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Production and Operations Management




                    Notes          Process layout: It is also known as functional layout. Similar machines or similar operations are
                                   located at one place as per the functions.


                                       

                                     Case Study  Ford’s Assembly Line


                                           hough Ransom E.  Olds  created  the first  assembly line  in 1901,  Henry Ford  is
                                           recognized for revolutionizing  industry by mass-producing automobiles.  Ford
                                     Timproved upon Olds’ assembly line idea by installing conveyor belts and converting
                                     Olds’ idea into a moving assembly line. According to Ford,  he developed the idea  by
                                     watching the sequence of operations in a meat factory. By using a moving assembly line,
                                     Ford was able to cut the time of manufacturing a Model T from a day and a half to a mere
                                     ninety minutes. The assembly line concept has remained more or less similar since 1913.

                                     The assembly line concept is applicable on products that can be produced with identical
                                     parts. Since each part is identical and can be replaced with an identical part, the entire
                                     production sequence can be predetermined in careful detail. This permits each task to be
                                     minutely studied by engineers and managers to find ways to make the sequence quicker
                                     and cheaper.
                                     Question
                                     What was different in Ford’s approach? What were its advantages?

                                   11.10 Review Questions


                                   1.  Compare and contrast the process and product layouts. Give figures and tables to explain
                                       the points.

                                   2.  Link capacity and layout. How important it is to consider the capacity of the firm while
                                       designing a layout?
                                   3.  Under what conditions does fixed layout work well?

                                   4.  With the help of examples, explain the concepts of mixed line layout and retail layouts.
                                   5.  Why it is not advisable to have fixed layout for firms producing small size products?
                                   6.  ‘Product  layout and process layout represent the two extremes  of layout  techniques.’
                                       Justify the statement with suitable examples.
                                   7.  Cellular layout had evolved to aid manufacturers with intermittent manufacturing of a
                                       high variety of products with the advantages of a product layout.’ Explain
                                   8.  Discuss the similarities and differences in the objectives of the layout for a continuous
                                       flow process and a batch process.
                                   9.  Flexible  manufacturing systems try to produce products with large variability on  the
                                       same set of equipment with minimal set up times. How does cellular manufacturing help
                                       in this process?
                                   10.  For which kind of organizations cellular or group layout is suitable?









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