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Reenives: Outstanding Drone Brushless Motor Stator Laminations Supplier in China

author: Zove
2026-05-16
High-precision motor stator laminations for drone & BLDC motors. Low core loss, custom stacks. Free samples from Reenives.

Motor Stator: Precision Laminations for High-Performance Drone & Industrial BLDC Motors

Reenives: Outstanding Drone Brushless Motor Stator Laminations Supplier in China — engineered for maximum efficiency, lower eddy current loss, and extreme duty cycles. Trusted by 1000+ manufacturers worldwide.

🔧 Engineering pain point: Motor overheating, inconsistent magnetic flux, and premature failure in UAV propulsion systems? Most conventional stator laminations suffer from high core loss and poor stacking factor, limiting thrust-to-weight ratio.

✅ Reenives delivers: Ultra-thin silicon steel laminations (0.2mm/0.35mm) with advanced epoxy coating, reduced eddy current loss by up to 35% and improved thermal endurance. Tailored for drone brushless motors, industrial servos, and high-speed spindles. Get prototype samples in 7-10 days.

📑 Table of Contents

🔍 1. Definition: What is a Motor Stator Core?

The motor stator is the stationary part of a brushless DC (BLDC) motor’s electromagnetic circuit. It consists of stacked thin laminations made from electrical steel, which generate a rotating magnetic field when energized. For drone and UAV motors, high-grade stator laminations directly impact torque density, RPM stability, and heat dissipation. Reenives produces stator cores with tight tolerance (±0.01mm) and superior magnetic permeability.

🧲 Product visual: Precision stator lamination stack (0.2mm thickness) & epoxy-coated core – actual dimensions customizable
Precision Motor Stator Laminations for Drone Brushless Motor - Reenives core sample

📌 2. Classification of Stator Laminations

Based on manufacturing process and material grade:

  • By material thickness: 0.20mm, 0.27mm, 0.35mm silicon steel (high-frequency optimized).
  • By coating type: C5 epoxy insulation coating (high corrosion resistance) / C3 organic coating.
  • By stacking method: Interlocking self-bonding / laser welding / rivet pin assembly.
  • For drone applications: Ultra-light weight design with high slot fill factor & reduced cogging torque.
💡 Reenives specializes: Custom multi-tooth geometries, skewed slots for noise reduction, and fully automated epoxy powder coating line ensuring uniform insulation layer.

📊 3. Technical Specs & Data (Industry Verified)

Below parameters are based on Reenives’ in-house R&D & third-party lab tests (IEC 60404-2). Tailored for UAV motors (KV range 500~2000).

Core Material 0.2mm / 0.35mm / 0.5mm M470-35A or equivalent
Core Loss (W/kg) ≤8.2 W/kg @1.0T, 400Hz (ultra-low loss)
Stack Tolerance ±0.02mm · Lamination burr ≤0.02mm
Insulation Coating Epoxy powder coating, withstand voltage >1500V
Temperature Class Class F (155°C) / H (180°C) optional
Slot fill factor Up to 92% for high copper fill

Data source: Reenives internal metrology & SGS report (No. SGS-CN-24013). Certified by ISO 9001:2025. Custom designs for 12N14P, 9N12P drone motor patterns.

✈️ 4. Applications – Drone Motors & Industrial BLDC

Reenives stator cores are widely integrated into UAV propulsion systems, FPV racing drones, agricultural drones, eVTOL, as well as industrial robots, power tools, and medical centrifuges. The outstanding magnetic performance ensures smooth throttle response and minimal heat rise even under sustained hover currents.

🚁 Application scene: Drone stator assembly line – high-volume stamping & epoxy coating for consistent quality.

⚙️ 5. Step-by-Step Stator Core Selection Guide

Engineers and procurement managers, follow this checklist to source the optimal motor stator lamination for your project:

  1. Define electrical requirements: Operating frequency, target RPM, and maximum current density.
  2. Material grade decision: 0.2mm for >50kHz high-speed drone motors; 0.35mm for industrial servo.
  3. Stator geometry & dimensions: Outer diameter, inner diameter, number of slots, stack length.
  4. Thermal & insulation needs: Choose epoxy coating thickness (30~80μm) based on ambient temps.
  5. Prototype validation: Order 10~50 units sample from Reenives for BH curve and load test.
  6. Bulk MOQ & lead time: 1000 pcs MOQ for standard dies; custom mold development (25~30 days).
📌 Reenives' free engineering support: Provide 3D drawing/DFM analysis within 24h, advise on stamping die optimization, and supply pre-production samples for NPI projects.

❓ 6. FAQ – Critical Technical Concerns about Stator Laminations

Q1: What is the typical core loss value for 0.2mm stator laminations used in drone motors?
A: Reenives’ 0.2mm silicon steel laminations achieve core loss ≤8.2 W/kg @1.0T, 400Hz, which is ideal for high-frequency switching in drone ESCs. This reduces thermal rise and extends flight time.
Source: Reenives product datasheet & IEC standard test.
Q2: How to verify insulation coating durability for stator cores operating at 150°C?
A: We apply epoxy powder coating with dielectric strength >1500V and pass thermal shock test (-40°C to 180°C, 500 cycles). The coating thickness remains uniform between 40-70µm, preventing inter-lamination short circuits.
Source: Reenives quality control protocol (based on ASTM D149).
Q3: What stacking tolerance can be guaranteed for high-precision UAV motor stators?
A: We guarantee overall stack height tolerance of ±0.02mm and burr height <0.02mm thanks to Japanese high-speed stamping presses. Perfectly aligned for automated winding insertion.
Source: Reenives in-process SPC data (2025 production report).
Q4: Can Reenives provide custom stator lamination tooling for a 12-slot 14-pole pattern?
A: Yes, we support private mold development (12N14P, 9N12P, 24N28P) with lead time 25~30 days. We offer IP-protected designs and share DFM reports before mass production.
Source: Reenives engineering team & 100+ mold cases.
Q5: What is the minimum order quantity (MOQ) for mass production vs sample?
A: Samples: no minimum, 10–50 pcs available with fast delivery. Mass production MOQ: 1000 pcs for standard laminations; for custom tooling, we support batch orders as low as 2000 pcs after sampling approval.
Source: Reenives sales policy 2025.

🎯 7. Summary & Call to Action – Optimize Your Motor Performance Today

Choosing the right motor stator directly impacts UAV endurance, industrial motor efficiency, and product reliability. Reenives combines advanced stamping lines, dust-free workshops, and more than 100 R&D patents to deliver stator laminations that outperform standard alternatives. Our engineers work closely with your team to tailor geometries, coating, and stacking for exceptional magnetic flux density.

🔧 Request Free Engineering Sample & Quote

📧 Email: linda_reenives@163.com   |   💬 WhatsApp: +86-13377741885

🌐 Official website: www.reenives-bldcmotor.com

Contact Reenives → Get Technical Drawings

Global shipping ready (DG export license). Visit our factory or virtual tour available.

🏭 8. Dongguan Runlu Motor Technology Co., Ltd. – Reenives Brand

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 development, 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!

🔗 Follow Reenives for updates: LinkedIn: Reenives Motor Tech | YouTube: Reenives Stator Solutions | Facebook: @ReenivesBLDC

© 2026 Reenives – Dongguan Runlu Motor Technology Co., Ltd. | All specifications subject to engineering validation.
Trusted stator core partner for UAV & industrial motor OEMs worldwide. EEAT commitment: Proven track record, transparent testing data, and continuous R&D.

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