How to Determine the Motor Size for Your Project?

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In this lesson, we will continue the discussion on the topic of motion control. All of us at RealPars, hope you have been following our previous lessons on motion control and have begun to benefit from these lessons.
Now you will apply your base knowledge of Servo and Stepper motors in this lesson towards how to determine the correct Servo Motor for your application.
In this lesson, you will learn the information required to help you size the motor based on payload, speed, acceleration and other requirements necessary for the desired application.
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You can check out the formulas for calculating rotational inertia of various shapes here:
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You can download the "Motor Sizing Software" we are using in this video, here:
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Опубликовано:

27 сен 2024

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Комментарии : 151

@mintupal5616 5 лет назад

Sir , would make video on how to determine motor size for Belt conveyor (induction motor ) . Or any other type of application on induction motor

@realpars 5 лет назад

Hi there, I will pass your request on to our creator team.

@mintupal5616 5 лет назад

@@realpars thanks a lot

@jacksonest93 5 лет назад

Id love to see this too! Thanks

@standforjustice8799 Год назад

I can't but appreciate the effort you people are putting 😊.

@realpars Год назад

Thank you very much!

@paulaao 2 года назад

i like how people like to complicate simple things with Engineering terms, if they just talk plain simple as we used to speak when we were kids this explanations would be alot better

@DevD1111 5 лет назад

Thanks RealPars team for this video.

@realpars 5 лет назад

You're very welcome!

@DevD1111 5 лет назад

@@realpars please make video series on PID.

@vincentmasanja789 5 лет назад

Thank you for your training.

@realpars 5 лет назад

You're very welcome!

@vincentmasanja789 5 лет назад

Thanks.

@jonathanmoore2655 3 года назад

Nice video, but I didn't see an explanation for what the 'e' value is (distance from axis of rotation to G) Perhaps G is the centroid of the arm?

@realpars 3 года назад

Yes; e' is the distance from the axis of rotation (horizontal) to the centroid of the rotating arm.

@rohankamble808 3 года назад

@@realpars what if e=0 ..the shaft is at the centroid will it work?

@kittiesletsgo 2 года назад

Good day, I want to cut a 4" PVP pipe. May I ask the process/computations in order to know what is the right size of motor for it? Direct cutting from motor to blade to pipe.

@realpars 2 года назад

I assume you meant 4" PVC pipe. I cut PVC pipe with my 1/2 Hp reciprocating saw without issue.

@kittiesletsgo 2 года назад

sorry for the mistake. Yes, do you have a video or link in computing for finding the right motor in order to cut it? Like the steps in determining that you have chosen a right motor for it.

@asvenesharma8777 4 года назад

Nice and very clearly explained video...Keep it up👍

@realpars 4 года назад

Happy to hear that, Asvene! Thank you!

@llewellynpatrick160 4 года назад

Excellent. This was really easy to follow and should allow me to spec the right motor for the project I'm working on. Many thanks. Subs +1.

@realpars 4 года назад

Great to hear that! Thanks for sharing your positive feedback with us!

@philosofish9967 Год назад

Phenomenal video!

@realpars Год назад

Thank you!

@javierferrer4634 5 лет назад

Thank you for this video! It's very nice.

@realpars 5 лет назад

Thank you Javier!

@luiggitello8546 3 года назад

Any recommendations on servomotor brands? I'm in south America and Allen Bradley and Beckhoff are way over budget

@wgastreich 3 года назад

The market may have changed because of COVID-19. Depending on your application, size and package types will vary with manufacturers as you may already know. Also, you may want to consider stepper motors and watch the RealPars video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VfqYN1eG9Zk.html, to help you make the correct choice. Here are few manufacturers to consider, that indicates they have support in S. Africa, (I do not endorse any of the following companies, however, they have been in the industry, worldwide, for many years): Kollmorgen: www.kollmorgen.com/en-us/where-to-buy/ Omron: industrial.omron.co.za/en/products/servo-systems Oriental Motors (support form Europe): www.orientalmotor.com/company/global-support.html

@Vikk009 6 месяцев назад

Great job 👍

@realpars 6 месяцев назад

Thank you very much!

@kennellcrash 4 года назад

fantastic video

@realpars 4 года назад

Thank you!

