CAD/CAM SOFTWARE
Make it Faster, Easier, Better With machine and part com- plexity on the rise, manufacturing customers have been clamoring for CAD/CAM tools that offer many au- tomation choices to speed part pro- gramming. “There’s been a big shift over the last few years, and that is to go to physics-based machining,” said Daniel Frayssinet, CEO of CAM software developer DP Technology Corp. (Camarillo, CA). “If you look at it from a user perspective, things are becoming much more complex, much more diffi cult, and they need a lot of productivity because there is a lot more complication. The only way they can get more profi t is by climbing up the pyramid of the complexity, going to parts that have much more value
The Esprit 2016 CAM software includes a spiral roughing toolpath for fi ve-axis machining, allowing the removal of material around the entire part and eliminating one or more semifi nish cycles.
to them, or add value to the parts later. And this means a lot of complexity.”
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Zimmermann Inc. | Portal Milling Machines
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AdvancedManufacturing.org | March 2016
In its latest Esprit 2016 CAM software, DP Technology has added to its physics-based engine’s capabilities with a new Profi tTurning machining cycle that augments its earlier Profi tMilling technique, said Frayssinet. The new functionality, which Frayssinet said has been under development for 10 years, is now available across DP Technology’s software line. “Customers need ease of use, automation, and productiv- ity—it has to be done very quickly and very easily,” he said. Profi tTurning uses the same technology as Profi tMilling, keeping a constant tool load and minimizing the changes in parameters. Frayssinet said the technique takes into account the machine tool’s kinematics and dynamics, modifying the cutter path accordingly to optimize the tool acceleration, tool speed, and tool jerk. “It’s the difference between cutting and shaving,” Frays- sinet stated. “To cut things, you need a lot of energy. Shaving takes a lot less energy. This [shaving] is much greener, you need less coolant, and you can do a lot of dry machining.” Not only is the tool life longer, but since less power is need- ed, jobs can be done on machines with less horsepower, he added. “What happens is some people defi nitely need this and ask for it. Others you have to convince them. Seeing is believing though—as they keep using it, the tool life is better, and they need less horsepower.” The current trends in CAD/CAM are for more complex parts and machines, less programming time, less time on the machine and less setups, said Nick Spurrett, regional direc-
Image courtesy DP Technology Corp.
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