Monday, May 6, 2013

Looking For EDM Machines: Where Can I Find One?

EDM stands for electrical discharge machines. These devices are your best tools when you're working with hard metals in your fabrication and manufacturing business. Primarily designed for large-scale processing, EDM machines provide accuracy and overall production efficiency.

For smaller manufacturers of everyday items made of metal, such as small parts manufacturers or for some jewelry fabrication, there are other machines that may be more appropriate and less costly to perform the task.

Before acquiring EDM machines, it is important to understand the nature of your business, its production, and other operational requirements. It is only after evaluating your business needs can you truly identify what type of EDM machines would improve efficiency of your manufacturing processes.

What are EDM Machines

EDM machines go by different names or references. They have been called spark machines or eroding machines, which is a reference to the process that the machine uses to cut metal. They can also be referred to as burners, die sinkers and wire eroding machines. There are two basic types of EDM machines.

Created in the 1940s, die sink EDM are also known as R-C Type machine. R-C type pertains to the electrical circuit that charges the cutting electrodes on the EDM.

Two decades later, the wire cut EDM was released. These machines are commonly used in large-scale manufacturing operations. It operates on a pattern, usually following lines and prefigured models with precision.

The introduction of computers to machines created a computer numerical controlled or CNC EDM that came into use in the mid-1970s.

Where EDM Machines are Manufactured

EDMs were first invented in Russia at around the time of the Second World War and again in the 1960s with the advent of the wire cut EDMs. The U.S. patent for the wire cut EDM is held by Andrews Engineering Company of Hopkins, Minnesota, and was invented by a mechanical engineer named David Dulebohn. The manufacture of EDM machines take place in many different places in the United States and other countries.

Best Places to Find EDM Machines

If you're looking for reliable EDM machines for your business, inquire from a reputable dealer or manufacturer, with a long-standing experience and history with these machines, and would be able to provide technical support and training for your staff.

You could search the Internet for a listing of highly regarded EDM manufacturers or dealers. Read reviews and look for those with the highest rating.

When it comes to finding EDM machines, your local community college may be of some help. These technical schools may give you advice and assist you in finding high-quality EDMs from reputable dealers and manufacturers.

Just remember to check your resources, and don't forget to verify any information regarding EDM dealers or manufacturers.


For an efficient manufacturing process, be sure to have EDM machines for your business. Inquire from reputable EDM manufacturers or dealers.

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