Electrical Discharge Machining (EDM)

Using Grinding Versus EDM to Finish Form Tools
Finishing carbide inserts using EDM or grinding.

EDM Machine Probing Possibilities
Probing options for electrical discharge machining equipment range from simple to sophisticated. Here are options for wire, sinker and hole-drilling EDM.

EDM Enables DIY Form Tools
This manufacturer uses its EDM unit to make and sharpen form tools for its production equipment. Strategically, learning new skills in-house may lead to future commercialization of a value-added process not previously available. It could be a model ...

Mold Manufacturing Automation Leaves No Part Behind
The right mindset, the right five-axis technology and an intuitive approach to palletization help this mold shop extend automated control to the majority of its high-mix work.

The 2016 Capital Spending Survey
The machine tool market bottomed in the summer of 2016, but will continue to rebound in 2017 as shops invest in technology for unattended operation.

“Smart” Generator Technology Makes EDM Operation Intuitive
GF Machining Solutions offers four generator features that enable users to input desired burning results into the CNC, and let the system do the rest.

Wire EDM for Jet Engine “Fir Trees”
Advances in wire EDM (electrical discharge machining) technology have made it acceptable for machining critical aerospace parts. It may now become the preferred method for cutting turbine disc “fir trees,” a particularly demanding applic...

A Hollow-Access Unit for Wire EDM
By simultaneously rotating and tilting the workpiece, this rotary tilt/turn hollow-access device from Hirschmann enables the EDM wire to cut complex openings that may have different paths at the top and bottom of the opening.

Getting in Touch with Optimal EDM Results
Makino’s Hyper i control for wire EDM uses touchscreen navigation in its user interface, which helps a basic user to match the productivity and capability of an experienced operator.

More Accurate Taper Cutting with Wire EDM
Cutting tall, steeply tapered surfaces with wire EDM often creates an overburn situation if the slope of the wire path changes from the top to the bottom of the cut. A feature called Volumetric Taper Compensation with four-axis overburn control comp...