Pig dehairing machines (also known as dehairing machines) are core equipment in the slaughtering process, and their maintenance directly affects production efficiency, dehairing effectiveness, and equipment lifespan. Maintenance can be divided into three levels: daily, periodic, and long-term. Daily maintenance (after each shift) includes thorough cleaning, inspection of the dehairing rods (rubber fingers), inspection of fasteners, and lubrication checks. Periodic maintenance (weekly or monthly)