15 A company is designing a product layout for a new product. It plans to use this production line eight hours aday in order to meet projected demand of 480 units per day. The tasks necessary to produce this productare:Task Time (secs)30306125430=> XANuVWyO 162If the company wants the output rate to be equal to demand, what is the desired cycle time (in seconds)?O 12O 72O 60Immediate PredecessorO 54noneuuWXv, y

The formula of Cycle time is given as: Cycle Time = Number of Hours of Operation/ Demand

Answered: are: Task Time (secs) Immediate…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter12: Queueing Models

Section: Chapter Questions

Problem 59P

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A machine shop manufactures two types of bolts. The bolts require time on each of the three groups of machines, but the time required on each group differs, as shown in the table below. Type I Type IIMachine 1 0.2 min 0.2 minMachine 2 0.6 min 0.2 minMachine 3 0.04 min. 0.08 min Production schedules are made up one day at a time. In a day, 300, 720, and 100 minutes are available, respectively, on these machines. Type I bolts sell for 15¢ and type II bolts for 20¢. (a) How many of each type of bolt should be manufactured per day to maximize revenue?(b) What is the maximum revenue?(c) Suppose the selling price of type I bolts began to increase. Beyond what amount would this price have to increase before a different number of each type of bolts should be produced to maximize revenue?
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Tasty Tim’s Tasty Tim’s is a specialty taco restaurant. The following tasks are required for the successful assembly of a Tasty taco (times are in seconds per taco): Chop and trim meat – 30 Chop vegetables – 20 Grill meat – 240 Grill vegetables – 180 Prepare toppings - Lettuce - 10 - Tomato - 15 - Guacamole - 40 Assemble taco - Add meat - 5 - Add vegetables - 5 - Add cheese - 5 - Add toppings - 10 Wrap taco - 20 During the lunch hour, Tasty Tim’s encounters demand for 120 tacos. What is the labor content of one of Tasty Tim’s tacos?
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A processor makes two components, A and B, which are then packaged together as thei nal product (each product sold contains one A and one B). The processor can do onlyone component at a time: Either it can make As or it can make Bs. There is a setup timewhen switching from A to B.Current plans are to make 100 units of component A, then 100 units of component B,then 100 units of component A, then 100 units of component B, and so forth, where thesetup and run times for each component are given below.Component Setup/Changeover Time Run Time/UnitA 5 minutes 0.2 minuteB 10 minutes 0.1 minuteAssume the packaging of the two components is totally automated and takes onlytwo seconds per unit of the i nal product. This packaging time is small enough that youcan ignore it. What is the average hourly output, in terms of the number of units of packagedproduct (which includes one component A and one component B)?
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3a. Set-up time is considered to be a non- value added activity. Estimate the impact of 60% reduction Of set-up time on: (i) Economic production quantity, and (ii) Machine utilization. 3b. OEE is a metric used to estimate the overall efficiency of a machine. Find the OEE of an operator performing a manual cycle. Assume reasonable data for different elements as you estimate the metric.
3 = noito This work cell will produce 617 units per day (8h x 60 m x 60 se) / 46.67 = 617 Takt time = 140/3 = 46.67 Copyright © 2017 Pearson Education, Ltd. Takt time design Creating plate printing cutting packaging Example: 100 Al-Nojoom Company for advertising has identified the following operations as necessary for the work cell for producing color posters. The customer expects delivery 1000 poster per day, and the work day 10 hours. 1. What is the takt time? Copyright © 2017 Pearson Education, Ltd. 2. How many employees are required? 3. If the number of employees assumed to be 9 employees. Find the quantity of products they able to produce. 4. If the work cell has 4 employees find the Total work time by hours needed to produce 600 units with the same operational time. operation Standard time 21.01 unitnos (min) 1.1 0.9 .75 1.25 1 9-33 sill nG a super 9-34

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