A major steel manufacturer in northern China was struggling with frequent breakdowns in its rolling mill lines due to the limitations of outdated DC drive systems. The old motors could not withstand the high torque and variable load demands of continuous steel rolling operations. This led to inconsistent rolling speeds, excessive energy waste, and costly unplanned downtime. In search of a more stable and efficient drive solution, the company partnered with Simo motors to upgrade their system with the advanced Z4 motor series.

The Simo motors Z4 motor is designed specifically for demanding industrial applications such as steel processing, mining, and heavy machinery. It delivers strong overload capacity, smooth speed regulation, and excellent dynamic response under varying operational conditions. Its optimized ventilation system and reinforced insulation ensure reliable operation in environments with high temperatures and heavy dust—common challenges in steel production facilities.

After replacing the outdated motors with Simo motors Z4 motors, the plant recorded a 25% improvement in operational stability and a 15% reduction in energy consumption. The new DC motors provided precise torque control, which improved the uniformity of rolled steel thickness and reduced material waste. Additionally, maintenance intervals were extended thanks to the robust mechanical structure and easy-access design, minimizing downtime and boosting overall productivity.

This successful application demonstrates how Simo motors continues to support the steel industry with durable and high-performance motor solutions. The Z4 motor’s combination of efficiency, reliability, and adaptability makes it a trusted choice for industrial plants aiming to modernize their production systems and achieve long-term cost savings.

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Simo motors

Z4 motor

High efficiency motor