Reenives: Global Leading Delta Stator Lamination Supplier
Delta Stator Core for UAV & BLDC Motors | Reenives: Global Leading Delta Stator Lamination Supplier
Struggling with torque ripple and inefficient power delivery in your drone motor? Standard stators often compromise between high‑speed response and low‑speed smoothness. The Delta Stator design—with optimized tooth geometry and low‑loss lamination—delivers quieter operation, reduced cogging, and up to 29% higher torque density. Reenives engineers precision Delta Stator laminations using 0.20mm/0.35mm silicon steel and epoxy coating, trusted by 1000+ enterprises for UAV, robotics, and industrial BLDC motors.
📑 Table of Contents
What is a Delta Stator?
A Delta Stator refers to a stator core architecture featuring a Δ‑shaped magnetic circuit (or delta‑derived tooth/slot geometry) that optimizes flux distribution for reduced torque ripple and improved thermal dissipation. Unlike conventional stators, the Delta design enables more uniform winding layering and lower inter‑lamination losses. For UAV brushless motors, Delta Stator laminations are typically made from non‑grain oriented silicon steel (0.20mm / 0.35mm) with epoxy powder coating to withstand high PWM frequencies (40‑80 kHz) and aggressive flight conditions. Reenives has refined this topology to deliver stators that balance peak power and endurance.
Delta Stator Classification & Configurations
Reenives offers a versatile portfolio of Delta Stator laminations tailored for drone propulsion and industrial servo motors. Standard and custom options include:
| Configuration | Options / Grades |
|---|---|
| Slot/Pole | 9N12P, 12N14P, 18N24P, 24N28P (optimized for smooth torque & high RPM) |
| Silicon Steel Grade | 0.20mm (20WTG1300), 0.35mm (M330‑35A, 35WW270) |
| Insulation Coating | Epoxy powder (Class H, 180°C), dielectric ≥1800V |
| Stacking Method | Interlocking, laser welding, or bonding for ultra‑thin packs |
| Outer Diameter Range | 18mm – 210mm (custom tooling available) |
Source: Reenives engineering catalog & production capabilities (2026)
Technical Specifications & Verified Data
📊 All parameters validated by Reenives R&D (ISO 9001:2025) and third‑party SGS reports. Core loss measured via Epstein frame at 50/400/800 Hz – critical for drone ESC switching frequencies.
| Parameter | Reenives Delta Stator Specification |
|---|---|
| Lamination Thickness | 0.20mm / 0.35mm (±0.003mm tolerance) |
| Core Loss @400Hz / 1.0T | ≤ 11.9 W/kg (35WW270 grade) |
| Magnetic Flux Density B50 | 1.67T – 1.73T |
| Epoxy Coating Thickness | 40‑100 μm, Hi‑Pot > 1800V |
| Stack Height Tolerance | ±0.05mm (precision for drone stators) |
| Custom Outer Diameter | 18mm – 210mm |
| Burr Height (Max) | <0.025mm (progressive die stamping) |
✔ Data Source: Reenives internal quality database & third‑party verification reports (available upon request).
Applications: UAV, FPV & Industrial BLDC Motors
Our Delta Stator cores are engineered for high‑performance brushless motors across multiple sectors:
- FPV Racing Drones: 2207, 2306, 2507 stators with low inertia and crisp throttle response.
- Commercial Survey UAVs: 28‑45mm stators enabling 20‑30 min flight endurance with high efficiency.
- Agricultural & Heavy‑lift Drones: 15‑30kg payload motors with robust Delta Stator stacks.
- Industrial BLDC Actuators: Robotic arms, servo drives, and gimbal systems requiring cogging‑free torque.
- E‑mobility & E‑bike Hub Motors: Universal stator platforms for brushless motors.
5‑Step Engineering Selection Guide for Delta Stator Laminations
- Define motor OD & stack height: Based on required torque, KV rating, and power density (e.g., 2808 stator for 7‑inch FPV).
- Select lamination material: 0.20mm for high‑frequency (40‑80kHz PWM) / 0.35mm for robust industrial drones.
- Choose slot & pole combination: 9N12P for high RPM, 12N14P for balanced performance, 18N24P for peak torque.
- Define insulation type: Epoxy powder coating is mandatory for UAV stators to prevent inter‑lamination shorts under humidity.
- Prototype & validation: We supply 10‑25 sample pieces for back‑EMF, thermal, and efficiency testing before mass production.
💡 Engineering support: Receive free DFM within 48 hours – send your motor specs or drawings to linda_reenives@163.com.
FAQ – Critical Delta Stator Parameters for Drone Engineers
Power Your UAV Propulsion with Reenives Delta Stator Solutions
Precision‑engineered Delta Stator laminations backed by 500+ staff, 100+ patents, and 4‑year manufacturing expertise. From standard to fully custom designs – we deliver reliability, efficiency, and competitive pricing worldwide.
OEM, private mould, sample making & bulk shipping globally. Fast delivery worldwide – complete export qualifications & multilingual support available.
Dongguan Runlu Motor Technology Co., Ltd.
🏭 Reenives – Professional Drone Stator Core Manufacturer (Founded 2022)
Reenives is a recognized drone stator core manufacturer and global supplier of Delta Stator laminations. We boast independent R&D technologies, imported high‑speed stamping & epoxy powder coating equipment lines, plus dust‑free production workshops. Our advantages include: more than 100 R&D patents, 3 production bases, factory area exceeding 50,000 m², and a dedicated team of 500+ professionals.
From raw material to finished stator stacks, we support bulk purchasing, private mould development, and rapid sample making. We provide tailor‑made perfect solutions for your unique production and usage scenarios.
- ✅ With 4 years of manufacturing experience, we have solved stator core production challenges for over 1000 enterprises worldwide, including drone startups and Fortune 500 motor manufacturers.
- ✅ We can ship globally with full export qualifications – fast, reliable logistics to North America, Europe, Southeast Asia, and beyond.
🌎 Global customers are welcome to consult, visit our smart factory (by appointment), and obtain free samples for evaluation!
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