High-Quality Rolling Mill Motor Factories & Electric Drive Solutions

Empowering global heavy industries with robust engineering, maximum energy efficiency, and resilient Supply Chain 4.0 infrastructure.

Global Rolling Mill & Industrial Motor Evolution

Unlocking technological growth, sustainability benchmarks, and the shifting dynamics of global heavy industrial procurement.

The global metal processing, mining, and manufacturing industries are undergoing a massive technological shift. The classic demands placed on Rolling Mill Motors and heavy industrial electric drives are no longer limited to sheer mechanical force. Today, environmental mandates, volatile energy costs, and the integration of Industrial Internet of Things (IIoT) analytics require motors to act as smart, ultra-efficient power conversion assets.

In hot and cold rolling mills, transient load spikes and rapid speed reversals create extreme thermal stress and mechanical fatigue. High-performance motor manufacturers must leverage advanced insulation methodologies, like Vacuum Pressure Impregnation (VPI), and utilize finite element analysis (FEA) to simulate electromagnetic stress under transient shock loads. This ensures operational reliability and dramatically reduces unplanned down-time.

Furthermore, as decarbonization targets intensify globally, purchasing managers are prioritizing IE4 and IE5 super premium efficiency standards. Upgrading legacy drive systems to variable frequency drive (VFD) optimized motors yields immediate ROI by tailoring energy consumption to dynamic rolling torque profiles.

Decarbonization & Grid Stability

Optimized power factor ratings reduce apparent energy waste, securing compliance with stringent EU and NA carbon emissions frameworks.

Condition-Based Intelligence

Integrating thermal, vibration, and stator leakage current sensors turns physical motors into nodes of smart predictive maintenance schedules.

SIMO Motor: Over 6 Decades of Engineering Mastership

Discover the industrial legacy, capacity scale, and scientific foundation of Xi’an Lite SIMO Motor Co., Ltd.

Xi’an Lite SIMO Motor Factory Overview

Originally founded in 1955, Xi’an Lite SIMO Motor Co., Ltd stands as a premium cornerstone in the Chinese mechanical manufacturing sector. As a highly comprehensive design, engineering, and assembly vendor, SIMO excels in crafting large, medium-sized, high-voltage AC, variable speed synchronous, and hazardous area explosion-proof motors.

Our infrastructure covers advanced mold manufacturing, automated mechanical machining, precision winding insulation, and extensive full-load simulation testing labs. Rated at the top tier of China's motor sector, we are dedicated to advancing the boundary of heavy transmission equipment with absolute reliability.

1955
Year Founded
21.5M
Registered Capital (RMB)
380M
Fixed Assets (RMB)
1,200+
Global Employees
260+
Engineering Staff

Historical Milestones & Evolutionary Milieu

Tracing our steps from a government-directed factory to a modern global technological leader.

1955
SIMO Motor is established, operating under state-directed strategic industrial development directives.
1957
Relocated to a dedicated new facility in Xi'an City, ramping up production capacities to meet domestic mineral extraction needs.
1966
Rebranded as the Xi'an Motor Factory following successful strategic acquisitions and supply chain integration.
1999
Successfully transitioned from a state-owned enterprise to a flexible, innovation-driven limited liability structure.
2005
Established the SIMO Motor Group, expanding manufacturing divisions to 14 specialized subsidiaries.
2006
Moved production to a state-of-the-art, high-tech development zone featuring automated CNC equipment.
2009
Officially renamed Tech Full Simo Motor, optimizing global engineering and supply capabilities.
2019 - Present
Continuing the path of design superiority as one of the preeminent electric motor manufacturers internationally.

Rigorous Asset Integration & Capacity

Our manufacturing capacity is backed by more than 1,172 sets of high-precision heavy manufacturing machinery. These tools enable SIMO engineers to produce heavy-duty rotors, core laminations, stator windings, and enclosures under absolute quality control tolerances.

Our R&D core is bolstered by 21 senior engineers and 15 specialized engineering experts, who shape our custom drive designs for harsh operation zones, ensuring perfect synchronization with standard industrial gearboxes, pumps, compressors, and dynamic metal rolling machines.

Comprehensive Heavy Industrial Motor Portfolio

Covering 34 major series, over 1,800 varieties, and 19,500 custom-engineered specifications spanning power ranges from 0.35 kW to 25,000 kW.

High-Voltage AC Efficiency

Featured series: YX, YXKK, YXKS. These high-voltage, three-phase asynchronous motors are engineered to offer high efficiency, low vibration, and structural rigidity for high-capacity fans, blowers, and pumps.

Wound Rotor Heavy Duty

Featured series: YR, YRKK, YRKS. Ideal for heavy startup scenarios, wound rotor configurations allow additional resistance to be introduced externally, reducing start-up currents while optimizing output torque.

