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  1. Replies
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    414

    Wheel right? Ancient Norton book says 37C 30...

    Wheel right?

    Ancient Norton book says 37C 30 grit K grade - that there is a silicon carbide wheel
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    303

    Make yourself a an expanding mandrel on the end...

    Make yourself a an expanding mandrel on the end of a piece of stock in the lathe - have it fit the bore, and have a shoulder for the back face of the gear to sit against. Hack saw lots after tapping...
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    767

    More on back gears. Same 16" with the chart...

    More on back gears. Same 16" with the chart above.

    Here is the back - with big lever in that attitude, the back gears are disengaged - meaning the spindle is "running open belt" in the three...
  4. Thread: trepan tool?

    by johnoder
    Replies
    8
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    803

    Another related thread - some repetition as to...

    Another related thread - some repetition as to images

    ON TOPIC Meaning of Trepanning and Trepanning Tool

    ph
  5. Just so Then the RT is just a "mover", not...

    Just so

    Then the RT is just a "mover", not involved in radius making
  6. Replies
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    767

    Here are some of the levers. I'll suppose the...

    Here are some of the levers. I'll suppose the one I left out to right of QC selects between feed rod or lead screw. I'll add that the feed reverse has a NEUTRAL that you park it in when cutting...
  7. Thread: trepan tool?

    by johnoder
    Replies
    8
    Views
    803

    Related thread ...

    Related thread

    https://www.practicalmachinist.com/vb/cincinnati-milacron-kearney-trecker-vn-usa-heavy-iron/heavy-iron-being-built-houston-1975-a-286243/?highlight=Drilco


    Post #13 has a link...
  8. 4 to 5 floor space length mid thirties vintage 7...

    4 to 5 floor space length mid thirties vintage 7 feet for #4 and 8 foot 7 1/2" for #5 - which seems a bunch
  9. Replies
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    935

    Here is that odd page from February 1926 showing...

    Here is that odd page from February 1926 showing 1900ish apron parts

    289793
  10. Replies
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    1,145

    You can see the same size / type material and...

    You can see the same size / type material and what the effect on strength is at differing tempering temperatures in this mass effect data

    289700
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    427

    Related thread truing a collet chuck on an L00...

    Related thread

    truing a collet chuck on an L00 spindle
  12. Replies
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    900

    Yep, maybe the Great War - August 1914 to...

    Yep, maybe the Great War - August 1914 to November 1918.
  13. Replies
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    322

    "L" type threads just pull it up on the taper -...

    "L" type threads just pull it up on the taper - and the NAME says it all - "L" is for LONG TAPER

    You have to consider the back plate angle is not exactly like the spindle nose angle. Get some...
  14. Replies
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    767

    ATW did not publish weights in this 100 plus year...

    ATW did not publish weights in this 100 plus year old pub - thanks to Greg Menke for hosting this

    http://pounceatron.dreamhosters.com/docs/atw/atw-efficiency-bulletin-1919-si.pdf

    good luck - it...
  15. See the flats on the hexagon? Unscrew that...

    See the flats on the hexagon?

    Unscrew that bushing

    But you may want to see if there are any set screws preventing the unscrewing - surely they were on the ball enough to not require the saddle...
  16. Thread: trepan tool?

    by johnoder
    Replies
    8
    Views
    803

    Probably not DIY Three facet cutting tool and...

    Probably not DIY

    Three facet cutting tool and carbide wear pads for "head"

    289548

    There is way more to it though - like reliably evacuating fountain of chips coming off that tool. This is...
  17. Replies
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    767

    Posting photos ...

    Posting photos

    https://www.practicalmachinist.com/vb/south-bend-lathes/posting-pictures-south-bend-forum-372508/?highlight=photos

    Its competitor (belt drive but geared head) - made in the same...
  18. Thread: Pictures

    by johnoder
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    1
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    214

    Works well ...

    Works well

    https://www.practicalmachinist.com/vb/south-bend-lathes/posting-pictures-south-bend-forum-372508/?highlight=photos
  19. Replies
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    2,106

    Maybe you are running the motor (and pump)...

    Maybe you are running the motor (and pump) backwards?

    Get the cover off the left side (facing shaper looking at cuttiing tool coming at you - your left)

    As you look into the works in the...
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    K&T made them up to 18 X 108 as of '57 catalog

    K&T made them up to 18 X 108 as of '57 catalog
  21. Replies
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    935

    The 1916 page I posted above says 3500 for six...

    The 1916 page I posted above says 3500 for six foot bed and 350 additional for 2 more feet of bed. Later ones - like up to 1927 when the "star knob" apron clutches became levers- will very likely...
  22. Replies
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    461

    Works well ...

    Works well

    https://www.practicalmachinist.com/vb/south-bend-lathes/posting-pictures-south-bend-forum-372508/?highlight=photos
  23. Replies
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    935

    Funny thing about my edition of that (Bulletin...

    Funny thing about my edition of that (Bulletin No. 368 - dated February 1926) - some of the parts photos are from about early 1900s - immediately apparent if you are working on a late teens / early...
  24. Thread: Howard Hughes

    by johnoder
    Replies
    43
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    2,892

    Its no wonder Howard junior was a bit eccentric ...

    Its no wonder Howard junior was a bit eccentric

    Mom died at 39 when he was 17

    Dad died at work at 54 when he was 19

    Left with a business empire on his dad's passing - and no nonsense guys...
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    Late twenties if "No 2 Belt Spindle" Foot...

    Late twenties if "No 2 Belt Spindle"

    Foot pedals were sometimes used to move quill down as in drilling
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