On 9/21/2015 9:45 AM, Gene Heskett wrote: > Greetings everybody; > > Thinking in electronic ink here... > > Is there a quick & dirty but adequate way to extend the 2 most common > carbide bit sizes in my collection in order to gain clearance between > the workpiece and its holding jigs? Something like an ER8 that I can > plug into an R8 maybe? > > What would be a good google search term? Or just hit Tormach's site. > Their ER20 adapter covers up to 1/2", and sells for $34.95. Tolerable > good. And it looks like it would extend the reach of a tool by at least > 1.5". Thats also good, gets the quill housing up high enough to clear > the jigs. The 15 count collet set is $192, or the 30 count set is $372, > probably more accurate than some of the others, but hey, I'm carving > wood here. > > Grizzly wants $317 for the whole 16 piece kit including adapter, South > Bend brand. Neither seem to say what the OD of the nut is and I've > already hit the side of the spindle against this jig when it was on the > toy mill, whose rotating spindle nose is 40mm. > > But I hit a lick at LittleMachineShop. Tormach adapter & 3 collets, 1/8, > 1/4 & 3/8, for $72.95 shipped. That will or should cover 98% of what > I'll be doing. > > In the meantime I can make a new holddown bar for this jig out of solid > maple, and set it about 3/8" farther away from the tool travel. And > maybe glue on an extension to the flat plane of the front of the jig for > additional workpiece support as some pieces will project close to 4 feet > off the front of the table when mounted. > > Todays projects. ;-) Keeps me out of the bars don'tcha know. ;-) > > Cheers, Gene Heskett Plain old R8 collet in the spindle would gain you the most headroom, but you would loose your tool length offset each time you did a tool change unless the tool has a depth collar on it.
Jim ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
