Raysun Innovative Design, a Rugby-based end-to-end precision engineering, design and manufacturing business, has invested in a second Mitsubishi EDM machine, an MV1200S model supplied by the Engineering Technology Group (ETG). The new machine sits alongside its existing MV2400S with simultaneous 6th axis rotary indexing unit.

Charles Ray, director at Raysun Innovative Design, says: “We purchased our second Mitsubishi because we had a good experience with the first machine, the larger MV2400S. This first machine was a bit of a chance for a small business like ours, buying a ‘top-end’ machine tool. However, after we had invested, we found that we were using the machine for all kinds of applications that at first didn’t appear obvious.

“The quality of the Mitsubishi machines really is the core of our business,” he continues. “We rely on them perhaps more heavily than we should, but if we are measuring a part on the CMM and get a questionable result, we look at the CMM first rather than the EDM machine. This demonstrates our reliance and faith in this particular platform.”

As an engineering group, Raysun Innovative Design admits it had very limited previous knowledge of EDM.

“I am not a programmer myself, but my colleagues tell me the control is considerably upgraded from the previous version on the MV2400S that was installed some years back,” says Ray. “From a quality viewpoint, it is much more accessible for maintenance routines; in fact, we can add our own maintenance requirements into the control. If we were in the market for another wire EDM machine, which we may be in the future, there is little doubt that Mitsubishi would be top of the list for consideration.”

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