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  1. I see Alco Tool is being auctioned off. This is...

    I see Alco Tool is being auctioned off. This is of course the Archie Lawrence business that included Axelson spares - including foundry patterns and engineering drawings

    This will be 27 August
    ...
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    Sheldon 11 on VM ...

    Sheldon 11 on VM

    http://vintagemachinery.org/pubs/2133/23859.pdf

    have fun

    On edit - add some useful info (with typos I see)

    296331
  3. Post 15 tells it all - NO SELECTOR LEVER to...

    Post 15 tells it all - NO SELECTOR LEVER to change from lead screw to feed rod - all it ever had was a feed rod, and never had a lead screw

    Pass it on by - it is a turning lathe ONLY. and I'll bet...
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    Might help ...

    Might help

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

    have fun

    Though no one seems to answer the sort of question in...
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    A little steep, but you get all three volumes ...

    A little steep, but you get all three volumes

    https://www.amazon.com/Manual-Gear-Design-Sections-3/dp/B000JNA4R2

    have fun
  6. First you need the cross slide to have a place to...

    First you need the cross slide to have a place to sit the compound on.

    The "squarish" hole is where you install the tee bolts to hold the compound base on - and swivel it as needed

    Its a fairly...
  7. Have hump on top of QC gear box? That is lead...

    Have hump on top of QC gear box? That is lead screw reverse housing stating clearly it came with a lead screw. No Hump? - maybe turning only version.

    Here is the 18" "C" - to show the hump
    ...
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    4
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    269

    It makes no difference. The goal is to bolt the...

    It makes no difference. The goal is to bolt the chuck to a D1-4" back plate. If the ones you have allow that you are set - assuming you don't actually expect widely diverse bolt holes and tapped...
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    Might help in the photo posting effort ...

    Might help in the photo posting effort

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

    have fun
  10. A little earlier version ...

    A little earlier version

    http://vintagemachinery.org/pubs/2103/17524.pdf

    have fun
  11. Have a drawer full of NOS .904 stubs - every one...

    Have a drawer full of NOS .904 stubs - every one of which has a very nice .250 hole in the .750 shank. I'll suppose these were lifter bore reamers in the Chrysler plant 60 plus years ago
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    May as well start near the beginning Link you...

    May as well start near the beginning

    Link you click on is 1913 catalog - thanks to Mr. Wells

    http://www.wswells.com/data/catalog/1913_catalog/1913_catalog.pdf

    Gaps shown page 20 and 21
    ...
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    The US suggests United States Standard - which...

    The US suggests United States Standard - which went away before my January 1940 American Machinist's Handbook came out

    I see Larry types quicker:D
  14. If you do use Oilite, Boston Gear has a page...

    If you do use Oilite, Boston Gear has a page about both machining (don't use "dull" tools that close up the pores) and sizing - with non cutting tools

    296034296035
  15. Thread: 71 g lathe

    by johnoder
    Replies
    8
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    371

    None of the later SBs has anything "standard" for...

    None of the later SBs has anything "standard" for a spindle taper - except possibly the small versions

    Yes, the .602 taper per foot is very close to MT3's .6024 - but SB used that .602 taper on...
  16. Example automotive application - early (fifties)...

    Example automotive application - early (fifties) Chrysler hemi distributor drive bush - no not plain bronze, but Oilite - 2200 RPM at stock max HP - and substantially above that with higher...
  17. Related thread Pratt and Whitney Model C,...

    Related thread

    Pratt and Whitney Model C, 16”x54” age by serial number?
  18. Tilting head made possible grinding (in two set...

    Tilting head made possible grinding (in two set ups) each side and half the "bottom" (which was in no way critical) of the 3.875 "slot" here when I had to make a clapper box for my 36" Ohio shaper
    ...
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    Lump head regal from thirties - or maybe late...

    Lump head regal from thirties - or maybe late twenties?

    Here is something of possible interest on VM dated 1931

    http://vintagemachinery.org/pubs/2102/3769.pdf

    have fun
  20. Thread: 71 g lathe

    by johnoder
    Replies
    8
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    371

    Catalog 94 - also on Mr. Well's web page - has...

    Catalog 94 - also on Mr. Well's web page - has the last mention of the 18" in his catalog collection- says the hole thru is a sixteenth larger than the 1 3/8 in the 16"



    Well - if SB had...
  21. Thread: 71 g lathe

    by johnoder
    Replies
    8
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    371

    Sounds like an 18" if 2 5/8 - 6. These 18" were...

    Sounds like an 18" if 2 5/8 - 6. These 18" were discontinued mid nineteen thirties

    71 is listed in this 1923 pocket catalog

    http://www.wswells.com/data/catalog/79JR/cat_79jr.pdf
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    Just So. Especially on chain link fence parts -...

    Just So. Especially on chain link fence parts - like the gate hardware they fabbed up on the spot and hurriedly squirted it on:D
  23. Thread: 71 g lathe

    by johnoder
    Replies
    8
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    371

    What's a 71G? 1" collet South Bends were...

    What's a 71G?


    1" collet South Bends were 1.629 on big end - with .602 taper per foot on diameter - fits THEIR spindle bushings / sleeves and collet holders

    295896
  24. You can also "shoe" or "line" the original...

    You can also "shoe" or "line" the original bearings (they already fit the head stock) similar to what I did to these bronze shifting forks
    ...
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    I feel better now. (looking at later and earlier...

    I feel better now. (looking at later and earlier ways to get a 4.04 lead)
    :D

    Did both sets of gears and came up with a ratio of .404 to 1

    And 10 times that is 4.04 lead
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