1996 Volume 47 Issue 3 Pages 150-156
This study is revealed optimum efficient division of human work from the factors of the bewilderment and the changing of working distance. As a result, 1) From the viewpoint of the working times, bewilderment is revealed if the number of the kind of parts becomes more than five, and reveal increasingly if the number of the kind of parts becomes more than twenty. 2) By considering bewilderment, it is possible to calculate the working times from the number of the kind of parts and movement distance. 3) It is possible to decrease bewilderment by 50%. From these results and the estimated formula, it is revealed the range of optimum efficient division of human work.