Reenives: Reputable Drone UAV FPV Lamination Motor Stator Stacks Supplier in Brazil

author: Zove

2026-04-29

Precision lamination motor stator cores reduce eddy loss & heat. Boost drone/BLDC efficiency. Reenives – trusted China supplier.

Lamination Motor Stator Stacks for Drone, UAV & FPV – Engineered for Efficiency & Reliability

🇧🇷 Trusted by Brazil's UAV & FPV Industry – Fast Delivery & Technical Support

🔥 Overheating torque drop? Short flight endurance? For drone, UAV and FPV motor designers, the lamination motor stator stack is the heart of electromagnetic performance. Inferior stamping or wrong material kills power density and increases iron loss dramatically.

That's why Reenives has become a reputable drone UAV FPV lamination motor stator stacks supplier in Brazil. We deliver precision-engineered stator stacks using 0.20mm ultra-low loss silicon steel, advanced epoxy coating, and strict burr control. Whether you manufacture agriculture drones in São Paulo or FPV racers in Minas Gerais, our tailor-made stator stacks boost motor efficiency by up to 18% and prolong lifespan. This technical guide is written for engineers and procurement specialists seeking verifiable data and reliable China-Brazil supply chain.

📑 Table of Contents

1. What is Lamination Motor Stator Stack?
2. Classification for UAV/FPV Motors
3. Technical Parameters & Data Source
4. Key Applications (Drone & Beyond)
5. 6-Step Engineering Selection Guide
6. FAQ – Core Stator Stack Pain Points
7. Free Sample & Custom Quote
8. About Reenives – Dongguan Runlu Motor Technology

📌 What Is a Lamination Motor Stator Stack?

Lamination motor stator stack for drone UAV FPV - Reenives reputable supplier

Fig 1: High-density lamination stator stack – epoxy coated, 0.20mm grade, ready for UAV propulsion motors (Reenives production).

A lamination motor stator stack (core) consists of multiple thin electrical steel laminations insulated from each other to restrict eddy currents. In high-frequency BLDC motors for drones (20kHz-40kHz PWM), laminated construction is critical to avoid excessive core loss and heat generation. Reenives manufactures stator stacks using fully automated progressive dies and epoxy powder coating, ensuring consistent thickness, high stacking factor (>96.5%) and excellent magnetic orientation.

🏗️ Classification of Stator Stacks for UAV & FPV Motors

Based on geometry, assembly, and insulation method, Reenives classifies stator stacks into three major types:

Segmented stator stacks – Each segment is separate for easier winding insertion; ideal for high pole-count drone motors (12N14P, 24N28P).
Integrated one-piece stacks – Full ring construction for maximum structural rigidity, used in industrial BLDC and heavy-lift UAVs.
Coating classification: Epoxy powder coating (Reenives standard – best for high humidity/thermal stress), phosphate coating (cost-effective), or oxide layer.

Reenives supports private mould development – any slot/shoe shape, outer diameter from 12mm to 200mm, stack height up to 80mm, ideal for custom Brazilian drone projects.

📊 Technical Specifications & Verified Data Sources

All values derived from IEC 60404-2 standards and Reenives in-house lab (2025 validation). Steel grade options: 20WTG1300 (0.20mm), 27WTG1400, 35W270.

Parameter	Specification (Drone / FPV Focus)	Test Standard / Source
Material thickness	0.20mm (optimum for 30k-60k RPM), 0.27mm, 0.35mm	Micrometer / ASTM A34
Iron loss (W/kg) @ 400Hz, 1.0T	≤ 11.8 W/kg for 0.20mm grade	Epstein frame / IEC 60404-2
Stacking factor	≥ 96.8% (precision interlock stacking)	Weight / volume method
Insulation coating type	Epoxy powder coating (green insulation)	Dielectric test ≥1800VAC
Thermal class	Class H (180°C continuous)	IEC 60085
Outer diameter range	12mm – 200mm (custom molds available)	Reenives engineering catalog
Burr height control	≤ 0.015mm (max)	Vision measurement / JIS C 2550

📌 Source: Reenives internal test report #RV-2408 & SGS certification. Additional data available for Brazil customers upon request.

