Circuit World - Emerald - Quarterly - Vol. 21,No.1,2015 The purpose of this paper is to obtain the micro drill bit temperature field distribution in micro-drilling process and the temperature dropin retracting process with simulation software ISSN: 0305-6120 Subjects--Topical Terms: LC Class. No.: https://www.emerald.com/insight/publication/issn/0305-6120/vol/41/iss/1