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SCAN0018 - \OO—"Vd’l Cal Poly lME223 Fall 2008...

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Unformatted text preview: \OO—"Vd’l Cal Poly lME223 Fall 2008 Work Design and Measurement . Dr. Jose Macedo Midterm Exam October 29, 2008 Problem 1 (25 pts) A new type of computer disk drive is to be produced on an assembly line. The work content of assembling this product has been reduced to the work elements listed in the table below. The table also lists the standard times that have been established for each element as well as the precedence order in which they must be performed. The line is to be balanced for an annual demand of 100,000 unit/month The operator work 4 weeks/month, 5 shifts/week, and 8 hours/shift. ' ' . Work Unit Standard time Precedence constraint Work Unit . . . _ , Description (minutes) work unit A" Place'frame in / 0.2 \- 33‘ :0‘2‘9 — / .21 t . 3 2 Install disk stackon ”(Wéw Assemble motor \ ,4 Wire power cord to MW Mm,mamr-wrn3.910ir~mm ...... W W. 2‘ “WWW 5 Attach power supply W03“? '2“ pg ‘WMTWWWWQ ..Wmnwmtgggtegéahassignhlnwawfijiw_.,W-...........--W.;_WWW-W. K6 Install motor W'Oil l\\_ U52 2, 5 3 subassemblyin frame . .. _ f __ 1 7 Install electronics .,................_.,..,t,,mgatdéeaf:etn£m ............... 8 In stalll read/write ”Wheads in frame Alignmenttest Electric test "*"”'“‘f2"'"’"’"""T?“iééé'iHFte'W—‘mm 31/2” . mew """""" ii ““““““““ 5;: packing . ' WMMMW Based on the available information, develop your recommendations for the following: a) Required hourly production rate. Page 1 of6 ...
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