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Thread: Small Quick Change Tool Post

  1. #1
    old_toolmaker's Avatar
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    Small Quick Change Tool Post


    Small Quick Change Tool Post Plans for Sale - $5.00



    $5.00 - 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:

    • A 7-page PDF manual.
    • 9 technical drawings.
    • 3 color photographs.







    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 small quick change tool post.



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  3. #2
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    I originally designed this small Quick Change Tool Post to fit my Unimat DB200. This design is based loosely on the Hardinge quick change tool post and uses a wedge against the dovetail to lock the tool holder. It is far better than anything I have seen so far for the little Unimat lathe and other small lathes such as Taig and Sherline.
    The design features are:
    A) 1-3/8" square quick change tool post
    B) Customizable to fit any lathe .472" (12MM) minimum vertical center distance required from the centerline of lathe headstock to top of compound cross slide)
    C) 1/2" X 7/8" X 1-3/8" quick change tool holders hold 1/4" tool bits (tool slot size is 5/16")
    D) Tool height is easily adjustable via a socket set screw from the top
    E) Robust construction, repeatable, rigid, smooth and positive operation
    F) Saves set up time on the lathe
    G) All components fully detailed CAD Drawings DUAL DIMENSIONED (Imperial & Metric)

    Repeat-ability is well within .0005" tool change to tool change. I have also used it on my MicroMark 7" X 16" mini lathe with very good results with an added riser block. The build is straight forward. It does require the use of a dovetail cutter which is available from McMaster-Carr. It is possible to machine it entirely on the lathe on which it will be used if it is equipped with a milling attachment, but, a milling machine can make it easier and quicker. I built the one pictured about ten years ago and have sold hundreds of copies of this plan to date. I is the only tool post I use on my Unimat and it makes setting tool height so easy. You can make as many tool holders as you need to leave all your tools set up in holders ready to be interchanged at a moments notice. The plan includes fully detailed drawings, material suggestions and step by step written documentation for each part. Nothing is left to the imagination. I will be here on this forum monitoring this thread to help with any questions that may arise. I want to see anyone who wants to build this project succeed and I will make an effort to coach from a distance. However, due to the wide range of skill levels and circumstances beyond my control I cannot guarantee the outcome.
    Happy Building!
    This Quick Change Tool Post was featured on the front cover of the November 2011 issue of Model Engineers Workshop a UK publication.

    Dick
    Attached Thumbnails Attached Thumbnails Small Quick Change Tool Post-qctp-unimat.jpg  
    Last edited by old_toolmaker; 07-04-2018 at 12:43 PM. Reason: Added descriptive information

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  5. #3
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    Nice quick change tool holder for a small lathe. I need one for a Sherline and that looks about right.
    I downloaded the plan but what I got was the Offset Tailstock Center by Richard Van Beusekom.zip
    Is the wrong file linked?

    Thanks, JR

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    old_toolmaker's Avatar
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    jjr2001,

    Thank you for bringing this to my attention.
    It sure appears from your post that the wrong file is linked. I am not sure how to handle this as I have no control over that part, but I will try to send a message to the administrators.

    Dick

  7. #5
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    Thanks Dick.

    I went ahead and sent Jon a PM (private message) about the issue and I am sure he will fix the link.

    Cheers, JR

  8. #6
    Jon
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    Thanks jjr2001 - you found a bug. One of the links was incorrectly pointed. I've fixed the link, and sent you the Small Quick Change Tool Post plans for free. These plans are new to the plans market, so let us know what you think.

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  10. #7
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    Just opened the plans and I must say they are excellent. Great pictures, drawings, parts list, and instructions.
    I am thinking of buying a Sherline lathe to go with my new Sherline Mill and this will be my tool post for that machine.

    Thank you both.

    Cheers, JR

  11. #8
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    jjr2001,

    Enjoy building the Small QC tool Post. If you need or want assistance during your build please contact me on this thread. I am here to assist.

    dick

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  13. #9
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    Thanks Dick, just ordered the steel. Should be ready to start soon.

    Cheers, JR

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  15. #10
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    that really nice.

    do you have video that show how it work?
    I have unimat DB200.
    is that can be done in only unimat lathe and mill attachment?
    or it need to be turn in bigger lathe?

    thanks

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