Hey there! As a supplier of 16mm DC gear motors, I’ve gotten a ton of questions about cogging torque. So, I thought I’d take some time to break it down for you guys. 16mm DC Gear Motor

Let’s start with the basics. What exactly is cogging torque? Well, simply put, cogging torque is the non – uniform torque that’s generated in a DC gear motor when the rotor is rotated with no electrical power applied to the stator. It’s like that little "bumpiness" you feel when you try to turn the motor shaft by hand.
In a 16mm DC gear motor, cogging torque happens because of the interaction between the permanent magnets in the rotor and the stator’s iron core. The magnetic field of the permanent magnets creates a sort of magnetic "attraction" and "repulsion" pattern as the rotor turns. When the rotor teeth align with the stator teeth, there’s a peak in the magnetic force, and that’s what causes the cogging effect.
Now, you might be wondering why cogging torque matters. For some applications, it can be a real pain in the neck. For example, if you’re using a 16mm DC gear motor in a precision positioning system, cogging torque can cause the motor to move in small, jerky steps instead of a smooth, continuous motion. This can lead to inaccuracies in your positioning, which is a big no – no in industries where precision is key, like robotics or medical equipment.
On the other hand, in some cases, cogging torque can actually be useful. In applications where you need the motor to hold a position without using power, the cogging torque can act as a sort of "self – braking" mechanism. For instance, in some simple toys or small appliances, the cogging torque can help keep the motor in place when it’s not running.
There are a few factors that can affect the cogging torque in a 16mm DC gear motor. One of the most important ones is the motor’s design. The number of poles in the motor, the shape of the rotor and stator teeth, and the type of magnetic material used all play a role in determining the magnitude of the cogging torque.
A电机with more poles generally tends to have a higher cogging torque. That’s because there are more magnetic interactions happening as the rotor turns. The shape of the rotor and stator teeth also matters. If the teeth are designed to have a more gradual alignment, the cogging torque can be reduced. And when it comes to the magnetic material, stronger magnets can result in a higher cogging torque.
Another factor is the manufacturing process. Any small imperfections in the motor’s construction, like uneven air gaps between the rotor and stator or misaligned teeth, can increase the cogging torque. That’s why we at our supply business take extra care during the manufacturing process to ensure that our 16mm DC gear motors are as precise as possible.
If you’re dealing with a 16mm DC gear motor and the cogging torque is too high for your application, there are a few things you can do. One option is to use a motor with a different design. You can look for a motor with fewer poles or a different tooth shape to reduce the cogging effect.
Another approach is to use a control system. By applying an appropriate electrical current to the motor, you can counteract the effects of the cogging torque and make the motor run more smoothly. This is often done in high – precision applications where even the slightest amount of cogging can cause problems.
We understand that every customer’s needs are different. Some of you might be looking for a 16mm DC gear motor with low cogging torque for a precision application, while others might actually want a motor with a bit of cogging for a self – braking effect. That’s why we offer a wide range of 16mm DC gear motors with different cogging torque characteristics.
Our team of experts is always here to help you choose the right motor for your specific application. We can provide you with detailed information about the cogging torque of each of our motors, and we can even work with you to customize a motor if needed.
If you’re in the market for a 16mm DC gear motor, don’t hesitate to reach out to us. Whether you’re a small business working on a DIY project or a large corporation in need of a high – volume order, we’ve got you covered. We’re committed to providing you with the best quality motors at competitive prices.

So, if you have any questions about cogging torque or our 16mm DC gear motors, just drop us a line. We’d love to have a chat with you and help you find the perfect motor for your needs. Let’s start a conversation and see how we can work together to make your project a success.
12mm DC Gear Motor References:
- "Electric Motors and Drives: Fundamentals, Types and Applications" by Austin Hughes and Bill Drury
- "Permanent Magnet Synchronous Machines: Design and Applications" by Seung – Kyu Sul
I.CH Motion Co., Ltd.
I.CH Motion Co., Ltd. is one of the most professional 16mm dc gear motor manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy cheap 16mm dc gear motor from our factory. Contact us for customized service.
Address: D2-1704, Vanke Duhui Tiandi, 28 Jiangnan Road,Dongshan Street, Jiangning District, Nanjing City, Jiangsu Province
E-mail: info@ichmo.com
WebSite: https://www.ichgearmotor.com/