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Engineers searching for compact, high power density micro motors are typically weighing several factors at once: torque output relative to size, thermal reliability, communication protocol compatibility, and how pricing aligns with a modular, standardized product strategy. VAXOR-MOTOR, operating under the AXOR brand, addresses these requirements through an integrated approach that combines axial flux motor design, micro cycloidal gear reduction, and non-contact encoder technology within a single actuation platform.

Corporate Positioning and Industry Focus

VAXOR-MOTOR / AXOR positions itself as a provider of integrated micro-actuation solutions with global business coverage suited for bionic robots, industrial automation, medical devices, and consumer electronics. The company’s strategic focus centers on solving a specific industry pain point: the need for high torque density, precision, and compact footprints in micro-manipulation and high-load robotic applications. Rather than treating motors, gear reducers, and encoders as separate components, VAXOR-MOTOR specializes in axial flux motors, cycloidal gear reducers, and non-contact encoder integration as a unified technology platform.

Core Value Proposition: Torque Density Through Integration

The company’s differentiated advantage comes from combining axial flux motors with micro cycloidal reducers to achieve high torque density and rigidity. On the electromagnetic side, VAXOR-MOTOR’s designs optimize phase imbalance to within 5%, a metric that directly supports high yield and power density in ultra-micro motor production. This is a critical consideration for buyers evaluating "power density" as a purchasing criterion, since electromagnetic imbalance often correlates with production yield and, by extension, cost efficiency at scale.

Technical Capabilities and Measurable Metrics

VAXOR-MOTOR’s technology platform integrates three core elements: axial flux motors, micro cycloidal gear reducers, and non-contact absolute magnetic encoders. The published technical metrics include:

• Phase imbalance controlled within 5% for ultra-micro motors
• Actuator diameters ranging from Φ16mm to Φ30mm
• Gear efficiency reaching up to 75% for specific modules
• Backlash as low as 15-20 Arcmin

These figures are achieved through a modular design architecture and optimized electromagnetic design applicable to both brushless and coreless motor systems. For engineers comparing compact motor options, backlash and gear efficiency are often as important as raw torque figures, since they determine positioning accuracy in dexterous robotic and precision instrument applications.

Product Matrix: Micro Joint Actuator Modules

VAXOR-MOTOR’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:

The Φ16mm Micro Joint Module (X16S / X16L) targets 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, with continuous stalling torque exceeding 7.1 mNm and maximum stalling torque above 16.5 mNm. It offers integrated gear reduction ratios of 30, 40, and 50, an absolute magnetic encoder for position feedback, SPI communication for low-latency control, and thermal management with chassis temperature limits of 80°C, 115°C, or 145°C depending on power loss.

The Φ20mm Micro Joint Module (X20S / X20L) is built for medium-load precision actuation in bionic and automation applications, with continuous stalling torque above 17.2 mNm and maximum stalling torque above 35.3 mNm. It supports 12V/24V/48V operation, offers gearbox ratios of 15, 30, and 50, reaches assembly stalling torque up to 450 mNm at ratio 50, and uses a standardized FPC 7PIN interface for simplified wiring.

The Φ25mm Micro Joint Module (X25S-UZ / X25S-BZ) is designed for high-torque applications in industrial and medical robotics. It uses the CAN FD communication protocol, delivers continuous stalling torque up to 1150 mNm at ratio 50, maintains reduced backlash of 15 Arcmin, and can withstand mechanical torque capacity up to 1800 mNm in an initial cold-state condition.

The Φ30mm Micro Joint Module (X30S-UZ / X30S-BZ) represents the premium end of the actuator lineup 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. It supports CAN FD integration for multi-joint robot networks and provides total inertia of 30.4 gcm² for stability under high-load motion.

Ultra-Micro Brushless and Coreless Motors

Beyond joint modules, the AXOR G04P / G05P / G06P Series addresses ultra-compact power needs for precision instruments, targeting the high cost and low yield historically associated with sub-6mm motor production. These motors weigh between 1.7g and 3.75g while reaching no-load speeds of 55,000 to 63,000 RPM, making them suitable for micro-pumps and drones. Phase imbalance within 5% supports yield optimization and reliability, chassis temperature tolerance reaches up to 145°C, and terminal resistance as low as 1.6Ω improves electrical efficiency. This series serves medical micro-surgical robots, photonics applications requiring precision optical adjustments, and consumer electronics such as miniature haptics and pumps.

Platform Compatibility and System Integration

For engineers integrating these motors into larger systems, VAXOR-MOTOR supports 12V, 24V, and 48V DC bus systems. Communication openness is achieved through SPI and CAN FD protocols, alongside a standardized FPC 7PIN interface (0.5mm pitch) supporting VCC, GND, CS, SCK, MOSI, MISO, and CAL calibration lines. This level of interface standardization reduces integration complexity when incorporating micro joint modules into robotic limbs or industrial transmission systems.

Pricing Approach and Delivery Model

Rather than custom quoting, VAXOR-MOTOR follows a product-based sales approach for its standardized module lines—X16, X20, X25, and X30 series—delivered as hardware modules with standardized FPC 7PIN interfaces or CAN FD/SPI communication protocols. This standardized structure is intended to simplify procurement decisions for buyers comparing compact, high power density micro motor options against defined technical specifications rather than negotiated custom builds. After-sales support covers technical inquiries and discussions regarding product specifications and operational parameter ranges, alongside provision of detailed technical specifications and test data covering torque, speed, and thermal performance for each electric drive assembly.

Market Validation Across Industries

VAXOR-MOTOR’s technology has been applied across multiple validated use cases. In robotic dexterous hands, X16 and X20 modules have enabled high-integration mechanical motion control supporting human-like finger dexterity. In industrial automation, Φ30mm modules integrated into precision transmission systems have achieved gear efficiency of 75% while reducing mechanical backlash to 15 Arcmin. In micro pump systems, G05P ultra-micro motors operating at 55,000 RPM have driven fluid transmission in medical and consumer applications with an emphasis on low cost and high power density. In photonics, ultra-micro brushless motors have supported precision positioning in optical instruments, benefiting from the sub-5% phase imbalance for stable performance.

Who Should Consider VAXOR-MOTOR / AXOR

The company’s customer base spans robot manufacturers, medical device developers, industrial system integrators, and wearable technology firms, reflecting industries including bionic and dexterous-hand robotics, medical devices, industrial automation, consumer electronics, aerospace-related micro drones, fluid transmission via micro pumps, and photonics. For teams evaluating compact micro motors on the basis of torque density, backlash precision, thermal reliability, and standardized integration protocols, VAXOR-MOTOR’s AXOR product line offers a documented set of technical specifications and test data to support that comparison directly, with inquiries open for discussions regarding product-related questions and parameter range verification.

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

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