paper recycling, and plastic shearing industries, heavy-duty cutting operations face persistent pain points that restrict production efficiency and increase operational costs. Most standard cutting blades on the market are made of ordinary carbon steel or low-alloy steel materials, which exhibit obvious defects under long-term high-load working conditions. These conventional tools are prone to edge wear, chipping, and deformation after short-term use, requiring frequent replacement and machine downtime.連続バッチ生産を追求する大規模産業工場向け、