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Mechanical Technology: Being a Treatise on the Materials and Preparatory Processes of the Mechanical Industries (Classic Reprint) - Softcover

George Frederick Charnock

 
9780282054755: Mechanical Technology: Being a Treatise on the Materials and Preparatory Processes of the Mechanical Industries (Classic Reprint)

Synopsis

Excerpt from Mechanical Technology: Being a Treatise on the Materials and Preparatory Processes of the Mechanical Industries

Technology may be defined as that branch of knowledge which deals with the processes and apparatus employed in the conversion of the raw products of nature into finished articles of utility.

It will be found that the object of all manufacturing processes is to bring about a change either (1) in the internal constitution or composition of the material, or (2) in the external shape or appearance. Hence, technology may be divided into two great branches, distinguished as (1) chemical, and (2) mechanical, according to which of the two methods of conversion is employed.

Many manufacturing processes are partly chemical and partly mechanical. For instance, the smelting of iron from the ore must be regarded as a chemical operation, whilst the rolling, forging, casting, machining, etc to which the metal is subsequently subjected, belong distinctly to the domain of mechanical technology.

It will be seen that mechanical technology may be sub-divided into sections, each Of which is concerned with the working of some particular kind of raw material, as of metal, or of wood.

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