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- Politecnico di Milano
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- Management Engineering
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- De-manufacturing
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Study material for De-manufacturing, shared by the Studwiz community and reviewed by moderators.
De-manufacturingFull exam
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Study material for De-manufacturing, shared by the Studwiz community and reviewed by moderators.
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<Exam Simulation> Exam Simulation: Exercise 1 – ITEM A Parts list Task time (tu) EoL Value (euro/comp) Recycling treat. Cost (euro/comp) 1 Left side panel 0,5 0,7 0,05 2 Cap (n.4) 0,1 0,05 0,001 3 Upper Plenum 0,5 0,9 0,05 4 Node board 0,8 0,35 0,07 5 AC cover 0,1 0,15 0,02 6 Right side panel 0,5 0,7 0,05 7 Null router 1 0,45 0,07 8 Pedestal 1,1 0,2 0,1 9 Power supply 0,7 1,8 0,8 10 Fan tray 0,4 0,9 0,4 11 Facade 0,5 0,8 0,05 12 Blank drive panels 0,1 0,1 0,01 13 System disk 0,3 1,4 0,7 14 CD-ROM 0,3 1,9 1,1 15 Case 1,5 2,1 0,75 Exploded view <Exam Simulation> Exam Simulation: Exercise 1 - ITEM A 2 5 6 11 3 9 12 15 +y +x +z -x +y -x 0,1 0,1 0,5 0,5 0,5 0,7 0,1 H 15 5,52 tu 2 ±x, ±y, ±z 4 +x 0,8 1 7 -x 1 13 14 -x0,3 0,3 H 8 10 -y -x 1,1 0,4 -z 0,5 -x -x <Exam Simulation> Strategy to solve step 1: Smart search. Analyze each branch of the precedence graph separately. Exam Simulation: Exercise 1- ITEM B <Exam Simulation> ID Component Hazardous comp. EOL value (euro/comp) Task time (tu) Disassembly cost (euro) Rec.Treat. cost (euro) Delta 1 Left side panel 0,7 0,5 0,4 0,05 0,3 2 Cap (n.4) 0,05 0,1 0,08 0,001 -0,03 3 Upper Plenum 0,9 0,5 0,4 0,05 0,5 4 Node board 0,35 0,8 0,64 0,07 -0,29 5 AC cover 0,15 0,1 0,08 0,02 0,07 6 Right side panel 0,7 0,5 0,4 0,05 0,3 7 Null router 0,45 1 0,8 0,07 -0,35 8 Pedestal 0,2 1,1 0,88 0,1 -0,68 9 Power supply H 1,8 0,7 0,56 0,8 1,24 10 Fan tray 0,9 0,4 0,32 0,4 0,58 11 Facade 0,8 0,5 0,4 0,05 0,4 12 Blank drive panels 0,1 0,1 0,08 0,01 0,02 13 System disk 1,4 0,3 0,24 0,7 1,16 14 CD-ROM H 1,9 0,3 0,24 1,1 1,66 15 Case 2,1 1,5 0 0,75 2,1 Total 12,5 8,4 5,52 11,595 6,98 Data: - 1 tu is 30 seconds long - Disassembly cost: 0,8 €/tu Exam Simulation: Exercise 1- ITEM B <Exam Simulation> Exam Simulation: Exercise 1- ITEM B 2 5 6 11 3 9 12 15 +y…
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