On Thursday 02 July 2015 18:36:33 Dave Cole wrote: > On 7/2/2015 2:04 PM, Gene Heskett wrote: > > What has been others experience in this calibration aspect? Can I > > believe the dial indicator. Being gear driven, over long ranges, > > since a full inch is 10 turns around the dial, my spidey sense says > > it could have a cyclic error, but from needle 0 to needle 0, it > > should be dead on with the real world. Right? > > That should be good to check your screw scaling. Approach it from a > distance to take out backlash and stop slowly. Zero the indicator > and slowly move in the same > direction. You can stop at .2, .4, .6, .8 and 1.0 to check it out. > > :-) Just go slow and in the same direction so backlash doesn't come > > into play. >
I have been doing that Dave, and it seems the error is a true scale error, noisy, but steadily increasing as I step at 2.54mm, viewing set for inch. Generally its about .008" off the math at the end of an inch on the dial. So I am tweakinbg the scale, 1 or 2 LSdigit at a time. Thanks Dave 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> ------------------------------------------------------------------------------ Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
