29 Years Factory big 5-bar Aluminum Tread Plate to Poland Importers
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I’ve made a ton of fidget spinners with my 3D printer, but I decided it was time to make a metal one on the mill. This video shows the fixtures and milling operations to make an aluminum tri-lobe fidget spinner frame.
Tools used in this project:
1/4″ YG-1 Alu-Power 3-flute Carbide End Mill: http://amzn.to/2sd2AbR (Amazon) https://goo.gl/v9RmWd (eBay)
1/2″ YG-1 HSS 90 degree Spotting Drill (for chamfering): http://amzn.to/2sivxnt (Amazon) https://goo.gl/Sx4DQi (eBay)
C3/4 ER20A Indexed Collet Holders: https://goo.gl/oC373v (eBay)
Noga Mini-Cool: http://amzn.to/2taSQMt (Amazon) https://goo.gl/SQPvmV (eBay)
Shars 440V Milling Vise: https://goo.gl/r4ts22 (eBay)
HHIP Vise Stop: http://amzn.to/2sScL3p (Amazon)
KL-5056D Digital Stepper Drivers: https://goo.gl/xr0vIl (eBay)
AnTek 800W 48VDC Power Supply: https://goo.gl/Lp66TU
NEMA 24 Stepper Motors: https://goo.gl/drQlDD (eBay)
C7 Double-Nut Ballscrews: https://goo.gl/NAtY32 (linearmotionbearings eBay store)
Ethernet SmoothStepper Motion Controller: https://goo.gl/s6Y3uT (eBay)
MACH3: https://goo.gl/FCqpL4 (eBay)
When you click on these links and make a purchase, it can result in commissions from eBay and Amazon that help support this channel.
“District Four” Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
Using a ‘D’ shaped cutter mounted in the chuck of an X25 Mill Drill with the spindle locked to plane round holes square. The aluminium part is mounted on a digitally indexed rotary table.
The flat on th ‘D’ is to the right. The half round section starts up against the left hand side of the hole. The table move to the left, initially, the cutter planes on the corner transision between the half round section and the flat of the ‘D’ As the displacement approaches half the width of the hole more of the cutting is done on the flat. At a displacement of half the hole diameter the whole of the flat makes a cut completing one flat. The cutter is withdraw and the piece rotated 180 degrees and the opposite flat is cut. The piece is rotated 90 deg and a finishing cut is made to the third flat. The piece is then rotated 180 and the last flat is finished. Using the 180 degree rotation step means that the last two operations just remove the ragged cuts caused by cutting on the transision edge as the cutter moves a few thou. between each planing operation.