Explore our flagship high-performance industrial motors. Rigorously engineered to maximize energy output and reduce thermal wear.
Technical insights into modern heat dissipation, cooling geometries, and magnetic loss reduction mechanisms.
The external structural design relies on optimized fin profiles. High-grade cast iron frames feature precisely spaced axial ribs that double the cooling surface area, allowing high heat exchange coefficients without increasing physical footprints.
By Utilizing shaft-mounted bidirectional fan blowers (IC411 standard), cooling air is guided uniformly along the horizontal cooling ribs. This eliminates localized stator hot-spots, ensuring insulation longevity under harsh cycles.
Our motors incorporate Class F and Class H insulation materials treated with Vacuum Pressure Impregnation (VPI). VPI removes moisture and air voids, locking the copper windings to resist vibrations and thermal expansion stresses.
In heavy industries such as metallurgy, petrochemical processing, and mineral processing, electric motors are constantly exposed to dust, moisture, and extreme ambient heat. Traditional open-drip-proof motors fail rapidly under these conditions. This is where Rib Cooled Motors (such as the Y2, YKK, and YXKX series) excel. By totally enclosing the active rotor and stator components within a robust housing, external particles are prevented from entering the electrical core, while the external rib design acts as a high-efficiency convective heat sink.
Historically, motor cooling relied heavily on large water-cooled jackets or complex air-to-air heat exchangers. While effective, these systems introduce piping risks, leakage hazards, and substantial maintenance costs. Modern rib-cooled motors, designed through Computational Fluid Dynamics (CFD), present a cost-effective, high-integrity alternative. Our R&D efforts focus on reducing the thermal resistance boundary layer between the cast iron housing and the external high-velocity airflow, yielding up to a 15% reduction in motor operating temperatures compared to standard industry models.
Empowering global industries since 1963 with financial stability, R&D expertise, and massive production capacities.
With over 60 years of deep-rooted expertise in electric motor research and manufacturing, Shandong Sunvim Motor Co., Ltd. represents the pinnacle of industrial innovation. Following a strategic corporate transformation in 2022, we have rapidly established a high-standard, modernized production ecosystem tailored for the future of global industry.
Backed by the powerful resources of Sunvim Group—a multi-billion RMB conglomerate—Shandong Sunvim Motor Co., Ltd. benefits from strong financial stability and strategic growth. Our expansive facilities house over 400 sets of advanced manufacturing, precision testing, and automated supporting equipment, driving an impressive annual production capacity of up to 3 million kilowatts.
Driven by the excellence of Sunvim Group, the SUNVIM brand has earned widespread international recognition. Our high-performance electric motors are trusted by global OEMs and industrial buyers across premier markets, including Germany, Italy, Greece, Spain, Belgium, Denmark, South Africa, Slovakia, Australia, Singapore, Indonesia, Malaysia, and Taiwan.
Gaomi Electric Appliance Factory was established. Laying down the roots of electrical manufacturing expertise. In 1988, this was renamed as Weifang Electric Machinery Factory, expanding the capacity for three-phase AC induction motors.
Mr. Sun, then the factory director, left the Gaomi Electric Appliance Factory and set up Gaomi Towel Factory, the predecessor of Sunvim Group, setting off the entrepreneurial growth engine.
Weifang Electric Machinery Factory was officially acquired by the Sunvim Group, establishing Shandong Sunvim Electrical Machinery Co. Ltd. This merger injected massive capital and modern scientific management principles.
A new state-of-the-art factory was completed within the Sunvim Industrial Park. The corporation was officially renamed as Shandong Sunvim Motor Co. Ltd., aiming for Industry 4.0 digitizations and international market leadership.
Precision manufacturing machinery ensures that every component exceeds nominal performance metrics.
Engineered for extreme performance in demanding physical situations across critical industrial domains.
Ensuring absolute alignment with global mechanical codes and safety regulations across multiple jurisdictions.
How Shandong Sunvim utilizes next-generation industrial advancements to guarantee supply chain resilience.
With environmental regulations tightening across the EU (Ecodesign directives) and North America, premium energy efficiency is no longer optional. Our technical roadmap incorporates ultra-premium IE4 and IE5 technologies into both low-voltage and high-voltage configurations. By optimizing the magnetic steel layout within rotor slots and utilizing high-permeability lamination steel, we minimize eddy-current losses. This guarantees a rapid return on investment (ROI) via reduced operational electricity costs.
For applications requiring precise speed control without using permanent magnet rare-earth materials, our engineering division has designed a line of Synchronous Reluctance Motors (SynRM). These motors eliminate rotor copper losses completely. This yields cooler run temperatures, allowing simpler frame designs and lower overall physical weight, while matching PM motor efficiency envelopes.
Operating out of our 68,000 m² state-of-the-art facility in Gaomi, Sunvim Motor manages the complete manufacturing chain internally. We control the process from raw iron casting and stator winding slot design, to dynamic rotor balancing and final VPI varnishing. This complete vertical integration keeps our lead times resilient, insulation quality high, and protects against worldwide supply line shocks.
| Motor Series Type | Frame Sizes (mm) | Output Power Range | Voltage Classifications | Cooling & Protection Codes | Core Application Environments |
|---|---|---|---|---|---|
| Y Series (IP23) | H355 - H560 | 160 kW – 1600 kW | 6kV / 10kV / Custom | IC01 / IP23 | Indoors, low-dust pump & blower setups |
| Y2 Rib Cooled Series | H80 - H355 | 0.18 kW – 315 kW | 380V / 400V / 660V | IC411 / IP55 | General manufacturing, fans, agricultural pumps |
| YKK Modular Series | H355 - H630 | 185 kW – 2500 kW | 6kV / 10kV / 11kV | IC611 / IP54 or IP55 | Mining conveyers, cement mills, chemical blowers |
| YVF VFD Duty Series | H80 - H355 | 0.55 kW – 315 kW | 380V / 690V / Custom | IC416 (Forced Cool) / IP55 | Variable speed systems, paper & pulp winding rollers |
| Permanent Magnet / SynRM | H80 - H315 | 0.55 kW – 200 kW | 380V / 400V | IC411 / IP55 (IE4 / IE5) | High-duty cycle, low carbon footprint operations |
In-depth technical answers addressing the core questions of global procurement managers and mechanical engineers.
Explore our specialized catalog, including slip ring, modular, marine, and permanent magnet synchronous motors.
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