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This section provides an overview for brush motors as well as their applications and principles. Also, please take a look at the list of 15 brush motor manufacturers and their company rankings. Here are the top-ranked brush motor companies as of December, 2024: 1.ISL Products International., 2.MOOG, 3.Hansen Motors.
Table of Contents
A brush motor is a motor with sliding contacts called brushes to conduct current to the rotating shaft. They are characterized by simple and inexpensive construction and easy torque control. However, brushes are worn by rotation and require periodic maintenance. The disadvantage of brush motors is that they are noisy when driven.
Although wound AC motors and other types of motors also use brushes, the term "brush motor" generally refers to DC brush motor.
Brush motors are used in a wide range of applications, from consumer products to industrial applications. Typical examples are as follows
Because they are inexpensive among DC motors, they are used in cooling fans for DC office equipment. They have also long been used in moving equipment such as trains and elevators because of their easy torque and rotation speed control.
In recent years, inverter control, which requires no brushes and is easy to maintain, has become the mainstream for torque control in mobile equipment. Brushless motors are also becoming popular.
Brush motors consist of a rotor, stator, and commutator. The stator may use a coil or a permanent magnet.
The stator generates a magnetic field at all times, and the current flowing in the coil wound around the rotor, and the stator's magnetic field generates electromagnetic force to rotate the motor. It is important that the brushes are in contact with the commutator and that the direction of the coil current is in one direction.
Torque and speed can be controlled by changing the magnitude of the current.
The brush life of brush motors is generally several hundred to several thousand hours. On the other hand, the life of the brush motors itself is determined by the life of the bearings and is generally tens of thousands to hundreds of thousands of hours.
Brush motors rotate by switching between repelling and attracting forces between the stator and rotor. For the rotor to rotate, the polarity of the magnetic force must be switched according to the angle of rotation, and the commutator plays this role.
While the drive is simple and easy to use by simply applying DC voltage, the brushes are mechanical contacts that wear out due to rotation, so if the brushes cannot be replaced, the life of the motor depends on the life of the brushes.
Brush motors are also called DC motors because they can be easily driven by a DC power supply. Brushless motors, on the other hand, are also called permanent magnet synchronous motors. Brush motors are easier to drive and less expensive than brushless motors, making them suitable for a wide range of applications.
Brush motors are used in many applications, but their short life span due to brush wear is a drawback. Brush replacement is necessary for long-term use. Brush motors can be controlled not only by DC voltage but also by PWM pulses.
Brushless motors, on the other hand, eliminate the commutator and brushes and use permanent magnets in the rotor. The absence of brushes gives brushless motors a longer life, and bearing life is the life of a brushless motor.
The brushless motor drive is classified into "square wave drive" (a method of driving with square wave voltage) and "sine wave drive" (driving with sine wave voltage). While square wave drive has a relatively simple drive circuit, it generates noise and vibration during rotation. Sine wave drive, on the other hand, has a more complex drive circuit but features lower noise and vibration during rotation.
*Including some distributors, etc.
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ISL Products is a designer, manufacturer and supplier of engineered electromechanical component solutions, founded in 1975 and headquartered in New York. With a focus on meeting specific application requirements, they provide unique solutions at the component level. They specialize in a wide range of components such as dc motors, dc gear motors, electronic ballasts for uvc lamps and audio components. Their comprehensive component solutions are tailored to match the unique needs of diverse industries, including healthcare, medical, commercial, and industrial applications. Alongside their product offerings, they also provide integration assistance, industry leading customer service, and global logistical support.
Moog Inc. was incorporated in 1951 and is headquartered in East Aurora, New York. The company designs manufactures and integrates precision motion and fluid controls and control systems for customers including OEMS in industries such as aerospace, defense, industrial machinery, motorsports, and construction. The company’s product offerings include both systems and components. Examples of systems include actuation systems, naval systems, turreted weapon systems, and space vehicles. Examples of components include manifolds, slip rings, actuators, and servo actuators.
Orbray was originally founded in 1939 in Japan. Orbray serves the automotive, medical, fashion, information communication, audio, and robotics industries. Orbray develops a variety of products including small motors, fiber optics components, and precision jewelry tools. Applications for Orbray’s products include small robots, diaphragm pumps, inner wall metrology systems, and semiconductors.
Canon Finetech Nisca Inc. is a Japanese manufacturer of printers and related products that was established in Saitama in 1953. The company’s product portfolio includes CANON brand printers for office or home use, thermal printers utilizing thermal transfer or dye sublimation, and inkjet printers for printing on various media including cards, labels, or tags. It also offers embeddable print modules for integration into kiosks or terminals. The company’s products are commonly marketed by retailers of office supplies, industrial equipment, and consumer electronics.
Nidec Corporation was founded in Kyoto, Japan in 1973 and is a conglomerate with over 200 subsidiaries. Primary products are hard-disk drive motors and automotive parts, and specializes motors ranging from miniature to gigantic. Nidec’s products are used in robotics, automotive, home appliances, agriculturel equipments well as molding, cutting, and machining equipment and sensors.
