Vibrator Motor

Vibrator Motor

By randofo

in Circuits Robots

About: My name is Randy and I am a Community Manager in these here parts. In a previous life I had founded and run the Instructables Design Studio (RIP) @ Autodesk's Pier 9 Technology Center.
I'm also the author of …

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A vibrating motor is essentially a motor that is improperly balanced. In other words, there is an off-centered weight attached to the motor's rotational shaft that causes the motor to wobble. The amount of wobble can be changed by the amount of weight that you attach, the weight's distance from the shaft, and the speed at which the motor spins.
This type of motor can be used affixed to all kinds of objects, which will cause them to vibrate and move freely about. This is a quick and dirty way to get a Simple Bot to move about, but not exactly the most elegant.
Vibrating motors can be found inside cell phones, pagers, gaming controllers, and personal massagers.
In absence of those, you can easily build your own vibrating motor by attaching any off centered weight to any motor shaft. They can also be created by breaking in half balanced components already attached to motor shafts.
A great source for vibrating motors is inside gaming controllers with "rumble" or "vibration" feedback.
Simply take apart the gaming controller and free the motors. They should be ready to use.
(Note that some of the links on this page are affiliate links. This does not change the cost of the item for you. I reinvest whatever proceeds I receive into making new projects. If you would like any suggestions for alternative suppliers, please let me know.)
A quick and dirty way to make a vibrating motor without any extra parts is to take a computer fan and snap off half of the fan blades with a pair of pliers. This will make the fan off-balanced and vibrate.

Another simple way to make a vibrating motor is to stick a pencil eraser (or cork) onto the shaft of any standard DC motor .
If you would like to get fancier about making a vibrating motor, you can clamp a terminal strip to the shaft of a DC motor . The terminal strip itself will be enough to make the motor vibrate. However, to experiment with adding more off-centered weight to your setup, you can clamp small items like bolts into the terminals on the strip.
If you want to get fancy about doing this, you can add an alligator clip .
Find a motor with a plastic nylon gear . Clamp an alligator clip onto this gear. Finally, solder the alligator clip's halves together. This will both melt the alligator clip into the gear and fuse the two halves to prevent it from opening again.
This is now a vibrating motor with a firmly attached off-center weight.

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Question

2 years ago

I am new to Instructables and was hoping for some help. I have been reading through many posts and projects to find what I need, but still need help. I am trying to build a vibrating remote controlled collar to signal to my deaf dog. I would like something very compact that has a small vibrating motor in it that also works at a small distance, not more than 50 yards or so. I only need one setting, two would be great if possible. I just want a small transmitter, (size of a garage door opener) with a single or two buttons to produce a small vibration, and maybe a more intense vibration, to get the dogs attention when he is not looking at me. From there, he is trained to visual hand signals. Any help on how to build this, and build it as LEAST bulky as possible? I have seen a few instructables I am trying to piece together, but I am not an electronics person, have done a few projects like building an egg incubator...So far I know I need a transmitter and a reciever, a power source, which I was hoping could be smaller than a 9volt battery, and a small vibrating motor, possibly the minidisc or bullet type that runs of 3V? Not sure if that would even be strong enough, but my dog is pretty sensitve. I am not opposed to spending a little money, as the dog collars on the market are either cheap garbage for around $20 or good quality but have way more unnecessary features than I need and cost a whopping $200. Thank you very much!

Answer

2 years ago

Reply

1 year ago

Hi! I was browsing the internet and am looking to make something very similar to DaveB154. I clicked on the link for the answer to the forum but couldn't find the forum?
Question

3 years ago
on Step 1

Answer

3 years ago

With a battery or battery pack. You can learn more about motors here: https://www.instructables.com/lesson/Motors-and-Mo... You can see how I attach a battery pack to a vibrating motor here: https://www.instructables.com/id/Simple-Bots-Rolly...
i want to know if a controller that doesn't have vibration motors can have them added to it?

Reply

4 years ago

not with out spending the money the controller cost to replace the board and make it all compatible
Hi, I am looking at designing a piece of equipment that will reduce the vibration in a small scale RC Helicopter. For this I am looking to measure the phase of the helicopter and the dc motor I will be using as the shaker. To then ensure the motor is 180 degrees out of phase with the helicopter. The question I have is how will I design a circuit to utilise an optical sensor to collect phase information of the helicopter and then the dc motor? Thank you in advance for your input

Reply

4 years ago

This question has little to do with this project. My best guess is you will need an optical rotary encoder wheel attached to both of the motors to try to synchronize them.

