I. PRODUCT SELECTION AND INTRODUCTION 

 (1) Servo Motors 

1. Power and Speed Advantages 

   - Motor selection: The 130ZF series servo motor, with a rated power of 3 kW and rated speed of 2000 RPM, meets the high-speed operation demands of lithium battery calendering machines, ensuring uniform compaction of electrode materials.  

2. Torque Characteristics 

   - With a torque of 14.3 Nm, it overcomes rolling resistance, ensuring stable and uniform pressure on electrode materials, guaranteeing consistent thickness and density. 

3. Magnetic Encoder Technology 

   - The magnetic encoder precisely measures motor rotation angle and speed, providing high-accuracy feedback for closed-loop control, improving rolling precision, and contributing to high-quality electrode production. 

 (2) MZ860 Series Servo Drive 

1. Synergy with Motors 

   - Drive selection: The MZ860PS015I servo drive pairs perfectly with the 3 kW, 2000 RPM, 14.3 Nm servo motor, maximizing motor performance through precise pulse signal adjustments via control algorithms. 

2. Pulse Control Features 

   - The pulse-type drive allows precise control of motor speed and rotation angle to meet complex requirements for different electrode formulations and processes. 

3. Stable Performance 

   - The drive ensures long-term operational stability, continuously delivering steady control signals to maintain motor performance, which is critical for uninterrupted lithium battery production and consistent quality, reducing downtime and defect rates. 

 II. APPLICATIONS IN LITHIUM BATTERY CALENDERING MACHINES 

(1) Calendering Process Optimization 

1. Precise Speed Control 

   - Chnchi’s servo motor and drive combination ensures accurate roller speed control, allowing electrode materials to pass through at optimal speeds. For example, in cathode material rolling, precise speed control improves electrode density uniformity, enhancing battery performance. 

2. Accurate Position Adjustment 

   - The magnetic encoder and drive work together to fine-tune roller positioning, ensuring precise roller gaps for different electrode specifications. This is crucial for producing uniform electrode thickness, improving battery consistency and safety. 

 (2) Improved Production Efficiency 

1. Fast Response & Stable Operation 

   - The MZ860 drive’s rapid response enables quick motor acceleration, deceleration, and stopping, minimizing adjustment time. The stable operation of the motor and drive ensures continuous production, boosting efficiency. 

2. Automation Integration Advantage 

   - Chnchi’s products seamlessly integrate with calendering machine automation systems, receiving commands and providing real-time feedback, making operations more efficient and enhancing overall lithium battery production workflows. 

 (3) Enhanced Product Quality 

1. High-Precision Calendering Assurance 

   - The servo motor and drive enable high-precision speed and position control, improving consistency in key parameters like electrode thickness and density, thereby enhancing overall battery quality. 

2. Reduced Defect Rate 

   - Stable operation and precise control minimize defective electrodes, lowering scrap rates and saving costs for manufacturers. 

CONCLUSION 

Chnchi’s self-developed servo motors and drives demonstrate superior performance in lithium battery calendering machines. By optimizing the calendering process, improving production efficiency, and enhancing product quality, they provide strong support for the efficient and stable operation of calendering equipment. 

As the lithium battery industry continues to evolve, Chnchi’s servo products are expected to be widely adopted in more lithium battery production equipment, driving technological advancements and industry development. 

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