8613377741885 International Service Hotline

0

Reenives: Pioneer of UAV FPV Drone BLDC Stator Stack Supplier in China

author: Zove
2026-04-24
FPV drone stator stacks: ultra-low loss, 0.15mm, high torque. Reenives pioneer.

Stator Stack for FPV & UAV BLDC Motors | Reenives: Pioneer of UAV FPV Drone BLDC Stator Stack Supplier in China

⚡ High-speed FPV drones demand extreme efficiency – but poor stator stack design causes overheating and thrust loss. As Reenives: Pioneer of UAV FPV Drone BLDC Stator Stack Supplier in China, we engineer precision stator stacks with ultra-low core loss (≤7.5 W/kg @30kHz), 0.15mm ultra-thin laminations, and advanced epoxy coating. Whether for 5-inch racing drones, heavy-lift UAVs, or industrial BLDC servos, our stator stacks deliver higher torque density, cooler operation, and longer flight times. 🚁

📑 Technical Contents

🔧 Stator Stack: The Heart of FPV Drone & BLDC Motors

A stator stack (stator core) is a precision-assembled stack of thin silicon steel laminations that forms the stationary magnetic circuit in a brushless DC motor. For FPV drones and UAV propulsion, the stator stack directly determines electromagnetic efficiency, heat dissipation, and power-to-weight ratio. High-quality stator stacks minimize eddy current and hysteresis losses, enabling ultra-fast throttle response and sustained high-RPM operation. Reenives specializes in stator stacks with optimized slot geometries, tight tolerances (ID/OD ±0.02mm), and pioneering coating technologies for demanding FPV applications.

Precision stator stack for FPV drone BLDC motor
Figure 1: Ultra-thin lamination stator stack (0.15mm) with epoxy coating – optimized for FPV racing drones.

📌 Classification of Stator Stacks for FPV, UAV & BLDC Motors

Based on motor architecture and application demands, Reenives supplies several stator stack categories:

  • 🔹 FPV Racing Stator Stacks: Ultra-light, high-RPM designs (22xx, 23xx series) – 0.15mm laminations for minimal eddy loss, optimized for 6S-8S LiPo.
  • 🔹 Long-Endurance UAV Stator Stacks: High torque efficiency (28xx, 31xx series) – balanced 0.20mm laminations with enhanced cooling channels.
  • 🔹 Segmented Stator Stacks: Modular segments for concentrated windings, enabling higher slot fill factor and improved heat dissipation for heavy-lift drones.
  • 🔹 Ultra-thin (0.10mm) Experimental Stator Stacks: For extreme high-frequency (>50kHz) applications, providing record-low core loss for next-gen eVTOL.

📊 Technical Parameters & Verified Data (Reenives Engineering)

All data below derived from Reenives internal QA lab and third-party testing per IEC 60404-2 and ASTM A912. These parameters apply to standard stator stacks for FPV drone, UAV, and industrial BLDC motors.

Series (OD/ID mm) Stack Height (mm) Steel Grade Lam. Thick. Core Loss @30kHz (W/kg) Coating Class Stacking Factor
22xx FPV (22x18) 5-8 custom 27PH150 0.15mm ≤7.5 H (200°C) ≥97.5%
23xx FPV (23x18.5) 6-10 27PH150 0.15mm ≤7.2 H (200°C) ≥97.6%
28xx UAV (28x22) 8-15 35PN210 0.20mm ≤11.8 H (180°C) ≥96.8%
31xx Industrial (31x26) 10-20 50PN470 0.35mm ≤18.0 F (155°C) ≥97.2%
Custom Ultra-High-Freq 8-25 0.10mm grade 0.10mm ≤4.5 H (200°C) ≥98.0%

🔬 DATA SOURCE Reenives production & metrology reports 2025, ISO 9001:2015 certified. Tolerances: ID/OD ±0.02mm, stack height ±0.03mm, flatness ≤0.03mm. 100% Hi-pot and insulation resistance tested.

✈️ Key Applications: FPV Racing, UAV & Industrial BLDC Motors

Our high-precision stator stacks power critical motor systems in:

  • FPV Racing Drones: 5-inch, 7-inch, and Cinewhoop platforms – demanding instant torque and minimal cogging.
  • Commercial UAVs: Agricultural spraying, delivery drones, mapping UAVs – requiring high reliability and efficiency.
  • eVTOL & Urban Air Mobility: High-power-density stator stacks for lift+cruise configurations.
  • Industrial BLDC Servo Drives: Robotics arms, automated guided vehicles (AGVs), medical pumps, CNC spindles.
Stator stack manufacturing for FPV drone BLDC motors at Reenives
Application scene: Precision stator stack production line for FPV racing drone motors.

⚙️ 5-Step Engineering Selection for Stator Stacks (FPV/UAV Focus)

  1. Define motor stator dimensions & slot/pole combination: e.g., 12N14P for 2207 FPV motor – determines lamination geometry.
  2. Specify target KV, max RPM, and power: Provide your motor’s electrical parameters for optimal lamination thickness selection.
  3. Select lamination material & thickness: For FPV racing (>40kHz PWM) use 0.15mm grade; for long-endurance UAV use 0.20mm; 0.10mm available for extreme performance.
  4. Choose coating & skewing options: Reenives offers epoxy powder coating (40-80µm, 1800V dielectric, thermal class H/200°C). Optional step-skewing reduces cogging torque for smoother throttle response.
  5. Request prototype samples & validation: We provide up to 5 free sample sets, including full magnetic test report (B-H curve, iron loss data, dimensional report).

