| 摘要 |
The present invention provides a collet for jetting a coolant, including: a body unit comprising a body, a hollow portion which is formed in the body, wherein its inner circumferential surface is formed so as to be pressed with a cutting tool, and a lot which is penetrated in the direction of thickness of the body and connects to the hollow portion; and a cover unit comprising a cylindrical member which is extended integrally from the body, is located in front of the slot, and is formed to block the end of the slot, wherein the cylindrical member is extended to front end, a flange which is radially extended from the cylindrical member and protrudes more than the body, and a coolant injection groove which is depressed on the inner peripheral surface of the cylindrical member, opens toward the front end, and is connected to the slot. |
