Dirk 3D Printed Electric Motor BOM: Difference between revisions

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* 3 phase no feedback Controller - 12V 30A - [https://www.ebay.com/i/362671207620?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=362671207620&targetid=917185845248&device=c&mktype=pla&googleloc=9023315&poi=&campaignid=10459841973&mkgroupid=104612009900&rlsatarget=pla-917185845248&abcId=2146002&merchantid=137736463&gclid=EAIaIQobChMIiab0r7X66gIVzZ6zCh2hawOYEAQYAyABEgL6tfD_BwE]
* 3 phase no feedback Controller - 12V 30A - [https://www.ebay.com/i/362671207620?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=362671207620&targetid=917185845248&device=c&mktype=pla&googleloc=9023315&poi=&campaignid=10459841973&mkgroupid=104612009900&rlsatarget=pla-917185845248&abcId=2146002&merchantid=137736463&gclid=EAIaIQobChMIiab0r7X66gIVzZ6zCh2hawOYEAQYAyABEgL6tfD_BwE] $6.42 + $2.30 Shipping
**US $17 - [https://www.amazon.com/RC-Brushless-Electric-Controller-bullet/dp/B071GRSFBD/ref=pd_sim_b2b_2/136-7884747-3436123?_encoding=UTF8&pd_rd_i=B071GRSFBD&pd_rd_r=f6f6a4ff-4837-45fa-a525-b30f86465d6f&pd_rd_w=h0l5I&pd_rd_wg=hRY46&pf_rd_p=a07701e4-f565-442a-b97f-93ab23cbb7ef&pf_rd_r=JJBC165G4T776GEWF4AW&psc=1&refRID=JJBC165G4T776GEWF4AW]
**US $16 - [https://www.amazon.com/Qianson-3-phase-Brushless-Control-Controller/dp/B01IEHX12E]
* Fidget Spinner Bearings (22mm total diameter, 8mm bore and 7mm width)
* Fidget Spinner Bearings (22mm total diameter, 8mm bore and 7mm width)
* 8 Disc magnets per rotor (8 mm thickness, 20mm diameter) [https://www.aliexpress.com/item/32797367574.html?spm=a2g0s.12269583.0.0.23ca74d74jPZDB]
**[https://www.amazon.com/Pack-608-2RS-Ball-Bearing-Skateboards/dp/B07C6FL8TW/ref=lp_16411051_1_3?s=industrial&ie=UTF8&qid=1596637217&sr=1-3 Amazon Source ~10 USD for 20; ~0.50 USD per bearing]
* 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/]
**20 cents each - [https://www.amazon.com/608-2RS-Skateboard-Bearing-Rolling-bearings/dp/B073ST742Z/ref=asc_df_B073ST742Z/?tag=hyprod-20&linkCode=df0&hvadid=243905197353&hvpos=&hvnetw=g&hvrand=2550611437824702121&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-458119845268&psc=1]
* 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]
* 8 Disc magnets per rotor (8 mm thickness, 20mm diameter) [https://www.aliexpress.com/item/32797367574.html?spm=a2g0s.12269583.0.0.23ca74d74jPZDB 26.42 USD for 20]. Much more for USA source - $3 each - so $24/motor. [https://appliedmagnets.com/neodymium-magnets-3-4-in-x-3-8-in-rare-earth-disc-p-689.html]
**Ebay - around $2 equivalent - [https://www.ebay.com/itm/Lot-50-100-Pcs-Round-Disc-Block-Magnets-Cylinder-Rare-Earth-Neodymium-N52-N48/192608399976?hash=item2cd85af268:g:yV8AAOSwXclbV-yu&var=492744901667] or $16/motor
* 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.
* 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, $8 total
* Solder
* Solder
* Glue (the type that sticks)
* Glue
* 8 mm metal rod for an axle  
* 8 mm metal rod for an axle (offcuts from [[Universal Axis]] are great for this). Or [https://www.amazon.com/uxcell-Lathe-Round-Solid-Length/dp/B07KY8858F/ref=sr_1_14?dchild=1&keywords=8mm+rod&qid=1599341580&sr=8-14]
* 3d printing filament
* 3d printing filament (kg estimate, also infill needed). See [[3D Printing Filament]]
* a little bit of epoxy to glue the magnets in place
* a little bit of epoxy to glue the magnets in place [https://www.reichelt.de/epoxykleber-epo-05-klar-farblos-5-minuten-25-ml-wiko-epo5-s25-p98449.html?PROVID=2788&gclid=EAIaIQobChMIppvr5Zj_6gIVSeJ3Ch2vIAwoEAQYBCABEgL2z_D_BwE&&r=1]
 
** $3.17 US - [https://www.amazon.com/PC-Products-70147-PC-Clear-Adhesive/dp/B008DZ19WC/ref=sr_1_9?_encoding=UTF8&c=ts&dchild=1&keywords=Epoxy+Adhesives&qid=1598199254&sr=8-9&ts_id=256244011]


=Links=
=Links=
*[[Dirk 3D Printed Electric Motor]]
*[[Dirk 3D Printed Electric Motor Build Instructions]]
*[[Dirk's Electric Motor]]

Latest revision as of 21:34, 5 September 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)
  • 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, $8 total
  • Solder
  • Glue
  • 8 mm metal rod for an axle (offcuts from Universal Axis are great for this). Or [9]
  • 3d printing filament (kg estimate, also infill needed). See 3D Printing Filament
  • a little bit of epoxy to glue the magnets in place [10]

Links

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