Need threads and feeds plate picture
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  1. #1
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    Default Need threads and feeds plate picture

    I need a good photo of the threads and feeds plate for a 1952 12.5 inch cintilathe. It should be P.N. 600155. Can anybody post a good high resolution photo for me, please

  2. #2
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    You can blow this up to whatever magnification you like, but it won't be high resolution

    Its for the 15 and 18 - with 1 1/2 TPI upper right. Yours will be 3 upper right and 184 lower left

    Relationship thread lead to feed on longitudinal constant at 2.75:1 - at 184 TPI position it is .0019" and at the 3 TPI position it is .1212"

    Pdf page 4 is this link

    http://vintagemachinery.org/pubs/177/20863.pdf
    Last edited by johnoder; 07-23-2019 at 01:08 PM.

  3. #3
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    Here's a screencap from a different Cintilathe brochure, showing the speeds and feeds tables for English and metric QCGBs on the 10" and 12-1/2" machines. If this is too small to read, PM me your email, and I'll send the image file directly.

    screen-shot-2019-07-24-6.12.25-am.jpg


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