OSU IE 366 - Time Study Lab Instructions (2 pages)

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Time Study Lab Instructions



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Time Study Lab Instructions

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Pages:
2
School:
Oregon State University
Course:
Ie 366 - Work Systems Engineering
Work Systems Engineering Documents

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Time Study Lab Instructions This document provides instructions for completing a stopwatch time study lab exercise Background The task to be timed will be a pegboard assembly task Figure 1 illustrates the work unit before and after assembly The class will be divided into pairs each pair consisting of a time study Engineer and a Worker Each pair will be provided with the work unit base part pegs stopwatch and a work tray Input Work Unit Output Work Unit S S S S L L L L L L S S S S S S hort peg L ong peg Figure 1 Pegboard assembly input and output work units Procedure Use the following procedure to do the lab Read the procedure in its entirety before beginning 1 Design the standard method Both W E Work together to determine the one best way to assemble the unit Break the task down into work elements following the guidelines given in lecture see below Don t forget to include one or more work elements to disassemble the unit for the next cycle 2 Define and document the standard method 2 1 E Fill out a Time Study Sheet including Operation Operator Sketch of Workplace Date of Study Observer Drawing of part unit 2 2 E Record the work elements of the task on the back side of the Time Study Sheet 3 Time the task 3 1 W Practice assembling the unit several times E Practice operating the stopwatch If you have a No 215 Meylan stopwatch use the continuous method Otherwise you may use the snapback method 3 2 W Complete at least six assembly cycles E Time the work elements and record the times 3 3 E Assign a performance rating to each element 4 Compute Normal Time 4 1 E If continuous timing was used calculate element times by subtraction 4 2 E Determine and record the minimum time for each element 4 3 E Calculate the average time for each element 4 4 E Compute the normal time for each element 4 5 E Compute the Normal Time for the task by summing element normal times 5 Compute Standard Time E Compute the Standard Time for the task using an allowance of 15 6 Switch roles and repeat



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