讲解员： 范壮壮
Electrical discharge     machining
Content
The concept of the EDM
1
The principle of the EDM
2
     The characteristics of the EDM  
3
   Development direction of EDM
4
1 The concept of the EDM
Electrical discharge machining is a special processing method, which is used to resist the electrical erosion caused by the pulse discharge between two electrodes in the working fluid. It is also known as the discharge machining or electrical etching process, which is called EDM电火花加工是利用浸在工作液中两极 ...