First attempt... http://electronicsam.com/images/greenmachine/IMG_20201018_132348.jpg
On Wed, Oct 14, 2020 at 11:11 AM Sam Sokolik <[email protected]> wrote: > So - I kinda cheated. I set up the comp so that I could run a gcode > program and scan the 'radius' of the shape into an array.. SO it looks like > > -move to the center of the shape - comp captures center. > -move to the profile of the shape - set the comp to scan mode > -run the gcode and the comp stores the scanned shape into an array. > > Have not actually cut anything... yet > > below - right is the gcode shape - left is the spindle synced motion with > and without tool offset. (not that you would be boring that shape - but it > is easier to visualize on the mill. > > > http://electronicsam.com/images/greenmachine/Screenshot_2020-10-11_19-42-05.png > > This one was just for fun-zies... > > > http://electronicsam.com/images/greenmachine/Screenshot_2020-10-12_18-24-22.png > > > > > On Thu, Sep 17, 2020 at 11:24 AM Sam Sokolik <[email protected]> wrote: > >> With a properly sharpened tool - and a bit more hp - you could plunge a >> cutter to make the shape.. (like a circular shaper..) >> >> I did it on the emco but the quality wasn't as nice.. (partly the >> rigidity and partly the cutter grind) so - that is way faster... >> >> http://electronicsam.com/images/greenmachine/IMG_20200915_174431.jpg >> >> http://electronicsam.com/images/greenmachine/IMG_20200915_182303.jpg >> >> sam >> >> >> >> On Thu, Sep 17, 2020 at 11:19 AM John Dammeyer <[email protected]> >> wrote: >> >>> As always both videos are very impressive. Although I think Andy Pugh >>> would just move his lathe chuck onto his Harmonic Drive 4th axis and make >>> the square in far less than 7 minutes. >>> >>> Maybe a competition? On your marks. Get set. Go! >>> >>> Very cool Sam! One day maybe I'll be able to do it too. >>> Thanks for posting those. >>> John Dammeyer >>> >>> >>> > -----Original Message----- >>> > From: Sam Sokolik [mailto:[email protected]] >>> > Sent: September-17-20 6:56 AM >>> > To: Enhanced Machine Controller (EMC) >>> > Subject: Re: [Emc-users] Non-circular boring. Linuxcnc style. >>> > >>> > Thought I would test a square - adding a radius to the corner certainly >>> > helped the path following. (I think this was .030") >>> > >>> > https://youtu.be/Q9zhi8Mc1fE >>> > >>> > >>> > On Mon, May 4, 2020 at 3:03 AM Gene Heskett <[email protected]> >>> wrote: >>> > >>> > > On Sunday 03 May 2020 14:34:24 Sam Sokolik wrote: >>> > > >>> > > > https://youtu.be/PtD9w6lp8n8 >>> > > >>> > > Sam, dammit, you are having too much fun while the rest of us are >>> more or >>> > > less locked up. >>> > > >>> > > But it shows others what LinuxCNC CAN do, so I love it. That said, >>> in low >>> > > gear, my spincle encoder scale is a bit over 14,000, so I ought to be >>> > > able to do some of that too. If I can con it into going that slow. >>> Since >>> > > I have 2x the nameplate FLA to hit that motor with, I don't see why >>> not. >>> > > 1st step is 100 rpm in high gear, and its still turning ar 15% on the >>> > > slider, I'll bet it can do it in low gear. Gotta get me a boring head >>> > > athough I see you aren't always useing one. Gotta put a range switch >>> on >>> > > the tach, its sorta difficult to see 10 rpm on a 3000 scale. I >>> wonder >>> > > just how far I can push PGain at that sort of speed, its plumb stable >>> > > and silent at 20 right now and just a bit shaky at 40. I have said >>> for a >>> > > long time that there isn't anything that LinuxCNC cannot do and >>> things >>> > > like this continue to prove it. >>> > > >>> > > I hope all those guys using Mach on youtube are dying of jealousy. My >>> > > grin us hurting my ears. :) >>> > > > >>> > > > On Wed, Apr 29, 2020, 6:43 AM Stuart Stevenson <[email protected]> >>> > > wrote: >>> > > > > Sam, >>> > > > > I heard you say your circle is a polygon of a thousand sides. >>> > > > > >>> > > > > In APT4 a circle of 2500 inches radius is calculated as a >>> straight >>> > > > > line. That allows an algorithm for part profiles to be described >>> as >>> > > > > all radiuses and the variable values determine the lines and >>> > > > > circles. >>> > > > > Just another possibly interesting random detail out of the wet >>> > > > > ram(thanks Gene) brought out by a random comment. >>> > > > > >>> > > > > Love your videos. >>> > > > > >>> > > > > Stuart >>> > > >>> > > All it takes is for somebody to ask 'what if?'