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Lithium Ion EV Battery Foil Coating: Increasing Accuracy and Throughput

In lithium-ion battery production, the coating of metal foils to create pole pieces is a crucial step. The process must be carried out with utmost precision, with the results strictly monitored, in order to ensure the functionality and long-term reliability of each battery cell.

Using Kollmorgen direct drive technology, manufacturers are achieving coating accuracy of less than ±2 g/m2​ and layer thickness accuracy of less than ±1 μm — while also increasing coating width from 1.5 m to 2 m and production speed from 60 m/min to over 100 m/min.​

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Blade Battery Lamination: Improving Precision and Efficiency

Blade batteries have become the most popular choice for manufacturers of battery-electric and plug-in hybrid vehicles. The lamination process is essential in the production of these batteries, and the efficiency of the entire lamination stacking machine is limited by the feeding and slicing station.

Learn how Kollmorgen helped a major equipment manufacturer in China significantly increase the accuracy and throughput of its double-station slice feeding equipment using direct drive technology incorporating our DDL linear motor and AKD servo drive.

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Laser Welding: Increasing Trajectory-Welding Speed and Control

Laser-welding technology is used to seal-weld stainless steel and aluminum shells, and to seal-weld the top cap to the shell of lithium-ion batteries. However, today’s standard trajectory-welding machines don’t offer the speed, accuracy and yield required to meet the rapidly growing demand.

Kollmorgen direct drive technology greatly enhances motion-control precision and increases trajectory-welding speed. Learn how these optimizations improve battery production efficiency and quality while boosting the welding yield rate to over 99% and reducing production costs.

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Direct Drive Linear Motors

Direct Drive Linear Motors >

A Direct Drive Linear (DDL) motor is basically a rotary motor that is laid out flat and directly coupled to the driven load, eliminating the need for ball/lead screws, rack and pinions, belts/pulleys and gearboxes.

AKM2G Servo Motor >

AKM2G represents the latest evolution of the industry-leading AKM motor family. With significant torque increases in the same motor size OEMs can achieve substantial performance improvement without changing the motor mounting or using more machine space.

AKD2G Servo Drive

AKD2G Servo Drive >

Born from a rich AKD heritage, AKD2G is the latest servo drive technology adding:

  • Dual-axis technology for additional space savings
  • Built-in functional safety options via SafeMotion Monitor (including FSoE)
  • Color Graphic Display
  • Optimized for single-cable power and feedback