Featured Micro-Drive Portfolio
High-efficiency, custom-engineered planetary, worm, and brush/brushless electromagnetic geared motors.
Driving Global Industries with Precision Micro-Drives
ISO9001 Certified Excellence
Based in China's manufacturing heartland, Quark Motion executes advanced engineering with global compliance protocols. Every planetary and worm gear motor under our brand complies with strict international tolerance regulations.
20 Years of Strategic Innovation
We design critical drivetrain configurations for high-end medical pumps, aerospace automation, automotive components, and clean energy appliances. Our R&D processes deliver high-torque density in minimal installation envelopes.
Bespoke Customization Systems
From exact mechanical shaft profiles and electrical voltage profiling to advanced structural housing and integrated magnetic pole architectures, our engineering team handles customization projects for global OEMs.
Physics of Contactless Power Transmission & Market Overview
Modern mechanical systems face challenges with wear and tear, noise pollution, and operational lifespans. As industries shift toward automation, magnetic gear motors provide a contactless power solution. By using permanent magnetic fields instead of physical tooth engagement, these systems transfer energy across magnetic gaps, eliminating friction, lubrication needs, and mechanical wear.
Magnetic gear technology utilizes concentric rings of permanent magnets with alternating pole orientations, separated by ferromagnetic steel poles. As the high-speed rotor spins, it creates a rotating magnetic field that interacts with stationary modulator poles to drive the low-speed rotor. This provides built-in overload protection: if the system exceeds its peak torque capacity, the magnetic fields slip safely without causing mechanical breakage, making it ideal for high-reliability medical, defense, and subsea operations.
20K+
Rated Operational Hours
98%
Transmission Efficiency
100%
Contactless Safety Protection
0%
Lubrication Maintenances Required
Global Enterprise Procurement Requirements
OEM buyers look for motor designs that balance high performance with lower long-term operating costs. Procurement focus is shifting from simple initial purchase prices to total cost of ownership (TCO). High-torque planetary drives, like the Shunli High Torque Brushless Planetary Gearbox, provide long service life and high efficiency, reducing maintenance overhead in critical installations.
Global logistics networks also require supply chain traceability, environmental compliance (RoHS/REACH), and reliable motor components. Quark Motion meets these requirements by maintaining strict control over raw materials, utilizing automated testing equipment, and providing complete verification documentation for international audits.
Industrial Solutions & Verticals
New Energy Automobiles
Modern electric vehicles require auxiliary drives that run quietly and handle thermal fluctuations. Our brushless planetary gearboxes, like the 36mm planetary gearbox series, provide torque-dense performance in space-constrained EV applications, including thermal management systems, battery cooling actuators, and charging locking mechanisms.
Aerospace & Subsea Robotics
In vacuum environments and deep sea operations, traditional lubricants can break down or fail under high pressure. Quark Motion's contactless drive options operate without grease, preventing contamination risks in cleanrooms, optical instruments, and deep-sea exploration equipment.
Smart HVAC & Biomass Combustion
Heavy industrial environments, such as pellet stoves and industrial boilers, require high-torque performance under continuous operation. Our shaded pole gear motors (e.g., Asynchronous Shaded Pole Gear Motor) offer reliable performance for fuel feed systems and exhaust extraction fans.
Contactless vs. Contact Gear Systems
| Performance Metrics | Contactless Magnetic Gearing | Traditional Mechanical Gearbox |
|---|---|---|
| Acoustic Footprint | Whisper quiet (<30 dBA) - No mechanical teeth contact | Audible friction noise (45 - 65 dBA) |
| Average Life Cycle | Extremely long (>20,000 hrs) - Limited only by bearings | Short to moderate (5,000 - 10,000 hrs) - Teeth wear out |
| Overload Protection | Slip functionality prevents drive train failure | Shear pin failure or gear teeth shearing |
| Lubrication and Maintenance | Zero maintenance, zero grease required | Regular grease application and seal maintenance |
| System Efficiency | 95% - 98% | 80% - 90% (losses due to friction) |
Technical Roadmap & Production Metallurgy
Our technical development focuses on advanced magnetic materials and optimized coil designs. We use computer-aided FEA (Finite Element Analysis) to simulate magnetic flux paths, helping us maximize torque density while minimizing cogging torque. By refining the shape and placement of permanent magnet arrays, we reduce torque ripple to under 1.5% for high-precision motion control.
Our research team also focuses on thermal stability. Motors can lose magnetic performance under high temperatures. To prevent this thermal degradation, we use high-grade NdFeB and SmCo magnets with protective coatings. These materials allow our motors to maintain reliable torque output even under continuous operation at temperatures up to 150°C.
For low-speed, high-torque applications, we optimize worm gear systems to increase durability. Our customized worm micro gear motors (such as the Shunli Custom Worm Micro Gear Motor 12v 24v 36v 25kg 190rpm) feature hardened steel worms paired with bronze alloy gears. This combination reduces heat generation and provides reliable self-locking capabilities for heavy load positioning applications.
Industrial Manufacturing Base & Testing Facilities
Our facility is equipped with automated assembly machinery and quality control systems to ensure precision manufacturing.
Localization, Global Logistics & Compliance
We provide comprehensive support for global clients, ensuring all technical and compliance documentation matches destination market requirements. Our products undergo rigorous certification to ease import procedures for international partners.
Regulatory Compliance
Our components carry complete CE, UL, RoHS, and REACH certifications. We provide full material declarations to simplify the supply chain compliance process for your engineering and purchasing teams.
Quality Assurance Documentation
We provide comprehensive inspection reports, including Coordinate Measuring Machine (CMM) data, gear profile analyses, and dynamometer test results, verifying that each production batch meets the specified design tolerances.
Frictionless Global Shipping
We handle international shipping requirements, including customs documentation, special protective packaging to prevent magnetic interference during transport, and coordinate with global freight partners for on-time delivery.
Technical FAQ: Magnetic & Planetary Gear Systems
Common questions answered by our engineering team regarding design, customization, and application requirements.
Full Micro-Drive Series
Explore additional micro-drive models engineered for consumer electronics, industrial machinery, and automotive systems.