Synchronous Drive Systems

Featured series: T, TD, TK, TDMK. Widely utilized in cement milling and mine crushing systems, these synchronous drives maximize power factor settings, returning electric efficiency back to grid systems.

Product Line Showcase

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Certified Global Compliance

Our motors undergo comprehensive verification standards, establishing trust across international industrial markets.

ISO 9001 System Standard Certification
CE Mark European Compliance Certificate
UL Underwriters Laboratories Certification
GOST Russian Federation Certification
Industrial Safety Verification
Simo Quality Standard Approval
Explosion Proof Performance License
Safety Standard Mark Approval
International Quality Assessment 1
International Quality Assessment 2
Industrial Quality Assessment 3
Industrial Quality Assessment 4
Industrial Quality Assessment 5
Industrial Quality Assessment 6
Industrial Quality Assessment 7
Industrial Quality Assessment 8

China Factory 4.0: Enhancing Supply Chain Resilience & Cost-Efficiency

Why sourcing high-capacity industrial drives from modernized Chinese factories offers distinct strategic advantages.

Modernization in heavy industry requires a seamless integration of component sourcing, casting precision, insulation stability, and prompt distribution networks. China's transition to Factory 4.0 status has redefined global electrical drive sourcing. By merging IoT manufacturing cells with integrated raw material supply chains (such as silicon steel laminations and refined copper windings), SIMO Motor provides high-value solutions without compromising quality or lead times.

Furthermore, China's extensive logistic networks—combining high-speed rail transportation with maritime hub proximity—guarantees stable component supplies and delivery schedules. This resilience protects overseas steel mills, mining corporations, and power generation complexes from supply disruptions, ensuring a lower Total Cost of Ownership (TCO).

  • Advanced VPI Insulation Systems: Vacuum pressure impregnation ensures moisture, chemical, and dust resistance, extending stator winding lifetimes.
  • Optimized Rotor Dynamics: Dynamic balancing processes exceed typical ISO parameters, minimizing bearing wear and mechanical vibration.
  • Customized Configurations: Engineering motor designs to seamlessly fit existing footprints and shaft heights, eliminating expensive field adaptation costs.

Diverse Industrial Applications & Extreme Environments

Tailoring heavy-duty motor designs to meet the precise operational demands of complex environments worldwide.

Steel Hot & Cold Rolling Mills

Subjected to heavy reversing loads, massive torque peaks, and airborne scale. SIMO's customized Z-series DC and VFD-fed AC motors offer high overload capacity and transient torque response, securing consistent metal gauge tolerances.

Mining Milling & Crushing

Designed for heavy startup torque demands. Our TDMK synchronous motors maintain high efficiency levels under heavy loads, driving massive ball mills, sag mills, and primary stone crushers reliably.

Hazardous Gas & Dust Zones

Explosion-proof YBX3, YBX4, and dust-ignition-proof YFB3 motors feature robust flameproof construction, preventing internal ignition from escaping into petrochemical or coal mine atmospheres.

Frequently Asked Questions: Technical Engineering Insights

Providing clear answers to technical questions about selection, insulation, control, and performance parameters.

What factors determine the choice between AC and DC motors for rolling mill operations?
DC motors are favored for applications requiring high starting torque, wide speed regulation, and precise control under sudden load changes. However, variable frequency AC motors are becoming increasingly popular due to their reduced maintenance requirements, robust squirrel cage construction, and high energy efficiency ratings under VFD control.
How does Vacuum Pressure Impregnation (VPI) protect high-voltage industrial motors?
The VPI process extracts moisture and air voids from the stator coils using vacuum pressure before injecting high-grade resin. This creates a solid, thermally conductive, and moisture-proof insulation barrier, preventing dielectric breakdowns caused by high humidity, chemical exposure, or thermal cycles.
What is the advantage of using synchronous motors (like the TDMK series) in mine milling?
Synchronous motors allow operators to adjust the excitation current to control the power factor. This feature can correct low power factors across the entire facility's electrical grid, eliminating reactive power penalties and stabilizing system voltage.
Can your explosion-proof motors (YBBP, YBX4) operate safely in chemical and underground mining zones?
Yes. Our explosion-proof and flameproof motor lines are certified to EU CE, UL, and ATEX standards. They feature robust enclosures that contain internal sparks or high temperatures, preventing them from igniting explosive external gases or coal dust.
How does SIMO Motor ensure mechanical reliability under transient overload conditions?
Through finite element design, heavy-duty forged steel shafts, and rigid cast-iron or steel plate frames. All rotors undergo dynamic balancing, and structural designs are engineered to withstand up to 2.2 to 2.5 times rated torque to prevent mechanical failure during shock load events.