TeTe Motor
TeTe Motor
Discover our premium range of precision coreless brushed and brushless DC motors, optimized for medical tools, robotics, curtains, and high-speed RC model systems.
For modern electromechanical systems requiring micro-drive solutions, standard iron-core permanent magnet DC motors present significant limitations. The primary bottleneck is cogging torque (detent torque), which stems from the magnetic interaction between the iron teeth of the rotor and the permanent magnets of the stator. This interaction causes torque ripple, rotor vibration, and electromagnetic losses, restricting precision in applications such as surgical tools, aerospace actuators, and high-frequency optical focus drives.
Coreless (or slotless) DC motors redefine micro-drive architecture. By utilizing a self-supporting, skew-wound cylindrical rotor made entirely of copper wire, these motors eliminate the iron core from the rotating assembly. The coil rotates inside or around a stationary permanent magnet structure, delivering key mechanical advantages:
The lack of a heavy steel core allows the rotor to be exceptionally lightweight. This translates to incredibly low moment of inertia, enabling mechanical response time constants of less than 10 milliseconds. Acceleration is instantaneous and precise.
With no iron laminations in the rotor, there are no varying reluctance paths. The magnetic flux remains completely uniform, ensuring zero cogging, minimum torque ripple, and exceptionally smooth rotation at speeds below 10 RPM or above 25,000 RPM.
By maximizing the active copper volume within the air gap and pairing it with high-coercivity Neodymium (NdFeB) magnets, our coreless motors produce immense power relative to their micro scale.
| Performance Metric | Traditional Iron-Core DC Motors | TeTe Coreless DC Motors (Brushed/Brushless) | Key Engineering Benefit |
|---|---|---|---|
| Cogging & Torque Ripple | High (Causes vibration and acoustic noise) | Zero Cogging (Smooth, linear control) | Essential for surgical precision and optical stabilization |
| Rotor Inertia | High (Laminated iron core adds heavy mass) | Very Low (Self-supporting copper cylinder) | Allows dynamic start-stop cycles (Mechanical time constant <10ms) |
| Efficiency | 50% - 70% (Significant iron losses via eddy currents) | 80% - 90% (Losses restricted to copper and friction) | Maximizes battery life in portable and handheld devices |
| Service Lifespan | Moderate (Brush wear and rotor heat buildup) | Extended (Brushless options available, low heat footprint) | Reduces field failures and downtime in remote installations |
Established in 2006, TeTe Motor is a certified High-Tech China manufacturer specializing in high-performance Micro DC Motors, DC Gear Motors, and Brushless Motors (BLDC).
True to our name, we deliver Top Quality through ISO9001-certified automated production and 100% Customization through our dedicated in-house engineering team. From smart home devices to automotive electronics, we provide global OEM buyers and distributors with reliable, low-noise, and high-torque micro-drive solutions direct from the source. Partner with TeTe Motor today to get competitive factory pricing, rapid prototyping, and world-class B2B support.
Sourcing & Tooling Shop
Assembly Line Overview
CNC Machining Area
Inspection Bay
Micro Assembly Cleanroom
From raw wire winding to gear casing assembly, our ISO9001:2015 certified production ensures micron-level precision across every component.
Hobbing
Reducer Casing Assemble 1
Reducer Casing Assemble 2
Reducer Casing Assemble 3
Reducer Casing Assemble 4
Reducer Casing Assemble 5
Wire Winding
Soldering
Added Lubricating Oil Process
Assembling -1
Assembling -2
Brushless Motor Test
Gear Motor Test
Life Testing
Packaging
Precision and repeatability are critical for micro drive components. Human handling variations are eliminated using automated winders, balancing units, and laser welders.
Auto Locking Screw Machine
Automatic Winding Machine
Balance Instrument
Gear Hobbing Machine
High-Frequency Plastic Welder
Hot Press Machine
Inkjet Printer
Laser Spot Welding Machine
Polishing Machine
Riveting Machine
Riveting Press Machine
Semi-automatic Winding Machine
We operate a 100% inspection protocol on all critical parameters, verifying stator resistance, inductance, torque constants, shaft run-out, and sound levels. Below are the actual tools and labs used in our facility:
Brushless Motor Test
Gear Motor Test
Life Testing
Dimensional Test Equipment
Image Measuring Instrument
Life Tester
Life Testing System
Microscope
Motor Test System
RoHS Detector
Salt Spray Tester
Sclerometer
Vibration Testing Machine
Testing Room
High/Low Temp Tester
Motor Simulation Tester
Noise Tester
Sourcing precision coreless DC motors directly from our factory in China offers critical competitive benefits to B2B electronics and industrial buyers:
China refines over 85% of the world’s rare earth magnet materials. By manufacturing in Guangdong, we secure direct, low-cost access to grade-N52 Neodymium-Iron-Boron magnets. These high magnetic flux materials enable compact motors to achieve elevated torque density.
Our fully optimized automation processes (such as automatic winding and laser spot welding) lower labor overhead. This allows us to offer pricing up to 40% below comparable premium European and Japanese brands without compromising tolerances.
We transition from design drawings to physical prototypes in 7–14 days. Our localized tool shops, gear-hobbing departments, and in-house winding configurations ensure custom shaft shapes or gear ratios are modified rapidly.
Because coreless DC motors have zero cogging torque, low noise, and minimal inertia, they are the preferred drive choice in multiple high-tech applications:
In surgical robots, orthopedic drills, and micro pumps, motor vibration must be avoided. Our 16mm brushless coreless motors (12V/24V) deliver smooth, high-speed performance (up to 25,000 RPM) with minimal heat generation, providing tactile feedback directly to the operator's controls.
Unmanned Aerial Vehicles (UAVs), tactical micro drones, missile fin controls, and gimbal camera rigs require ultra-lightweight power. The high power-to-weight ratio of our mini coreless motors ensures fast response times under demanding G-force conditions.
High-end home automation demands quiet, continuous operation. Our planetary geared slow-speed coreless motors are engineered for motorized window curtains and automated blinds, delivering consistent high torque while maintaining low decibel operation.
When sourcing custom micro drives, matching electrical performance with mechanical limits prevents field failures. Use this checklist during design reviews with our engineering team:
From carbon-brushed high-speed motors to brushless slotless designs, find the exact match for your project specifications.
Find expert engineering answers on selecting, configuring, and sourcing coreless micro drives.