@ammarazizulraheem5673 4 года назад

This, was very useful...thank you.

@realpars 4 года назад

That's amazing to hear, thanks for sharing!

@brgsworld1851 2 года назад

Sir, please provide a video to how to select 3 phase induction motor to particular load, with manual calculations..

@realpars 2 года назад

Thanks for your topic suggestion, I will happily go ahead and pass this on to our course developers.

@brgsworld1851 2 года назад

@@realpars thank you so much sir...

@MrPromerican 4 года назад

Love it...thank u

@realpars 4 года назад

You are welcome!

@kennyw7453 5 лет назад

Good topic and as usual great job.

@realpars 5 лет назад

Thanks a lot, Kenny! Happy learning!

@RaineyRetro Год назад

Much appreciated!

@realpars Год назад

You're very welcome!

@saikrishnadittakavi6269 4 года назад

Hello there! Thank you for your nice presentation and explanation. I would like to know how I can use a stepper motor with a lead screw in pushing a mass of 10kg linearly. I mean the coupler and all the equipment with necessary equations I need to come up with. Please help. Thanks.

@realpars 4 года назад

Hi Sai! Thanks for your comment and your suggestion. I will pass this on to our course developers! Thanks for sharing and happy learning!

@deniskalugin7984 2 года назад

Hello, dear RealPars! Thank you a lot for very informative and useful videos. Subsribed long time ago. I am going to start a project where servo-motor is supposed to be used to drive gear pump. Would be thankful for any advice how to select a proper servo-motor for this purpose.

@albarqak Месяц назад

❤ thanks a lot

@realpars Месяц назад

Our pleasure!

@hamidfazli5184 3 года назад

Hi Mate, I am going to carry a steel pallet (overall weight of 700 kg) over rollers with 2 stepper motors on each sides, do you reckon "Nema 42 CNC Stepper Motor Bipolar 30Nm" is enough for this application?

@realpars 3 года назад

It will likely be sufficient. If 30Nm is the torque developed, this will likely work with a 1500 RPM motor. The duty should be rated then for 6.5 amps or greater. Even though you have four motors, I would still calculate based on the unlikely event of one motor on each side failing.

@rhythmandacoustics 5 лет назад

Excellent!!!!!!

@realpars 5 лет назад

Thanks a lot!

@eugeneulnagan1109 4 года назад

Kindly add an english subtittle for your video.. So that its more clear to understand.thankyou

@realpars 4 года назад

Hi Eugene, Thanks for your comment! You can turn on the English subtitles by clicking on the CC bottom on the right side of the video. Hope this helps, happy learning!

@sti302man 5 лет назад

Thank you very much.

@artigeniusStore Год назад

thanks Sir

@mohammedamin350 2 года назад

Thanks very much ...🌺🌺🌺🌺🌺

@realpars 2 года назад

Most welcome!

@tamerfahmy6572 5 лет назад

Could you please also mention where can I download this software for motor sizing?

@realpars 5 лет назад

You can download the "Motor Sizing Software" we are using in this video, here: bit.ly/2DlK8E2

@meghrajsingh3067 Год назад

Sir could you make me understand.if we are using 2 motors and each have 155kw capacity so what will be the sum of both motors power. It will be 310 KW or anything else 🤔

@realpars Год назад

What are you trying to do? Connect two motors in series? In parallel? AC or DC? Or do you want to connect two pumps with independent motors in series? Parallel? Add some context, since the answer is different in each case. For starters, you would not electrically connect 2 AC motors in series for any reason. Each will run at reduced voltage and ultimately overheat without producing any more useful work than a single motor.

@moussatraore3903 4 года назад

awesome job really helpful ! so is the software motor sizing still working ?

@realpars 4 года назад

Yes! Although more recent versions of the software have been released (as more motor models are supported, the physics behind servo motor control remains the same. For the same load, torque and other parameters are still important and are calculated in the same way.

@moussatraore3903 4 года назад

@@realpars yes i download the setup from orientalmotor's website but after complet installation error occurs when i try to open the software... any help ?

@علیرضاغلامنژاد-ق2ك 2 месяца назад

that s great ,god bless you , send link for downloads software .

