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Thread: Mini Lathe Carriage Lock and Chip shield

  1. #1
    Supporting Member jjr2001's Avatar
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    jjr2001's Tools

    Mini Lathe Carriage Lock and Chip shield

    I had my lathe down for maintenance so I thought I would post the details of some of my mods.
    Commercial ones are available but I liked the low clearance this one provides.
    It consists of the bottom "nut clamp". 5/16" thick I believe.
    The spacer, so I don't clamp down so hard to break the carriage.
    The upper bar that installs in the traveling steady holes.
    The socket head cap screw that does the locking. I ground the
    head of the cap screw to make it as short as possible and still
    have the hex inside.

    I did grind down a standard allen key wrench to make it as short
    as possible for this locking bolt.
    The only area that is a bit of a pain is that the socket head cap
    screw locking bolt will fill with chips. Not really a big deal, just keep
    a sharp pointed rod nearby and no problem.

    Cheers, JR
    Attached Thumbnails Attached Thumbnails Mini Lathe Carriage Lock and Chip shield-img_1490b-copy.jpg   Mini Lathe Carriage Lock and Chip shield-img_1488b-copy.jpg   Mini Lathe Carriage Lock and Chip shield-img_1489b-copy.jpg   Mini Lathe Carriage Lock and Chip shield-img_1491b-copy.jpg  
    45 Best Harbor Freight Tool Modifications


  2. The Following 3 Users Say Thank You to jjr2001 For This Useful Post:

    garage nut (01-18-2018), Paul Jones (01-18-2018), Seedtick (01-18-2018)

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    Supporting Member mklotz's Avatar
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    mklotz's Tools
    500+ Homemade Tool Plans

    I have SHCS's holding the compound on my lathe so I sympathize with the problem of the hex aperture filling with swarf.

    My first fix was to take some plastic rod and mill a short hex on the end to match the size of the hole in the SHCS. Cut this off with a thin slice of the (cylindrical) parent material attached. Voila, a plug for the hole. Depending on the type of plastic, if you make the hex slightly oversize so it force fits, it will remain in place when a chip brush sweeps across it.

    The plastic plug may prove slightly annoying on bolts that must be accessed frequently. Punch some circular "dots" from one of those freebie advertising refrigerator magnets and stick it over the hole in the bolt. If it gets swept away or covered with attracted swarf, discard and use a new one; they're cheap.
    Forge Build Guide

    ---
    Regards, Marv


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  4. The Following 3 Users Say Thank You to mklotz For This Useful Post:

    jjr2001 (01-18-2018), Paul Jones (01-18-2018), Toolmaker51 (01-20-2018)

  5. #3
    Supporting Member jjr2001's Avatar
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    jjr2001's Tools
    Thanks Marv, great idea. I just happened to have some neodymium magnets in the shop that are 1/2" in diameter.
    They stick just fine and have the right amount of pull to stay in place and yet be easy to remove..

    Cheers, JR

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    Paul Jones (01-18-2018)

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    Thanks jjr2001! We've added your Lathe Carriage Lock to our Lathe Accessories category,
    as well as to your builder page: jjr2001's Homemade Tools. Your receipt:





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    jjr2001 (01-19-2018)

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