Lihua Motor Micro DC Motor Production Line Overview
As an industry-leading manufacturer of micro DC motors, we have established a modern three-floor production facility spanning over 15,000㎡, equipped with 20 fully automated production lines dedicated to manufacturing a complete range of micro to medium-sized DC motor products.
▌ Stratified Production Layout
1F Large & Medium Motor Workshop
• Main Models: RS/RK/RF Series (Diameter 32-42mm)
• Core Products:
High-Torque Models: RS-775 (Peak Torque 3.2N·m)
Precision Control Models: RK-3332 (±2% Speed Accuracy)
Industrial-Grade Models: RS-550 (IP54 Protection)
• Line Features: Heavy-duty robotic arms, automatic dynamic balancing systems
2F Medium Motor Workshop
• Core Series: 370/500 Series & Gear Motor Variants
• Typical Applications:
RK-370FA: Medical Equipment Edition (Noise ≤40dB)
RF-500SH: Automotive Actuator Version (-30℃~105℃)
• Technical Highlights:
Automatic Winding Machines (±0.02mm Precision)
Vacuum Impregnation Equipment
3F Micro Motor Workshop
• Flagship Products:
Ultra-Micro: N20 (Φ10mm), K10 (Φ6mm)
Cost-Effective: RF-300 Series (Monthly Output 500K Units)
Special Models: RK-2238 (Anti-Corrosion Coating Version)
• Core Processes:
Precision Micro Gear Stamping
Fully Automated Laser Welding
▌ Production Capacity
• Output Configuration:
Single Shift: 200K Units/Day (3-Shift Max 600K/Day)
Annual Capacity: 50M+ Units
• Quality System:
20 Online Inspection Points (Including Full Torque/Current/Noise Checks)
2023 Average Pass Rate: 99.2%
• Workforce:
300 Professionals (Including 25 QE Engineers)
All Staff IATF16949 Certified
▌ Core Equipment List
| No. | Equipment Name | Model | Quantity |
| 1 | Final Assembly Grinder | 370 Series | 7 units |
| 2 | Final Assembly Grinder | 3 Series | 3 units |
| 3 | Final Assembly Grinder | 520 Series | 2 units |
| 4 | Final Assembly Grinder | 500 Series | 2 units |
| 5 | Final Assembly Grinder | 130 / 180 | 1 unit |
| 6 | Final Assembly Grinder | 320 | 1 unit |
| 7 | Automatic Winding Machine | 1698D | 85 units |
| 8 | Automatic Balancing Machine | AB3S | 27 units |
| 9 | Precision Turning Machine | Full Series | 16 units |
| 10 | Automatic Stator Machine | Full Series | 26 units |
| 11 | Automatic Brush Inserting Machine | Full Series | 24 units |
| 12 | Automatic End Cover Machine | Full Series | 23 units |
| 13 | Motor Clearance Machine | Full Series | 25 units |
| 14 | Rotor Accessories Machine | Full Series | 23 units |
| 15 | Automatic Stacking & Riveting Machine | Full Series | 19 units |
▌ Special Processes
✓ Medical-Grade Motors Clean Room (Class 10000)
✓ 48-Hour Burn-in Test Chambers for Automotive Motors
✓ X-Ray Inspection Stations for Military Products
Our MES system enables full-process traceability, with real-time monitoring of 200+ critical parameters from raw material intake to finished product delivery, ensuring every motor meets stringent client requirements.
Lihua Motor – Expert in Professional ODM/OEM Services for Micro DC Motors Under 36V
As a leading manufacturer in the field of micro DC motors, Lihua Motor provides comprehensive customization services for global clients, specializing in the design and production of micro DC motors with voltages below 36V and housing diameters ranging from 5.4mm to 45mm. With 20 years of technical expertise and advanced manufacturing capabilities, we fully customize key parameters such as current, torque, and speed to meet the driving requirements of various industries for specialized applications.
Core Customization Capabilities
Full-Range Electrical Performance Customization
Voltage range: Flexible configuration from 1.5V to 36V DC, supporting lithium batteries, power adapters, and other power supply solutions
Current optimization: No-load current as low as 10mA, load current supporting up to 5A continuous output
Torque adjustment: Precise matching from 0.1mN·m to 500mN·m (±3% tolerance)
Speed control: Adjustable from 100RPM to 20,000RPM, with ±2% high-precision versions available
Precision Mechanical Adaptation
Miniaturized design: Smallest diameter of 5.4mm (K-series ultra-micro motors)
Medium/large solutions: Maximum housing size of 45mm (RS industrial-grade motors)
Special materials: Stainless steel, aluminum alloy, PPS engineering plastic, and other housing options
Smart Control Integration
Optional encoders (incremental/absolute)
Supports PWM/analog signal speed control
Built-in temperature/overcurrent protection circuits
Typical Application Scenarios
Medical devices: Insulin pump drive motors (quiet operation ≤45dB)
Automotive electronics: Throttle control motors (wide-temperature version: -40℃~125℃)
Industrial automation: Precision valve actuators (high torque: 0.01Nm)
Consumer electronics: Electric toothbrush motors (low-power 3.7V design)
ODM/OEM Service Advantages
✅ Flexible Production System:
20 automated production lines, monthly capacity of 5 million units
Supports small-batch trial production from 100pcs
