I have very limited experience with CBN wheels so this is more of a question than comment. I noticed if the grinding process is sparking while grinding the wheel seems to not wear at all but if the process is not sparking the wheel wears rapidly. Can anyone comment?
Thanks Stuart On Jan 8, 2018 1:39 AM, "Gene Heskett" <[email protected]> wrote: > On Monday 08 January 2018 02:05:03 Marcus Bowman wrote: > > > One thing I have noticed is important with CBN wheels is that there is > > little or no run-out on the wheel when mounted, because there is no > > real depth to the coating, so dressing appears to be somewhat risky. I > > have seen several reports of wheels supplied with considerable run-out > > when they are mounted using the as-supplied centre hole. I expect this > > may be price-related. > > > > Marcus > > > I'd have to come to that conclusion too, but most of the 8" for bench > grinders either supply the correct hub, or will sell you the bushing > cheap. > > 1 review writer said to have been using the very thin coated > electroplated version, for about 5 years in his shop, notes that it > takes about a months use to "activate" it and that he had never had a > good excuse to dress it. Said he did clean the tool before he headed to > the grinder to sharpen it, recommended by the wheel supplier I guess. > > I'll have to make an arbor, and will report on this one when I've had a > chance to use it. > > > On 8 Jan 2018, at 03:24, dave wrote: > > > https://books.google.com/books?id=JR-efIBvAH0C&pg=PA274&lpg=PA274&dq > > >=CBN+reactivity&source=bl&ots=0CGSHcznFj&sig=9TIF2ZJpkruVX3kTTWtz3erG > > >t74&hl=en&sa=X&ved=0ahUKEwjU49rDssfYAhWk3oMKHSBEDrYQ6AEITzAG#v=onepag > > >e&q=CBN%20reactivity&f=false > > > > > > Lots of information to dig thru! If you go down far enough there > > > are some comments on coolant for CBN. > > > > > > HTH > > > Dave > > > > > > On 01/07/2018 03:19 PM, Stuart Stevenson wrote: > > >> The carbon in the steel and the carbon in the diamond have an > > >> affinity for one another. > > >> > > >> On Jan 7, 2018 11:56 AM, "Gene Heskett" <[email protected]> > wrote: > > >>> On Sunday 07 January 2018 11:54:58 andy pugh wrote: > > >>>> On 7 January 2018 at 16:27, Gene Heskett <[email protected]> > wrote: > > >>>>> But has anyone found a source of CBN wheels that don't start at > > >>>>> $200 and go on up to triple digit prices? > > >>>> > > >>>> Try eBay > > >>>> https://www.ebay.co.uk/itm/361394049424 > > >>> > > >>> Found that for $25 on the us site. But howintuncket do you search > > >>> for a TTS style 20mm arbor? Thats the most busted search engine on > > >>> the internet when a search for TTS returns about 100 slitting saw > > >>> blades. > > >>> > > >>> Thanks Andy, I can use that I think. Worth a try even if I do have > > >>> to make an arbor for it. > > >>> > > >>> 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 > > >> > > >> ------------------------------------------------------------------- > > >>----------- 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 > > > > > > -------------------------------------------------------------------- > > >---------- 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 > > > > ---------------------------------------------------------------------- > >-------- 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 > > > 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 > ------------------------------------------------------------------------------ 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
