What is the objective of assembly-line balancing? How would you deal with the situation where one worker, although trying hard, is 20 percent slower than the other 10 people on a line?
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Q: What is the objective of assembly-line balancing?
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What is the objective of assembly-line balancing? How would you deal with the situation where one worker, although trying hard, is 20 percent slower than the other 10 people on a line?
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- An assembly line is to be designed to operate 7½ hours per day and supply a steady demand of 300 units per day. Here are the tasks and their performance times: TASK PRECEDING TASKS PERFORMANCETIME (SECONDS) A — 70 B — 40 C — 45 D A 10 E B 30 F C 20 G D 60 H E 50 I F 15 J G 25 K H, I 20 L J, K 25 What is the workstation cycle time required to meet the desired output rate? What is the theoretical minimum number of workstations required to meet the desired output rate? Note: Round up your answer to the next whole number. Assign tasks to workstations using the longest operating time. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? Note: Round your answer to 1 decimal place. Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 71/2 hours per day. Note: Round your answer for cycle time down to the nearest whole number. Round your…Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows: Task Time (sec) Immediate Predecessor A 12 − B 15 A C 7 A D 5 B, C E 18 D Rosenberg's goal is to produce 170 PDAs per hour. Part 2 a) The cycle time for the production of a PDA = enter your response here seconds (round your response to two decimal places).An assembly line is to be designed to operate 13 hours per day and supply a steady demand of 325 units per day. Here are the tasks and their performance times: TASK PRECEDINGTASKS PERFORMANCE TIME (SECONDS) TASK PRECEDINGTASKS PERFORMANCETIME (SECONDS) a — 48 g d 43 b — 58 h e 38 c — 73 i f 23 d a 63 j g 33 e b 88 k h, i 53 f c 23 l j, k 67 A) What is the efficiency of your line balance? B) Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 13 hours per day in regular time. (Round your answers to the nearest whole number.)
- A paced assembly line has been devised to manufacture calculators, as the following data show: LOADING... Station Work Element Assigned Work Element Time (min) S1 A 4.0 S2 D, E 0.9, 1.5 S3 C 5.0 S4 B, F, G 1.1, 1.0, 1.3 S5 H, I, J 1.1, 0.5, 1.8 S6 K 4.0 a. What is the maximum hourly output rate from this line? (Hint: The line can only go as fast as its slowest workstation.) The maximum hourly output rate is nothing calculators per hour. (Enter your response as an integer.) B. What cycle time corresponds to this maximum output rate? C. If a worker is at each station and the line operates at this maximum output rate, how much idle time is lost during each? 10-hour shift? D. What is the line's efficiency?Management wants to design an assembly line that will turn out 800videotapes per day. There will be eight working hours in each day. The industrial engineeringstaff has assembled the information below: Task Time (min.) Immediate Follower a .2 b,d b .2 f c .4 b,e d .1 e e .3 f f .2 h g .1 h h .2 i i .6 none A) Determine the optimum cycle time (i.e., actual operating time/desired output).B) What is the minimum number of stations needed?C) Assign tasks to work stations.D) What is the efficiency of this assembly line?A paced assembly line has been devised to manufacture calculators, as the following data show: Station Work ElementAssigned Work ElementTime (min) S1 S2 S3 S4 S5 S6 A D,E C B,F,G H,I,J K 2.7 0.6, 0.9 3.0 0.7, 0.7, 0.9 0.7, 0.3, 1.2 2.4 a. What is the maximum hourly output rate from this line? (Hint: The line can go only as fast as its slowest workstation.)b. What cycle time corresponds to this maximum output rate?c. If a worker is at each station and the line operates at this maximum output rate, how much idle time is lost during each 10-hour shift?d. What is the line’s efficiency?
- An assembly line is to operate eight hours per day with a desired output of 200 units per day. The following table contains information on this product’s task times and precedence relationships: TASK TASK TIME(SECONDS) IMMEDIATEPREDECESSOR A 60 — B 60 A C 50 A D 70 A E 30 B, C F 110 C, D G 70 E, F H 70 G b. What is the required workstation cycle time to meet the desired output rate? (Round your answer to the nearest whole number.) c. Balance this line using the longest task time. (Leave no cells blank - be certain to enter "0" wherever required.) d. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? (Round your answer to 1 decimal place.)Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows: Task Time (sec) Immediate Predecessor A 11 − B 15 A C 7 A D 4 B, C E 20 D Rosenberg's goal is to produce 170 PDAs per hour. a) The cycle time for the production of a PDA = enter your response here seconds (round your response to two decimal places). b) The theoretical minimum number of workstations that Rosenberg can achieve in this assembly line=enter your response here (round your response up to the next whole number). c) For one to assign the tasks to the actual workstations and be able to use the "theoretical minimum" number, the activity assignment should be: Workstation # Tasks Assigned to…In what ways does technology have an impact on process selection? How can technology impact layout decisions?
- Suppose the times for the individual operations for the in-line skate assembly are as follows: Task Description Time (sec) 1 Assemble wheels, bearings, and axle hardware 11 2 Assemble brake housing and pad 8 3 Complete wheel assembly 20 4 Inspect wheel assembly 13 5 Assemble boot 18 6 Join boot and wheel subassemblies 7 7 Add line and final assembly 10 8 Perform final inspection 10 Consider the production line achieving an output rate of 180 per hour below. Using the proposed design, calculate the total time and idle time for each workstation. If your answer is zero, enter "0". Round your answers to the nearest whole number. Station Tasks Total Time, seconds Idle Time, seconds A 1 and 2 B 3 C 5 D 4 and 6 E 7 and 8 Total What is the assembly line efficiency? Round your answer to one decimal place. %Management wants to design an assembly line that will turn out 800 videotapes per day. There will be eight working hours in each day. The industrial engineering staff has assembled the information below: Task a Time (min. .2 .2 .4 .1 .3 .2 .1 .2 Immediate Predecessor none a none none c, d be none £ g (A) Determine the maximum and minimum cycle time. (B) Determine the optimum cycle time. (C) What is the minimum number of stations needed? (D) Draw the precedence diagram. (E) Assign tasks to stations in order of most following tasks first.What is the objective of assembly-line balancing?