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Thread: Mini Lathe Carriage Gibs and Travel Handle Improvement

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

    Mini Lathe Carriage Gibs and Travel Handle Improvement

    Similar to other mods of the Mini Lathe carriage gibs. I used 3/4" wide by 5/16" thick brass stock 6" long
    to make the new gibs. Simple attachment using the original retaining bolts. I machined them to be undersize
    and then used brass shim stock to get the proper fit with the screws snugged up. I have adjusted them once
    since installing them. (about 2 years). All that was needed was to increase the tightness of the bolts.
    With the added 2 inches in length over the standard gibs the carriage is less likely to lift or tilt. So far I like the
    mod and find that my carriage is much more rigid than before the mod.
    I still have to remove the carriage to adjust them but that is an easy process.

    The carriage Handle: Previously I had replaced the plastic handle with steel which was nice but now, same as before but worse, the off balanced handle would cause a "jump" in the carriage travel when using the lead screw to move the carriage. This causes a flaw in the finish as the part is turned. To prevent this I added another steel handle to balance the first one and now the carriage moves smoothly. I like the extra handle for control of the carriage. My finish is now much better than it was prior to the mod.

    Cheers, JR
    Attached Thumbnails Attached Thumbnails Mini Lathe Carriage Gibs and Travel Handle Improvement-img_1484b-copy.jpg   Mini Lathe Carriage Gibs and Travel Handle Improvement-img_1486b-copy.jpg   Mini Lathe Carriage Gibs and Travel Handle Improvement-img_1487b-copy.jpg  

  2. The Following 9 Users Say Thank You to jjr2001 For This Useful Post:

    baja (02-27-2020), DIYSwede (02-27-2020), NortonDommi (05-27-2018), old_toolmaker (02-26-2020), Paul Jones (01-18-2018), PJs (01-19-2018), Saxon Violence (01-20-2018), Seedtick (01-18-2018), Toolmaker51 (01-20-2018)

  3. #2
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    Thanks jjr2001! We've added your Mini Lathe Carriage Gibs to our Lathe Accessories category,
    as well as to your builder page: jjr2001's Homemade Tools. Your receipt:




  4. The Following 2 Users Say Thank You to DIYer For This Useful Post:

    jjr2001 (01-23-2018), old_toolmaker (02-26-2020)

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




  6. #4
    Supporting Member old_toolmaker's Avatar
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    old_toolmaker's Tools
    jjr,

    Nice work on the minilathe gibs! I especially like the balanced carriage hand wheel!
    Thanks for posting this mod!
    Dick


    Links to some of my plans:

    http://www.homemadetools.net/forum/f...6068#post65876 OFF-SET TAILSTOCK CENTER PLANS
    http://www.homemadetools.net/forum/s...995#post112113 SMALL TURRET TOOL POST PLANS
    http://www.homemadetools.net/forum/l...994#post112111 LARGE TURRET TOOL POST PLANS
    http://www.homemadetools.net/forum/m...383#post110340 MINI-LATHE CARRIAGE LOCK PLANS
    http://www.homemadetools.net/forum/s...191#post106483 SMALL QC TOOL POST PLANS
    http://www.homemadetools.net/forum/q...849#post119345 QUICK CHANGE LATHE TURRET
    http://www.homemadetools.net/forum/m...949#post119893 MINI LATHE COMPOUND PIVOT MODIFICATION

  7. #5
    Supporting Member jjr2001's Avatar
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    jjr2001's Tools
    Thanks Dick, it works great and gets used a lot. Smoother than the single handle when I want to go faster than lead screw feed. The lead screw handle still gets used for most turning since it keeps my hand and arm out of the "Hot chip range" plus it has a graduated dial on it.

    Cheers, JR


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