How To Make A Brushless DC Motor | DIY BLDC Motor

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Hello everyone in this video I will show you how to make a DIY 3D printed brushless motor or BLDC motor, I show you how I designed the mototor and every important steps how I assembled the motor, winding the stator in star configuration or wye of the 3 phase coils, making the shaft and so on, it was a fun project and also I learned a lot of things along the way, and I hope you will learn it to if you decide to build it too.
Project Files: drive.google.com/drive/folder...
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Опубликовано:

11 май 2024

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Комментарии : 20

@D2CreativeDIY 2 месяца назад

good job, bro!!

@miki9516 2 месяца назад

One of the best and smallest 3D motor i've seen. Back in the day flite test received a 3D printed motor but much bigger and after some pull it burn out. Hope to see some testing from you

@mb-bq1mi Месяц назад

what were your sources about learning all of this? i was wondering stuff like how you decided on the number and size of each magnet, number of turns of copper per slots etc...

@MAHESH-zu9ic Месяц назад

Sir I have one doubt about the rotor in this type of bldc motor.that as the rotor is rotating at very high speed does by any chance it will ever come out of stator because it is open from below.please tell because I'm very confused.

@HMProjects Месяц назад

There is no chance that the rotor will come out from stator, the shaft has a safety washer that will hold the rotor from coming out 3:15 , in fact there are more chances that the rotor at very high speed will break due to centrifugal forces.

@Mau_DelS 2 месяца назад

most of the factory brushless motor nowadays has 14 magnet more closely eachother so it may be the case why your need a little push to start. you may want to try printing one that way it should improve it, very nice project!

@HMProjects 2 месяца назад

Yes the magnets spacing may be a reason that the motor it doesn't self start, and another reason can be the combination between pole/slot, maybe with 14 pole and 12 slot as you said it will perform better, but the main reason is that it's lacks the laminated steel stator, I could use a stator from an old brushless motor but then wouldn't be "fully" 3D printed motor. Probably I try to improve this motor even if it doesn't have a practical use. Thanks for your comment!

@vijayanand8818 Месяц назад

the motor was really good 😍. I want to prepare like that can I get the calculations for that sir?

@HMProjects Месяц назад

All you need is in the link in the description, I forgot to mention that the magnets have a size of 10x5x2 mm.

@ericon.7015 2 месяца назад

very nice I really liked your project. I was wondering a evolution of your motor: instead of glueing the magnets make a slight shorter in height stator, then in the rotor you could use the extra length to have a small cavity, in top and another on the bottom where it holds a small portion at the top and the bottom of each magnet. So you will keep them in place mechanically. It will save time gluing each one of the magnets and also your fingers 😅

@HMProjects 2 месяца назад

I would not risk to run the motor at high rpm without gluing the magnets, unless I want to see how hard those magnets hit something 😄.

@hasithamihiranga799 2 месяца назад

good

@HMProjects 2 месяца назад

Thanks!

@adrasx6999 2 месяца назад

I like you're motor, it can't wait to disintegrate, yet it purrs like a cat :)

@HMProjects 2 месяца назад

I already mentioned in the video how dangerous it is to run it at high rpm, in the video I run at half of the speed or less. thanks for your comment!

@rocketboyjv5474 2 месяца назад

But what torque?

@HMProjects 2 месяца назад

Not sure, I didn't make the calculation.

@The_Privateer 2 месяца назад

Electric motors generate heat, especially under load. Not to mention very high centrifugal forces when running at high RPM. I guess you dont realize the the majority of the magnetic force generated by the stator coils is due to them being wound around (laminated) steel cores. Not non-ferrous plastic. That being said, why would you even bother with plastic (3D printed, no less) as the construction material? This motor has the usefulness and durability of... well... a desk paperweight.

@miki9516 2 месяца назад

To answer. Why not?

@HMProjects 2 месяца назад

I know how electric motor works, I already mentioned in the video that the lack of the laminated steel core will affect the motor performance and of coarse how dangerous it is to run this motor at high rpm, being 3D printed this motor has no practical use, is only for educational purposes you shouldn't have much expectations from it.