✈️ Applications – Drone, UAV, FPV Racing & General BLDC

Reenives stator stacks are engineered for high power density and durable performance across multiple sectors:

Drone propulsion motors (agricultural spraying, delivery, surveillance UAVs)
FPV racing motors – ultra-fast response, minimal eddy current loss at high RPM
eVTOL and air mobility prototypes – lightweight and high torque density
Industrial servos, robotics, and electric power tools (general BLDC compatibility)

FPV drone motor using lamination motor stator stack – Reenives Brazil supply

Fig 2: Typical outrunner BLDC motor for FPV drone – stator stack by Reenives ensures smooth throttle response and thermal stability.

🔧 6-Step Engineering Selection for Lamination Motor Stator Stacks

Define operating frequency & RPM range: High-speed FPV >50kRPM → 0.20mm thickness; heavy-lift UAV <15kRPM → 0.27/0.35mm.
Calculate magnetic flux density (B) requirement: Use motor simulation (Maxwell, Motor-CAD). Reenives provides material B-H curves.
Choose stator geometry: Outer diameter, slot number, tooth width based on torque density targets.
Select insulation coating: Recommended epoxy powder coating for Brazil's tropical humidity and dust-prone environments.
Specify stack height tolerance and flatness: Reenives guarantees ±0.05mm on height and parallelism ≤0.03mm.
Request samples & validation: Reenives offers free samples for eligible OEMs; perform back-to-back dynamometer test to validate iron loss.

✅ Reenives supports rapid prototyping and private mould development with typical lead time 12-18 days for sample stacks. Shipping to Brazil via DDP or air freight available.

❓ FAQ – Stator Stack Performance & Technical Concerns (Engineer-Focused)

Q1: Which lamination thickness gives lowest core loss for high-speed FPV motors (over 60,000 RPM)?

For extreme RPM and high-frequency PWM, the optimal choice is 0.20mm non-oriented silicon steel. Reenives offers 20WTG1300 grade with iron loss ≤11.8 W/kg @400Hz, 1.0T, which reduces eddy loss by 28% compared to 0.35mm material.

Source: Reenives material datasheet & IEC 60404-2 validation

Q2: What insulation coating do you apply to prevent interlaminar shorts in drone motors?

Every Reenives stator stack receives epoxy powder coating (green layer) with a withstand voltage of 1800VAC and thermal class H (180°C). This coating resists moisture, dust, and mechanical stress, ideal for tropical climates and dusty UAV operations.

Source: Reenives production standard (epoxy line specification V3.2)

Q3: What stacking factor can I guarantee for my motor simulation model?

Our precision interlock stacking achieves a minimum stacking factor of 96.8% (typically 97.2%). This ensures higher magnetic flux and reduces required copper volume.

Source: QA lot inspection report, average of 150 samples, 2025 Q1

Q4: Do you support custom stator stack shapes for unique drone motor designs?

Absolutely. Reenives provides private mould development with full design confidentiality. We produce any slot shape, outer/inner diameter, and stack height from 5mm to 80mm. Over 100 R&D patents enable rapid iteration.

Source: Reenives custom engineering service and patent portfolio

Q5: How to confirm the iron loss consistency across large batches?

We conduct Epstein frame sampling per lot and on-demand single-stack testing using a Brockhaus MPG test system. Each production batch comes with a certificate of analysis (COA) including iron loss, stacking factor, and insulation resistance.

Source: Reenives quality management system ISO 9001:2024

Q6: Can you ship quickly to Brazil? Any import support?

Yes, Reenives has exported to Brazilian drone manufacturers since 2023. We provide complete shipping documents, commercial invoice, and work with reliable logistics partners (DHL, FedEx Priority, sea freight). Average delivery to São Paulo: 7-9 days by air, 28-35 days by sea. We also assist with CNPJ requirements if needed.

Source: Reenives export department & recent Brazil shipping records

🎯 Summary + Request Free Sample (Brazil & Global)

🇧🇷 Reputable drone lamination motor stator stacks supplier for Brazil – Reenives delivers engineering excellence.

✔️ 0.20mm ultra-low loss ✔️ Epoxy insulation class H ✔️ Stacking factor >96.8% ✔️ ISO 9001 factory

📩 Get Custom Quote & Free Sample →

🌐 Official website: www.reenives-bldcmotor.com
📞 WhatsApp: +86-13377741885
✉️ Email: linda_reenives@163.com

Free samples available for qualified OEM/ODM partners. Virtual factory tour and technical consultation in English/Portuguese support.

🏭 Dongguan Runlu Motor Technology Co., Ltd.

⚡ Reenives – Professional Drone Stator Core Manufacturer Since 2022

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 on LinkedIn (Reenives Motor Tech) and Instagram (@reenives_stator) for latest case studies and drone motor stator innovations.