PNT - Electrode Calendering (roll-pressing) Machine

PNT’s Electrode Roll Press is machinery that rolls the coated web to a certain thickness.

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The most important thing in rolling is to precisely control the gap between the main rolls so that a constant lip pressure is applied to the entire electrode.
PNT uses a hydraulic servo control system to control the position of the lower roll, so this ensures reproducibility within 1μm.
When rolling the anode electrode, hot rolling can be applied to achieve a higher pressure rate, and in the case of the cathode electrode, multi-stage rolling can prevent spring-back.
In addition, PNT has various wrinkle removal technologies, such as high frequency induction heating device, 1000N high tension stretching device, and so on.
-Applied technologies as below
Real-time precision line pressure display possible
High tension stretching device
Non-coated area heating device
Main Roll Cleaner Optimization technology for various battery types (Scraper, Oil cleaner, Non-woven technology combination, Hot Roll Scraping Blade development using Heat-resistant material)
Tandem facility development (multi-stage rolling function with two main rolls, applied tension control technology between main rolls)
Solution for heat problems under high-speed and high-pressure rolling conditions, minimizing thickness variation
Automatic thickness compensation Close loop function (APC – auto position control, fast response speed from hydraulic servo control)
Ability to propose main roll machining shape with its own simulation system.

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