On Friday 03 July 2015 19:32:08 Bertho Stultiens wrote: > On 07/04/2015 01:06 AM, Gene Heskett wrote: > >> What is the experience of the people here? What would be > >> preferable? A quick (case 1) path or a directionally consistent > >> path (case 2)? > > > > If you see more than a nearly invisible artifact using the first > > method, then it is time to tweak the backlash. > > Yes, the backlash is entirely the point. It would influence both > cases. Case 1 would be skewed, but continuous, whereas case 2 might > not join at the bottom. > > I agree that any significant error in positioning would require you to > look at the mill to tweak the backlash. > > That said, there are visible, although minor, artifacts when you mill > in different directions. I am still unclear as to where you would have > the preference. > > As Andy and Bruce said, just create two font versions, which is what I > will do, but the underlying question is actually an interesting one > (although maybe slightly academic). > > If we assume a mill with zero backlash and spindle-speed very much > larger than the feed-rate, would you still care or be careful about > direction?
Call me a picky old fart, but yes, direction will show because there is going to be the machine and tool flex from the cutting force, miniscule for a 10k rpm conical bit. Double that force every time the tool revs get cut in half and it will become quite visible. 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
