with Big Data, but also with the expected explosion in Internet of Things (IoT) devices that contain embedded software and link sensors to networks and enterprise software via the web. A recent report from IDC (Fram- ingham, MA) estimates that the worldwide IoT market will grow at a 16.9% compound annual growth rate (CAGR) from $655.8 billion in 2014 to reach $1.7 tril- lion in 2020.
Big Data, IoT and especially additive man- ufacturing will all have an impact on PLM’s roles in the enterprise, and on the roadmap of most of the PLM vendors, said Peter Schroer, CEO of PLM developer Aras Corp. (Andover, MA). The new interest in IoT is driving elec- tronics and software content into products that have been traditionally 100% mechanical, Schroer added. “PLM systems now need to manage the complete confi guration of product data, including the software,” Schroer said, “and for many legacy PDMs [product data management], this is just not possible.”
CAD/CAM
In manufacturing, the product design cycle starts with CAD/CAM, a highly fragmented segment of the industry where larger compa- nies continue buying up smaller developers. The latest big acquisitions were the $97 mil- lion cash purchase of Cimatron Ltd. (Novi, MI, and Givat Shmuel, Israel) in November 2014 by additive manufacturer 3D Systems (Rock Hill, SC), and the July 2014 acquisition of Vero Software by metrology developer Hexagon AB (Stockholm). Key trends in CAD/CAM are continued growth in 3D modeling capabilities integrated within CAM software, expanded multiaxis machining support, and more choices in high-speed metal-removal roughing techniques, which dramatically cut machin- ing times. Integrated CAM systems are particularly popular in job-shop environments, with 3D modelers such as Autodesk’s (San Rafael, CA) HSMWorks 2015 integrated package and Delcam’s (Birmingham, UK) Delcam for SolidWorks being attractive choices for programming in job shops. Newer high-speed roughing strategies include
the Mastercam CAD/CAM system’s Dynamic Mo- tion toolpaths from developer CNC Software Inc. (Tolland, CT) introduced at IMTS, which trim as
SS4
AdvancedManufacturing.org
much as 50% off machining times for roughing operations, speeding effi ciencies in the shop. Other options are the highly installed VoluMill toolpath en- gine from Celeritive Technologies (Cave Creek, AZ), and Delcam’s Vortex controlled-engagement toolpath strategy that is incorporated into the Delcam Power- Mill, FeatureCAM and PartMaker CAM packages.
New ModuleWorks Simulation for hybrid additive/subtractive machining processes.
Image courtesy ModuleWorks GmbH
More choices for programming at machine tool controls are being added, making shop-fl oor program- ming much easier and effi cient. New routines from controls developers Heidenhain Corp. (Schaumburg, IL), Siemens Industry Inc. (Elk Grove Village, IL) and Fagor Automation Corp. (Elk Grove Village, IL), and others give machinists more options for making quick adjustments at the control, rather than by program- ming in a CAD/CAM system. Siemens’ Sinumerik Op- erate HMI recently added new functions for program- ming milling and turning machines, and Heidenhain’s iTNC 640 milling and turning control features new algorithms for automating processes and improving reliability. Likewise, Fagor’s 3D Compensation and kinematics calibration are key process improvements for machinists offered by the CNC developer. Another major development in CAD/CAM is the resurgence of die/mold machining returning
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