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Fidget Spinner Project

Discussion in 'General Talk' started by MaryD, May 27, 2017.

?

Wanna see more projects like this?

  1. Yea

    4 vote(s)
    100.0%
  2. Nay

    0 vote(s)
    0.0%
  1. MaryD

    MaryD OpenBuilds Team
    Staff Member Moderator Builder

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    Sneak Peek from OpenBuilds new Project Maker Showcase...

    Cool project from @Sonny Lowe

    Makersl Brass Fidget


    Toys & Games item created by Sonny Lowe

    Project Details
    • Machine Time: ~9 Minutes
    • Bit or Laser Size: 1/8" Carbide 4 flute Flat End Mill .375" LOC
    • Feeds & Speeds: Spindle Speed setting #1 on Dewalt DWP611 (~16,000 RPM) Roughing was 0.75mm DOC 100% step-over at 500mm/min. Finishing was 4.83mm DOC (full thickness), material removed, .1mm at 200mm/min.
    • Materials: 360 Brass Flat Bar
    I designed this fidget months ago, it was based on an example I saw on Pinterest. It was designed in OnShape, programmed using Fusion 360 and exported to my Mini Mill via the Grbl Panel. I ran this on my Mini Mill in about 9 minutes using the tooling, and speeds & feeds as listed in the description. The machined surfaces came out pretty smooth, very similar to the OB Fidget, I did however decide to polish not only the top & bottom (like the OBF) but the sides & groves as well..."it's a beaut Clark" ;)

    I adjusted the bearing hole diameter on this one, reduced it to 15.8mm, undersized, so I could ream it to insure a proper fit...the finished machined size was 15.75 (not too shabby). I also decided to use tabs this times, although they function as advertised I'm still not a fan. It seems regardless of what material I'm machining or what speeds and feeds I'm using, there is always a small uncut at the points of retract and plunge. If anyone can tell me how to get rid of these I'd love to know!?!?

    Here are a couple photos and another short video...it's a bit better than the OB Fidget vid :p I'll also attach the step file in case anyone wants to give it a try, just remember to adjust the bearing hole size to your liking :cool:

    VIDEO

    Spinning VIDEO

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    I'll install the bearing and the Chicago Screw Set tomorrow, I'll post photos of the completed toy then...

    All done...spins great for it's size :D

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    Here's the Brass Fidget along with another one of my Fidgets, it's made from a Jockey Wheel off a mountain bike derailleur, that is wrapped with bike chain...

    24072-69049dc37c8464037c04bf935112024f.jpg
     
    #1 MaryD, May 27, 2017
    Last edited: Jun 2, 2017
    RSW, GrayUK and Grantman like this.

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