A Review of the Superfinishing Method: Application to Precise Crankshaft Machining

—The process of crankshaft finishing has witnessed significant advancements in recent years, fueled by remarkable progress in science and technology. Modern single multi-spindle rotary grinders have revolutionized the field, enabling high-precision machining of crankshafts. This innovative setup facilitates the determination of optimal finishing levels based on temperature prediction, leading to reduced machining time, minimized thermal damage, and diminished wheel wear. This comprehensive paper delves into the latest advancements in crankshaft polishing, meticulously evaluating the contributions of production process optimization and boron nitride (CBN) grinding wheel modification. By thoroughly analyzing established grinding methods, the paper sheds light on the most effective approaches for achieving superior crankshaft finishing outcomes.