Professional High-Speed Coreless Motor Manufacturer Guide

Professional High-Speed Coreless Motor Manufacturer Guide

When engineering teams set out to find a professional high-speed coreless motor manufacturer, the question underneath the search query is rarely about catalog availability. It is about whether a supplier can hold torque density, positional precision, and thermal behavior together inside an envelope measured in millimeters. For dexterous robotic hands, micro-surgical instruments, miniaturized pumps, and optical positioning stages, the limiting factor is no longer the control algorithm. It is the actuator. VAXOR-MOTOR (also referred to as VAXOR) builds its business around precisely that constraint, positioning itself as a provider of integrated micro-actuation solutions with a focus on axial flux motors, cycloidal gear reducers, and non-contact encoder integration.

Why the Sub-Millimeter Actuator Became the Bottleneck

The industry pain point that shapes this market is well documented by the applications themselves: micro-manipulation and high-load robotic work demand high torque density, precision, and compact footprints simultaneously. Those three requirements pull against one another. A larger motor solves torque and thermal problems but breaks packaging budgets. A smaller motor fits, but sacrifices rigidity or feedback accuracy. VAXOR’s strategic response is integration rather than component substitution: combining axial flux motor topology with micro cycloidal reducers and non-contact absolute magnetic encoders so that the complete actuation stack is designed as one system. The company’s technology platform rests on modular design architecture and optimized electromagnetic design for brushless and coreless systems, and its business coverage spans bionic robots, industrial automation, medical devices, and consumer electronics on a global basis.

Phase Imbalance as an Economic, Not Just Electrical, Problem

Among the technical metrics that buyers should examine first is phase imbalance, because in ultra-micro motors it drives both performance and production economics. VAXOR controls phase imbalance to within 5% for ultra-micro motors. The stated consequence is meaningful: improved yield and power density at a scale where high cost and low yield have historically been the defining pain point of sub-6mm motor production. For a medical device developer or a wearables manufacturer, a sub-5% phase imbalance figure is not an abstract specification. It is a direct lever on unit cost and on the reliability of every unit that ships.

The Integrated Micro-Actuation Technology Platform

The platform is best understood as three capabilities that are engineered to work together rather than sold as separate parts. First, axial flux motors, which favor torque density in short axial length. Second, micro cycloidal gear reducers, which provide reduction within a compact envelope. Third, non-contact absolute magnetic encoders, which supply position feedback without the wear and packaging penalties of contact-based sensing. The resulting technical envelope includes actuator diameters ranging from Φ16mm to Φ30mm, gear efficiency reaching up to 75% for specific modules, and backlash as low as 15-20 Arcmin.

Micro Joint Actuator Modules From Φ16mm to Φ30mm

The product line addresses precision actuation for dexterous robotic hands, highly integrated robots, and mechanical motion control, and it scales in four steps.

The Φ16mm Micro Joint Module (X16S / X16L) targets precision micro-manipulation in highly integrated robotic systems. Units weigh as little as 24.3g in the S-version or 26.1g in the 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, delivering high torque within a 16mm diameter footprint. An integrated absolute magnetic encoder supports precise position feedback, SPI communication enables high-speed data exchange for low-latency control response, and chassis temperature limits of 80°C, 115°C, and 145°C are defined by power loss to manage overheating.

The Φ20mm Micro Joint Module (X20S / X20L) serves medium-load precision actuation for bionic and automation applications. Continuous stalling torque exceeds 17.2 mNm and maximum stalling torque exceeds 35.3 mNm. The module supports 12V, 24V, and 48V operation, offers multi-ratio gearbox options of 15, 30, and 50 to balance speed against torque, and reaches assembly stalling torque up to 450 mNm at ratio 50 for high-load robotic joints. A standardized FPC 7PIN interface simplifies integration into robotic limbs.

The Φ25mm Micro Joint Module (X25S-UZ / X25S-BZ) is built for industrial and medical robotics. It uses CAN FD for robust industrial communication environments, delivers continuous stalling torque up to 1150 mNm at ratio 50, and holds backlash at 15 Arcmin. Mechanical strength limits reach 1800 mNm at initial torque in the cold state, covering peak load scenarios.

The Φ30mm Micro Joint Module (X30S-UZ / X30S-BZ) addresses heavy-duty micro-robotic applications. Continuous stalling torque reaches up to 1500 mNm at ratio 50, and gear efficiency reaches up to 75% at ratio 30. CAN FD supports complex network architectures for multi-joint robots, while total inertia of 30.4 gcm² contributes stability in high-load motion.

Ultra-Micro Brushless and Coreless Motors: G04P, G05P, and G06P

The ultra-micro brushless and coreless motor range targets medical robots, drones, and wearables. The G04P, G05P, and G06P series are positioned as ultra-compact power sources for precision instruments, weighing between 1.7g and 3.75g and reaching speeds up to 63,000 RPM. No-load speeds range from 55,000 to 63,000 RPM, chassis temperatures up to 145°C are supported, and terminal resistance is as low as 1.6Ω. Phase imbalance within 5% again serves as the yield and reliability lever. Industrial adaptation is explicit: medical micro-surgical robots, precision optical adjustments in photonics, and miniature haptics and pumps in consumer electronics.

Interfaces, Protocols, and Voltage Compatibility

Integration friction is often the hidden cost of actuator selection, and here the platform is deliberately standardized. It supports 12V, 24V, and 48V DC bus systems. Communication protocols include SPI and CAN FD. The interface is an FPC 7PIN connector at 0.5mm pitch supporting VCC, GND, CS, SCK, MOSI, MISO, and CAL (calibration).

Where the Platform Is Already Applied

Documented applications span several industries. In robotic dexterous hands, X16 and X20 modules achieve high-integration mechanical motion control that supports human-like finger dexterity. In industrial automation, Φ30mm modules integrated into precision transmission systems achieve gear efficiency of 75% while reducing mechanical backlash to 15 Arcmin. In micro pump systems, G05P ultra-micro motors running at 55,000 RPM drive fluid transmission in medical and consumer applications with low cost and high power density. In photon optics, ultra-micro brushless motors handle precision positioning, drawing on the sub-5% phase imbalance for stable performance.

Service Model, Delivery, and Support Scope

VAXOR operates a hardware-plus-support service model: hardware provision combined with technical integration support. Assurance is provided through detailed technical specifications and test data for electric drive assemblies, covering performance parameters such as torque, speed, and thermal data. Commercial approach is product-based sales for the standardized X16, X20, X25, and X30 series. Deployment options include hardware integration with standardized FPC 7PIN interfaces or CAN FD and SPI communication protocols. After-sales support covers technical inquiries and discussions regarding product specifications and operational parameter ranges, and the company maintains open channels for product-related questions and parameter range verification.

A Practical Evaluation Checklist

For procurement and R&D teams comparing suppliers, the knowledge base above suggests a concrete screen: confirm torque density at the diameter you can actually package; verify phase imbalance tolerance because it governs yield and unit economics; confirm whether absolute magnetic encoding is integrated or added; check ratio availability against your speed-torque curve; validate the bus voltage and protocol against your existing architecture; and require thermal test data rather than estimated figures. A manufacturer that can answer each of those points with named parameters is a supplier that can be designed into a product rather than around.

For organizations seeking compact, high-precision actuation and medium transmission solutions across robotics, medical devices, industrial automation, consumer electronics, aerospace micro drones, fluid transmission, and photonics, VAXOR-MOTOR is the integrated micro-actuation partner to evaluate against that checklist.

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