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52 SMT007 MAGAZINE I MAY 2018 3. By evaluating the (CPHC x VC) and brain- storming alternative line configurations, an engineer can perform what-if analysis to ensure a product is being built on the best line config- uration to maximize capacity utilization and throughput. Products "placements per panel" and "forecasted panel volume" are important factors to consider when choosing what capac- ity SMT machine to purchase. With information equipment manufacturers have today, they can calculate the CPH equa- tions for their equipment to share with custom- ers to supplement the "IPC-9850" and "Manu- facturer Maximum CPH" figures. Together the supplier and customer can understand the impact of different machines for all their prod- ucts on an SMT line. SMT007 References 1. 2015 IPC International Technology Road- map for Electronic Interconnections, 2015, pp. E1-68. 2. GS-426-00 Rev. D, Genesis Platform GC120Q, GC-60D, GI-14D, GX11D, GC30S, GX-11S General Specification, 2009, pp. 45. 3. IPC-9850, Surface Mount Placement Equipment Characterization, 2002, Form 9850- F1 Performance. Editor's Note: This article was originally published in the proceedings of SMTA Interna- tional 2016. Gregory Vance is a senior project engineer on Rockwell Automation's Printed Circuit Board Assembly Advance Manufacturing Engineering Team. Todd Vick is the director of marketing for surface mount at Universal Instruments Corp. Figure 7: Line model impact analysis.