Coreless DC Motor
Coreless DC motors eliminate the traditional laminated iron core in the rotor. Instead, they use a stationary high-performance toroidal magnet as the core. The motor’s windings are attached to the motor shaft and placed in a resin mould that rotates around the magnetic core. Without an iron core to support the windings, epoxy is often used to hold them in place.
This design is distinct from conventional DC motors, where the rotor has a ferromagnetic core. Coreless DC motors feature a low inertia design, allowing them to quickly accelerate, stop, and change direction, making them ideal for applications requiring high-speed and precise control.
One key advantage is increased efficiency, as magnetic losses are reduced. Additionally, since the windings are closer to the motor case, they dissipate heat more effectively, allowing the motor to deliver higher power. These features together enable coreless DC motors to achieve superior performance.
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The Technology Of Coreless DC Motor
DC coreless motors, as the name implies, do not contain an iron core in the rotor. Instead, copper wire windings are arranged in a basket configuration, rotating around the outside of a cylindrical magnet. Coreless motors offer three key advantages:
The absence of an iron core eliminates cogging caused by magnetic induction, resulting in smooth rotation with minimal noise and vibration.
The use of high-performance rare earth magnets, combined with the rotor’s basket configuration, enables the motor to be miniaturized.
These features contribute to the motor’s efficiency and compact design.
Common DC Motor Designs
No matter which DC motor technology is used, certain form factors and design features are common across many industries. These shared elements help guide the selection of the best motor solution. Below are some examples to help describe your ideal choice.
Terminals and connector pins
Connecting the motor to the application is essential. We usually use soldered pins, spring pad connectors, and integrated connectors for this purpose.
Leads and connectors
Wires and leads are commonly used to connect motors in applications. We provide various lengths, gauges, and pre-installed connectors.
Frame modifications
Securing motor frames to your application can be achieved in several ways. Custom fastening points and brackets are often utilized.
EMI filters and backpack PCBs
Operating motors generate EMI electrical noise. This can be reduced by installing filters, which can be either PCB-based or wire-based.
Shaft modifications
The motor must connect mechanically to your product. We can create custom shafts and pre-install gears, bushes, and bosses.
Motion controllers
A small PCB attached to the back of a DC motor can convert it into a precision servo at a fraction of the cost of a similar off-the-shelf unit.
Why Choose TSL?
We are here to assist you throughout the entire process, from prototype development to large-scale, cost-efficient mass production.
Founded in 2009, TSL Motors has been at the forefront of micro DC motor design and manufacturing. With ISO 9001, ISO 14001, and ISO 45001 certifications, TSL is committed to delivering high-quality products that meet international standards.
We offer a wide range of motor solutions, including coin vibration motors,ERM vibration motor, coreless DC motors, Stepper DC Motors,LRA vibration motors, BLDC motors,Brushed DC Motors,Planetary Gear Motors,Spur Gear Motors ,Worm Gear Motor,etc. Our motors are engineered to be cost-effective, reliable, and customizable, catering to various applications across diverse industries.
At TSL, we strive to provide our valued customers with innovative solutions tailored to their specific needs.
Designing motors and mechanisms for a diverse array of industrial, medical, and consumer applications.
Our skilled sales engineers are adept at quickly grasping your unique requirements and offering tailored services. These custom services encompass motor performance parameters such as rated voltage, speed, and current, along with additional features like connectors, wire lengths, rubber boots, plastic/metal capsules, brackets, and spring contacts.
We provide comprehensive support, including detailed drawings and specifications, throughout the entire process from prototype development to mass production.
Our motor manufacturing process is designed to be flexible, enabling us to accommodate both large-scale production and specialized, high-value custom builds to meet diverse customer needs.
We use in-house designed dynamometers to thoroughly test and validate every sample and production batch, ensuring the highest standards of quality and performance.
TSL Motor is an ISO 9001:2015 certified company, committed to ensuring that each motor meets your precise specifications and performance standards. We have developed a comprehensive after-sales support system, offering prompt responses to customer inquiries and addressing any issues or needs that may arise. Our commitment doesn’t end with delivery—we are here to support you every step of the way.
✅Collaborate with Specialists
Our engineering team brings decades of motor technology expertise to every project.
✅Seamless Global Partnership
Communicating with us is a breeze.
We’ll adapt to your time zone, making sure that information and ideas are exchanged promptly.
Right from the start, you can rest assured that your thoughts are fully grasped.
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