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  1. 4th November 2012, 02:51 PM #1
    bob colles
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    Default Check out the size of this vernier ....

    I was in there yesterday morning and told him he should throw it on the net and he did! No idea what you would measure with it.....it looks more like a 'pride product.'

    Mick Moyle's Engineers Supplies
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  3. 4th November 2012, 03:08 PM #2
    QC Inspector
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    There is a 3 meter / 10 footer at work. It doesn't get much use though.

    Pete
  4. 4th November 2012, 03:36 PM #3
    bob colles
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    10 foot? Wow! My thinking is at over 50 inches you may as well use a tape measure. I don't think accuracy matters that much as whatever you are measuring would expand and contract well over 1 mm in a day. (thermal)
  5. 4th November 2012, 03:56 PM #4
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    Ueee
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    That is big....but as far as thermal expansion goes, as long as the vernier was the same temp as the work the measurement would still be correct at 20deg (i think thats what the standard test temp is?)
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
  6. 4th November 2012, 04:06 PM #5
    QC Inspector
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    It was used to measure the outside diameter of the frames between rocket stages that we roughed to size from forgings. We sent them on to another company to be finish machined. It was an offload job because they couldn't keep up so we did the less important bits leaving them to concentrate on the fussy stuff. Like my technical jargon? We also have an inside micrometer that measures from 40 to 120 inches depending on the combination of sections put together.

    Now we use our big co-ordinate measuring machine or the Laser Tracker for parts that size or bigger.

    Pete
  7. 4th November 2012, 04:19 PM #6
    bob colles
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    You mean like Saturn V type rockets?
  8. 4th November 2012, 04:35 PM #7
    QC Inspector
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    The Delta series.

    Pete
  9. 4th November 2012, 04:53 PM #8
    bob colles
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    My god! A rocket scientist. I think that is about as smart as one can get on the smart food chain. Much respect. A speculative question - Do you see any other way humans can get stuff into space? (other than rockets) Is there anything on the drawing board that looks feasible?
  10. 4th November 2012, 06:55 PM #9
    bob colles
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    Ueee

    25c is STP is it not? centuries since I did chemistry.
  11. 4th November 2012, 07:04 PM #10
    BobL
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    Quote Originally Posted by bob colles View Post
    Ueee

    25c is STP is it not? centuries since I did chemistry.
    20ºC is standard temperature. 1 Atmosphere is standard Pressure
  12. 4th November 2012, 08:45 PM #11
    Steamwhisperer
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    Quote Originally Posted by BobL View Post
    20ºC is standard temperature. 1 Atmosphere is standard Pressure
    Well I just learnt something. I always thought it was 22 deg C
  13. 4th November 2012, 08:46 PM #12
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    Quote Originally Posted by Steamwhisperer View Post
    Well I just learnt something. I always thought it was 22 deg C
    I only vaguely remembered 20 i think that is what it says on my gauge block certificate.
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
  14. 4th November 2012, 08:49 PM #13
    Steamwhisperer
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    Whats standard tool room temperature??
  15. 4th November 2012, 08:53 PM #14
    bob colles
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    Standard tool room temp depends on how badly you have screwed a job up!
  16. 4th November 2012, 09:14 PM #15
    Steamwhisperer
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    Quote Originally Posted by bob colles View Post
    Standard tool room temp depends on how badly you have screwed a job up!
    So what you are saying Bob is that if I worked in the tool room the temperature would be lava

    Phil
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