Electric Wool Winder by ChPech 3d model
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Electric Wool Winder by ChPech

Electric Wool Winder by ChPech

by Thingiverse
Last crawled date: 4 years ago
This is an electric wool winder driven by a brushless DC motor, controlled by an arduino. A rotary encoder sets the speed and the display shows it and the number of revolutions made. Clicking the encoder stops is and long-press resets number of revolutions.
https://www.youtube.com/watch?v=3ckNA-i4zH4
Parts List:
2x Ball Bearing 30x42x7 (6806RZ)
1x Ball Bearing 17x30x7 (6903RZ)
1x KY-040 Rotary Encoder
1x Arduino Nano/Micro/Mini
1x Yarn Tensioner ( https://www.aliexpress.com/item/Industrial-Sewing-Machine-Parts-computer-Fangde-9000-lockstitch-sewing-machine-gripper-thread-tension/32289328802.html )
1x OLED 128x64 ( https://www.aliexpress.com/item/1pcs-0-96-yellow-blue-0-96-inch-OLED-module-New-128X64-OLED-LCD-LED-Display/32641067048.html )
1x BLDC 57BLF01 ( https://www.aliexpress.com/item/57BLF01-Brushless-DC-Motor-63W-24V-3000RPM-Nema-23-0-6N-m-Peak-CNC-Router-LONGS/32638118697.html )
1x BLDC Driver ( https://www.aliexpress.com/item/Motor-Controller-DC-Car-Driver-Board-12V-36V-500W-Brushless-Motor-Controller-Hall-Motor-Balanced-Car/32734523707.html )
1x Power Supply 12V 3A + female connector
2x 10k Pulldown Resistors (can be omitted, just a failsafe)
1x DC-DC 12V->5v (only needed if using arduino without 12V->5V)
Some M4, M5 and M6 crews, nuts and washers
Source Code: https://github.com/ChristophPech/Woolwinder
I printed everything with PETG and thick layers without support, the gears might be quieter if printed in nylon.
Since I didn't make clear assembly instructions here is a larger cross section image which shows how parts fit together: https://i.imgur.com/F7jJ70O.png

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