Dirk 3D Printed Electric Motor BOM: Difference between revisions
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* Copper wire (0,2 mm diameter max. definitely not more because you will get eddy current issues) [https://www.koper-draad.nl/product/koperlakdraad-02-mm-awg-32-lengte-1730-meter/] (Enameled copper wire ie [[Magnet Wire]] ) | * Copper wire (0,2 mm diameter max. definitely not more because you will get eddy current issues) [https://www.koper-draad.nl/product/koperlakdraad-02-mm-awg-32-lengte-1730-meter/] (Enameled copper wire ie [[Magnet Wire]] ) | ||
**Cost of $1-2 per motor using the $7 spools. | **Cost of $1-2 per motor using the $7 spools. | ||
* Bit of brass tubing (4 mm outer diameter) to connect the coil endings in. [https://www.amazon.com/uxcell-Length-Thickness-Seamless-Straight/dp/B07Z98QRY2/ref=pd_sbs_328_3/144-2438467-9742231?_encoding=UTF8&pd_rd_i=B07Z98QRY2&pd_rd_r=131ef2a6-97d9-47bf-9030-5819c63fb533&pd_rd_w=AX4BX&pd_rd_wg=Tsszv&pf_rd_p=0b2db3d1-33eb-418a-9672-bb9bd54808e8&pf_rd_r=CCJ76XD911T2D8NXTAG1&psc=1&refRID=CCJ76XD911T2D8NXTAG1]. $ | * Bit of brass tubing (4 mm outer diameter) to connect the coil endings in. [https://www.amazon.com/uxcell-Length-Thickness-Seamless-Straight/dp/B07Z98QRY2/ref=pd_sbs_328_3/144-2438467-9742231?_encoding=UTF8&pd_rd_i=B07Z98QRY2&pd_rd_r=131ef2a6-97d9-47bf-9030-5819c63fb533&pd_rd_w=AX4BX&pd_rd_wg=Tsszv&pf_rd_p=0b2db3d1-33eb-418a-9672-bb9bd54808e8&pf_rd_r=CCJ76XD911T2D8NXTAG1&psc=1&refRID=CCJ76XD911T2D8NXTAG1]. $1 per motor. | ||
* Solder | * Solder | ||
* Glue (the type that sticks) | * Glue (the type that sticks) | ||
Revision as of 16:50, 23 August 2020
- 3 phase no feedback Controller - 12V 30A - [1] $6.42 + $2.30 Shipping
- Fidget Spinner Bearings (22mm total diameter, 8mm bore and 7mm width)
- Amazon Source ~10 USD for 20; ~0.50 USD per bearing
- 20 cents each - [4]
- 8 Disc magnets per rotor (8 mm thickness, 20mm diameter) 26.42 USD for 20. Much more for USA source - $3 each - so $24/motor. [5]
- Ebay - around $2 equivalent - [6] or $16/motor
- Copper wire (0,2 mm diameter max. definitely not more because you will get eddy current issues) [7] (Enameled copper wire ie Magnet Wire )
- Cost of $1-2 per motor using the $7 spools.
- Bit of brass tubing (4 mm outer diameter) to connect the coil endings in. [8]. $1 per motor.
- Solder
- Glue (the type that sticks)
- 8 mm metal rod for an axle (offcuts from universal axis are great for this)
- 3d printing filament (kg estimate, also infill needed)
- a little bit of epoxy to glue the magnets in place [9]
- $3.17 US - [10]