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Full exam for De-manufacturing in the Management Engineering degree programme at Politecnico di Milano. The document covers: <Labs: Disassembly strategies> Assembled product Exploded view The CubeSat prototype layout is represented in Figure. The following data are known: - Scheme of the portable solar powered vaccine refrigerator. - Bill of Materials (BOM), including information about task time, End

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Full exam for De-manufacturing in the Management Engineering degree programme at Politecnico di Milano. The document covers: <Labs: Disassembly strategies> Assembled product Exploded view The CubeSat prototype layout is represented in Figure. The following data are known: - Scheme of the portable solar powered vaccine refrigerator. - Bill of Materials (BOM), including information about task time, End

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<Labs: Disassembly strategies> Assembled product Exploded view The CubeSat prototype layout is represented in Figure. The following data are known: - Scheme of the portable solar powered vaccine refrigerator. - Bill of Materials (BOM), including information about task time, End of life value and recycling cost for each component. Exercise 4: CubeSat <Labs: Disassembly strategies> Parts list Task time (tu) EOL value (euro/comp) Recycling treat. Cost (euro/comp) 1 Solar panel n1 5 75 2,3 2 Solar panel n2 5 75 2,3 3 Solar panel n3 5 75 2,3 4 Solar panel n4 5 75 2,3 5 Solar panel n5 5 75 2,3 6 Solar panel n6 5 75 2,3 7 Frame n1 4,5 2,7 1,2 8 Frame n2 4,5 2,7 1,2 9 Sun sensor 4,5 140 3,7 10 Super capacitor 2,5 35 5,5 11 Coin battery 3 55 12 12 Magnetometer 2,5 65 7,5 13 Electronic Circuit 7,5 20 3,5 14 Primary battery 2 125 22 15 Gyro Sensor 3,5 50 9 16 Receiver 3,5 100 6,5 17 Transmitter 3,5 120 6,5 18 Transmitting Antenna 4 70 4,5 19 Receiving Antenna 4 70 4,5 20 Secondary Battery 2 90 18 21 Support 1,5 8 1,1 Bill of materials Exercise 3: CubeSat <Labs: Disassembly strategies> ITEM A. Define a feasible disassembly precedence graph (component-oriented) by analysing the exploded view. Additional information: Gyro Sensor, Receiver and Primary Battery are mounted on the Transmitter component; they should be screwed in direction –y. 9 2 1 5 6 11 21 15 16 7 +y -y -x +y +y +y -y -y 4,5 5 5 5 3,5 3,5 3 1,5 H H H 21 75,5 tu 14 ±x, ±y, ±z 10 +y 2,5 12 +y 2,5 20 +y 14 2 3 5 H 19 4 18 4 4 5 H 17 H H -y -y 3,5 5 8 13 H -z +z +x +x +x +z 4,5 -z 4,5 H H H H H H 2 Exercise 3: CubeSat <Labs: Disassembly strategies> ITEM B. Based on the product structure diagram, formulate the problem of finding the best disassembly sequence to maximize the profit, taking into consideration all the given…

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