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Thread: Rotary table

  1. #1

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    athomp's Tools

    Rotary table

    I wanted a rotary table for my mill but didn't want to have to pay big money for a decent sized one so I made my own 11" table. It's made out of 1/2" plate, 2 brake rotors and a ring gear off a lawnmower engine. I turned a spindle on the lathe and welded it to the bottom plate. A brake rotor is mounted on the spindle. Another brake rotor with the hub cut out is mounted upside down on the lower one. The ring gear is riveted to a piece of 16 gauge sheet metal and sandwiched between the two rotors. I made a worm gear on the lathe. Two thumb screws adjust the worm gear against the ring gear to eliminate backlash. There is a bolt on either side that can be screwed in against the lower brake rotor to lock the table in place. The gear ratio is a bit odd at 97:1. The whole thing weighs 123 lbs.
    Rotary table-image.jpgRotary table-image.jpgRotary table-image.jpgRotary table-image.jpgRotary table-image.jpg
    Last edited by athomp; 01-09-2018 at 06:45 PM.

  2. The Following 14 Users Say Thank You to athomp For This Useful Post:

    almarghi (09-22-2018), blkadder (05-17-2018), Captainleeward (01-12-2018), Gary A. Wills (01-13-2018), jlrice54 (05-17-2018), KustomsbyKent (05-17-2018), mwmkravchenko (05-17-2018), Neil Jensen (01-10-2018), NortonDommi (01-11-2018), Paul Jones (01-12-2018), Seedtick (01-11-2018), sossol (01-10-2018), thehomeengineer (01-10-2018), Toolmaker51 (05-19-2018)

  3. #2
    Content Editor DIYer's Avatar
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    Thanks athomp! We've added your Rotary Table to our Machining category,
    as well as to your builder page: athomp's Homemade Tools. Your receipt:




  4. #3

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    Nice job! How did you mark the rotary table tick marks with..out...a ......rotary.........table?

  5. #4

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    athomp's Tools
    Quote Originally Posted by mudnducs View Post
    Nice job! How did you mark the rotary table tick marks with..out...a ......rotary.........table?
    Thanks.
    I printed out a 11" degree wheel off the Internet and glued it to the bottom of the table and then used a punch set to make the degree marks.

  6. #5
    NortonDommi's Avatar
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    Beautiful repurposing. Looks like it could take a good load.

  7. #6
    blkadder's Avatar
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    I like this a lot. I have been curious about how to go about making one of these.
    ...Semper Fidelis...

  8. #7
    Toolmaker51's Avatar
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    Sorry to have missed this first time around. Great job on a big project, not to mention effective design incorporating unmatched components. Have to mention rotary tables/ indexers are my first line answer to tricky contours and spacing.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  9. #8
    Radioman's Avatar
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    Radioman's Tools
    Nice work. Would love to see some of the worm gear turning? Also how you got the lawn mower ring gear mounted and in mesh with the home built worm?


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