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Thread: Revolving drill head - photos and video

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    Jon
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    Revolving drill head - photos and video

    Revolving drill head.






    1:00 video:




    More: https://www.romai.de/en/machine-comp...ver-drill-head

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    Supporting Member Crusty's Avatar
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    Search for info about a Burgmaster - they were a real operations speed up in the days before CNC.
    If you can't make it precise make it adjustable.

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    high-side (Jul 4, 2019), Jon (Jul 3, 2019), Toolmaker51 (Jul 7, 2019)

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    Jon
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    Quote Originally Posted by Crusty View Post
    Search for info about a Burgmaster - they were a real operations speed up in the days before CNC.
    Interesting, good call! Here we go:



    1:56 video:


    7:30 video:


    VintageMachinery.org has a good page with Burgmaster documents here: Burgmaster Corp. - Publication Reprints | VintageMachinery.org

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    high-side (Jul 4, 2019)

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    Supporting Member threesixesinarow's Avatar
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    Similar system from the 1920s by Charles Cuno of Meriden, CT, that I noticed looking for something else. I think I saw pictures of small lathes with revolving drilling tailstocks like this, too.

    Revolving drill head - photos and video-fe85fcc6-5ecd-4e43-9ede-68ebf1cb2678.jpeg

    https://books.google.com/books?id=Mr...page&q&f=false

    Edit: I guess I misunderstood what the pulley was for on this Sloan & Chace tailstock - though run by the overhead belt drive it just advances the turret to the next station.

    Revolving drill head - photos and video-999a4970-0242-4b2b-a3bf-ffbb9d134a4d.jpg

    The also non-rotating Stark tumble tailstocks have a similar look to the Cuno drill, though. Stark Lathes Page 2
    Last edited by threesixesinarow; Jul 6, 2019 at 09:00 AM.

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    Those little Burgies, I think they are model #00 had a two groove sheave. 9000 rpm for a .011 drill is far better than 3600 in a Bridgeport. A carefully organized process, in a proper fixture can still give CNC's a good race.
    1st off nothing moves 18 inches for a tool change. Like process streamlining mentioned, with a rail, the operator's positioning in concert with indexing turret.
    Time was, such workers enjoyed intense production work. I enjoyed designing tooling they could do that with.



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