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500W Spindle Motor - Cooling Fan
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Two upgrades for the Chinese 500W milling machine spindle.
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- Creative Commons — Attribution
This is an upgrade for the standard cooling fan included with the 500W Spindle commonly used on small DIY CNC milling machines. It prints easily and needs no supports. There is an open and a closed version, depending on personal preferences.
The hole is a tight fit and you may need to ream the hole with an 8mm drill. I printed it in PETG, as the spindle does get warm in use and have had no isuues with over a hundred hours of use. You'll need a new C-clip, as getting the old one off without damaging it will take more luck than judgement.