Today, in the metal working industry, electrical discharge machining (EDM) is also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion. It is a manufacturing process whereby a targeted shape is obtained by using electrical discharges which normally cause sparks, therefore in Chinese it is also called the sparking machining as the literal translation.
During the machining process of wire cutting EDM, unwanted materials of the work piece are removed from the work piece by a series of rapidly recurring current. Among the components, one of the electrodes is called the tool-electrode, and the other is called the work piece-electrode. The machining process is determined by the tool and work piece which would not make actual contact. Although there are several types of EDM processing nowadays and here in the section above we discuss one type about drilling which is largely adopted in the manufacturing of precision objects.
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Where was the sawing concept came from?
In the history, saws were at first serrate-like or serrate-shaped natural objects such as shark teeth that was put to use in the daily usages. In the ancient Egyptian history, unframed saws which were made of copper were recorded as early as the 3,100BC.
In the machine tool industry, all kinds of machine tools would be designed and installed with at least a tool holder, or tool holders.Oct 10, 2019
Boring and milling machine, as its name tells, is the machine tool whose machining process utilizes spinning tools to remove materials by advancing a tool into one or several work pieces under either the control of a computer numerical control (CNC) system or manual operation.Jan 28, 2019