Axial Stator Core for UAV & Drone Motors | Reenives: Global Leading Axial Stator Core Supplier

Designing a lightweight, high-torque drone propulsion system? Traditional radial flux motors add unnecessary weight and limit flight endurance. The Axial Stator—with its disc-shaped, pancake architecture—delivers higher torque density and power-to-weight ratio than conventional stator designs[reference:0][reference:1]. Reenives engineers precision axial stator cores using ultra-thin silicon steel laminations (0.20mm/0.35mm) and epoxy coating, achieving up to 30% weight reduction while maintaining superior thermal performance. Trusted by 1000+ enterprises for UAV, eVTOL, and robotics applications.

What is an Axial Stator?

An axial stator is the stationary component of an axial flux motor, where the magnetic flux flows parallel to the motor shaft—unlike radial flux motors where flux flows perpendicular to the shaft[reference:2]. This disc-shaped ("pancake") architecture enables shorter axial length, larger effective rotor diameter, and higher torque per unit volume[reference:3][reference:4]. Axial stators are typically fabricated from non-oriented or grain-oriented silicon steel laminations (0.20mm–0.35mm)[reference:5], with epoxy powder coating for insulation and corrosion resistance. Reenives specializes in producing precision axial stator cores for UAV propulsion, eVTOL aircraft, and high-performance BLDC motors, leveraging advanced stamping and rolling technologies[reference:6].

Axial Stator Classification & Configurations

Reenives offers a comprehensive range of axial stator cores tailored for drone and industrial BLDC applications. Our standard and custom options include:

Source: Reenives engineering catalog & production capabilities (2026)

Technical Specifications & Verified Data

✔ Data Source: Reenives internal quality database & third‑party verification reports (available upon request).

Applications: UAV, eVTOL & Industrial BLDC Motors

Our axial stator cores are engineered for high‑performance applications where weight, torque density, and efficiency are paramount[reference:15][reference:16]:

• FPV Racing Drones: Ultra-lightweight axial stators for maximum power-to-weight ratio and instant throttle response.
• Commercial Survey & Agricultural UAVs: High-efficiency axial stators enabling extended flight endurance with reduced battery weight[reference:17].
• eVTOL & Advanced Air Mobility: 100 kW-class axial stators for urban air mobility platforms[reference:18][reference:19].
• Robotic Actuators & Servo Motors: Compact axial stators with low cogging torque for precision positioning.
• Industrial BLDC & Servo Drives: High-torque-density stators for automation and robotics.

5‑Step Engineering Selection Guide for Axial Stator Cores

1. Define motor OD & power requirements: Based on thrust, payload, and flight endurance targets (e.g., 28‑45mm stators for UAVs).
2. Select stator topology: Single‑stator for simplicity, dual‑stator for higher torque density, or YASA for maximum power-to-weight[reference:20].
3. Choose lamination material: 0.20mm grain-oriented steel for high‑frequency operation (40‑80kHz) / 0.35mm for robust industrial applications[reference:21].
4. Specify insulation & coating: Epoxy powder coating is mandatory for UAV stators to prevent inter‑lamination shorts under humidity.
5. Prototype & validation: We supply 5‑15 sample pieces for 3D FEA validation, back‑EMF testing, and thermal analysis before mass production[reference:22].

FAQ – Critical Axial Stator Parameters for Drone Engineers

Power Your UAV Propulsion with Reenives Axial Stator Solutions

Dongguan Runlu Motor Technology Co., Ltd.