Surface Integrity in Ball Nose End Milling

Abstract

The ball nose end milling technology has become widely used these days in many fields of machining parts. The demand for safety, reliability and service life is increasingly causing considerable attention to the surface integrity. However, the study of applications about surface integrity in this field has not yet been published in so many other reports. This research originated from following up the cause of cutting mechanism around the center of ball nose end mill. This study deals with Pre-hardened steel NAK55 mainly and die steel SKD11and clarifies surface integrity in not so severe cutting conditions.