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Understanding the Search for an Ultra Micro Motor ODM Manufacturer

Engineers designing dexterous robotic hands, medical instruments, drones, and compact automation systems face a recurring challenge: sourcing motors and actuators that combine high torque density, precision, and a small footprint without sacrificing reliability. This is exactly the gap that VAXOR-MOTOR, operating under the brand AXOR, addresses through its integrated micro-actuation solutions. Positioned as a provider of hardware plus technical integration support, AXOR serves global customers across robotics, medical devices, industrial automation, and consumer electronics, offering a combination of axial flux motors, micro cycloidal gear reducers, and non-contact absolute magnetic encoder integration.

AXOR’s Core Technology Platform

At the center of AXOR’s approach is a technology platform built on three integrated components: axial flux motors, micro cycloidal gear reducers, and non-contact absolute magnetic encoders. This combination is engineered to deliver high torque density and rigidity in a compact package, which is a persistent pain point in micro-manipulation and high-load robotic applications.

A key technical differentiator is electromagnetic design optimization that keeps phase imbalance within 5% for ultra-micro motors. This tight control over phase imbalance is directly tied to manufacturing yield and power density, meaning that customers evaluating a motor manufacturer for compact, high-speed applications can expect consistency across production batches. AXOR’s actuator diameters range from Φ16mm to Φ30mm, covering a spread of load and integration requirements. Gear efficiency reaches up to 75% for specific modules, while backlash is reduced to as low as 15-20 Arcmin, both of which matter for applications demanding accurate, repeatable motion control.

On the platform compatibility side, AXOR’s modules support 12V, 24V, and 48V DC bus systems, and communicate via SPI and CAN FD protocols. Physical integration is standardized through an FPC 7PIN interface with a 0.5mm pitch, supporting VCC, GND, CS, SCK, MOSI, MISO, and a dedicated CAL (calibration) line. This openness in communication and interface design is intended to simplify integration for engineering teams building multi-joint robots or automated systems.

Product Matrix: Micro Joint Actuator Modules

AXOR’s Micro Joint Actuator Modules are positioned for precision actuation in dexterous robotic hands, highly integrated robots, and mechanical motion control. The lineup spans four diameter classes, each addressing a different balance of size, torque, and communication protocol.

The Φ16mm Micro Joint Module, available as X16S and X16L, is built for precision micro-manipulation in highly integrated robotic systems. It weighs as little as 24.3g in the S-version or 26.1g in the L-version, while delivering continuous stalling torque above 7.1 mNm and maximum stalling torque above 16.5 mNm. Gear reduction ratios of 30, 40, and 50 are available within the 16mm diameter footprint, and an integrated absolute magnetic encoder supports precise position feedback. SPI communication provides low-latency control response, and thermal management is defined through chassis temperature limits of 80°C, 115°C, and 145°C depending on power loss.

The Φ20mm Micro Joint Module, offered as X20S and X20L, targets medium-load precision actuation for bionic and automation applications. It delivers continuous stalling torque above 17.2 mNm and maximum stalling torque above 35.3 mNm, and supports 12V, 24V, and 48V operation. A multi-ratio gearbox with 15, 30, and 50 ratio options balances speed and torque needs, with the full assembly reaching up to 450 mNm of stalling torque at ratio 50. The standardized FPC 7PIN interface simplifies wiring for power and data when integrating into robotic limbs.

The Φ25mm Micro Joint Module, in X25S-UZ and X25S-BZ variants, is designed as a high-torque actuator for industrial and medical robotics. It uses the CAN FD protocol for robust communication in industrial environments and delivers continuous stalling torque up to 1150 mNm at ratio 50. Backlash is reduced to 15 Arcmin for high motion accuracy, and the mechanical structure can withstand torque capacity up to 1800 mNm under initial cold-state conditions, supporting peak load scenarios.

The Φ30mm Micro Joint Module, available as X30S-UZ and X30S-BZ, is the premium option for heavy-duty micro-robotic applications. It reaches continuous stalling torque up to 1500 mNm at ratio 50 and achieves gear efficiency of up to 75% at ratio 30. CAN FD integration supports complex network architectures for multi-joint robots, and total inertia of 30.4 gcm² contributes to stability under high-load motion.

Product Matrix: Ultra-Micro Brushless and Coreless Motors

Beyond joint actuators, AXOR produces ultra-micro brushless and coreless motors under the G04P, G05P, and G06P series, optimized for medical robots, drones, and wearables. These motors are built to solve the high cost and low yield often associated with sub-6mm motor production.

The series is notably lightweight, ranging from 1.7g to 3.75g, while achieving no-load speeds between 55,000 and 63,000 RPM, making them suitable for micro-pumps and drones. Phase imbalance within 5% supports yield optimization by reducing production costs and improving reliability. Thermal resistance allows operation at chassis temperatures up to 145°C, and terminal resistance as low as 1.6Ω improves electrical efficiency. Application areas mentioned for this series include micro-surgical robots in medical settings, precision optical adjustments in photonics, and miniature haptics or pumps in consumer electronics.

Where These Solutions Are Being Applied

AXOR’s technology has been applied across several documented scenarios. In robotic dexterous hands, X16 and X20 modules have been used to achieve high-integration mechanical motion control that enables human-like finger dexterity. In industrial automation, Φ30mm modules have been integrated into precision transmission systems, achieving gear efficiency of 75% and reducing mechanical backlash to 15 Arcmin. In micro pump systems, G05P ultra-micro motors operating at 55,000 RPM have been employed to drive fluid transmission in medical and consumer applications, prioritizing low cost and high power density. In photonics, ultra-micro brushless motors have been applied for precision positioning in optical instruments, benefiting from the sub-5% phase imbalance for stable performance.

Business Model and Engagement

AXOR follows a product-based sales approach for its standardized modules across the X16, X20, X25, and X30 series. Delivery is centered on hardware integration, supported by standardized FPC 7PIN interfaces or CAN FD/SPI communication protocols, allowing engineering teams to incorporate these modules into existing electronic architectures. After-sales engagement focuses on technical inquiries and discussions regarding product specifications and operational parameter ranges, along with detailed technical documentation and test data covering torque, speed, and thermal performance for each electric drive assembly.

For organizations evaluating an ultra micro motor ODM manufacturer for robotics, medical devices, industrial automation, or consumer electronics, AXOR’s combination of axial flux motor design, cycloidal gear reduction, and non-contact encoder integration offers a structured, specification-driven starting point for technical discussion and parameter verification.

http://www.vaxor-motor.com
Suzhou Vaxor-motor CO.,LTD.

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