ulma doctor

  1. Ulma Doctor

    Complete Hack Makes A Wooden Toolbox

    Hi friends, my son asked me this morning what are we gonna do today dadda? i said i don't know son, whaddya want to do? he replied, i wanna build something like Bob the Builder.... i asked if he would like to make a toolbox for his stuff, YES!!! was his response! i'm no woodworker, so this is...
  2. Ulma Doctor

    [Noteworthy] Stepper Motor, Nema 34- Deconstructed

    Hi guys, This project is not about CNC on a machine tool, rather about a bipolar NEMA 34 stepper motor similar to what are used with CNC machine tools. i work on industrial packaging equipment from many different manufacturers, as you already may have known. This time i had a scale indexer...
  3. Ulma Doctor

    [Noteworthy] Scraping In A Precision Straight Edge

    Hello again, i started another project that will enable me to do more projects, scraping in a precision straight edge. it's dimensions are 2 9/16" wide x 15" long x 3/4" thick! the straight edge has a 60* dovetail on one side, for use as a reference when scraping dovetails. A member, John...
  4. Ulma Doctor

    I Welded Some Unknown 400 Series Stainless Today- GTAW

    I got the task of welding an unknown grade of 400 series stainless steel used for making precision cutting edges for a brand of processing machine that i will leave nameless. My machine is a Miller Idealarc 250P(AC-DC TIG & STICK Welder), with a Lincoln High Frequency Box with foot control, and...
  5. Ulma Doctor

    Hercus 9" Workshop Lathe Model ARH Serial #15548V

    i"m Totally stoked, i just fell onto a pristine but dirty Hercus 9" workshop lathe on craigslist. For those who don't know the Hercus Lathe is a improved copy of the 9" south bend model A. they were imported from Australia, manufactured in Thebarton. it uses V belts instead of flat belts 9 x...
  6. Ulma Doctor

    1940 South Bend 11" 111B 105014 IQR Rebuild By Ulma Doctor

    I'm making this thread to educate any single person that is willing to read, or just look at some pictures and post a comment or ask a question. i promise to keep this thread open until completion. this thread is for you, the Interested... thanks for viewing. I recently acquired on trade a...
  7. Ulma Doctor

    Have You Ever Used One Of These??

    About a year ago i was trolling for antique tools on EBAY and i was able to get a heap of old tools ridiculously cheap. the best i can imagine was an old machinist had passed on and whomever was in charge of selling his tools had absolutely no idea what tools were or how much to charge for...
  8. Ulma Doctor

    Rpc simple design unbalanced

    Rpc simple design Here's a simple plan for an unbalanced 220/240 v single to 3 phase converter. this design will start ANY 3 phase motor of ANY horsepower with a change of start capacitors! keep in mind,the contactor coil is 220v in this design, adjust coil voltage for high voltage use(480v)...
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