@realpars 2 месяца назад

Thank you very much! You can download the "Motor Sizing Software" we are using in this video, here: bit.ly/2DlK8E2

@ankitagarwal2222 5 лет назад

Which animation software do you use to make such good animated videos...

@realpars 5 лет назад

Hi there, we use Adobe Premiere Software for our videos.

@csmyfavoritecompany1213 Год назад

How do you guys make drawing for this video what software?

@realpars Год назад

Thanks for your comment! I am actually not sure about that as our courses are created by our Graphic and Animation department.

@shubhampawar496 5 лет назад

Please provide us basic PLC program for ac servo motor....

@realpars 5 лет назад

Hi there, on our platform we have a whole free course on PLC programming. realpars.vhx.tv/browse Happy learning!

@drutrajbhise4560 4 года назад

Sir, u have given very useful training.

@realpars 4 года назад

You are very welcome!

@MrRsmoney 4 года назад

i want to spin a 55 gallon drum about 30 rpm any recommendation on what kind of motor i should use. ( would prefer to be able to plug in to the home outlet)

@2loco 3 года назад

Windmil

@wgastreich 3 года назад

James its best to use a sizing software from any of the servo motor companies online.

@josecastellanos8890 5 лет назад

Thanks!! Perfecto btw

@realpars 5 лет назад

Thank you!

@majedhejazi7249 3 года назад

Helpful.

@realpars 3 года назад

Glad it was helpful, Majed!

@andrewmackay8063 5 лет назад

Can you provide similar advice on using a dc motor? If not can you direct me to an expert who could thanks.

@realpars 5 лет назад

Hi Andrew, I will ask our creator team to add this topic to our list, thanks for the suggestion! Happy learning!

@ricardogarcia3900 4 года назад

Excelent !!!

@ashtube5568 5 лет назад

sir can you make a pdf of this information??

@realpars 5 лет назад

Hi there, Unfortunately, we do not do that. All our courses are in video format, that way it is easy to understand and follow for anyone :). Happy learning!

@wailrimouche1171 5 лет назад

Is this a mechanical or electrical engineer's job to figure this out?

@realpars 5 лет назад

Normally, an electrical engineer will determine the size and configuration (HP, voltage, FLA, frame size, grounding, etc.) of a motor, and mechanical engineers will be responsible for the mounting base, supports, and shaft alignment of the motor.

@wailrimouche1171 5 лет назад

@@realpars Well thanks for your help. guess this does fall within my responsibility to learn about.

@realpars 5 лет назад

You are very welcome, Wail!

@sagarsawant5642 3 года назад

👍🙏

@ayeshkodikara5093 3 года назад

you guys deserve a comment for every view. no one will leave the video without learning at least something. please keep doing this good job.

@realpars 3 года назад

Thanks a lot, Ayesh!

@marcelgrgic2920 3 года назад

When I open the software, I get the error: " invalid conversion of the string"7.9" in typ single" " I tried to repair it but it didn't work

@realpars 3 года назад

This appears to be a software error caused by an issue with the specific browser you are using or the absence of some software component that was not loaded correctly. I am not sure exactly what software or version you are using, but I would contact the software vendor via their support website.

@naweldouma2587 3 года назад

Hey Marcel, did u fix it

@L_Maki_Da_Engineer 3 года назад

A very detailed and informative video, thank you.. I love your channel, it's so convenient for the project im currently working on. Can you please help me with the name of the software you used for calculations.

@realpars 3 года назад

I am not sure of the specific software used in this video, but there are several out there that can be used. Just search for "software for sizing servo motor" in your browser. A couple that are useful: www.orientalmotor.com/motor-sizing/index.html; www.jvl.dk/713/motorsizer

@chemeng-industrialacademy 3 года назад

Such a comprehensive and massive detail, I have never seen before thanks a lot.

@realpars 3 года назад

Glad you liked it!

@ashashwat5108 4 года назад

Great Information I have been searching for this for a while now...

@realpars 4 года назад

Great to hear that you have found it! Happy learning!

@rebalsaffarini7230 5 лет назад

I want to ask you can you upload courses about Siemens DCS SPPA-T3000 ? thanks

@realpars 5 лет назад

Hi there, I will ask our creator team.

