Metal Cutting

Exploring the: EDM Equipment Zone
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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...


What it Takes to Do Unattended Wire EDM

The promise of running a wire EDM for long stretches without much operator attention is enticing, but many shops never manage to pull this off. Here are tips to make it happen, as offered by Mark Cicchetti, EDM technical director for Absolute Machin...


Hole Making as a Core Competency

This manufacturer leverages various nonconventional machining processes to create accurate holes in a range of tough materials. In fact, precision hole-making has become one of its specialties.


Straight Talk about Cutting Steep Tapers with Wire EDM

The RoboCut C400iA and two sizes of the larger C600iA wire EDM machines from Methods Machine Tools enable unusually steep tapers to be cut with the wire EDM process by positioning the workpiece with a rotary-tilt table.


Scratching the Surface

Although this shop has yet to fully explore the capabilities of a new wire EDM’s unique motion system and other precision-boosting features, more incremental improvements have already spurred management to order a second, identical model.


Moving in with a Customer

Shop owner Chris Nachtmann has established a close relationship with one of his biggest customers. In fact, he moved his operation inside that customer’s facility a couple years ago. Now, he’s making greater strides to invest in and grow his busines...


Cylindrical Drive Shaft Motors Replace Ballscrews on Upgraded Wire EDMs

In addition to linear shaft motor technology, the MV series from Mitsubishi EDM now features a redesigned automatic wire rethreading system, an enhanced power supply and high speed communication in the servo system, among other advances.


Auto EDM Wire Changers Compete at the High End

Automatic EDM wire-change capability can improve efficiency and reduce costs for high-end tool and die work, especially parts with small internal radii.


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