB >> Seagate SATA laying here to put in once I get an rsync recoverable backup >> made. > >I never buy cutting-edge disk drives for that reason. The higher-end >(commercial vs. >home-grade) drives in modest sizes usually last 10 years as long as the >case isn't >allowed to overheat. > >Jon
I'm home with a fresh drive, a 5 year 1TB seacrate, and about to fire off a rather lengthy script that should copy even the kitchen sink to the new drive. Strangely, before I did the powerdown to add the 5th drive (its laying on the floor beside the tower right now, all hooked up and partially formatted except I'm going to fire up fdisk and make the / partition from its present 30 to about 100GB, I had forgotten that amanda's tmp dir called /dumps is on that, and amanda needs about 40GB to 50GB to play in if its target drive upchucks. Anyway, before the powerdown and subsequent reboot, it had 11 sectors unreadable, but now smart is emailing me about only 10. One of them must have been re-assigned when my attempt to download gparted's cd iso failed, making me put a measly 100 meg file on a different drive. No mail today, so no mills anyway. Later & thanks. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) The NRA is offering FREE Associate memberships to anyone who wants them. <https://www.nrahq.org/nrabonus/accept-membership.asp> Zoe: "Sir, I think you have a problem with your brain being missing." --Episode #2, "The Train Job" ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
