Cleaned Molybdenum Wire in EDM Machine
Critical components of the EDM process are the wire and the dielectric water. Wire comes in several materials and a range of diameters, including molybdenum wire,copper,cleaned molybdenum wire is a much better choic to increase quality and speed.
EDM is wire cutting machine, and it used cleaned molybdenum wire to increase its quality and spped, because molybdenum wire owns high ductility.
Implantable medical devices, for example, must not encounter copper, so cleaned molybdenum wire is used. Break-resistant steel-core brass wire is used for applications where the wire is under high tension.
A much detailed table of EDM materials is showed following.
| • Stainless steel • Titanium • Steel • Copper • Aluminum • Molybdenum |
• Hastaloy • Kovar • Carbide • Inconel • Hard tool steels •Any conductive material |
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The cleaned molybdenum wire is electrolytic polished molybdenum wire, the surface shall be clean, smooth and bright, uniform in dimension. Mainly applied for mandrel of spiral filament, lead, support and other components.
Black molybdenum wire is molybdenum wire with graphite coating, and its surface color is black. Black molybdenum wire is always in coiling or straight. In addition, black molybdenum wire is always annealed.
Spray molybdenum wire is regularly covered with graphite. When removed graphite, spray molybdenum wire is metallic luster. It has a good high-temperature tensile strength and corrosion resistance after sintering, forging, and drawing.
Pure molybdenum can be presented in many types. Molybdenum bar is one popular product made of molybdenum. Therefore, molybdenum bar shares the properties of molybdenum, which are high melting point, good thermal conductivity and low thermal expansion. At high temperature, they can resist oxidation and have high strength without any distortion during the procession, etc.