On Sunday 10 September 2017 07:43:01 andy pugh wrote: > On 10 September 2017 at 04:42, Gene Heskett <[email protected]> wrote: > > What do you guys think about the sawtooth pattern as a way to > > conserve vertical space of a really long taper. I sort of like it. > > The platonic ideal of such a gib would work very well. But you would > end up making a real one out of mundane matter. > > Such a real sawtooth would only ever touch on two of the ramp faces, > and all the ramps would be at slightly different heights. > Until they wear in. Most of the wear would be on the flat, top face as it should be able to flex enough to equalize.
> Rather than a taper gib you could make a setscrew version, as used on > many cross-slides, and all over the place on my milling machine. TLM had setscrews, and on the z, were a right pain in the arse to adjust. On the x, fine, and thats whats on the Sheldon's x, but considering the gib materiel is ALU, it needs about twice as many as it has. IMO. > The milling macahine has quite a variety of versions. The Y has > L-shaped blocks with screws through from underneath with locknuts. > Those bear on a slider-bar with dimples for the screw tips. > The Knee slid only has access from the front side, so there are > cap-screws to pull the keeper blocks in, and concentric tubes with an > external thread to push them back. It's actually slightly more > complicated still, with extra anti-rotation parts. But it seems to > work well. > And then the X is even stranger, as the screws and locknuts are at > right-angles to the clamping direction, and apparently use a system of > taper wedges. Humm. That almost needs a pix. 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> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
