Re: gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
On Friday 03 April 2009, evan foss wrote: On Fri, Apr 3, 2009 at 8:24 PM, Gene Heskett gene.hesk...@verizon.net wrote: On Friday 03 April 2009, evan foss wrote: On Fri, Apr 3, 2009 at 6:36 PM, andrewm andr...@thehacktory.com wrote: If anybody has a better idea, yelp. EDM ? Don't you aready need a hole to run the wire threw? A hole for a wire through it? No. Or are you just going to live with a very thin line cut threw to the hole? If your are going to spend EDM level money water jet would be better. Drilling holes with EDM? Straight plunge cut/burn. Hole size determined by the electrode in this case. Only milling machine motion if I get the right electrode size is z, at about .001 a minute, which emc can manage nicely. I have everything but the right sized electrode on hand. Even some trash that needs burnt by tossing the used kerosene on it. :) Oh yea I was just thinking about wire edm not sink edm. Sorry. Hey, stuff happens. :) -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) It seems a little silly now, but this country was founded as a protest against taxation. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) Who loves not wisely but too well Will look on Helen's face in hell, But he whose love is thin and wise Will view John Knox in Paradise. -- Dorothy Parker ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
If anybody has a better idea, yelp. EDM ? ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
Re: gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
On Fri, Apr 3, 2009 at 6:36 PM, andrewm andr...@thehacktory.com wrote: If anybody has a better idea, yelp. EDM ? Don't you aready need a hole to run the wire threw? Or are you just going to live with a very thin line cut threw to the hole? If your are going to spend EDM level money water jet would be better. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user -- http://www.coe.neu.edu/~efoss/ http://evanfoss.googlepages.com/ ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
Re: gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
On Friday 03 April 2009, andrewm wrote: If anybody has a better idea, yelp. EDM ? Humm, hadn't thought of that, but I did that a couple of years ago, removing some broken 6-32 taps from some blind holes about 3/4 deep. This was while building a new z axis drive for my micromill. PIMA to do, but it worked just fine if my time was only worth a nickle an hour, but when you are retired its sorta hard to place a value on time since nobody is paying me. And I've since acquired some much healthier transformers and rectifiers, so it shouldn't take 2 days per hole either. They change my ability from .35 amps at 28 volts to about 5 amps at 65 volts, but my resistors 50 ohms, 400 watt, will limit that to a bit over an amp under short circuit. Should make more better smoke that way. :) Thanks for reminding me of that. In this case, how about I get some of that brass tubing that's a bit over 7mm from the hobby shop and use that for electrode. No use removing the plug in the middle .01 at a time. :) Maybe I could even drill a porthole in it, and run it through a tee with o- rings to seal, and have a continuous kerosene flush, which would speed it up even more. I also found it seemed to help if the spindle was turning the electrode about 50 rpm to stir the dielectric. Yeah, come some warmer weather I'll do just that. Too cold for a diabetic with poor feet circulation to fiddle with now. That shop building has very little heat, just enough to keep it above the dew point _most_ of the time. Thanks! ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) The road to ruin is always in good repair, and the travellers pay the expense of it. -- Josh Billings ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
Re: gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
On Friday 03 April 2009, evan foss wrote: On Fri, Apr 3, 2009 at 6:36 PM, andrewm andr...@thehacktory.com wrote: If anybody has a better idea, yelp. EDM ? Don't you aready need a hole to run the wire threw? A hole for a wire through it? No. Or are you just going to live with a very thin line cut threw to the hole? If your are going to spend EDM level money water jet would be better. Drilling holes with EDM? Straight plunge cut/burn. Hole size determined by the electrode in this case. Only milling machine motion if I get the right electrode size is z, at about .001 a minute, which emc can manage nicely. I have everything but the right sized electrode on hand. Even some trash that needs burnt by tossing the used kerosene on it. :) -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) It seems a little silly now, but this country was founded as a protest against taxation. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
Re: gEDA-user: Putting holes in hard steel - was - Re: the joy and sadness of new boards
On Fri, Apr 3, 2009 at 8:24 PM, Gene Heskett gene.hesk...@verizon.net wrote: On Friday 03 April 2009, evan foss wrote: On Fri, Apr 3, 2009 at 6:36 PM, andrewm andr...@thehacktory.com wrote: If anybody has a better idea, yelp. EDM ? Don't you aready need a hole to run the wire threw? A hole for a wire through it? No. Or are you just going to live with a very thin line cut threw to the hole? If your are going to spend EDM level money water jet would be better. Drilling holes with EDM? Straight plunge cut/burn. Hole size determined by the electrode in this case. Only milling machine motion if I get the right electrode size is z, at about .001 a minute, which emc can manage nicely. I have everything but the right sized electrode on hand. Even some trash that needs burnt by tossing the used kerosene on it. :) Oh yea I was just thinking about wire edm not sink edm. Sorry. -- Cheers, Gene There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) It seems a little silly now, but this country was founded as a protest against taxation. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user -- http://www.coe.neu.edu/~efoss/ http://evanfoss.googlepages.com/ ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
