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Thread: Mini Lathe Compound Pivot Lock Modification Plans

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    old_toolmaker's Avatar
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    old_toolmaker's Tools

    Mini Lathe Compound Pivot Lock Modification Plans


    Mini Lathe Compound Pivot Lock Plans for Sale - $7.00



    $7.00 - Click here to buy now via PayPal and download instantly

    30-day money-back guarantee.
    If you purchase these plans and are not 100% satisfied, we'll refund your purchase price.





    These plans include:

    • An 8-page PDF manual with 4 color photos.
    • 4 technical drawings.







    Feel free to post any questions you may have in this discussion, either before you purchase or during construction. Or, post pictures of your finished mini lathe compound pivot lock.


    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
    https://sowl.co/nGuyP MINI-LATHE CARRIAGE LOCK PLANS
    http://www.homemadetools.net/forum/s...191#post106483 SMALL QC TOOL POST PLANS
    https://sowl.co/psE5w QUICK CHANGE LATHE TURRET
    https://sowl.co/UMVpo MINI LATHE COMPOUND PIVOT MODIFICATION

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    old_toolmaker's Avatar
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    I have owned a 7 X 16 MicroMark mini lathe for about 6 years and have used it extensively for turning and for light milling. Over that time I made several improvements to the machine when need dictated. One feature of the little lathe really bugged me and that was the way the compound was locked down after setting an angle. The locking screws are located under the top section of the 2 piece compound and are inaccessible from the top when trying to set an accurate angle. I fought with this insane design for a while before deciding I needed to do something different. I was tired of cranking the compound back and forth using an indicator to set an angle and then get things just about right, only to have it slip when I cranked it back to lock the setting. Enough of this nonsense! I had owned several lathes over the years and liked the method used by Logan and South Bend which utilize a circular dovetail clamping method and decided to design that system to fit into the mini lathe compound. There is nothing original on my part here-I simply put it all into a neatly detailed and dimensioned CAD drawing. The difference between the original system and what I have now is like night and day. It is so easy to set perfect angles now and all the frustration is gone now! For my first test project I chose to make several 8mm watchmakers arbors to fit the collet spindle of my Quorn cutter grinder. It was an easy job, to say the least, to produce nice fitting tapers. This modification was worth my effort to do. This project requires 3 holes to be drilled and tapped (2 at 45 degree angles) into the cross slide and also 3 holes drilled and tapped in the bottom underside of the compound.


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    Last edited by old_toolmaker; 10-25-2018 at 06:44 PM.
    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
    https://sowl.co/nGuyP MINI-LATHE CARRIAGE LOCK PLANS
    http://www.homemadetools.net/forum/s...191#post106483 SMALL QC TOOL POST PLANS
    https://sowl.co/psE5w QUICK CHANGE LATHE TURRET
    https://sowl.co/UMVpo MINI LATHE COMPOUND PIVOT MODIFICATION

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