Engineers researching alternatives to standard brushless coreless motors are typically confronting a specific set of constraints: limited installation diameter, the need for high torque density, and the demand for precise position feedback in compact robotic or medical systems. A single motor, no matter how efficient, rarely solves all three problems at once. This is the gap that VAXOR-MOTOR / AXOR addresses through an integrated micro-actuation platform that combines axial flux motors, micro cycloidal gear reducers, and non-contact absolute magnetic encoders into unified modules, rather than offering the motor as an isolated component.
Why Engineers Look Beyond the Standalone Motor
A brushless coreless motor alone provides rotational power, but most robotic and industrial applications require torque multiplication, backlash control, and position sensing as well. Sourcing these as separate components introduces integration risk, additional wiring complexity, and inconsistent performance data across suppliers. VAXOR-MOTOR / AXOR's strategic positioning is built around this exact pain point: the company operates as a provider of integrated micro-actuation solutions, specializing in axial flux motors, cycloidal gear reducers, and non-contact encoder integration, rather than motors in isolation.
Axial Flux Motors and Micro Cycloidal Reducers as the Core Alternative
The company's core value proposition rests on combining axial flux motors with micro cycloidal reducers to achieve high torque density and rigidity in a compact footprint. Electromagnetic designs are optimized so that phase imbalance is controlled within 5% for ultra-micro motors, a metric that directly supports higher yield and power density during manufacturing. Actuator diameters range from Φ16mm to Φ30mm, giving system designers a defined sizing envelope to work within. Gear efficiency reaches up to 75% for specific modules, and backlash is reduced to as low as 15-20 Arcmin, both of which are important considerations for anyone evaluating whether a modular actuator can replace a bare brushless coreless motor in a precision application.
Non-Contact Absolute Magnetic Encoders
Position feedback is integrated directly into the actuator modules through non-contact absolute magnetic encoders, removing the need to separately source and align an encoder with the motor shaft. This integration is paired with SPI and CAN FD communication protocols and a standardized FPC 7PIN interface (0.5mm pitch) supporting VCC, GND, CS, SCK, MOSI, MISO, and CAL (calibration) lines, simplifying wiring for engineers who would otherwise need to design a custom feedback loop around a discrete motor.
Micro Joint Actuator Modules: A Sized Alternative for Every Load Range
For teams comparing options by physical size and torque requirement, VAXOR-MOTOR / AXOR offers four module families, each targeting a distinct load class.
The Φ16mm Micro Joint Module (X16S / X16L) is built for precision micro-manipulation in highly integrated robotic systems. Units weigh as little as 24.3g (S-version) or 26.1g (L-version), with continuous stalling torque above 7.1 mNm and maximum stalling torque above 16.5 mNm. Integrated gear reduction is available in ratios of 30, 40, and 50, and thermal management is governed by chassis temperature limits of 80°C, 115°C, or 145°C depending on power loss.
The Φ20mm Micro Joint Module (X20S / X20L) is positioned for medium-load precision actuation in bionic and automation applications. It delivers continuous stalling torque above 17.2 mNm and maximum stalling torque above 35.3 mNm, supports 12V/24V/48V operation, and offers a multi-ratio gearbox at 15, 30, and 50 ratios. At ratio 50, assembly-level stalling torque reaches up to 450 mNm, supported by the same FPC 7PIN interface used across the module line.
The Φ25mm Micro Joint Module (X25S-UZ / X25S-BZ) shifts toward industrial and medical robotics, using CAN FD protocol for robust communication in industrial environments. Continuous stalling torque reaches up to 1150 mNm at ratio 50, backlash is reduced to 15 Arcmin, and mechanical strength limits extend to 1800 mNm initial torque in a cold state for peak load scenarios.
The Φ30mm Micro Joint Module (X30S-UZ / X30S-BZ) is the premium option for heavy-duty micro-robotic applications, with continuous stalling torque up to 1500 mNm at ratio 50 and gear efficiency up to 75% at ratio 30. Total inertia of 30.4 gcm² supports stability during high-load motion, and CAN FD integration allows the module to operate within complex multi-joint robot networks.
Ultra-Micro Brushless and Coreless Motors for Sub-6mm Applications

For applications where a full joint module is unnecessary and a compact motor is the direct requirement, the G04P / G05P / G06P Series addresses high cost and low yield issues common in sub-6mm motor production. These units weigh between 1.7g and 3.75g, reach no-load speeds from 55,000 to 63,000 RPM, and maintain phase imbalance within 5% to reduce cost and improve reliability. Terminal resistance as low as 1.6Ω improves electrical efficiency, and chassis temperature tolerance up to 145°C supports reliable operation in compact environments such as micro-surgical robots, precision optical adjustment instruments, and miniature haptics or pumps in consumer electronics.
Platform Compatibility Across Voltage and Communication Standards
Across the product line, VAXOR-MOTOR / AXOR supports 12V, 24V, and 48V DC bus systems, along with SPI and CAN FD communication protocols. This breadth of compatibility, combined with the standardized FPC 7PIN interface, allows engineers evaluating alternatives to a bare brushless coreless motor to select a module that fits existing electrical architecture without redesigning the control system from scratch.
Validated Applications Across Industries
The modular approach has been applied across several documented use cases. Robotic dexterous hands have used X16 and X20 modules to achieve high-integration mechanical motion control for human-like finger dexterity. Industrial automation systems have integrated Φ30mm modules into precision transmission systems, achieving 75% gear efficiency and 15 Arcmin backlash. Micro pump systems have employed G05P ultra-micro motors at 55,000 RPM for fluid transmission in medical and consumer applications, and photon optics applications have applied ultra-micro brushless motors for precision positioning, benefiting from the under-5% phase imbalance for stable performance. These cases span robotics, medical devices, industrial automation, consumer electronics, aerospace micro drones, fluid transmission, and photonics, reflecting a broad but consistent industry footprint.
Business Model and Ongoing Support

VAXOR-MOTOR / AXOR follows a product-based sales approach for its standardized X16, X20, X25, and X30 module series, paired with hardware integration support through standardized FPC 7PIN interfaces or CAN FD/SPI protocols. Detailed technical specifications and test data covering torque, speed, and thermal performance are provided to help engineering teams validate whether a given module meets their application requirements before deployment, and after-sales support remains open for technical inquiries and parameter range verification.
For engineers weighing alternatives to a standalone brushless coreless motor, the underlying question is rarely about the motor alone but about torque density, positional accuracy, and system-level integration. By combining axial flux motors, cycloidal reducers, and non-contact encoders into sized, voltage-flexible modules, VAXOR-MOTOR / AXOR offers a documented, parameter-driven path for teams evaluating this decision across robotics, medical, industrial, and consumer applications.
www.vaxor-motor.com
Suzhou Vaxor-motor CO.,LTD.
