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  • Gorton mill

    There is an auction (estate) here Sat that says they have a couple of Gorton mills for bid. I do not have any more details about the mills. Is there a preferred model for the HSMer?
    I may be able to view the mills on friday pm. If I had an idea of which model numbers I should be looking for it would help a lot.
    thanks.
    John Burchett
    in Byng OK

  • #2
    Check out the Yahoo group:
    http://groups.yahoo.com/group/gortonmill/

    They have many manuals there for free download, and quite a bit of pictures to peruse too.
    I think the 1-22 is one of the most common and familiar of the Gorton mills. They are pretty nice machines. But I think the older ones get pretty good reviews too.

    I think as long as it wasn't clapped out, or it's not a mill but actually one of their pantographs (unless you need one), and it's a good deal, then it's probably worth hauling.

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    • #3
      I looked at getting a Gorton mill way back when. They're good solid machines. The grandson or great grandson of the founder has a website about them here:

      http://gorton-machine.org/

      One thing to look at is the spindle taper. They had a proprietary collet for the machines with other tapers available as options (B&S 9, 30 taper and R8 were all options at some point in time). The Gorton collets can be hard to find and you probably won't find things like endmill holders, saw arbors, and boring head shanks unless you make them yourself. If it comes with tooling, great. If not, you might want to pass, or adjust your bid accordingly. Also, some of the smaller mills have a pretty high spindle speed on the low end, so power tapping won't be possible on some of them (unless you've got some serious stones). Check the speed chart to be sure. Hope this helps.

      Stuart
      Stuart de Haro

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      • #4
        Tyrone: Thanks for the response. I have applied for membership, but no answer yet.
        John Burchett
        in Byng OK

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        • #5
          Thanks for the input. I think I will be able to preview them on friday pm if I can get out of a meeting and get there in time.
          John Burchett
          in Byng OK

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          • #6
            BTW, the proprietary collet looks like a small R8, although it has a larger, steeper tapered section and the drawbar end is triangular (maybe square, can't remember), presumably to act as a key.
            Stuart de Haro

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            • #7
              Originally posted by kc5ezc
              *** Is there a preferred model for the HSMer? ***
              I really like my Gorton O-16A Unimill. It's about a 3/4 scale Bridgeport with most of the BP's work envelope. It fits in the corner of the garage nicely, but it is short so it's a sit-down machine unless you put it on 6-10" riders.

              The head swivels and knods and has 3" of quill downfeed (not powered though). It weighs about 1,500lbs. Spindle speeds are 300-5,000 rpm's. It does use a proprietary collet with a max tool shank size of 1/2-inch.

              I have a manual here, so let me know if you need some more detailed specifications or a copy later.

              Good luck,

              Bob



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