Engineered for high-torque mechanical transmission, coupling systems, and harsh industrial environments worldwide.
As the authorized primary distributor of Wolong Electric Drive Group Co., Ltd, we deliver industrial-grade coupling drive motors and intelligent variable frequency speed control systems. Established in 1984 and listed on the Shanghai Stock Exchange (SH600580) in 2002, Wolong has evolved into a global titan in drive motor manufacturing. Operating 3 global manufacturing bases, 39 high-capacity factories, and 3 localized R&D centers, Wolong drives the standards for modern industrial mechanics.
Our solutions bridge the gap between heavy-duty rotor mechanics and global compliance. By deploying advanced motor architectures, we facilitate critical operations in coal mining, offshore oil fields, ventilation, chemical processing plants, and power distribution infrastructures worldwide.
Download CataloguesCombining over a century of European engineering expertise with optimized global supply chain execution.
Acquired in 2011, ATB Motor Group stands as a top-three European motor manufacturer. Within this alliance, the Morley brand contributes over 130 years of history in high-torque underground coal mine drives, delivering heavy-duty synchronous and asynchronous drive solutions globally.
Brook Crompton provides energy-efficient drive options (premium "W" and "10" series) for hazardous industrial applications. Schorch, integrated in 2011 (est. 1882), defines high-power variable frequency drive standards across oil, gas, power plants, and tunneling works.
Joining the Wolong family in 2018, GE's commercial and industrial motor division brings extensive heavy-industry drive experience, bolstering Wolong's footprint in North American NEMA frames, paper mills, metallurgy, and water utilities.
We leverage domestic leading brands such as Nanyang Explosion-Proof (CNE), China's premier manufacturer of flameproof motors. By integrating design frameworks from Laurence Scott and OLI Vibration Motors (MVE), we construct high-efficiency coupling drive systems optimized for hazardous areas.
These systems feature robust designs certified to handle severe structural shifts and seismic occurrences common in deep shaft mining, offshore gas fields, and chemical transport installations. Reliability is backed by multi-certified quality controls spanning international standards.
A granular look at the components that provide our coupling drive motors with high torque capacity and reliability.
Our coupling drive motor rotors utilize optimized squirrel cage configurations. Centrifugal aluminum casting or high-precision die-casting processes inject pure, molten aluminum into the rotor core slots. This yields a single-piece construction integrating the rotor bars and end rings, preventing high-resistance hot spots.
For high-capacity, high-torque industrial installations, custom copper bar rotors with TIG welded end rings are utilized. A dynamic protective retaining ring configuration prevents radial deformation in high-speed, variable-frequency installations, ensuring stable torque transfer and reducing vibration during direct coupling.
The stator windings are structured using premium copper wire insulated with polyester film and reinforced with woven glass cloth. High-mica content tape provides electrical resilience and thermal insulation.
The complete stator assembly undergoes a computerized Vacuum Pressure Impregnation (VPI) cycle. This process removes air pockets from the slots, filling voids with high-grade, solventless epoxy resin. The result is a moisture-resistant, chemically inert stator block with superior thermal conductivity, mechanical rigidity, and high dielectric strength.
Using a digital engineering platform, the motor frames undergo multi-physics simulations mapping structural stress, modal frequencies, and heat dissipation pathways. Cast from high-strength gray cast iron or structural steel, our housings provide ample mechanical safety margins.
This design handles severe shaft misalignments and high transient torque spikes during startup. Natural frequency analysis ensures that motor operating speeds do not coincide with resonance frequencies, maintaining low overall vibration profiles and extending bearing lifetimes.
Our low-noise cooling layout integrates an aerodynamic fan hood, an optimized internal guide cylinder, protective windows, and acoustic dampening panels. A side-entry air inlet design guides flow while mitigating propagation pathways for aerodynamic noise.
The layout features sound-attenuating lining materials that absorb high-frequency fan hum. It provides an ingress protection rating of IP22 (and up to IP55 with optional configurations), ensuring operators are protected from contact with rotating fan blades while keeping operating temperatures within acceptable thermal limits.
Enabling seamless integration into regulated industrial zones worldwide with validated safety profiles.
ATEX / Nemko
CSA Standard
CE Conformity
CCC Certified
SABS Approved
TESTSAFE
Our commitment to a globalized engineering footprint means complying with international quality standards:
In today's industrial market, logistical reliability is as critical as mechanical performance. By leveraging China’s developed heavy industrial supply chain, Shaanxi Nanfang Motor Technology Co., Ltd. provides stable lead times, robust raw material sourcing, and efficient domestic component processing.
From sourcing high-grade electromagnetic steel sheets to automated copper coil winding, our factories utilize vertical integration to insulate production schedules from global material shortages. Supported by automated testing facilities, every coupling drive motor undergoes rigorous quality audits before shipment.
Furthermore, our relationships with global shipping hubs in Shanghai, Ningbo, and Qingdao facilitate seamless export shipping. We provide comprehensive documentation support—including dual-language customs clearances, certificate compliance packages, and logistics tracking—ensuring on-time delivery to your production site.
Integrating Permanent Magnet technology, VSD drives, and IoT monitoring into high-torque coupling installations.
We are transitioning our product lines to exceed IE4 standards, utilizing permanent magnet synchronous motor (PMSM) configurations (such as the TBVF and WEPM series) to achieve IE5 efficiency ratings under partial loads.
Modern couplings are increasingly paired with intelligent variable frequency drives. Our systems support variable-speed operation (VSD) with optimized insulation structures that withstand transient voltage spikes (dv/dt).
By integrating optional vibration sensors and winding/bearing temperature RTDs, our drive motors connect directly to centralized plant monitoring networks, allowing operators to predict maintenance needs before failure occurs.
Deploying high-torque coupling drive motors across critical industrial environments worldwide.
Underground mining operations rely on robust material transport systems. Our YBK3, YBSD, and YBS conveyor motor series are engineered for high-vibration coal mining environments. Capable of handling high-inertia startups and continuous shock loads, these motors are coupled to heavy-duty armered face conveyors and coal shearers to ensure reliable operation.
Refineries and gas plants require continuous drive systems to manage volatile gases and fluids. Our explosion-proof three-phase motors couple directly to high-pressure centrifugal pumps, gas compressors, and cooling fans, maintaining flameproof safety in Zone 1 and Zone 2 hazardous areas.
Tunnel boring machines (TBMs) demand high torque capacity in confined, humid environments. Our YBU, YBUS, and YBUD flameproof motor series provide high power density, driving cutting heads through challenging geological formations with water-cooled configurations that optimize heat dissipation.
Addressing engineering, selection, and deployment questions from project managers and engineers.
Explore our highly-specialized flameproof, variable frequency, and heavy conveyor asynchronous motor portfolio.
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