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chapter06_ls - 6 the cycle time to 1.4 minutes you could...

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Lecture Suggestions - Chapter 6 Example 1: Line Balancing 1. 2. Enter the data for each task: For task a, Time=.1 For Task b, Predecessor(s)=a, Time=1 For Task c, Time=.7 For Task d, Predecessor(s)=b and c, Time=.5 For Task e, Predecessor(s)=d, Time=.2 3. 4. tasks that either have no predecessors, or whose predecessors have been assigned) are shown in red in the table on the right. Furthermore, you cannot assign tasks which will exceed the cycle time for a workstation. Eligible: a and b - assign task a to workstation 1 Eligible: b and c - assign task c to workstation 1 (task b would exceed cycle time) Eligible: b - assign task b to workstation 2 (this fills cycle time for workstation 2) Eligible: d - assign task d to workstation 3 Eligible: e - assign task e to workstation 3 5. minutes. This is a total idle time of .5 min out of 3 minutes (3 workstations with 1 minute cycle time
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Unformatted text preview: 6. the cycle time to 1.4 minutes, you could assign the tasks to 2 workstations (assign tasks a and b to the first workstation) and you would get an idle time of only 10.71% and an efficiency of 89.29%. Select the Example 1 worksheet , clear the data (press Clear and confirm with OK). Enter cycle time CT=1minute (given). Assign tasks to workstations: note that tasks which are eligible to be assigned next (i.e. Point out that workstation 1 has an idle time of .2 minutes and workstation 3 has an idle time of .3 each), thus .5 / 3 = 16.67% is the percent idle time and 83.33% is the efficiency . You might discuss optimizing the line balancing and demonstrate that if you were able to increase...
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