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  1. #1
    Join Date
    Sep 2011
    Location
    Ballarat
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    65
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    3,103

    Default 'Simple Indexer' for the lathe.

    I recently needed to do some indexing on my lathe and an indexing mechanism had been on my list for an awful long time.
    I will as usual apologise for the laziness of my work but I 'was' in a hurry and I used what was on hand.
    I have to say it worked very well.

    Phil
    Lathe indexer28.JPG Lathe indexer27.JPG Lathe indexer4.jpg Lathe indexer5.jpg Lathe indexer10.jpg Lathe indexer29.JPG Lathe indexer30.JPG Lathe indexer14.jpg Lathe indexer17.jpgLathe indexer21.jpg Lathe indexer20.jpg

  2. #2
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    71
    Posts
    5,942

    Default

    I like the KISS principle, Keep It simple Sir, and can't get any simpler that what you've done.
    Top marks for enginuety.
    Kryn
    To grow old is mandatory, growing up is optional.

  3. #3
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
    Posts
    6,439

    Default

    Hi Phil,

    Very nicely done I like that, a lot.
    Best Regards:
    Baron J.

  4. #4
    Join Date
    Jul 2008
    Location
    near Warragul, Victoria
    Posts
    3,718

    Default

    That's a well thought out gadget ! Sorry if I missed something but can you lock the lathe spindle so that it can't move and upset the work in progress ?

  5. #5
    Join Date
    Sep 2011
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    Ballarat
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    65
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    Default

    Quote Originally Posted by morrisman View Post
    That's a well thought out gadget ! Sorry if I missed something but can you lock the lathe spindle so that it can't move and upset the work in progress ?
    Hi MM
    my lathe doesn't have a way of locking the spindle but the indexer does both. It does part rotations of the chuck using the selected gear, depending on how many divisions on whatever it is I might need to do and when the detent is engaged, it stops the chuck from rotating.
    The job I built it for was the little pinion gear(//metalworkforums.com/f303/t202...79#post1936579) which, being so small it needed a definite lock as small rotation was a big rotation cutting the teeth. I had 8 teeth to cut on a 6 mm diameter blank. I even had to put my glasses on.

    Phil

  6. #6
    Join Date
    Apr 2008
    Location
    Canberra
    Posts
    805

    Default

    Nice build Phil - as discussed over PM its one I intend on copying!

    Re spindle locking - I wonder if there is a way we could use the lathes brake to do this? Install some sort of a hand brake lever maybe.

  7. #7
    Join Date
    Sep 2011
    Location
    Ballarat
    Age
    65
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    3,103

    Default

    Quote Originally Posted by 19brendan81 View Post
    Nice build Phil - as discussed over PM its one I intend on copying!

    Re spindle locking - I wonder if there is a way we could use the lathes brake to do this? Install some sort of a hand brake lever maybe.
    Hi Brendan
    After indexing and while cutting, I stuck my foot on the brake as a bit of insurance, even though the detent did the job due to it being directly attached to the spindle.

    Phil

  8. #8
    Join Date
    Feb 2018
    Location
    Florida, USA
    Posts
    20

    Default

    Phil
    How do you mount on the other end? The work piece?
    Nelson

  9. #9
    Join Date
    Sep 2011
    Location
    Ballarat
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    Default

    Quote Originally Posted by Nrcollar View Post
    Phil
    How do you mount on the other end? The work piece?
    Nelson
    Hi Nelson
    the job I built it for was the little pinion gear I had to make. I put the material into the chuck of the lathe. With the indexer at the back (extreme left) of the lathe locating into the appropriate change gear mounted into headstock spindle using the collet, there becomes a direct connection to the lathe chuck for indexing via the gears teeth.

    Phil

    DSC_0005 copy.JPG 20180327_142701 copy.jpg

  10. #10
    Join Date
    Feb 2018
    Location
    Florida, USA
    Posts
    20

    Default

    Phil
    I see you use your chuck to hold the work piece. Very nice job. I made one similar to that, I use on my South Bend.
    Thanks for your response
    Nelson

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