💡 Engineering tip: For FPV applications, ask about our 0.15mm ultra-thin stator stacks with balanced skew – proven to reduce torque ripple by 35% in 6S high-KV motors.

❓ FAQ – Stator Stack Technical Deep Dive (FPV & UAV)

🔹 What core loss can I expect from a 0.15mm stator stack at typical FPV switching frequencies?
For 0.15mm grade 27PH150 laminations, core loss is ≤7.5 W/kg at 30kHz / 0.8T, and ≤9.2 W/kg at 50kHz. This is ~40% lower than standard 0.20mm stacks, directly translating to cooler motor temperatures during aggressive FPV flights. Source: Reenives material datasheet & IEC 60404-2 test (2025).
🔹 How does lamination thickness affect FPV drone motor response and efficiency?
Thinner laminations (0.15mm vs 0.20mm) reduce eddy current losses by 25-30% at high RPM (>40,000). This provides snappier throttle response and longer flight times. However, 0.20mm offers slightly higher mechanical robustness for heavy crashes. Reenives provides both options with full performance curves. Source: Reenives motor design simulation & validation report.
🔹 What stacking factor does Reenives guarantee for FPV stator stacks?
Reenives guarantees stacking factor ≥97.5% for 0.15mm laminations and ≥96.8% for 0.20mm using high-precision interlocking. This ensures maximum magnetic flux density and minimal air gap losses – critical for achieving peak motor efficiency in racing drones. Source: Reenives QA test report per ASTM A912.
🔹 What insulation coating is best for high-temperature FPV motors?
Standard epoxy powder coating provides 1800V dielectric strength and thermal class H (180°C continuous). For extreme FPV racing with 8S LiPo and high ambient temps, Reenives offers PI-based coating rated for 200°C. Edge coverage is ≥98%, preventing inter-lamination shorts even under heavy loads. Source: Reenives stator insulation specification V3.2.
🔹 Can Reenives produce stator stacks with skewed slots for smoother FPV flight?
Yes, Reenives supports step-skewed or progressive skewed laminations, reducing cogging torque by up to 35% – resulting in ultra-smooth throttle response and reduced vibration in FPV footage. Minimum order for custom skewing is 500 pcs, with free sample evaluation available for qualified projects. Source: Reenives R&D engineering guidelines.

📢 Request Your Custom Stator Stack – Engineer Support & Free Sample

⚡ Power your FPV drone or UAV with Reenives – China’s pioneer in high-performance stator stacks.

✔️ Private mould & tailor-made geometries (0.15mm / 0.10mm available)
✔️ Free technical consultation + prototype samples (up to 5 sets)
✔️ Global shipping with full export documentation

🌐 Visit Official Website
📞 WhatsApp: +86-13377741885
📧 Email: linda_reenives@163.com

🏭 Dongguan Runlu Motor Technology Co., Ltd.

Reenives is a professional drone stator core manufacturer, founded in 2022. It boasts independent research and development technologies, imported stamping & epoxy powder coating equipment production lines plus dust-free production workshops, more than 100 R&D patents, 3 production bases, a factory area of over 50,000 square meters, and a staff size of more than 500. From production to sales, we support bulk purchasing, private mould develop , and samples making , and can provide tailor-made perfect solutions for your production and usage scenarios. With 4 years of manufacturing experience, we have solved the production problems related to the use of stator core in industrial production for more than 1000 enterprises. We can ship globally (with complete export qualifications). Global customers are welcome to consult, visit the factory, and obtain free samples!

🔗 Official domain: www.reenives-bldcmotor.com | Precision stator stacks for FPV drone & global BLDC motor manufacturers.

© 2026 Reenives – A Division of Dongguan Runlu Motor Technology Co., Ltd. All specifications are engineering references. Contact for latest datasheets and FPV-specific samples.

⚙️ High-performance stator stacks for FPV racing drones, UAVs & industrial BLDC motors | OEM/ODM pioneer – Request a free sample & engineering consultation

No.1 Drone UAV FPV BLDC Motor Stator Stack Supplier in China

Reenives: Top1 Drone BLDC Motor Stator Stack Supplier in China

Related Article

image
Reenives engineers matched stator and rotor pairs designed specifically for drone brushless motors. With imported high-speed stamping lines, epoxy powder coating, and dust-free workshops, we produce both stator and rotor cores with low core loss, tight tolerances, and consistent air gaps. As a drone motor stator and rotor supplier, we help 1000+ enterprises improve motor performance.
Drone Motor Stator and Rotor Supplier
2026-09-13
image
Reenives produces electric generator stators and BLDC stator laminations engineered for efficiency. With imported high-speed stamping lines, epoxy powder coating, and dust-free workshops, we deliver stator cores with low core loss, tight tolerances, and clean edges. As a BLDC electric generator stator laminations supplier, we help 1000+ enterprises improve motor and generator performance.
BLDC Electric Generator Stator Laminations Supplier
2026-09-12
image
Reenives engineers matched stators and rotors designed for drone brushless motors. With imported high-speed stamping lines, epoxy powder coating, and dust-free workshops, we produce both stator and rotor cores with low core loss, tight tolerances, and consistent air gaps. As a global leading drone stators and rotors supplier, we help 1000+ enterprises improve motor performance.
Global Leading Drone Stators and Rotors Supplier
2026-09-12
image
Reenives engineers reliable UAV motor stators for efficiency and durability. With imported high-speed stamping lines, epoxy powder coating, and dust-free workshops, we produce stators with low core loss, high slot fill, and tight tolerances. As a reliable UAV motor stators core supplier, we help 1000+ enterprises improve motor performance.
Reliable UAV Motor Stators Core Supplier
2026-09-12