Brush DC Motors

Your Professional Brush DC Motors Supplier

Our company, founded in 1995, is a large-scale enterprise specializing in motor manufacturing, with expertise in producing various motors and reducers. The motors produced by our company have a wide range of applications, covering almost all fields. For example, mining, machinery, steel, metallurgy, transportation, and agriculture

Overview: Brush DC Motors

A brushed DC motor features permanent magnets inside its outer body, as well as an armature inside that rotates. The armature coil sits between the permanent magnets and is powered by brushes to create a magnetic field. The electric current through the brush to the armature coil drives the rotor.

Product Specification

We offers the following product specifications：

Motor Main Characteristics:
Model	Rated Voltage	Rated Speed	Rated Current	Rated Torque	No Load Speed	Output Power	Body Length	Weight
Model	Vdc	Rpm	A	mN.m	Rpm	W	Mm	Kg
42ZYT01A	24 (option for 12v up to 60vdc)	3600	0.86	38	4200	14	70	0.39
42ZYT02A		3600	0.98	43	4200	16	80	0.46
42ZYT03A		3100	1.2	57	3800	18	85	0.5
42ZYT04A		3600	1.6	70	4200	26	90	0.54
42ZYT04B		4700	2.4	80	5500	39	90	0.54
42ZYT04C		9000	6.0	100	10000	94	90	0.54
42ZYT05A		3600	2.3	105	4200	39	115	0.7
42ZYT05B		4500	4.0	150	5400	70	115	0.7

Product features

Simplicity and Cost-Effectiveness

One of the primary advantages of brushed motors is their simplicity in design and construction. Compared to other types of electric motors, brushed motors have fewer components, making them easier to manufacture and maintain.

High Starting Torque

Brushed motors boast high starting torque, making them ideal for applications requiring a quick and powerful initial response. This characteristic is especially advantageous in scenarios where devices need to overcome inertia or sudden resistance upon startup.

Efficiency in Low-Speed Applications

While brushed motors have a slight disadvantage when it comes to high-speed applications, they excel in low-speed scenarios. Due to the brush and commutator design, brushed motors maintain constant torque at low speeds, ensuring smooth operation and precise control.

High Overload Capacity

Brushed motors exhibit robust overload capacity, allowing them to handle temporary increases in load without significant damage. Their ability to withstand brief surges in power is beneficial in applications with varying operating conditions.

Reversibility

The design of brushed motors makes them inherently reversible, meaning they can easily switch the direction of rotation by reversing the direction of the current. This feature simplifies the control systems for many applications, as it eliminates the need for complex external circuitry to achieve bidirectional motion.

Application

Consumer Electronics

Hairdryers, toys, handheld vacuum cleaners, and electric shavers.

Automotive

Windshield wipers, power windows, and seat adjustment systems.

Industrial Equipment

Conveyor belts, actuators, and small machinery.

Home Appliances

Mixers, blenders, and portable fans.

BatteryOperated Tools

Power drills and screwdrivers often use brushed motors due to their high torque.

Structure

Stator Assembly and Magnetic Field Generation

The stator forms the stationary outer structure of a brush dc motor and plays a crucial role in establishing the magnetic field necessary for motor operation. In permanent magnet brush dc motors, the stator consists of permanent magnets arranged to create a uniform magnetic field across the air gap. These magnets are typically made from materials like ferrite, neodymium, or samarium cobalt, each offering different magnetic strength and temperature characteristics. The magnetic field strength and uniformity directly impact the motor's torque production and efficiency.

Rotor Design and Armature Windings

The rotor, also called the armature, consists of a laminated steel core with copper conductors embedded in slots around its circumference. These laminations reduce eddy current losses that would otherwise generate heat and reduce efficiency. The armature windings are precisely arranged in a specific pattern to ensure smooth torque production and minimize torque ripple. The number of conductors, their arrangement, and the commutator design all work together to optimize motor performance for specific applications.

Custom DC Motors

Give us a call with your vehicle specifications and requirements. We can design a high-quality custom dc motor to suite your needs ranging from 12V to 144V.

Our current design capabilities are: 1 to 10 HP (horse power) continuous duty rating - up to 25 HP (18.5 kW) Peak, Frame O. D. - 6.69 inch, Voltage - 12 volts, 24 volts, 36 volts, 48 volts up to 72 volts (higher if required). Complete range of wound field construction (series or separately excited).

Meets all Class H temperature ratings: Experienced in the material handling, utility vehicle, NEV, aerial lift, airport support vehicle, golf cart and several other electric vehicle markets.

Warranty Policy

Warrants each of its dc motors and controllers to be free of defects related to workmanship or material. DC Motors are warranted for a period of one-year and controllers are warranted for a period of two-years, both from their respective H&C Motor System ship dates.

If the motor and/or controller has received normal use and service. Each motor and/or controller returned must be accompanied with a description of the problem, the part number and the serial number. For complete warranty information, click the link above.

Package & Delivery

Package:	Standard export package or Custom
Delivery:	By air express, by sea

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FAQ

Q: What variables contribute to Brush DC Motor noise?

A: Motor mounting in application, load and speed of the motor, and type of bearings all play a role in motor noise.

Q: When do I use a Planetary Gearbox, and when do I use a Spur Gearbox?

A: For a low-current, low-noise, and high-efficiency application, a Spur Gearbox would be the better choice. Applications with higher torque requirements, higher current consumption, lower efficiency, and higher audible noise levels, one should consider a Planetary Gearbox.

Q: What is Backlash?

A: Backlash is the clearance between mating components, such as the gears within a gearbox. Theoretically, backlash should be zero, but in practice, some backlash should be allowed to prevent jamming. This is especially true in reversing mechanical designs. Generally the greater the accuracy, the smaller the backlash needed. Backlash in gearboxes is most commonly created by cutting the teeth deeper into the gears than the ideal depth. Another way of introducing backlash is by increasing the center distances between the gears.

Q: Does a Brush DC Motor need to run at the rated voltage?

A: No, however it is recommended to run the Brush DC Motor slower or at less than the nominal voltage. Brush DC Motor life can be affected by the speed of operation. Operating at a lower voltage means lower brush/commutator wear on the motor, while lower current consumption will also contribute to longer motor life.

Q: Are DC Motors reversible?

A: Yes, this can be easily done to by reversing the polarity on the Power Supply.

Q: What is the primary difference between a Brush DC Motor and a Brushless DC Motor?

A: Because of brush wear, a Brush DC Motor requires more maintenance, and has shorter life than Brushless DC Motors. Brushless DC Motors require the use of an Electrical Speed Controller, but offer higher efficiency.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: What is the quality control of your product?

A: Follow strictly quality control measures for implementation,

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: Is OEM open to clients?

A: Yes, we can provide both OEM and ODM service.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Guangzhou Haoqing Mechanical And Electrical Equipment Co., Ltd. is one of the most reliable brush dc motors manufacturers and suppliers in China, also supports customized service. Please feel free to buy high quality brush dc motors made in China here from our factory. For price consultation, contact us.

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