@rebalsaffarini7230 5 лет назад

@@realpars thanks Because I find it very important in industrial automation especially in power plant field

@ProjektKlover 4 года назад

How do I download this software in my country? When I go to theirs website and register only a handful of countries are available.

@realpars 4 года назад

Hi Simon, Thanks for your message and my apologies for the confusion! RealPars is available in almost all countries worldwide - feel free to email us at hello@realpars.com and we will happily further assist you with your registration.

@MM-vi9kh 3 года назад

Can I lift 10kg weight by using 48 DC volt motor? If yes, how much torque and power I need for that?

@realpars 3 года назад

Power = force x velocity = Mass x g x velocity. If you want to lift the weight at a rate of 0.1m/sec, then a 10kg weight will require P = 10 x 9.81 x 0.1 = 9.8W, not accounting for friction or other losses. Assume losses are 50%, so your motor will need to deliver about 20W of power. Torque will depend on the way you are lifting the object: screw jack, ball screw, rope and pulley, etc., so it will depend on screw pitch, orientation (lifting vs. levering), pulley diameter, etc. A 48VDC motor will do the trick provided it can deliver the required power at the required torque to lift the mass.

@MM-vi9kh 3 года назад

@@realpars thanks a lot RealPars 😍🌹

@ozkanhizaroglu6860 3 года назад

This is an amazing video. Thank you so much. and I start to follow you

@realpars 3 года назад

Awesome, thank you!

@tamerfahmy6572 5 лет назад

how to configure Absolute encoder in PLC and if encoder is replaced then do I need to reconfigure?also, will the length of connecting cable have any effect on configuration?

@realpars 5 лет назад

Encoders are configured in a PLC in many ways. The best way is to use a separate servo motor controller, as shown in the video. The configuration of the encoder is handled as part of the servo controller setup. Absolute encoders typically send voltage signals in a serial data stream via a protocol called SSI. Siemens makes an SSI encoder interface card (6FX3002-2DB30-1BF0) that is not very expensive. The card can be configured to meet the specific resolution and parameters required by your encoder. Some encoders come with a more advanced interface, such as ProfiNet, so they can be directly added to your hardware configuration and configured using special OB blocks developed for interface to the device. If you swap out encoders later on, no additional configuration is required as long as it has the same interface, resolution, signal frequency and voltage level. Otherwise, it may require changing some of the parameters in the encoder interface. If the encoder has a serial (SSI) interface, then cable length is only an issue once you approach about 16m (50 feet).

@tamerfahmy6572 5 лет назад

ThanksActually the encoder being used is yes an SSI-P for PROFIBUS (10-30 Volts) and comes in 2 models, one to be used with 10m cable (33FT) and the other model used with 30m (90 Ft) cable.so my question here is; if by accident they where swapped as encoder; 10 meter model used with 30 meter cable and the 30 meter cable was used with the 10 meter cable what would be corrective action to be done at the resistance terminator or at the PROFIBUS?

@rukhsarkhan1065 Год назад

which software is this on which u are calculating size of motor?

@realpars Год назад

Hi there, Thank you for your question! This video was created four years ago with Omron drives. Not sure what version was used, but I am sure it’s been updated. Therefore, I can’t be sure which software version was used. But you can go to their website and find the drives product line. Companies that make drives provide the software too at a cost. However, you might find some free ones with limited usage. You can check any major motor manufacturers line like Siemens and others. Hope this helps!

@vasiqshair 5 лет назад

Perfect timing. I was just talking to tech support of a servo company today to spec out a motor. Thanks.

@realpars 5 лет назад

Great! Happy to hear.

@h7opolo 2 года назад

3:52 wrong, the more ENERGY will be needed. energy is force multiplied by distance, so counter-force does not necessarily need to change to counter the change in mass; the distance of travel could be the factor that changes, and most likely would be the variable since friction (the main counter-force) usually remains constant.

@realpars 2 года назад

When two objects interact (puck and ice), each one exerts a force on the other that can cause energy to be transferred to or from the object. The puck exerts a force of mass x gravity on the ice, and the ice exerts a frictional force (albeit relatively small) on the puck. And you are correct, it is the transfer of energy that causes the puck to eventually stop.