Question: Please dont copy others with different numbers, I will give thumbs up if correct. 243 says its wrong. Toshiba's Notebook Computer Assembly Line Toshihiro Nakamura,

Please dont copy others with different numbers, I will give thumbs up if correct. 243 says its wrong.

Please dont copy others with different numbers, I will give thumbs upif correct. 243 says its wrong. Toshiba's Notebook Computer Assembly Line ToshihiroNakamura, manufecturing engineering section manager, is examining the prototype assembly process sheet

Toshiba's Notebook Computer Assembly Line Toshihiro Nakamura, manufecturing engineering section manager, is examining the prototype assembly process sheet (shown in Exhibit 6.B] for the newest subnatebook computer model. With every new model introduced, manegement felt that the assembly line had to increase productivity and lower costs, usually resulting in changes to the assembly process. When a new model is designed, considerable attention is directed toward reducing the number of components and simplifying parts production and assembly requirements. This new computer was a marvel of high-tech, low-cost innovation and should give Toshiba an advantage during the upcoming falliwinter solling scnson. Production of the subnotebook is scheduled to begin in 10 days. Initial production for the new model is to be 150 units per day. increasing to 230 units per dey the following week imanagernent thought that eventually production would reach 312 units per day? Assembly lines at the plant normally are staffed by 10 operators who work at a 14.4-meter-long assembly line. The line is organized in a straight line with workers shoulder to shoulder on one side. The line can accommodate up to 12 operators if there is a need. The line narmally operates for 7.5 hours a day (employees work from B:15 A.M. to 5:00 P.M. and regular hours include one hour af unpaid lunch and 15 minutes of scheduled breaks], It is possible to run one, two, or three hours of cwertime, but employees need at leest three days' notice for planning purposes. The Assembly Line At the head of the assembly line, a computer displays the daily production schedule, consisting of a list of model types and corresponding lot sizes scheduled to be assembled on the line. The models are simple varlat ons of hard disk size, memory, and battery power. A typical production schedule indudes seven ar eight model types in lot sizes varying from 10 to 100 units. The models are assembled sequentielly. All the units of the first model are assembled, followed by all the units of the second, and so on. This computer screen also indicates how far along the assembly line is in completing its dally schedule, which serves as a guide for the material handlers who supply parts to the assembly lines. The daily schedules are shared with the nearby Fujihashi Parts Collection and Distribution Center. Parts are brought from Fujihashi to the plant within two hours of when they are needed. The material supply system is very tightly coordinated and works well. The assemby line consists of a 14.4-meter conveyor belt that carrles the computers, separated at 1.2-meter Intervals by white stripes on the belt. Workers stand shoulder to shoulder on one side of the conveyor and work an the units as they move by. In addition to the assembly warkers, a highly skilled warker, called a "supporter." is assigned ta each line. The supporter moves along the line, assisting workers who are falling behind and replacing workers who need to take a break, Supporters also make decisions about what to do when problems are encountered duning the assembly process (such as a defective part). The line speed and the number of workers vary from day to day, depending on production demand and the workers' skills and avallability. Athough the assembly line has 12 positions, often they are not all used. Exhibit 6.9 provides details af how the engineers who designed the new subnotebonk computer felt that the new line should be orgunized. Exhibit 6.9: Engineers' initial design of the assembly line In words, the following is a brief description of what is dorte at each workstation: In words, the following is a brief description of what is done at each workstation: Workstation 1: The first operator lays out the major components of a computer between two white lines on the conveyor. The operator then prepares the cover for accepting the LCD screen by installing fasteners and securing a cable. Workstation 2: The second operator performs two different tasks. First, the LCD screen is installed in the cover. This task needs to be done after the cover is assembled (task 1). A second independent task done by the operator is the preparation of the base so that the Main Printed Circuit Board (M-PCB) can be installed. Workstation 3: Here the M-PCB is installed in the base. After this is done, the Central Processing Unit (CPU) and backup batteries are installed and tested. Workstation 4: The Accupoint Pointing Device (touchpad) and wrist rest are installed, the speaker and microphone is installed, and the Auxillary Printed Circult Board (A-PCB) is installed. These are all independent tasks that can be done after the M-PCB is installed. Workstation 5: Here, tasks are performed in a sequence. First, the keyboard is installed, followed by the DVD and Hard Disk Drive (HDD). The battery pack is then installed, followed by the memory card. The computer is then powered up and a program started that loads software that can be used to test the computer. Actually loading the software takes 291 seconds, and this is done while the computer travels through positions 6,7 , and 8 on the assembly line. Computers that do not work are sent to a rework area where they are fixed. Only about 1 percent of the computers fail to start, and these are usually quickly repaired by the supporter. Workstation 6: The video display and keyboard are tested in this workstation. After assembly, the computers are moved to a separate burn-in area that is separate from the assembly line. Here, computers are put in racks for a 24-hour, 25C "burn-in" of the circuit components. After burn-in, the computer is tested again, software is installed, and the finished notebook computer is peckaged and placed on pallets for shipment to Toshiba distribution centers around the world. Tweaking the Initlal Assembly-Line Design From past experience, Toshihiro has found that the initlal assembly-line design supplied by the engineers often needs to be tweaked. Consider the following questions that Toshihiro is considering: What is the daily capacity of the assembly line designed by the engineers? Assume that the assembly line has a computer at every position when it is started at the beginning of the day. (Do not round intermedlate calculations. Round down your answer to the next smallest integer.)

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