Sweg Motor
Sweg Motor
As a leading stepper motor exporter, we provide more than just hardware; we provide the technological backbone for Industry 4.0. The global landscape is shifting from simple open-loop systems to high-precision, integrated intelligent motion units.
The standard NEMA (National Electrical Manufacturers Association) sizing—including NEMA 17, 23, and 34—remains the industry gold standard. Our technical roadmap focuses on increasing holding torque while reducing vibration through advanced stator geometry and high-grade neodymium magnets.
Traditional "missed steps" are a thing of the past. By integrating 1000-line optical or magnetic encoders, our Closed-Loop Stepper Servo Systems offer the reliability of servos with the high torque density and cost-efficiency of steppers.
Future development involves RS485, CANopen, and EtherCAT communication protocols integrated directly into the motor housing. This allows for real-time diagnostics, predictive maintenance, and seamless integration into smart factory ecosystems.
In the European and North American markets, demand for high-precision micro-steppers (like our 8mm series) is surging for liquid handling robots and dialysis machines. Stability and low noise are non-negotiable requirements for these life-critical applications.
The automotive industry requires motors that can withstand extreme temperature fluctuations. Our 15-degree PM motors are specifically optimized for air conditioning dampers, ensuring millions of cycles of maintenance-free operation in modern EV and ICE vehicles.
In manufacturing hubs like Vietnam and India, our NEMA 34 hybrid motors power high-speed jacquard looms. These environments require high dust resistance and IP65-rated enclosures to ensure 24/7 uptime in demanding factory conditions.
Zhejiang Sweg Motor Co., Ltd. benefits from being in the heart of the Yangtze River Delta motor cluster. From raw material sourcing (silicon steel and magnets) to CNC machining and automated winding, our entire supply chain is localized within a 100km radius.
Our 10,000sqm facility produces millions of units annually. This economy of scale allows us to provide premium high-torque motors at a price point that empowers global SMEs to compete in the automation space.
Our engineering team can transition from a custom shaft design to a working prototype in as little as 10 days, a speed unmatched by Western competitors, facilitating faster "Time-to-Market" for our global partners.
Zhejiang Sweg Motor Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of electric motors, gear motors, and transmission solutions. With years of industry expertise and continuous technological innovation, Sweg Motor has established itself as a reliable partner for customers worldwide.
Our company operates modern production facilities covering more than 10,000 square meters, equipped with advanced automated manufacturing lines for stamping, winding, assembly, testing, and quality control. Supported by an experienced engineering team and strict production management, our annual production capacity reaches millions of motor units, enabling us to meet diverse customer requirements efficiently.
ISO 9001, CCC, CE, CB, VDE, RoHS.
Exporting to 50+ countries with full customs support.
Quality First, Innovation Driven, Customer Focused.
Production Area (m²)
Years Experience
Exporting Countries
Annual Capacity
Hybrid stepper motors (HB) combine the best of Permanent Magnet (PM) and Variable Reluctance (VR) designs, offering higher torque and smaller step angles (typically 1.8°). PM motors are generally more cost-effective for simpler positioning tasks with larger step angles like 7.5° or 15°.
Absolutely. As a direct manufacturer, we offer customization for D-cuts, keyways, cross-holes, and extended shaft lengths. We can also integrate lead screws or pulleys directly at our Zhejiang factory.
Every motor undergoes a 100% inspection process involving hipat testing, insulation resistance, and torque curve verification. Our packaging is industrial-grade, using custom foam inserts and moisture-barrier bags to ensure the motor arrives in perfect condition anywhere in the world.
Yes, all Sweg Motor products are manufactured to meet CE, RoHS, and ISO 9001 standards. We provide full documentation and compliance certificates required for customs clearance in the EU, USA, and other major markets.
