EDMs, or electronic discharge machines, are computer controlled machine tools which use electrical discharges or sparks to make a desired shape in a metal. An EDM machine could be interchangeably called spark machinery, die sinking, spark eroding or wire erosion since metals are subjected to different electrical method to obtain the desired design or shape.
There are two main varieties of electronic discharge machines.
A sinker EDM utilizing an insulating liquid (oil or dielectric fluid) to make use of electrical discharges along with a wire EDM which uses just one strand of brass wire to generate deep cuts within the metal. Other popular types include small hole and spark EDM’s.
There is a lengthy report on industries designed to use these machine tools. From manufacturing coins to fabrication of auto parts, these industries plus much more have took advantage of the truth and effectiveness of numerous EDM machines. In mould production or even the development of prototypes of any machinery component, they are indispensable being a mould-making tool. Countless industries like automotive, electronics, mechanical and aerospace industries have used parts and components which might be produced using these machines.
EDMs can also be used in processes requiring precise and accurate cutting or forming. A little hole drilling EDM can be used to make holes in metal parts so that large plats might be eroded towards the metal with no need of pre-drilling. This process is employed in many industries to make parts including turbine blades in jet engines, different components for fuel systems, and others.
What makes EDMs preferred over other computer controlled cutting machines?
• These machine tools can easily cut hard metals according to any set design which may not possible using other traditional cutting tools. They could shape extremely hard metals which can be impossible with lots of other cutting tools and equipment.
• They’re built to create excellent, precision finished products. Difficulties with final product outcome are eliminated as there is no point of contact in between the unit and the metal or work piece.
• In essence a metallic spend the a fantastic surface finish due to the critical cutting
ability in the tool. Even fine holes are possible having an EDM which can be impossible to recreate using any standard cutting tool.
• The fabrication speed could possibly be slower when compared to high volume production cutting tools but the end product is really as good because prototype.
• The application of oil-based insulating fluid improves the way the pad is cut. This ensures precision and impressive final results which may reduce material costs.
Although the most common problem with excessive wearing of tool parts is inevitable in most EDMs, parts and precision components are typically easy to find.
In addition there are many companies that offer maintenance and repair services. They do typically need a lot of maintenance and efficient handling.
However, well-maintained units provides numerous years of precision service.
An EDM machine is indispensable regardless of what industry it’s employed in, so be sure that you trust only the most reliable EDM distributors with your industry for equipment, parts, fix.
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