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Thread: Rotary Tumbler for De-burring and Polishing Metal Parts

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    Max Maker's Tools

    Rotary Tumbler for De-burring and Polishing Metal Parts

    I use a lot of laser cut parts and they always have a burr on the underside. So I made a rotary tumbler to finish a lot of parts simultaneously. The builder only took about half a day and is well worth it. Now when I take some parts of the CNC I can just throw them in there and not worry about de-burring anything.


    There is also a full Instructable in the description.

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

    Altair (06-09-2019), David Johnson (06-11-2019), high-side (06-13-2019), Jon (06-10-2019), Saltfever (06-16-2019), Toolmaker51 (06-16-2019)

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    Thanks Max Maker! We've added your Rotary Tumbler to our Buffing and Polishing category,
    as well as to your builder page: Max Maker's Homemade Tools. Your receipt:




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    Quote Originally Posted by Max Maker View Post
    I use a lot of laser cut parts and they always have a burr on the underside. So I made a rotary tumbler to finish a lot of parts simultaneously. The builder only took about half a day and is well worth it. Now when I take some parts of the CNC I can just throw them in there and not worry about de-burring anything.


    There is also a full Instructable in the description.
    Why did you use a threaded rod and not just a solid rod for the drive?

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    Quote Originally Posted by oi789 View Post
    Why did you use a threaded rod and not just a solid rod for the drive?
    I had a friend that made small automotive parts that needed 'finishing'.
    His solution was a DIY drum type concrete mixer, the 1 bag type.
    He'd toss in some sand and tumble away.

  6. #5
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    Toolmaker51's Tools
    Tumbler works well, and granite is a good substitute for commercial ceramic media. That it produces a good surface texture is equal or better proof than deburring corners.
    I have one suggestion; one to three helical fins inside will increase the 'agitation' and reduce processing time. Rivets and silicone sealant will do the trick.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    This is something that I have always wanted.Maybe one day I will build one?


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