Explore our industrial micro-motors offering customized voltages, custom gear ratios, and high operational reliability.
An in-depth analysis of low-RPM torque output, stator-rotor airgap designs, and high-integrity metallurgical gear trains.
The AC shaded pole motor is a simplified form of single-phase induction motor, utilizing a salient-pole stator and a squirrel-cage rotor. The key mechanical characteristic is the inclusion of "shading coils"—heavy, single-turn copper rings wrapped around a designated segment of each stator pole.
During the excitation phase of the main winding, the alternating magnetic flux induces a lagging secondary current in the shading coil. This creates a spatial and temporal phase offset in the magnetic flux distribution across the pole face, establishing a weak rotating magnetic field. This field generates the starting torque required to spin the squirrel-cage rotor without capacitors or starting switches.
Since the base asynchronous speed of a 2-pole shaded pole motor ranges between 2,800 to 3,200 RPM at 50/60Hz, achieving operational speeds under 100 RPM requires high-precision reduction gearboxes.
By employing multi-stage helical and spur gear trains configured inside robust zinc-alloy or aluminum die-cast housings, we effectively step down output speeds down to 1.5 RPM, while multiplying the operational torque up to 150 kg.cm (22 N.m). The gears are treated with proprietary heat-treatment cycles and matched with premium synthetic gear greases to sustain continuous operation over a long lifespan.
Preserving core manufacturing values to ensure zero-defect drive configurations.
At TorqFlex, we measure our success in micrometers and decibels. We understand that inside a premium robotic joint, a medical dosing pump, or a high-end smart lock, space is the ultimate luxury. Our mission is to pack maximum torque, unyielding durability, and near-silent acoustics into the most compact footprints imaginable.
Our expertise lies in the harmony of miniature engineering. From precision-wound rotors and high-purity copper commutators to custom-designed planetary gearheads, every component inside a TorqFlex micro motor is optimized for low energy consumption and a friction-free lifespan.
We constantly push the limits of micro-drive tech, utilizing advanced automated Swiss-style hobbing and Japanese dynamic balancing to ensure that our internal gear trains operate with zero-backlash precision. When the integrity of your high-tech device hangs on repeated mechanical perfection, TorqFlex delivers the silent power that anchors your design.
Every gear motor passes through a structured, multi-stage production sequence to guarantee mechanical excellence.
1. Raw Material
2. Soldering
3. Assembling
4. Testing
5. Packing
6. Storage
Equipped with high-precision CNC machinery and automatic assembly lines to fulfill bulk custom orders.
Ningjiang Machine Tool
Horizontal Gear Hobbing
Lathing Machine
Milling Machine
Industrial Drying Oven
Gear Riveting Machine
Packing Machine
Pneumatic Press
Manual Pressing
CNC Wire Winder
Injection Molding
Slow NC Wire Cut
EDM Machine
Precision Hobbing
Automatic Dispenser
We ensure compliance with international certifications including UL, CE, RoHS, and REACH through extensive laboratory testing.
R&D Design Center
Temp & Humidity Lab
Anachoic Noise Chamber
Salt Spray Chamber
QC Dimension Checking
Thermal Stress Rig
Acoustic Decibel Test
Corrosion Analysis
Torque Dynamometer
Metal Hardness Tester
2.5D Video Projector
Continuous Aging Rack
Comprehensive Motor Tester
Metallographic Microscope
Digital Wave Oscilloscope
Ultra-Quiet Soundproof Lab
Magnetic Powder Brake
Combining complete supply chain integration with advanced lean manufacturing principles.
Our facility is situated in China's premier electromechanical industrial cluster. This provides direct access to high-purity silicon steel laminations, oxygen-free copper coils, and engineered plastics at competitive pricing. This proximity enables efficient supply chain routing, fast material handling, and consistent quality from raw inputs to final assembly.
Equipped with Swiss-type Hobbing units and Ningjiang CNC machine tools, our gear machining centers run with micro-level tolerances. Every gear train undergoes automated backlash calibration. This ensures high torque transfer efficiency, minimal rotational play, and silent operation in residential applications.
Our in-house R&D engineering team offers rapid prototyping services for custom shafts, custom mounting brackets, and custom electrical terminals. We support OEM/ODM designs tailored to specific customer application needs. Our systems handle adjustments to motor coils, housing options, and custom voltage ratings efficiently.
Reliable micro-drive performance across diverse applications, from high-temperature ovens to smart residential appliances.
Requires high torque capabilities (100 kg.cm+) to clear pellet blockages. Our 1.5 RPM, 2 RPM, and 3.5 RPM gear motors deliver consistent fuel delivery, keeping operations reliable under continuous-duty, high-heat stove conditions.
Operating inside high-ambient-temperature environments demands insulation classes up to Class H (180°C). Our 230V ovens and barbecue gear motors utilize specialized high-temperature-rated synthetic lubricants and robust thermal cutout switches to prevent insulation breakdown.
Operating in damp conditions risks internal motor oxidation. Our gearboxes are built with protective seals and anti-corrosive shaft plating. This prevents moisture ingress and ensures long operational life in food and beverage systems.
Our manufacturing setup meets the needs of high-volume industrial buyers. We maintain quality controls at every stage, offering tracking from design through to raw materials and final assembly. Our testing laboratory verifies every production batch before shipment.
We work with international logistics providers to ensure timely delivery of volume orders. By maintaining clear production steps and strict quality controls, we provide stable, reliable gear motors for high-demand consumer and industrial products.
Understanding critical compliance standards, quality certifications, and custom development lifecycles.
We provide UL compliance for the North American market, CE certification for European distribution, and RoHS/REACH compliance across our materials catalog.
Our testing equipment includes life-test rigs, noise chamber verifications, and salt spray testing. We verify performance up to 25,000 continuous hours for high-spec industrial platforms.
We offer custom shaft dimensions, tailored wire lengths, specialized terminal block assemblies, and specific gearbox configurations to match exact application space limits.
Technical answers to common questions about performance limits, noise reduction, and custom engineering.
A: Shaded pole gear motors are valued for their mechanical simplicity and cost-effectiveness. Lacking start capacitors, centrifugal switches, or internal starting contacts, they are highly reliable and resistant to dust and ambient humidity. They offer self-starting capability, quiet operation, and low maintenance, making them suitable for low-RPM applications like pellet stove feeders, damper controls, and rotisseries.
A: Low-noise operation is achieved by balancing the motor's electrical and mechanical systems. We utilize high-precision horizontal gear hobbing to produce gears with minimal pitch variation, reducing gear mesh vibration. Additionally, we use soundproof testing rooms and dynamic balancing machines to analyze and damp vibration before final packaging.
A: We use high-grade insulation materials (Class B, F, or H) that withstand sustained temperatures without degrading. Stator windings are impregnated under vacuum to improve heat dissipation. We also integrate automatic-reset thermal cutoff switches or impedance protection, cuting power if temperatures exceed design limits to prevent motor burnout.
A: Yes, speed control can be achieved by using solid-state voltage controllers (triac controllers) to adjust stator voltage, or by using multi-tapped stator windings for distinct speed levels. Because these motors are asynchronous, speed control is most effective when paired with steady mechanical loads.
A: The primary limiting factors are bearing wear and gear lubrication breakdown. To manage this, we offer double-shielded ball bearings for heavy radial loads and oil-impregnated sintered bronze sleeve bearings for lighter, quiet runs. We match the gear grease composition to the intended operating temperature, helping extend the motor's lifespan up to 25,000 hours.
Explore additional configurations, featuring various power ratings, torque values, and reduction gearbox options.
TorqFlex Motor
