On Monday 26 October 2009, Hubert Bahr wrote: >Gene > I was dissatisfied with both the speed and the backlash so I >abandoned the stock screw and went to the ballscrew. I now arbitrarily >set the max speed at 80" per minute. During this change I upgraded to >the G540 drives as well. I haven't measured the force on the drill bit, >but can easily snap one when things go wrong. The engineering data on >the Ball Screw site indicates you can push 3 times the load with a ball >screw over an acme screw. My experience to date supports that claim. >On the Z axis I am using a 280 oz/in direct drive. Could it be >drive/stepper noise. I certainly noticed that my steppers are much >quieter now since the upgrade. >Hubert > So where does one get ball screws cheap enough to use on an X1 upgrade? As far as drills or milling bits go, I have blown a VSD fuse and snapped off a 1/4" solid carbide 4 fluter a couple of times now.
Thanks Hubert. -- 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> A little experience often upsets a lot of theory. ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
