Axial Flux Motors

An axial-flux motor is a type of motor in which the main magnetic flux in the air gap is distributed along the motor’s rotational axis; the stator and rotor typically have a disc-shaped (disc-type) structure, and electromechanical energy conversion is achieved through an axial magnetic field.

Industry Applications

New Energy Vehicles
Humanoid Robots
Low-Altitude Aircraft
CNC Machine Tools
Construction and Agricultural Machinery
Ships
Energy-Efficient Equipment

Axial-flux motors feature an extremely short magnetic flux path: the magnetic field travels directly along the axial direction through the air gap, reaching from one pole of the rotor to the opposite pole of the stator. Unlike traditional radial motors, it does not need to pass through complex magnetic circuits such as stator teeth or the stator yoke. This significantly reduces magnetic resistance and achieves a qualitative improvement in magnetic field utilization, thereby optimizing the motor’s energy conversion efficiency at its core. The design features the following characteristics:

1. Ultra-thin and flat: With a disc-shaped structure, the axial dimensions are only 1/3 to 1/2 those of radial motors, making it suitable for applications with limited axial space
2. Ultra-high torque density: Torque density is 30%–60% higher than that of radial motors of the same volume, providing strong high-torque output capability
3. High efficiency: Short magnetic flux path and low iron loss result in a significant efficiency advantage at high speeds
4. Axial force balance: The dual-rotor structure balances axial magnetic attraction, reducing bearing loads
5. Superior heat dissipation: The large exposed surface area of the stator windings provides better heat dissipation than radial motors
6. Explosion-proof safety: A fully sealed explosion-proof enclosure combined with a shaft extension seal meets Ex d IIC T4 requirements

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Axial Flux Motors Features

Stable and reliable performance;
Compact size, high torque;
Localized production and R&D: Leveraging the local supply chain to ensure that cost-effectiveness and lead times better meet customer needs;
Customized solutions: We can provide customers with customized solutions.

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Benefits of Axial Flux Motors

Axial-flux motors feature several key characteristics and components that enable them to operate efficiently and reliably in specialized industries. Let’s explore a few of these key aspects below.

Ultra-thin and flat

With a disc-shaped structure, the axial dimensions are only 1/3 to 1/2 those of radial motors, making it suitable for applications with limited axial space

Ultra-high torque density

Torque density is 30%–60% higher than that of radial motors of the same volume, providing strong high-torque output capability

High efficiency

Short magnetic flux path and low iron loss result in a significant efficiency advantage at high speeds

Axial force balance

The dual-rotor structure balances axial magnetic attraction, reducing bearing loads

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Axial Flux Motors Technical Data

Electrical Specifications	Electrical Parameter Range	Note
Explosion-Proof Rating	II 2G Ex db IIC T4 Gb, II 2D Ex tb IIIC T130℃ Db	Suitable for hazardous locations in Zones 1 and 2
Motor Outer Diameter	100mm - 300mm	Disc-type design; the outer diameter determines the torque
Axial Length	20mm - 80mm	Ultra-thin design with a compact axial profile
Rated Power	200W - 5KW	Covers a wide power range
Rated Speed	300 - 6000 rpm	Available in high-speed or low-speed versions
Peak Torque	5 - 300 N·m	Dual-rotor design delivers high torque
Torque Density	10 - 30 N·m/L	Significantly higher than radial motors
Efficiency	≥ 92% (under rated operating conditions)	High-efficiency design
Cooling Method	Natural Cooling / Liquid Cooling	Selectable based on power rating
Protection Rating	IP65 / IP66	Fully sealed explosion-proof housing

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Wheatstone Axial Flux Motor Structure

Rotor-Stator-Rotor

Stator-Rotor-Stator

Wheatstone Axial Flux Motors

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Wheatstone Axial Flux Motors Catalogue

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If there is anything you're not sure about or you just need a hand getting set-up you can call or email us.

About Wheatstone:Your Expert Of Axial Flux Motors

Jiangsu Wheatstone Electric Technology Co., Ltd. is located in Jiangsu Province, adjacent to Shanghai and Wuxi. The company operates two factories, one in Changzhou and the other in Wuxi.

It primarily manufactures axial flux motors, explosion-proof servo motors, submersible motors, explosion-proof motors for underground coal mines, radiation-resistant motors, and AC/DC servo motors.

If you have any requirements for custom axial flux motors, please feel free to contact us at any time

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Why Choose Axial Flux Motors From Wheatstone?

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Quality

Wheatstone is known for delivering high-quality products and services that meet or exceed our customers' expectations.

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Reliability

Our products and services are designed to be reliable, which is why our customers trust us to provide them with solutions that work.

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Innovation

Wheatstone is always at the forefront of new technology and innovation, providing our partners with cutting-edge solutions that keep them ahead of the competition.

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Customization

We understand that every customer's needs are different, which is why we offer customized solutions that meet their specific requirements.

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Experience

Wheatstone has been in the motor industry for many years, and our experience has helped us to develop a deep understanding of the challenges that our customers face.

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Global Reach

We have a strong global presence, with partners in over 70 countries, which enables us to provide our customers with support wherever they need it.

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Commitment to Service

Our commitment to providing exceptional service is at the heart of everything we do, and our partners appreciate the support we provide throughout the entire customer journey.

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Cost-effectiveness

Wheatstone offers cost-effective solutions that provide our customers with the best value for their investment, ensuring that they receive a high return on their investment.

Axial Flux Motors FAQ

Q Axial Flux Motors FAQ

A 1.How thin can the axial thickness of an axial flux motor be? What are the maximum and minimum outer diameters?

Wheatstone provides customers with the best solutions within the applicable range.

2.How do axial flux motors dissipate heat, and are they prone to overheating?
Axial flux motors do face significant thermal management challenges, primarily due to their compact, high-power-density design. However, they are not inherently prone to overheating; rather, their ability to dissipate heat depends entirely on the cooling system integrated into the design. A wide range of innovative cooling strategies—from advanced liquid systems to passive heat pipes—are employed to effectively manage heat and ensure reliable operation

3.What is the total weight of the Axial Flux Motors? Does it meet the weight reduction requirements?
Axial flux motors are celebrated for their exceptional power-to-weight ratios, and the data strongly confirms that they significantly outperform conventional motors in weight reduction. The total weight varies greatly by application, but the technology consistently demonstrates a massive weight advantage.