Reenives: Reputable Drone UAV FPV Propulsion System BLDC Motor Stator Lamination Core Supplier in China

author: Zove

2026-04-26

Lamination Core for Drone, UAV & FPV Propulsion | Reenives: Reputable Drone UAV FPV Propulsion System BLDC Motor Stator Lamination Core Supplier in China

⚠️ Inefficient lamination cores cause excessive heat, poor torque response, and shortened flight endurance. As a reputable drone UAV FPV propulsion system BLDC motor stator lamination core supplier, Reenives delivers high-precision lamination cores with ultra-low core loss (≤7.5 W/kg @30kHz), 0.15mm ultra-thin silicon steel, and advanced H-class epoxy coating. Whether for FPV racing, commercial UAVs, or industrial BLDC motors, our lamination cores boost efficiency by up to 15%, reduce operating temperatures, and ensure reliable propulsion. 🚁

📑 Technical Contents

1. Lamination Core Definition
2. Classification by Design & Application
3. Technical Parameters + Data Source
4. Key Applications (Drone, UAV, FPV)
5. Engineering Selection Workflow
6. FAQ – Lamination Core Technical Deep Dive
7. Custom Solutions & Contact
8. Dongguan Runlu Motor Technology Co., Ltd.

🔧 Lamination Core: The Foundation of BLDC Propulsion Systems

A lamination core (stator core) is a precision-stacked assembly of thin silicon steel sheets that forms the stationary magnetic circuit in a brushless DC motor. For drone, UAV, and FPV propulsion, the lamination core directly determines electromagnetic efficiency, thermal management, and power density. High-quality lamination cores minimize eddy current and hysteresis losses, enabling faster throttle response, higher torque density, and extended flight endurance. Reenives, a reputable lamination core supplier, specializes in optimized slot geometries, tight tolerances (ID/OD ±0.02mm), and advanced coating technologies – trusted by 1000+ global OEMs.

High-precision lamination core for drone UAV FPV BLDC motor

Figure 1: Precision lamination core (0.15mm stack) with epoxy coating – optimized for UAV propulsion systems.

📌 Classification of Lamination Cores for Drone, UAV & FPV Motors

Based on motor architecture and application demands, Reenives supplies several lamination core categories:

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

📊 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 lamination cores for drone, UAV, FPV, 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: Drone Propulsion, UAV, FPV & Industrial BLDC

Our reputable lamination cores power critical motor systems in:

FPV Racing Drones: 3-inch to 7-inch platforms – demanding instant torque, minimal cogging, and high RPM stability.
Commercial UAVs: Agricultural spraying, delivery drones, mapping UAVs – requiring high reliability and efficiency over long missions.
eVTOL & Urban Air Mobility: High-power-density lamination cores for lift+cruise configurations.
Industrial BLDC Servo Drives: Robotics arms, automated guided vehicles (AGVs), medical pumps, CNC spindles.

Lamination core stacking and inspection for drone UAV FPV motor production

Application scene: High-volume lamination core manufacturing for global drone propulsion OEMs.

⚙️ 5-Step Engineering Selection for Lamination Cores (Drone/UAV/FPV)

Define motor stator dimensions & slot/pole combination: e.g., 12N14P for 2207 FPV motor – determines lamination geometry and tooling.
Specify target KV, max RPM, and power: Provide your motor’s electrical parameters for optimal lamination thickness selection.
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.
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.
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 high-performance FPV drones, ask about our 0.15mm ultra-thin lamination cores with 5° skew – proven to reduce torque ripple by 35% and improve flight smoothness.

❓ FAQ – Lamination Core Technical Deep Dive (Propulsion Focus)

🔹 What core loss can I expect from a 0.15mm lamination core 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 and longer flight times during aggressive FPV flights. Source: Reenives material datasheet & IEC 60404-2 test (2025).

🔹 How does lamination thickness affect drone propulsion efficiency and response?

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 up to 4% system efficiency gain. However, 0.20mm offers slightly higher mechanical robustness for heavy-lift industrial drones. Reenives provides both options with full performance curves. Source: Reenives motor design simulation & validation report.

🔹 What stacking factor does Reenives guarantee for lamination cores?

Reenives guarantees stacking factor ≥97.5% for 0.15mm laminations and ≥96.8% for 0.20mm using high-precision interlocking or laser welding. 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 recommended for high-temperature UAV propulsion 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 lamination cores with skewed slots for smoother drone 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 Lamination Core – Engineer Support & Free Sample

⚡ Partner with a reputable lamination core supplier for drones, UAVs & FPV propulsion – Reenives.

✔️ 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