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
