29 Mart 2008 Cumartesi

GlLBRETHS


Gilbreths (Frank Bunker Gilbreth-Lillian Evelyn Gilbreth) were one of the great husband-and-wife teams of science engineering.They developed the method of time-and-motion study.This technique aimed to improve the workers efficiency and their outputs in the workplace.

Frank Gilbreth developed brick-laying system in the construction trade. He observed that every workers developed their own ways to work that no two of them used the same methods.These observations led him to seek one best way to perform tasks.

Although their study with time motion looks very similar to Frederick Taylor's time studies on scientific management, in fact there is much difference between them. While Taylor's methods are mostly on how the workers be paid or division of labor and strengthened role of management, Gilbreth's methods were mainly giving attention to eliminating the unneeded steps when doing a task.Thus Gilbreth reduced the necessary hand motions into 18 basic combinations which was named "therbligs".
Therblig means some set of fundamental motions to perform a required task and it contains;
Search,Find,Select,Grasp,HoldPosition,Assemble,UseDisassemble,Inspect,Transport loaded, transport unloaded, Pre-position for next operation, Release load, Unavoidable delay, Avoidable delay, Plan ,Rest to overcome fatigue.
After Frank Gilbreth's death, Dr. Lillian Gilbreth continued the work and extended it into the home in an effort to find the "one best way" to perform household tasks. She has also worked in the area of assistance to the handicaped, as, for instance, her design of an ideal kitchen layout for the person afflicted with heart disease. She is widely recognized as one of the world's great industrial and management engineers and has traveled and worked in many countries of the world.
Resources:
http://www.britannica.com/eb/article-9036817/Frank-Bunker-Gilbreth
http://www.telelavoro.rassegna.it/fad/socorg03/l2/frank%20and%20lillian%20gilbreth.htm
http://en.wikipedia.org/wiki/Frank_Bunker_Gilbreth
http://www.britannica.com/eb/article-9442362/Lillian-Evelyn-Gilbreth

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