Back to Basics (2/6): The EDM Machining Spark

Back to Basics (2/6): The EDM Machining Spark

When you see an EDM in operation, it can appear that there are hundreds or even thousands of bluish-white sparks simultaneously discharging. But in fact, an EDM creates only one spark at a time. Each spark is precisely generated and controlled by advanced adaptive...
Back to Basics (1/6): EDM Beginnings

Back to Basics (1/6): EDM Beginnings

The EDM (Electrical Discharge Machining) process utilizes short bursts or pulses of electrical energy to erode and machine conductive materials. The process can be thought of as machining with lightning bolts, called sparks. The number and power of each spark can be...
General Tip: Clean and demagnetize the work piece

General Tip: Clean and demagnetize the work piece

As part of preparation, a work piece should be thoroughly cleaned and fully demagnetized before Wire EDM operations. You should clean fluids, coolants, oils, and debris off all of the parts.   Be sure to also clean any threaded or counterbored holes, because...
Is high-speed coated wire worth the cost? Yes.

Is high-speed coated wire worth the cost? Yes.

Coated wire delivers an estimated 20% increase in profit, and a 20-30% increase in cutting speed, but it’s more expensive than brass wire. Is it worth it? We think so. Consider than any shop’s most valuable profit driver is its hourly billable rate. Because coated...