Reply

4 years ago

My apoligies randofo. I was lookung toward using a shaker for my project hence why i posted this question. Thank you for your reply
One idea I have thought heavily about and how to design it is a vibrate motor where you can electrically set both the frequency (speed of motor) and also amplitude (vibrational weight/offset) somehow. A low frequency, how power speaker sent a signal is one way, but i keep thinking there would be a motorized way of somehow adjusting the weight/offset mechanically using some trick/gearing/magnet that I have not yet figured out. Keen if anyone else can\has!

7 years ago
on Introduction
Great instructable! Thank you. I do have a question - what is the object on the shaft of the dc motor all the way on the right?

Reply

7 years ago
on Introduction
That is a commercial vibrating motor with a weight on it. You can get motors like that from aliexpress.com or dx.com.
The added benefit here being that you can easily "tune" in the desired vibrational character.
I'd be careful to only cut off a small amount at a time and give it a little test. You can always cut more you can't add fin weight back on (although now I'm picturing a spot of JB weld on just the fan hub LOL). It should also be noted this will wreak havoc on the life of the bearings in the fan as they are made to be evenly loaded. Great concept :-)

10 years ago
on Introduction
i absolutely love this article... clean and simple. thanks, and keep it up! it was a great help

10 years ago
on Introduction
I made a few for vibrobots using a dime with a hole drilled in it Sugru'd to the motor spindle. Works great and never breaks.

10 years ago
on Introduction
I use buttons. I push the motor shaft through a button hole and put some glue if required to hold it in place.

10 years ago
on Introduction

10 years ago
on Introduction
I have one of these that I made out of a cell phone charger and a rumble motor from a broken PS2 controller. Aside from adding motion to things, it is also pretty handy for removing air bubbles when making molds. It also can help you when casting plastic, because it helps everything fill in all the way.

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4.6 out of 5 stars

195 ratings

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Customer Review: Good motor, poor bracket design
Customer Review: Power sifting table build
Customer Review: Good motor, poor bracket design

Top reviews

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Top reviews

Item Package Quantity: 1 Size: 30W Verified Purchase

This vibtator is used to shake liquid wax and sawdust into h.d. molds I can tune it to the right frequency. Thank you for this great shaker

Item Package Quantity: 1 Size: 30W Verified Purchase
Item Package Quantity: 1 Size: 30W Verified Purchase

I mounted this motor on a 30"x30"x 1/4" expanded metal diamond shape horizontal shaker screen. Works well for low moisture soil (not wet sticky soil). It is just powerful enough to get the job done relatively quickly with not-too moist soil, and not having to wear earplugs. If I was to design another screen setup, I would go diagonal and double the size of the screen length to run off large debris and double the size of the motor to be more of an aggressive shaker. I would wear earplugs then. Over all, a decent motor for the money!

Item Package Quantity: 1 Size: 30W Verified Purchase
Item Package Quantity: 1 Size: 30W Verified Purchase

4.0 out of 5 stars

Good motor, poor bracket design

By Yioos Surplus on March 27, 2019

Item Package Quantity: 1 Size: 30W Verified Purchase

Worked great for my purposes. Used it to make concrete pavers that would hold up the weight of my truck and RV. I mounted the unit under a little table, and put the form on top of the table. No problems at all vibrating about 90lbs of concrete and water. Made the job much easier and got the air bubbles out. Pros: Worked great. Price. Cons: One of the tiny bolts that cover the adjustable weights broke when I put it back on. It is a made in China tool.

5.0 out of 5 stars

Great tool for the price.

By JPW on August 2, 2020

Item Package Quantity: 1 Size: 30W Verified Purchase

5.0 out of 5 stars

Power sifting table build

By Brian Alsum on July 21, 2020

Item Package Quantity: 1 Size: 30W Verified Purchase

I attached this on my bed box springs using a solid-state motor speed controller for relaxing, adjustable vibrations while sleeping ...Works WONDEREFULL.....

5.0 out of 5 stars

works great, don't bother buying a motor speed controller

Item Package Quantity: 1 Size: 30W Verified Purchase

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