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Thread: Head stock spindle adapter question

  1. #1
    Join Date
    Jun 2007
    Location
    Oceanside, So. Calif. 5 mi. to the ocean
    Posts
    4,944

    Head stock spindle adapter question

    Hi,

    Where can I purchase a headstock spindle adapter for a lathe with 7/8” x 14 tpi headstock...one that will give me the standard 1” x 8 tpi?

    I purchased a very nice Delta 46-140 woodlathe from Dan Gonzales (Dan & wife are really nice and the three children are jewels). It is in excellent condition. The down side is that it has a 7/8” x 14 tpi headstock whereas 1” x 8 tpi seems to be the standard for smaller lathes.

    I have been able to find a chuck (Teknatool SuperNova2) at with the 7/8 14 threaded insert at Woodcraft. However this leaves me with the same oddball thread problem if I wish to purchase other attachments.

    Penn State Industries has all kinds of headstock spindle adapters except the 7/8 14 that I need (Murphy’s Law*). If I could find a 7/8 x 14 to 1 x 8 adapter I believe it would solve the unusual size headstock thread problem and make this a very useable lathe. OR Is there a better way?

    * Years ago one of my patients said, “Murphy was an optimist.” I have been laughing, groaning and crying about that ever since he told me.

    Enjoy,

    Jim
    First of all you have to be smarter than the machine.
    VOTING MEMBER

  2. #2
    Join Date
    Dec 2006
    Location
    Floydada, Tx
    Posts
    1,941
    Local machine shop. Will probaly cost around $30.

  3. #3
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
    Posts
    11,825
    As Al said, a local machinist.
    My first adapter was made by a machinist, however, he charged me $40.00.

  4. #4
    Join Date
    Jul 2008
    Location
    Alexandria, Virginia
    Posts
    1,071
    I spent the last hour looking on line. I agree with Frank and Al, have a machinist make one for you.
    I'l add you may want to look around to see if you can replace the drive center to something that also allows use of Morse taper accessories.
    Last edited by Frank Townend; 04-26-2009 at 10:50 PM.



  5. #5
    Join Date
    Feb 2009
    Location
    Whittier, CA, USA
    Posts
    512
    Jim,

    Sorry about your not finding a spindle adapter.

    These fellows might have one, and they state they can make one if required.

    http://woodenpost.com/products/chang...e_on_lathe.htm

    Again, sorry about the oddball size. I never needed to get anything new for it when I had it.
    Dan Gonzales
    Whittier, CA, USA
    Dona nobis pacem

  6. #6
    Join Date
    Jun 2007
    Location
    Oceanside, So. Calif. 5 mi. to the ocean
    Posts
    4,944
    Dan,

    Do NOT worry. I walked into this with my eyes wide open (well almost wide open---I glanced at it and thought it was a 3/4" thread). I was very aware of the MT 1 also.

    You now have my permission to sleep nights.

    Tell your wonderful wife and three kids "Hi." for me.

    Enjoy,

    Jim
    First of all you have to be smarter than the machine.
    VOTING MEMBER

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