The Beginning of Ram Type EDM (Sinker)
Ram type (also called sinker type) EDM was the first type of Electrical Discharge Machining used in the manufacturing process. I was lucky enough to see the first EDM machine made for the purpose of eroding metal. Most historians give credit to a metallurgist couple from Russia for developing the process, and this may be true. But the first known use of the process was a tap disintegrator...
Wire EDM: How We Got Here
More than 45 years ago, a young tool and die maker and plastic injection mold builder named Gordon...
bedra introduces gapstar ONE wire
Being the pioneer in all EDM wire generations, bedra considered the best features of its high...
Surface Finish Comparison
There are several different surface finish scales commonly being used. Typically, µmRmax (Ry),...
Thermocompact high end EDM Wires
Since its creation in 1913, Thermocompact has demonstrated continuous improvements in order to...
What Characteristics Should Be Examined When Comparing Two Different EDM Wire Types?
This is an excellent question that applies to both plain brass and coated/stratified wire. When...
The Most Effective Methods for Holding and Retaining Slugs
There are several different techniques for holding and retaining material slugs. These methods...
What Is the Best Type of Coated/Stratified Wire to Use?
This is a common question and one that does not have a simplistic answer, as there are many...
The Best Way to Store Wire Spools
When storing new or partially used wire spools, they should not be stored with the wire laying...
Back to Basics (6/6): EDM Metallurgical Characteristics
All EDM machining is a thermal/heat process that can alter or change the structure of the machined...
Back to Basics (5/6): EDM Drilling Machine Basics
As highlighted in the first lesson, there are three main types of EDM machines: Wire EDM, Sinker...