Human Engineering and Machine Design


The approach seeks to decide how the individual, the computer, and the work environment are integrated effectively. It involves deciding which functions are performed better by man and which functions are performed better by machines. In a certain way, both man and machine will exceed one another.
Once, the economic question concerns the mixture of man and machine. In the field of design, operation, and maintenance of plants and equipment, the word human engineering is more commonly used in the approach to human-machine problems and is, therefore, usually ergonomically responsible. It is therefore not sufficient to describe human engineering, distinguishing it from ergonomics, as an independent discipline.
Nevertheless, it is considered necessary, in line with Ernest J. McCormick, to describe the context and meaning of human engineering in the sense and significance of human engineering. McCormick described it as a mechanism to "adjust visual, sensory, emotional, physical, and other people attributes to the human tasks and work environment." Such adaptation extends to human applications such as the design of machinery, devices, man-machine systems, consumer products, and the creation of optimum working methods and working environment.

Human Engineering and Machine Design:

The computer designer should know the way a human works, its body proportions, its physical limitations, and also the situations in which an individual performs perfectly.
For performing a task, a person normally does the following three things:
1. Receiving the information (through different sense organs)
2. Decision making (acting on details perceived)
3. Taking action (which results from the decision)
Therefore, the human being's basic control process contains these pieces— sense, judgment, and practice. Creating inductivity is unique to human beings; assessing, constructing ideas, determining, and creating processes. The ability to perform fast computation, high strength, and the efficiency of many different functions simultaneously are characteristics of the machines when performing repetitive routine tasks quickly.
The designer of the machine must, therefore, take all of the above information into account before designing a more efficient machine. Many CNCs produced by large industrial organizations in India are not performing properly as they have been engineered without taking the human factor into consideration.
Nevertheless, since implemented, the sophisticated machine centers have become instrumental in persistent problems in industrial relations as these otherwise adversely impact the pay packages of employees, as the cycle time printed in the literature of the machinery is considerably below that which the workers actually use. It makes the working relationship with the wages of the workers more complicated, as they should theoretically be paid according to the imprint cycle time.
Since a poorly designed machine can be blamed for the workers ' poor performance, ergonomics and engineering techniques are required in order to design the machines. New devices are ergonomically designed to avoid workers ' stress and fatigue, to make them work easily while rising the production rate.
We are also using human technology/ergonomy, even in the design of consumer products, kitchen appliances, furniture, etc. Blow Plast Ltd recently ergonomically designed office chairs, under technical collaboration with Klober of Germany.

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