
FEATUREARTICLE
Establishing an Industry Edge
One mold shop has found a way to compete and win against overseas outsourcing.
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For more information contact Surfware (Westlake Village, CA) at (800) SURFWARE, via e-mail at info@surfware.com or visit the Web site at www.surfware.com.
America's Machine Shops Fight Back In fact, the word traditional doesn't apply to this company at all. "Everybody here wears a lot of different hats," explains Mike Milano, process engineer for D8, "Right now we're here talking to you and focusing on marketing and business development. But as soon as the interview is over we'll be back out on the shop floor." Another major difference is that the company has a design department, model and pattern shop, foundry and machine shop all under the same roof. Many mold shops are not always able to have an advanced design department with reverse engineering capabilities, model and pattern shop staffed with seasoned craftsmen, and a full foundry at their disposal. Having those abilities offers D8 great control of timeframes, quality and allows trained personnel to shift where they are needed. From its 15,000 square foot facility, D8 not only designs molds and patterns, but actually pours metal and does the machining as well.
3-D CAD/CAM Software Helps Produce Organic, 3-D Shapes The part programs produced by Surfcam are used to drive two machining centers. Because D8 is a mold shop working on molds for molded foam, rotational molds, thermoform molds and other mold types outside the injection mold world, a software was needed that was flexible enough for that type of work. Customers ask D8 to complete designs, fix made designs and CAD work, cut product models, prototype molds and production molds so they needed software with the flexibility to do all that work. Milano says, "With Surfware's versatility, power and cost, it offers more bang for the buck."
Molds and Patterns Cut in 50 Percent Less Time Some of the advanced aerospace air management system rotational molds D8 produces include very complex and highly critical geometry. They count on Surfcam to allow them to accurately produce, and reproduce these shapes. "Surfcam shines when it comes to complex geometry," says Milano, "Surfacing becomes easy with the confidence that you are not going to have gouging and subsurface cuts in the material. For tough surfacing, Surfcam is the one we count on. "Surfcam has become an integral part of our operation," continues Milano. "It has done amazing things for our production schedules. We use it on a daily basis, and so far we haven't run across a part that we can't cut." Adds Kimberling, "Most importantly, we're also able to cut parts in the manner that we like. That gives us a lot of confidence when bidding on new work. Complex surfacing is difficult but Surfcam's versatility in creating tool paths, coupled with the verification software, allows us to machine complex geometry with very little bench work to finish out cut surfaces. Driving cutters in the direction of choice, step-overs normal to surfaces, paths for optimum cuts, reduces bench time, all saves money and make nice cut parts. We now have the ability to make the tool do what we want, making it valuable." D8 also is able to quickly train personnel on Surfcam, and counting on its performance, they can keep projects on schedule. The industries D8 works in have cut leadtime expectations in half. "Today it's not just a game of hours, it's down to minutes and seconds. We need high performance, highly intuitive software to stay in the game," says Milano, "If we get stuck, Surfcam product support is right there for us. I don't think we've had a CAM issue go unresolved for more than an hour. Most issues are worked out in minutes. That's critical stuff when you have a one-week mold on the schedule. "In cases of what we call soapy shapes, where critical fit is realized by the translation of the CAD to CAM to cut geometry, the right tool is a must for getting the mold geometry right. From the critical unit fit for protective package or a cooler mold to critical unit to unit fit of an molded aerospace ducting part, the ideal CAM software should make cutting and completing the work on time, automatic. Surfcam is as close to that solution as we've found," says Kimberling. He continues, "Honestly, we wouldn't be doing a lot of the jobs that we're doing today without Surfcam. It allows us to take on more complicated geometry." Considering the work that D8 does, geometry varies greatly. If it's a critical molding project, Surfcam's very robust translators help to translate customers' geometry into molding part solutions. According to Milano, the software can bring in some not so friendly geometry and allow them to manipulate and cut geometry that other CAM packages would not be to able to do.
Advanced Technology Gives D8 Edge in the Marketplace
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