Machine design :
The creation of new and better machines and improving the existing one . "or" A new or better machine is one which is more economical in the overall cost of production operation . In machine designing component it is necessary to have good knowledge of many subject such as mathematical , engineering mechanics , machines of material, theory of machine workshop process , engineering drawing and engineering material .
Classification of design :
Adaptive design :
It is basically alteration( minor changes ) in the existing machine. This type of design needs no special knowledge or skill and can be attempted by designer of ordinary technical training.
Development design :
It is basically the modification in the existing design. In this case through the designer starts from the existing design , but the final product may be differ quite markedly from the original product.
New design :
This type of design need a lot of research, technical ability and creative thinking only those designer who have personality of a sufficiently high order can take up the work of a new design .
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