IE271_Lecture13 - IE271OperationsAnalysis andDesign...

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IE271 – Operations Analysis  and Design Principles of Micromotion Study Lecture Notes – 13
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Principles of Motion Economy Relationship of the worker to the job, the environment and the organization to design better work methods. Related to The human body The workplace Tools and equipment Empirical in nature - product of years of practical observations.
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Principles of Motion Economy as  Related to the Use of  Human Body 1. The two hands should begin and complete their motions at the same time. 2. The two hands should not be idle at the same time except during the rest periods. 3. Motions of the arms should be made in opposite and symmetrical directions and should be made simultaneously The symmetrical movements of the arms tend to balance each other, reducing the body strain and enabling the worker to perform the task with less mental and physical effort.
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4. Hand and body motions should be confined to the lowest classification with which it is possible to perform the work satisfactorily. General classification of the hand motions : Finger motions Motions involving fingers and wrist Motions involving fingers, wrist and forearm Motions involving fingers, wrist, forearm and upper arm Motions involving fingers, wrist, forearm, upper arm and shoulder
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Momentum should be employed to assist the worker wherever possible, and it should be reduced to a minimum if it must be overcome by muscular effort. 6. Smooth, continuous, curved motions of the hands are preferable to straight-line motions involving sudden and sharp changes in direction. 7.
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This note was uploaded on 03/01/2012 for the course ECON 101 taught by Professor Smith during the Spring '10 term at Abraham Baldwin Agricultural College.

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IE271_Lecture13 - IE271OperationsAnalysis andDesign...

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