. I do it >>> occasionally, so >>> > > have you, but Sam seems like he does it a lot. And all of us benefit >>> > > from this lists ability to answer the questions generated by our >>> wildest >>> > > dreams. >>> > > >>> > > Thank you all. >>> > > >>> > > > > On Tue, Apr 28, 2020 at 9:57 PM Sam Sokolik <[email protected]> >>> > > wrote: >>> > > > > > just to see if it would... >>> > > > > > >>> > > > > > https://youtu.be/a7CO9gohaXE >>> > > > > > >>> > > > > > On Sun, Apr 26, 2020 at 2:54 PM Sam Sokolik < >>> [email protected]> >>> > > wrote: >>> > > > > > > the new encoder seems to work good :) >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > On Tue, Apr 21, 2020 at 9:53 PM Jon Elson >>> > > > > > > <[email protected]> >>> > > > > > >>> > > > > > wrote: >>> > > > > > >> On 04/21/2020 09:11 PM, Sam Sokolik wrote: >>> > > > > > >> > Just the way the path was generated... Didn't try that >>> hard. >>> > > > > > >> > Acad >>> > > > > >>> > > > > -> >>> > > > > >>> > > > > > >> ace >>> > > > > > >> >>> > > > > > >> > converter for simple stuff like this. (Or by hand) >>> > > > > > >> >>> > > > > > >> I have a bunch of little C programs that write most of my >>> > > > > > >> G-code. Making round bores and rectangular pockets, and >>> > > > > > >> trepanning both of those shapes in sheet materials. All of >>> > > > > > >> them do it by climb mill. >>> > > > > > >> Even when I did some things in bobcad, I set it up for climb >>> > > > > > >> mill. >>> > > > > > >> >>> > > > > > >> Try it sometime, you'll be surprised how much better it >>> > > > > > >> works - ESPECIALLY in aluminum. Just program it to go >>> > > > > > >> counterclockwise around any internal pocket. >>> > > > > > >> >>> > > > > > >> Jon >>> > > > > > >> >>> > > > > > >> >>> > > > > > >> _______________________________________________ >>> > > > > > >> Emc-users mailing list >>> > > > > > >> [email protected] >>> > > > > > >> https://lists.sourceforge.net/lists/listinfo/emc-users >>> > > > > > >>> > > > > > _______________________________________________ >>> > > > > > Emc-users mailing list >>> > > > > > [email protected] >>> > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users >>> > > > > >>> > > > > -- >>> > > > > Addressee is the intended audience. >>> > > > > If you are not the addressee then my consent is not given for >>> you to >>> > > > > read this email furthermore it is my wish you would close this >>> > > > > without saving or reading, and cease and desist from saving or >>> > > > > opening my private correspondence. >>> > > > > Thank you for honoring my wish. >>> > > > > >>> > > > > _______________________________________________ >>> > > > > Emc-users mailing list >>> > > > > [email protected] >>> > > > > https://lists.sourceforge.net/lists/listinfo/emc-users >>> > > > >>> > > > _______________________________________________ >>> > > > Emc-users mailing list >>> > > > [email protected] >>> > > > https://lists.sourceforge.net/lists/listinfo/emc-users >>> > > >>> > > >>> > > 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 >>> > > [email protected] >>> > > https://lists.sourceforge.net/lists/listinfo/emc-users >>> > > >>> > >>> > _______________________________________________ >>> > Emc-users mailing list >>> > [email protected] >>> > https://lists.sourceforge.net/lists/listinfo/emc-users >>> >>> >>> >>> _______________________________________________ >>> Emc-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
