I've got to ask.. What exactly is this and what is it for? http://geneslinuxbox.net:6309/gene/GO704-pix/gauge-drive-sliding-coupling.jpg
?? On 10/13/2015 09:25 AM, Gene Heskett wrote: > On Tuesday 13 October 2015 06:43:51 John Thornton wrote: > >> You must be a fan of Rube Goldberg! I love the gauge thingy... not >> being an electronics genius like you I would have drilled the bottom >> of the holding thingy for some pins that fit the slots in the table to >> register the fixture in the Y axis > I glued some legs on the ends that fit the T slots. I miss set them, > probably moved on the glue film when I tightened the screw so the runout > in the x direction is about 3 thou. They also fit the T-slot too tight > so it should be fixable. I just need to find my round tuit. But I'd have > to put a dial on the head and sweep the x, measuring the closed bar, to > figure out which leg to sand on. Until then, its close enough for wood. > >> then put a dowel in the spindle and >> move to - half the dowel diameter and slide the fixture up to the >> dowel. Then I would make a template like a L with pin holes and put >> that into the fixture and slide the part up to the L to set the X and >> Y of the part the same place every time. The remove the setup guide >> and machine away. But your way looks more fun. > The x stopper is on the left, about 3/8" high, screwed and glued, so it > doesn't move. The end of it adjacent to a finger on the board has of > course been machined away by the mill coming down the side of the board, > shaving it a thou or so. But I felt I had to make it gcode controllable > as I was losing track of the number of times I had to reach over an flip > it manually to keep the bar from being carved up as the head was > descending. Walking to the far side of the machine and bending over to > turn on the vacuum was also a PIMB*. :( > > Because this machine is more rigid, I've had to adjust the mills diameter > in the software to re-establish the glue line fit. Or this mill has > less x backlash that the small one with its teeny ball screws. Needs > bigger balls in the x screw, its about 1.6 thou. On the small mill, I > had to tell the software the mill was only .243 in diameter, effectively > making it cut deeper. On this one the same glue fit is around .247" > > Anyway, the target is to set and clamp the board, sit down and hit r > until its time to change the tool or turn the board over. Rinse & repeat > for the other end of the board, then get some exercise cutting the next > board. And because the roundover bit is about 3/4" shorter than the > mill, I either need to fit collars to both bits, or buy another R8-ER20 > adaptor so the whole thing gets changed when its tool changing time and > I can know the stickout difference. Presently I have to probe both > tools. > > In either case, my spindle pin brake needs something to hold it in while > my hand is busy catching the tool or adapter. I made it with a retractor > spring as its not nice on things to try & start the spindle when its > locked. > > *PIMB pain in my back. > > Thanks John. > > Cheers, Gene Heskett -- Billy Huddleston Inner Vision *William Huddleston Inner Vision Development Corp* Office: 865.560.2752 Fax: 865.560.2703 http://www.ivdc.com *Development and Consulting... Simplified.* <http://www.facebook.com/pages/Inner-Vision-Development/120023721424> <http://twitter.com/ivdc> <http://www.linkedin.com/in/ivdccorp> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
