EDM WIRE TYPES

Wire EDM easily cuts and drills materials with complex designs. In this process, tool is not used, and the cutting power is not consumed. Therefore, the cost of machine use is low. Wire electrode cuts materials with an electric arc. This method is ideal for cutting hard materials that normal cutting machines cannot cut.

We can provide our customers type of wire they want in the shortest time. Our wire reels are available in different lengths. This allows you to purchase the most suitable length for your business. Accurate determination of wire length reduces machine downtime.

WIRE EDM AXES

The workpiece is cut by moving the wire towards the machine axes. There are 5 axes to be X, Y, Z main axes, and U, V auxiliary axes in wire erosion machines.

X-Axis: Allows the table to move left and right.
Y-Axis: Allows the table to move back and forth.
Z-Axis: The vertical axis of the wire. It changes according to the thickness of the cut material.
U Axis: It is axis formed by moving the wire in X-axis.
Y-Axis: It is axis formed by the movement of wire in the Y axis.

WIRE SELECTION

Today, many EDM wires are available, and these wires must be selected according to purpose. Thanks to correct wire, processing time decreases, and materials are cut more accurately. For our customers, we have many kinds of EDM wire according to their economic, fast, resistant properties. We can also provide special wires for special cases such as carbide, PCDs, and sharpening. Below are parameters that should be considered in wire selection:

TENSILE STRENGTH

It is determined by calculating maximum load amount per square inch of wire. High tension wires provide better edge uniformity. Ideal for single-pass parts to prevent wire breaks.

BREAK RESISTANCE

Fracture resistance can be defined as wire hardness or flexibility. Wires with high fracture resistance provide faster cutting of harder parts.

CONDUCTIVITY

This is a measure of the wire's ability to carry electric current. The conductivity of wire and efficiency are directly proportional.

EVAPORATION TEMPERATURE

Low melting and evaporation temperature of wire makes cutting more efficient. Wire evaporation provides a more ideal cutting process than melting. To increase the surface smoothness of very sensitive and small parts, the evaporation temperature of the wire should be high.

HARDNESS

It defines the hardness, ductility of the wire. On closed guided machines, the hard wires work better than the soft wire, but the soft wire is better at taper cuts. Hard wires are more reliable in automatic processing.

WIRE TYPES

The first wire used in the wire EDM method is copper. It is still used due to its usability and high conductivity.

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The most widely used EDM wire today is brass wire. Brass material is obtained by adding zinc to copper.

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Coated wires contain copper or brass cores and are coated with metals such as zinc, copper, silver.

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In medical and military applications, the surface must not be contaminated with copper or zinc. Molybdenum wire is preferred because it does not adhere to the workpiece surface.

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Tungsten wire ensures sharp cuts of very thin and very flat walled details. It like molybdenum wire is also used on sensitive products, and prevent zinc and copper residues on surfaces.

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