An automatic lathe and a drilling method of an automatic lathe

摘要

An automatic lathe comprising, a tool post (1) having a rotative driving source (6), and a vibration cutting unit (7) detachably mounted on the tool post (1) having a drilling tool (49) to perform drilling by applying vibration to the drilling tool (49) by driving power from the rotative driving source (6). There is also a drilling method of an automatic lathe by applying vibration to a drilling tool (49) by using driving power from a rotative driving source (6) of a tool post (1). <IMAGE>