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  1. #1
    Join Date
    Jan 2009
    Location
    perth wa
    Posts
    110

    Default Jarno or Morse taper

    I have 1930 English lathe which I am restoring I trying to work out the taper in the headstock spindle the angle is 6.5 degrees any thoughts of this matter would help

  2. #2
    Join Date
    Sep 2007
    Location
    Wentworth Falls NSW 2782
    Age
    77
    Posts
    134

    Default

    There is a set of tables for various tapers on the LittleMachineShop site:

    http://littlemachineshop.com/reference/tapers.php

    You don't mention the manufacturer of the lathe but if you know the maker you could try here:

    http://www.lathes.co.uk/index.html

    6.5 Degrees seems odd.

    Good luck,

    Findlay.

  3. #3
    Join Date
    Jan 2009
    Location
    perth wa
    Posts
    110

    Default

    Quote Originally Posted by MacPuddock View Post
    There is a set of tables for various tapers on the LittleMachineShop site:

    http://littlemachineshop.com/reference/tapers.php

    You don't mention the manufacturer of the lathe but if you know the maker you could try here:

    http://www.lathes.co.uk/index.html

    6.5 Degrees seems odd.

    Good luck,

    Findlay.
    Yes have tried UK Lathes no luck the lathe is a Edgwick Mark one which is quite rare these days made by Alfred Herbert the bush had internal taper MT3 but outside taper looks like Jarno 14 I think I will have to make one.

  4. #4
    Join Date
    Sep 2007
    Location
    Wentworth Falls NSW 2782
    Age
    77
    Posts
    134

    Default

    Looks like a good sized machine.

    There is a thread on MadModder forum where a guy is making the spindle adapter. He seems to have had a false start but got there in the end. His second attempt at measuring the taper would seem to support the Jarno taper.

    http://madmodder.net/index.php/topic....html#msg31625

    I think he has another couple of threads about his lathe on the forum.

    Findlay.

  5. #5
    Join Date
    Jan 2009
    Location
    perth wa
    Posts
    110

    Default

    Quote Originally Posted by MacPuddock View Post
    Looks like a good sized machine.

    There is a thread on MadModder forum where a guy is making the spindle adapter. He seems to have had a false start but got there in the end. His second attempt at measuring the taper would seem to support the Jarno taper.

    http://madmodder.net/index.php/topic....html#msg31625

    I think he has another couple of threads about his lathe on the forum.

    Findlay.
    Thanks for that link a great help I thought it was a Jarno taper.

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