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A wire-cut EDM machine using the CNC drawing plotter and optical line follower techniques was produced in 1974. Dulebohn later used the same plotter CNC program to directly control the EDM machine, and the first CNC EDM machine was produced in 1976. [10] Commercial wire EDM capability and use has advanced substantially during recent decades. [11]
(EDM), also known as spark machining, spark eroding, burning, die sinking, or wire erosion, is a manufacturing process in which the desired shape is obtained using electrical discharges (sparks). Material is removed from the workpiece by a series of rapidly recurring current discharges between two electrodes, separated by a dielectric fluid and ...
Electrical discharge machining (or EDM) is one of the most accurate manufacturing processes available for creating complex or simple shapes and geometries within parts and assemblies. A machining method typically used for hard metals, EDM makes it possible to work with metals for which traditional machining techniques are ineffective. [1]
In 2003, Makino developed the first conventional horizontal wire EDM that automatically threads and machines with a 0.02mm diameter wire. [6] In 2006, the company developed High Energy Applied Technology (HEAT) for wire EDMs to increase speed in wire EDMing, [6] and released the EDAC1 micro EDM ram machine. Makino is also the only manufacturer ...
Functions within WorkNC Wire EDM allow the extraction of cross sections, ready for 2- or 4-axis cutting. Alternatively, the 3D surfaces of the CAD model can be used directly. It also includes graphical verification to automatically check for collisions and the maximum wire angle possible on each individual EDM machine.
This may be used to machine holes, or cut out a specific shape from another piece. An advantage of EDM is that it can have a very small kerf , and the wire can be passed through a hole, allowing intricate shapes to be cut from a piece without cutting through the edge of the workpiece, allowing the machine of a plug and socket that fit together ...
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