The document discusses wire cut electrical discharge machining (EDM), where a very thin wire acts as the electrode. Thermal energy from sparks melts narrow sections of the workpiece to create the desired shape. A small gap of 0.02-0.05mm is maintained between the traveling wire electrode and workpiece, with a dielectric fluid pouring continuously to conduct electricity and flush away melted material. Wire cut EDM is used to machine sheet metal dies, extrusion dies, and prototype parts.
it is a presentation on electrical discharge machining which is new method for machining hard conductive materials which are difficult to machine with old technique of machining. it does not cause wear of tool.
it is a presentation on electrical discharge machining which is new method for machining hard conductive materials which are difficult to machine with old technique of machining. it does not cause wear of tool.
EDM is a recent machining technique used to cut metals which can’t be cut with traditional methods. EDM works with materials of electrical conductivity.
Electrical Discharge Machine is an advanced machining method which removes metal by a series of recurring electrical discharges betweenn an electrode and a conductive workpiece, submerged in a dielectric fluid.
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4. The principle used in the Wire cut EDM is
same as that of EDM i.e. Thermal energy of
spark is used to remove the material of the
work piece.
It used wire of very small diameter 0.05 to
0.25mm as an electrode.
5. In this process the work piece is mounted on the
table and the motions are controlled to create
the desired shape.
The electrode wire travel at the through the
spool through the W/P up to the winding spool.
The gap of 0.02mm to 0.05mm is maintained
between work piece and the wire electrode.
Spark melts the work piece.
A dielectric fluid usually deionized water or oil is
poured continuously on the wire electrode and
W/P area to be machined. It act as conductor for
electric current and as coolant to carry away the
machined metal particles.
6. It is used for the machining the sheet metal
dies, extrusion dies and prototype parts.