Exmek Electric is a manufacturer of motion control solutions for OEMs based in China. The company produces various types of motors including BLDC Motors, Brush Motors, Integrated Motors, Stepper Motors, Brakes, and Planetary Gearboxes. The company specializes in precise motion control solutions for various industries, including Robotics, Automobile, Medical, Material Handling, Solar Tracking, and more. The company can also cater to the unique motion control needs of different industries, from design to volume production.
MinebeaMitsumi Inc. was incorporated in 1951in Japan and manufactures and supplies machined components, and electronic devices and components globally. It operates through four segments: machined components, electronic devices and components, MITSUMI Business, and the U-Shin business segment. MinebeaMitsumi specializes in bearing products including spherical, roller, rod end, and ball bearings for aerospace. MinebeaMitsumi also produces products including precision mechanical assemblies, fasteners, other special components including clutches and brakes, motors, blowers, sensors and lighting devices. Additionally, MinebeaMitsumi offers its products for use in PCs and peripheral equipment, information and telecommunications equipment, household electrical appliances, automobiles, and aerospace.
maxon, a company established in 1961, based in Sachseln, Switzerland, is a manufacturer and exporter of high-precision drive systems and components. The company advanced product solutions for various industrial and medical applications such as robotics, aerospace, automotive, prosthetics, and surgical devices. It has a range of products such as brushed and brushless DC motors, gearheads, encoders, controllers, and sensors. These products are designed to operate with high performance, quality, and reliability.
Founded in New York in 1916, Kollmorgen designs and manufactures motion system, drives, motors, actuators, gear heads, automated guided vehicle (AVG) systems, and accessories across a number of implementations and industries. These include aerospace, AGV, food&beverage, machine tools, metal forming, medical automation and imaging, energy, packaging, pharmaceutical, postal sorting, printing, robotics, smart warehouses, and tire and rubber production. Kollmorgen assists customers both in custom designs and in allowing customers to design their own devices based on individual needs.
Portescap originated in Switzerland in 1931 as a manufacturer of miniature motors and precision motor control solutions. The company assists its customers in selecting the optimal motion technology for a specific application. The extensive range of products includes linear actuators, gearheads, encoders, miniature DC motors (both brush and brushless), and miniature stepper motors. The miniature stepper motors and DC motor technologies are designed to reduce size and weight while enhancing efficiency. They fulfill the need for precise control in medical devices. robotics, surgical, and industrial power tools, automation and other applications.
Crouzet was founded in 1921 and is headquartered in France. The company is an independent manufacturer of mechatronic components for applications in the aerospace, energy, building, and machinery industries. The company offers four primary product categories: Switches & Sensors, Aerospace, Motion, and Automation & Control. Aerospace includes cockpit controls, electrical protection, and various position sensors. These are designed to increase pilot comfort and improve flight safety. Motion includes motors, actuators, and external control electronics. Automation & Control includes both hardware and software solutions.
Hansen Corporation was founded in 1907 in Princeton, Indiana, and is now an ElectroCraft Company. The company specializes in synchron motor and DC motor production as part of ElectroCraft. ElectroCraft provides motion control solutions in industrial, commercial, and consumer product markets. ElectroCraft and Hansen product models include asynchronous drives, stepper motors, DC brush motors and brushless motors, and actuators. The company’s tech center includes a CAD library of Hansen and ElectroCraft products, a conversions calculator, and whitepapers.
KING RIGHT MOTOR CO., LTD of Taoyuan City, Taiwan, specializes in the research and development and manufacture of DC brushed motors, servo motors, and DC gears. King Right Motor’s main products include DC motors, planetary gear motors, worm gear motors, spur gears, servo motors and pumps ranging in output power from 10W to 1,000W. These are used in equipment, industrial machinery, garage doors, elevators, elevator doors, mixers, medical equipment, health and welfare equipment, garden equipment tools, stage design and vehicle applications. King Right Motor has passed ISO 9001 certification.
TSUKASA ELECTRIC CO.,LTD was founded in 1969 in Japan. Tsukasa primarily develops two types of components. First are motors, which are used in vending machines, ATM machines, and amusement machines. These also include gear motors, gear pumps, linear motion units, and rotary actuators. Secondly, Tsukasa develops tube pumps which are generally mounted to the aforementioned motors.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | ISL Products International. |
18.8%
|
| 2 | Hansen Motors |
9.2%
|
| 3 | MOOG |
9.2%
|
| 4 | NIDEC SANKYO |
8.8%
|
| 5 | MinebeaMitsumi Inc. |
8.4%
|
| 6 | Kollmorgen Corporation |
7.5%
|
| 7 | Maxon |
7.1%
|
| 8 | Portescap |
6.7%
|
| 9 | Crouzet |
6.3%
|
| 10 | Exmek Electric |
5.9%
|
Derivation Method
The ranking is calculated based on the click share within the brush motor page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
6 | 54.5% |
|
United States of America
|
2 | 18.2% |
|
China
|
1 | 9.1% |
|
Switzerland
|
1 | 9.1% |
|
Taiwan
|
1 | 9.1% |
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