On Friday 25 September 2020 02:05:53 John Dammeyer wrote: > For me the list has been quiet but checking the forum web page there > have been messages up to 23SEP2020. Not sure why I'm suddenly not > receiving messages so I thought I'd try and post what I've been up to. > > John > I can't connect to your site John. Possibly I've blocked your address with an iptables rule in my battle with the bots that want to mirror mine. And I've blocked them with /24 and even /16 rules for some of the more abusive bots. > Pinging you for the address, sure as heck, I got you with one of my /16 rules, cleared that one and now it works. > > I needed a matrix to guide a razor blade to cut Silpad into 0.375" x > 0.55" pieces. But how to repeatedly measure 0.55"? > > Machine something of course. Here's the end product in plywood. Did > use metal engraving bit and metal mill. > http://www.autoartisans.com/mill/SilPad/SilPadMatrix.jpg > > Start with an AlibreDrawing with lines for engraving. > http://www.autoartisans.com/mill/SilPad/SilPadMatrixDrawing.jpg > > Then create the G-Code and get LinuxCNC, this time running on a > Raspberry Pi4, to control the mill. > http://www.autoartisans.com/mill/SilPad/SilPadMatrixLinuxCNC.jpg > > And away we go. > http://www.autoartisans.com/mill/SilPad/SilPadMatrixEngraving.jpg > > The end result with a coat of shellac looks good but the lines are > hard to see. > http://www.autoartisans.com/mill/SilPad/SilPadMatrixShellaced.jpg > > So after a few more coats of shellac and some sanding I sprayed a blue > coat. Then after it had a short while to dry a bit I used a paper > towel with laquer thinner to wipe off the blue coating but leave the > paint in the lines. > > Next step. Cut the silpad into the rectangles and that worked really > well. cid:image003.jpg@01D69135.80AB1C00 > > > John
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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
