No I wouldn't use drill chucks😁😁😁 On Mon, 15 Apr 2024, 14:25 Billy via Emc-users, < emc-users@lists.sourceforge.net> wrote:
> This is for a 24k 4HP spindle. Using ER32 ISO 30 tool holders. Probably > not going to be using any drill chucks in this thing. > > > On Apr 14, 2024, at 9:59 PM, gene heskett <ghesk...@shentel.net> wrote: > > > > On 4/14/24 19:29, John Dammeyer wrote: > >>> > >>> I'm just checking to get recommendations on tool setter placement and > >>> workflow. > >>> > >>> Thanks, Billy - aka Connor > >>> > >> Where to put the tool setter is likely where it's easiest for an > operator to also access the tool. > >> I don't know if the CNC router falls into an operation like changing a > drill bit. For most operations one just sets up the tools, tool table for > those tools with the lengths in the tool table. But if you have only one > drill chuck but need to drill different size holes then the way to use Tool > #6 (the drill chuck) is to set the length to 0. The tool change software > then just uses the tool table length to set the offset and the tools are > used without ever touching off. > >> But with Tool #6 the 1/4" and then 3/8" drill bit are different > lengths. So you might do a tool change to install the chuck and then pause > over the tool setter. An operator then puts in the right size drill bit > and the system continues to then touch off that drill bit but doesn't > update the tool table length; that stays at 0. The holes are drilled and > then rinse and repeat for additional drill bits. > >> Anyway, that’s one scenario. > >> John > > > > > > If the drill chuck is stiff enough, that works well, but I've not found > a chuck that doesn't have a thou run-out sticking as far out of an R8 as it > does, so I tend to use the r8 that fits the drills shank, its stiffer. This > demands you bring the setter into use as there is no consistent depth stop, > at least in the 4 different r8 kits I have. More monkey business that > probably cancels any time saving the tool changer offers even if it changes > the whole r8. So much easier to assemble the drill in an er32 TTS holder, > and build the tool changer to change the TTS, measure it once and put it in > the tool table. That would be valid till the er32 nut was loosened again at > the cost of the TTS stuff. > > > > Another possibility might be to steal the pcb drill idea of a tight > fitting printed ring placed on a bit shank to serve as a depth stop, that > you could put in the tool table. > > > > Methods depend on your imagination. > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > Cheers, Gene Heskett, CET. > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author, 1940) > > If we desire respect for the law, we must first make the law respectable. > > - Louis D. Brandeis > > > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
