by Phil Kerner | Jan 4, 2015 | Members Only: The Tool Room, The Art of EDM
During my last video, I used a surface grinder to grind both 1° and 5° angles on the set of electrodes I was making. You no doubt noticed that I ground both angles to scribe lines on my electrodes. While I know that this method will greatly upset some of the "purists"...
by Phil Kerner | Jan 3, 2015 | Members Only: The Tool Room, The Art of EDM
In this lesson, we'll move on to grinding the electrodes needed to burn feature #2 on our drawing. There's a lot more going on with this set of electrodes and this video is almost an hour long. We'll grind our electrode blank to size, do some saw cutting, regrind the...
by Phil Kerner | Jan 3, 2015 | Members Only: The Tool Room, The Art of EDM
In this lesson, we'll be heading into the grinding room to start making some simple square electrodes for our first "burn" on the part I designed for this lesson. As you'll see in the video, I was able to make these electrodes quite a bit smaller due to the way the...
by Phil Kerner | Dec 29, 2014 | Members Only: The Tool Room, The Art of EDM
In this lesson, I'll re-examine the phenomenon of "overburn." I've been doing this teaching-online-stuff long enough to know that a lot of folks have a tendency to really "overthink" things, and tend to freak out when I make general statements like I'm going to do in...
by Phil Kerner | Dec 29, 2014 | Members Only: The Tool Room, The Art of EDM
In this lesson, I'll explain what electrode wear is and how it effects the EDM process. This is one of those lessons where you'll just have to trust my experience, as I've made thousands of graphite electrodes over my career. "Electrode wear" is just part of the...
by Phil Kerner | Dec 29, 2014 | Members Only: The Tool Room, The Art of EDM
In this lesson, I'll show you how to take a simple drawing, determine what needs to be machined via EDM, or "burned" as us old-timers call it. Beneath the video, you can download both the drawing that I'm using as well as the "electrode sketch sheet" that I use in the...
