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In recent years, in the highly competitive processing industry, enhancing the wear resistance of high‑quality slitting‑machine blades and improving blade production efficiency have remained key priorities for manufacturers. Companies continuously upgrade their products to boost steel durability, raise heat‑treatment grades, and increase both hardness and parallelism—factors that significantly enhance longevity. Moreover, the choice of steel and the manufacturing processes employed are critical determinants of a product’s wear performance. To achieve efficient, long‑lasting slitting‑machine blades, Shanghai Yutian has adopted cutting‑edge tool‑making technologies, implementing optimal machining sequences and the most effective processing methods. Among these processes, tool grinding plays an indispensable role. Although purchased blades account for only about 10% of total production costs, premium blades can improve operational efficiency by more than 20%, while durable, wear‑resistant blades can reduce manufacturing expenses by up to 18%. By refining the precision of slitting‑machine blades, companies can markedly increase slitting throughput, directly boosting overall productivity and strengthening their competitive edge in the market.