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Process Management Principles for Increasing the Energy Efficiency

Thus while the system was not directly monitored

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Unformatted text preview: rts). Thus, while the system was not directly monitored using an AEMC8335 power logger like the wave solder equipment, we determined with a high degree of confidence that the MTSA chamber uses an average of 73kW while in operation. Historical throughput data was gathered electronically from the MRP system archive and manually from equipment operational logs. Future customer demand data was provided by SMEs in the form of contractual delivery dates. Analyze Using the measurements, we determined the minimum number of runs per week required to satisfy customer demand given the system constraints. Based on throughput data and SME input, it was determined that the manufacturing process could be modeled using the process map shown in Figure D-1. While this map does not detail the assembly processes preceding the MTSA machine, or the final steps including functional test, the simplification was acceptable for purposes of the analysis. MTSA Arrivals from assembly zI Exit to test Queue Figure 5-7: Conceptual process diagram for cards tested using MTSA machine. U...
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