Assembly Line Essay

408 Words2 Pages
CHAPTER 6 HOMEWORK SOLUTION 4. a, b a. l. 2. Minimum Ct = 1.3 minutes | Task | Following tasks | | a | 4 | | b | 3 | | c | 3 | | d | 2 | | e | 3 | | f | 2 | | g | 1 | | h | 0 | Work Station | Eligible | Assign | Time Remaining | Idle Time | I | a | A | 1.1 | | | b,c,e, (tie) | B | 0.7 | | | | C | 0.4 | | | | E | 0.3 | 0.3 | II | d | D | 0.0 | 0.0 | III | f,g | F | 0.5 | | | | G | 0.2 | 0.2 | IV | h | H | 0.1 | 0.1 | | | | | 0.6 | 3. 4. b. 1. 2. Assign a, b, c, d, and e to station 1: 2.3 minutes [no idle time] Assign f, g, and h to station 2: 2.3 minutes 3. 4. 5. a. b. The minimum cycle time = maximum task time =1.2 minutes The maximum cycle time = .2 +.4 +.2 +.4 +1.2 +1.2 + 1.0 = 4.6 minutes c. d. Task | Number of following tasks | A | 4 | B | 3 | C | 2 | D | 2 | E | 1 | F | 1 | G | 0 | Assembly Line Balancing Table (CT = 2 minutes) Work Station | Task | Task Time | Time Remaining | Feasible tasks Remaining | I | A | 0.2 | 1.8 | B,D | | B | 0.4 | 1.4 | C, D | | D | 0.4 | 1.0 | C | | C | 0.2 | 0.8 | – | II | E | 1.2 | 0.8 | – | III | F | 1.2 | 0.8 | – | IV | G | 1.0 | 1.0 | – | e. 8. b. | Station | Tasks | Time | Idle/Time | | 1 | a,b | 1.9 | .1 | | 2 | c,d | 1.9 | .1 | | 3 | e,f,i | 2.0 | 0 | | 4 | g,h,j | 1.5 | .5 | | 5 | k,m | 1.2 | .8 | | | | | 1.5 | | c. | Tasks | Positional Weight | | a | 8.5 | | b | 4.6 | | c | 4.4 | | d | 4.2 | | e | 3.2 | | f | 3.5 | | g | 1.9 | | h | 1.5 | | i | 2.5 | | j | 2.0 | | k | 1.2 | | m | .3 | Work Station | Task | Task Time | Time Remaining | Feasible tasks Remaining | I | a | .5 | 1.5 | b, c, d | | b | 1.4 | .1 | – | II | c | 1.2 | .8 | d, e |
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