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Thread: 8mm Grinding Wheel Arbors with Drawbar

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

    8mm Grinding Wheel Arbors with Drawbar

    I recently made a few more 8mm cutter grinder wheel arbors to fit my Quorn cutter grinder. I use the 8mm arbor for it's ease of use and quick change over from one type of wheel to another. Once the wheels are dressed true they can be taken out of the spindle and put back in and will continue to run perfectly true with no need to redress. This is a real convenience and time saver. I turned all the arbors in one chucking including threading before removing them from the mini lathe. I have enough QC lathe tool holders setup for this job so it goes quickly. I also have enough wheels and arbors to leave all my grinding wheels and arbors mounted at all times for quick change over.8mm Grinding Wheel Arbors with Drawbar-quorn-8mm-wheel-arbor-c.jpg8mm Grinding Wheel Arbors with Drawbar-img_1623.jpg8mm Grinding Wheel Arbors with Drawbar-img_1620.jpg8mm Grinding Wheel Arbors with Drawbar-img_1618.jpg8mm Grinding Wheel Arbors with Drawbar-quorn-8mm-wheel-arbor-.jpgClick image for larger version. 

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    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

  2. The Following 6 Users Say Thank You to old_toolmaker For This Useful Post:

    Crusty (06-06-2020), DIYSwede (06-07-2020), Jon (06-08-2020), mwmkravchenko (06-08-2020), Paul Jones (06-11-2020), Seedtick (06-08-2020)

  3. #2
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    Thanks old_toolmaker! We've added your Grinding Wheel Arbor to our Grinding category,
    as well as to your builder page: old_toolmaker's Homemade Tools. Your receipt:




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

    olderdan (06-07-2020), old_toolmaker (06-07-2020)

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    Supporting Member old_toolmaker's Avatar
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    old_toolmaker's Tools
    I need to clarify and add some important information on the 8mm arbors. I built my spindle to match the Unimat watchmakers collet spindle.The 8mm arbors are very similar to WW collet specs, but have a .275-40 thread. They are quite fun to machine. For me it was an easy decision to use this standard in order to keep all my equipment able to use the same interchangeable attachments and tooling.
    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

  6. The Following 2 Users Say Thank You to old_toolmaker For This Useful Post:

    olderdan (06-07-2020), threesixesinarow (06-07-2020)

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    Supporting Member olderdan's Avatar
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    olderdan's Tools
    Nice work and defiantly the way to go having designated arbours and or hubs for grinding wheels.

  8. The Following User Says Thank You to olderdan For This Useful Post:

    old_toolmaker (06-07-2020)

  9. #5
    Supporting Member old_toolmaker's Avatar
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    old_toolmaker's Tools
    olderdan,
    Thank you for the nice compliment! And also for recognizing the usefulness of the arbors!
    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

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    Supporting Member old_toolmaker's Avatar
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    old_toolmaker's Tools
    As I think more about these handy 8 mm arbors I can come up with all kinds of useful accessories that can be made to fit my spindle. Slitting saw arbors, small 1/4”drill chuck arbors, square collets, hex collets, etc. The list goes on and on.


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    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

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