lose sight of this important fact in the very visual world of machining simulation and the animation of the machine. Pretty pictures are nice, but process simulation is an engineering analysis tool. It doesn’t matter how nice the images look if the simulation is unable to alert the user of process problems, such as small-but-disastrous workpiece gouges. Unfortunately, some software simulation methods reduce accuracy for faster simulation speed while hiding unrealistic fl aws with graphics shading ‘tricks’—not only are the fl aws hidden, but so are process errors.”
TThe new FastSuite Edition 2 from Cenit AG is a digital manufacturing solution that offers robotic programming, plant-fl oor layout, and digital validation and commissioning.
Image courtesy Cenit AG
An additional detailed analysis feature recently introduced in Vericut is the Force method of cutting analysis and feed rate optimization, Hasenjaeger said. “Based on years of research at one of our large aerospace manufacturing customers, Force evaluates the cutting conditions for each machining cut and predicts cutting forces, torque and chip load,” he said. “Diffi culties can be quickly identifi ed and feed rates automatically adjusted to bring the conditions within a range of optimal machining behavior.”
Mobile Verifi cation, Optimization Taking NC verifi cation onto the shop fl oor,
Spring Technologies (Paris), developer of NCSIMUL Machine 9.2 simulation and verifi cation software, recently introduced its mobile system, called WYSI- WYC (What You See is What You Cut), that runs its fl agship software embedded on a fully rugged Pana- sonic Toughpad IP65 tablet.
SS30
AdvancedManufacturing.org
The WYSIWYC is fully synchronized in real time with the machine tool, noted Silvere Proisy, US general manager, Spring Technologies Inc. (Boston), allowing users to slow down the machine on the shop fl oor with the handheld mobile device. The rugged tablet version of the software was fi rst devel- oped with FANUC controls, Proisy said, and it can now operate using the virtual NC kernel (VNCK) in Siemens Sinumerik controls. In addition to verifi cation, Spring’s solutions include an optimization module, Optitool, that can signifi cantly improve feeds and speeds on metalcutting processes. “To optimize effi ciencies, you can improve the cutting times of your machine tool by 6, 10 or 20%, which is a signifi cant process improvement,” Proisy said. An optional module, Optitool is currently being used by about 30-40% of Spring Technologies’ customers, he added. “If it saves some time on their machine, it makes sense even if you make a gain of only a few minutes on repetitive production parts.” Another development in NC simu-
lation/verifi cation is the use of physics- based technology for analysis, verifi ca- tion and optimization of NC cutting processes. At IMTS 2014, Manufac-
turing Automation Labs Inc. (MAL; Vancouver, BC, Canada) previewed its new NPro advanced physics- based process simulation and toolpath optimization software developed as a plug-in module for Siemens PLM Software’s (Plano, TX) NX CAM software. In contrast to geometry-based solutions, which adjust purely on the volume of material removed, the Npro software considers the geometry of the chip being removed, workpiece material properties, tool geom- etry and tool motion (kinematics), and machine-tool limitations and dynamics. The NC simulation in Siemens NX CAM is an internally developed system that does full G-code simulation, said Aaron Frankel, Siemens PLM Soft- ware’s director of product marketing. “We also have the ability to use the actual controller software from Sinumerik controllers’ VNCK, which gives the best fi delity simulation possible. We’re partnering with different companies like MAL, using a physics-based
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