According to the characteristics of precision and ultraprecision cutting , the ironing effect of PCD cutting tool flank is analyzed,and the definition of overlapping intensity is proposed .

• 根据精密、超精密切削的特点，对PCD刀具后刀面的熨压作用进行了分析，提出了错位强度的概念，并通过试验获得了PCD刀具后刀面错位熨压的规律。