the following three problems (1‚ 2‚ 7)‚ we assume that parallel workstations are not allowed. 1. An assembly line with 17 tasks is to be balanced. The longest task is 2.4 minutes‚ and the total time for all tasks is 18 minutes. The line will operate for 450 minutes per day. a. What are the minimum and maximum cycle times? b. What range of output is theoretically possible for the line? c. What is the minimum number of workstations needed if the maximum output rate is to be sought? d. What cycle
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beginning of the day. Assuming the assembly line has a computer at every position when it started at the beginning of the day‚ the daily capacity would be 225 units per day (30 units/7.5 hours). The line is operating at 7.5 hours per day and 9th workstation seems to be the jam-up is occurring which in turn limits the cycle time to 2 minutes. When it is running at maximum capacity‚ what is the efficiency of the line relative to its use of labor? Assume that the supporter is not included in efficiency
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80 + 30 + 25 + 20 + 15 + 120 + 145 + 130 + 115) / 60 2.5 = 720/60 = 4.8 2.5 Since we cannot have any portion of a workstation‚ we round up upto 5 workstations.
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2 minutes per unit B 3 minutes per unit C 5 minutes per unit D 1 minutes per unit E 4 minutes per unit Process Cycle Time = Throughput Rate = Process Capacity = Overall Process Utilization = Line Balancing Workstation-1 Workstation-2 Workstation-3 A 2 minutes per unit B 3 minutes per unit C 5 minutes per unit D 1 minutes per unit E 4 minutes per unit Process Cycle Time = Throughput Rate = Process Capacity = Overall Process Utilization = The objective
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Office Ergonomics Contents 1. Introduction 2. Office Computer Workstations 3. Computer Workstation Evaluation Checklist 4. Appendix A 1. Introduction Ergonomics is the process of designing the work environment to fit the worker‚ rather than fitting the worker to the work environment. The goal of this ergonomic program is to minimize accidents and illnesses due to chronic physical and psychological stresses‚ while maximizing productivity and efficiency. Cumulative
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Hostel Room Design Compiled By: Mohit Manchanda Rahul Lahariya Reuben Varma Abstract This report aims to introduce the topic of the project: “Hostel Room Design using Ergonomics”. It outlines the importance of a well-designed hostel room in a student’s college experience. It summarizes how lack of attention to this aspect in the midst of hurried higher education expansion hampers the growth of youth to adults. It identifies many different aspects of design of a hostel room that
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several standard desks with returns located within a room or space. In its more sophisticated and ergonomically de- signed form ‚the genera l office may be based on an open planning or office landscaping concept‚ involving a system of workstations. The workstations include desk surfaces‚ files‚ acoustic partitions‚ and a host of other optional components to suit the nature of the
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Computer Workstation Ergonomics INF 103: Computer Literacy Winter 2009 Computer Workstation Ergonomics As we spend increasing amounts of time at our computer workstation‚ we need to be aware of how the design and arrangement of our equipment can impact our comfort‚ health‚ and productivity. WORK AREA The work area should be large enough to accommodate you‚ allow the full range of motions involved in performing required tasks‚ and provide room for the equipment and materials that make
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Chapter 8 • Question 1 0 out of 3 points A ____ layout is an arrangement based on self-contained groups of equipment needed to produce a particular set of goods or services. Answer Selected Answer: Product Correct Answer: Cellular • Question 2 3 out of 3 points The determination of specific job tasks and responsibilities is called ____. Answer Selected Answer: Job design Correct Answer: Job design • Question 3 3 out of 3 points
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GH | 3060 | 30 | d. Efficiency = Task time / [# stations X avg. cycle time) = = .875 or 87.5% 4) a. A B F C D E G 30 35 15 65 H 30 35 40 25 A B F C D E G 30 35 15 65 H 30 35 40 25 b. What is the workstation cycle time? Cycle time = production time per day/required output per day Cycle time = 27000 / 360 = 75 seconds. c. Calculate this balance line using the largest number of following tasks. Use the longest task time as a secondary criterion
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