Makino's new SP43 wire EDM machine is targeted for the stamping die market, the largest market for wire EDM machines in the United States. But, it also has application in numerous other market segments looking to drive out operational costs.

The SP43 features Makino's PVG™ cutting technology, along with the Wire Wizard™ control process software. It is a competitively priced, extremely fast part-in/part-out production wire-cutting machine, able to hold tolerances of +/- 5 microns.

Makino's PVG™ Technology
Makino's new, state-of-the-art PVG™ cutting technology allows the SP-Series to operate 30 percent faster than previous wire EDM technology. PVG™ stands for P-Cut, V-Corner and GS-Cut, which are all control features designed to improve part accuracy and machining performance.

P-Cut facilitates faster rough cutting and improved surface finishes by controlling the spark gap. V-Corner is a unique control capability that provides outstanding shape accuracy, most notably in small corner applications. GS-Cut improves straightness in the initial cut, reducing the corrective error for the skim passes, thus producing straighter parts in less skim passes with reduced cycle time. This advantage is greatest on thicker material, which is a problem for many competitive wire EDM machines.

SP43 Features
The SP43 is a solid workhorse, and can be used for many diverse applications, from tall workpieces to precision small holes. The Makino wire guide system offers superior reliability and maintainability. It can be cleaned without removing the guides; therefore, there is no need to align the guides after cleaning.

And, cleaning takes only a few minutes by using a cotton swab. The programmable auto-threading unit of the SP43 has a 15-second thread time.

The unit has the ability to handle a maximum workload of 1,760 pounds (800 kg). It is a sturdy 5,940 pounds (2,700 kg) in a compact 8.5 x 8.5 x 7.63 feet (2,550 x 2,550 x 2,290 mm) footprint. The dual-action doors (two doors in one) and easy to reach table height of 38.8 inches (970 mm) are noticeable design features for operator convenience.

The SP43 machine has an X-, Y- and Z-axis travel of 18 x 12 x 12.8 inches (450 x 300 x 320 mm) with a maximum workpiece size of 29.2 x 20 x 12 inches (730 x 500 x 300 mm). This machine offers the use of wire diameter sizes from 0.004 inch to 0.012 inch and taper cutting capability up to 15 degrees.

Makino's Wire Wizard™
Wire Wizard™ (MGW-S) software is an easy-to-use control system for Makino wire EDMs designed for total part processing. The software has three main components—Programming, Set-Up and Operation—which provide the basic needs for any application. It uses this logical approach by actually prompting the operator through the process. This simplistic operation makes the learning curve of the software negligible, providing an easy transition for any operator.

Makino's Wire Wizard™ also offers an estimating feature that will actually calculate part- manufacturing cost. With minimal input from the operator, the control software will output total machining time, consumable costs, and can even output total part cost if an hourly shop rate is applied. This allows customers to monitor, control and drive out operational costs when utilizing the SP43 wire EDM.

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