In the lithium battery industry, metal contamination is a critical metric of great concern to equipment manufacturers, production facilities, and end-users alike; particularly during the grinding of cathode and anode materials, the introduction of iron chips and wear debris into the powder can mildly compromise battery performance or, in severe cases, trigger safety hazards. Consequently, in recent years, an increasing number of roller-pressing equipment have begun replacing the metal rollers in critical components with ceramic double rolls.
Kingcera recently received an order from a returning client. The client is a machinery manufacturer supplying the lithium battery industry, who had previously commissioned Kingcera for several batches of ceramic components for jet mills and other equipment; through these collaborations, they have highly recognized Kingcera’s processing capabilities in structural ceramics. This time, they requested a set of ceramic double rolls with a diameter of approximately 300 mm, intended for fine grinding.
The client’s requirements were highly specific: eliminate metal contamination, minimize wear debris, ensure powder purity, and simultaneously extend the service life.
After thoroughly studying the client’s requirements and specific operating conditions, Kingcera decided to utilize ARZ material, which integrates both wear resistance and impact resistance. When applied to a roller press, it not only withstands long-term rotational extrusion but also prevents the generation of metallic wear debris during the grinding process.
For Kingcera’s ARZ ceramic double rolls, both the steel and ceramic components are completed in a one-stop process within Kingcera’s workshops; the batching, pressing, sintering, and fine machining of the ceramic rings are conducted synchronously with the machining and assembly of the internal steel parts. Core parameters such as the fit tolerance between the ceramics and steel parts, assembly stress, and concentricity are completely and independently controllable, ensuring guaranteed quality, and the product delivered to the client is a fully assembled unit.
This is also the reason why this returning client chose to partner with Kingcera again. During their previous procurement of jet mill ceramic components, they had already experienced Kingcera’s processing capabilities in structural ceramics—capable of manufacturing complex shapes, large sizes, and high-precision components; furthermore, Kingcera enjoys an excellent reputation domestically and internationally within the industry as a trustworthy wear-protection expert, capable of providing clients with wear-resistant products and services across the entire industrial chain.
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