On Sunday 11 February 2018 20:44:53 Cecil Thomas wrote: > Gene, > Although they are often called "thread protectors" , I prefer to call > them adapter pushers. > I have found that their most important function is to be installed > BEFORE the collet adapter and to be used by turning CCW to push > against the collet adapter to remove it. Otherwise you will need to > use a knockout bar to pound the 5MT to 5C adapter out of the > spindle. I have made them in steel and aluminum for different > machines and I find no reason to not use aluminum.
The one you made for that lathe I bought is plastic pipe with a brass hammer inlaid in the end, works rather well. As does the drawbar once I had finished it by putting a wheel and some needle thrust bearings on it. > If you do use > plastic be sure that it is strong enough to withstand a bunch of > torque with a spanner in pushing out the adapter. > In order for it to work the adapter needs to have a "step" in it > which the pusher can push against. If the hole in the pusher is just > a clearance fit over the adapter then a snapring in a slot will > provide the surface to push against. > > Cecil > > At 07:29 AM 2/11/2018, you wrote: > >Another reason to get one of those 3d printer things is that I don't > > have a thread protector for the 2.25x8 spindle on my Sheldon. I've > > considered making one out of alu, but putting that in contact with > > alu doesn't seem like a Good Thing. I saw a you-tube video where > > someone made one out of pla for a smaller 6" craftsman, and > > expanding that for the 2.25" seems > > ---------------------------------------------------------------------- >-------- 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 > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users -- 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
