Electric discharge machining tool chuck for archaistic coin

• Main Author: CHEN MIAOQING
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2018
• Subjects: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL; TRANSPORTING; WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL

The invention discloses an electric discharge machining tool chuck for an archaistic coin. The electric discharge machining tool chuck is characterized in that a chuck upper part is connected to an EDM machine tool, a concave cavity is formed in the lower end surface of a chuck body, a straight groove is milled in the bottom surface of the concave cavity, a screw hole is formed in the position, atthe lower part of the chuck body, of the circumferential wall, a machining electrode is arranged in the concave cavity in the lower end surface of the chuck body, a screw locks the coin through the screw hole, in the dismounting process, the screw is loosened, and the screw can fall off by turning the screw gently with a straight screwdriver in the straight groove. 种仿古钱币的电火花工装夹头，其特征在于夹头上部与电火花机床连接，夹头下部端面有凹腔，凹腔的底面铣有直槽，夹头下方的圆周壁打有螺丝孔，所加工的电极安装于夹头下部端面的凹腔，螺丝经螺丝孔锁紧钱币，拆除时放松螺丝用字螺丝刀在直槽上轻轻扳即可脱落。