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How often do you measure over 12"?

Discussion in 'METROLOGY - MEASURE, SETUP & FIT' started by NCjeeper, Apr 27, 2017.

  1. kd4gij

    kd4gij United States Active User Active Member

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    My 6" calipers don't get used much at work. The 12" sure does.
     
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  2. scwhite

    scwhite United States Active Member Active Member

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    Is that a lathe carriage scale .
    Where did you get it.
    How long have you had it
    Is it home made or a true lathe vernier scale
    It looks to be a very good tool to add the the lathe
     
  3. Uglydog

    Uglydog United States Active User H-M Supporter-Premium

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    Brown Sharpe 36" vernier caliper.
    Got her cheap on account of the surface rust.
    Was very pleased that she had no pitting!
    Cleaned up nice.

    Daryl
    MN
     
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  4. scwhite

    scwhite United States Active Member Active Member

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    Is that bar round
     
  5. Uglydog

    Uglydog United States Active User H-M Supporter-Premium

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    Looks exactly like this only 36". This is not my pic...
    Also, mine didn't come with the 2diamonds.

    Daryl
    MN
    122317966818_1.jpg
     
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  6. scwhite

    scwhite United States Active Member Active Member

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    I was talking about that vernier scale early
    On in this thread that is laying on that big saw cut
    Log . It appears to be a round Vernier
    Don't look anything like the one you just posted
     
  7. dlane

    dlane Active User H-M Supporter-Premium

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    Scwhite : the yard stick is 2/3 round, the measure head is round on the right side,
    I got it from a guy that his machinist farther passed away and was selling stuff off about a year ago along with a lot of other machinist stuff.
    Rustrp: I was referring to its quality not who made it, as there are no names on it, hence built rite.
    Some day I'll find a use for it , I'm not seeing a way to mount it on the SB 10L yet.
     
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  8. scwhite

    scwhite United States Active Member Active Member

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    Is the ends threaded
     
  9. Rustrp

    Rustrp United States Active Member Active Member

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    Okay, I saw built rite and thought you were referring to the tool company in Massachusetts. I can find a use for the precision rule if you run out of ideas. :D
     
  10. dlane

    dlane Active User H-M Supporter-Premium

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    1/4-20 end threads
     
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  11. Highsider

    Highsider United States Active Member Active Member

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    I have a 24" vernier caliper, but for most OD measurements, a diameter tape (pi tape) is just about as accurate and a lot cheaper.
     
  12. Dabbler

    Dabbler Active Member Active Member

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    I have a 12" digital caliper I use about 1/month. Just picked up a 24" manual vernier caliper. I admit it - I'm a toolaholic.
     
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  13. scwhite

    scwhite United States Active Member Active Member

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    No a tape is not ether
    Try the Starrett Vervier calipers model 123z
    Master bar .
    They are extremely accurate.
    All you need to do is learn how to use them
    The feel is a little tricky but they are very very accurate. 50 vernier divisions on them .
     
  14. coolidge

    coolidge United States Active User Active Member

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    For anything over 6 inches my Starret rules and square have sufficed, I have a 12 and 24 in chrome satin that fit the combination square.
     
  15. NCjeeper

    NCjeeper United States H-M Supporter - Premium Content H-M Supporter-Premium

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    So I needed some stuff from Shars so I threw a 24" caliper in my cart. Ironically on ebay shipping costs for the caliper are 17 bucks. My order from shars with the caliper was 15 bucks. :concerned:
     
  16. Dabbler

    Dabbler Active Member Active Member

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    One of my friends, a toolmaker, claims he did an assembly over 24 feet using only an accurate tape measure and a jewelers loop, holding to .003 tolerance all along the way... I know he holds incredible accuracy on his machines, so it lends some credibility to his claim. It was cheap enough to get an accurate vernier that was 24" long.
     
  17. Rustrp

    Rustrp United States Active Member Active Member

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    It's my guess that .003" will come and go with the evening breeze.
     
  18. ezduzit

    ezduzit United States Active User Active Member

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    Pikers! :)

    My largest caliper reads to 60"

    [​IMG]
    [​IMG]
     
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  19. NCjeeper

    NCjeeper United States H-M Supporter - Premium Content H-M Supporter-Premium

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    You win ez. :congratulate:
     
  20. rick9345

    rick9345 United States Active User H-M Supporter-Premium

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    Big callipers,Big bragging rights, no need to measure.:)
     

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