On Wednesday 02 March 2016 01:01:08 Chris Albertson wrote: > I too have been shopping for drill chucks. Of all places amazon.com > sells a Southbend brand chuck (0 - 1/2" and JT33) for $27.00. They > sell another HHIP brand that I have that I measure runout by placing > indicator on a length of dill rod mounted in the chuck. I get 0.002 > swing on the dial. About $30 for the JT33 taper HHIP chuck. The > Southbend chuck is still on-order so I don't know about it other then > the brand name. Likely the Grizzly is actually HHIP but HHIP makes > two lines of chucks that look identical, one they call a "drill > chuck" and the other is the "Profesional Grade Drill Chuck" they sell > for about $15 and $35 respectively. The pro model is spec'd for < > 0.003 TIR mine is about .002 TIR. I'm buying more chucks because I'd > tiered of moving mine between drill press, lathe and mill. > > What I'm getting at is that the generic Chinese chucks (HHIP is what I > consider a generic Chinese brand) can be good if you read the specs > and buy the right one. They can also be let's say "suitable only for > use in a hand held drill'.. I'm very curious to see if the Southbend > chuck lives up to its brand name and still sells for under $30.
I have a query into enco customer service, asking for any runnout specs it might have. But I don't expect an answer this time of the night. > About hole drilling, Use a "center drill" first. They don't wonder, > don't bend and make hole placement literally 10 times more accurate. Even a center drill is helpless in this thing. Depending on how its oriented in the chuck, in relation to a cutting edge vs the wobble, it can either walk to center, requiring an extra ton of force, or drill the center hole 1/16" bigger. Thanks Chris A. > On Tue, Mar 1, 2016 at 6:22 PM, Gene Heskett <ghesk...@wdtv.com> wrote: > > Greetings; > > > > Everytime I go to drill a hole, using this POS chuck grizzly puts in > > the G0704 kit, its a huge fight getting the wobbly bit to finally > > grab in and start cutting somewhere near the center of what the DRO > > says it is. When I say somewhere, often 30 thou off the spot. > > > > Prowling catalogs on the net tonight I can across an import 3-JT > > that sounds usable, page 479 on Enco's online catalog, #290-1515 for > > a red one under $65. Plus ship I assume. > > > > As that is at first glance, nominally a Ben note less than the real > > Jacobs, it sounds almost to good to be good. > > > > Has anyone else any experience with this, probably Chinese 5/8" max > > chuck, that you could share? > > > > 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> > > > > > > -------------------------------------------------------------------- > >---------- Site24x7 APM Insight: Get Deep Visibility into Application > > Performance APM + Mobile APM + RUM: Monitor 3 App instances at just > > $35/Month Monitor end-to-end web transactions and take corrective > > actions now Troubleshoot faster and improve end-user experience. > > Signup Now! > > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 > > _______________________________________________ > > 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> ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
