CASTING PROCESSES

Manufacturing can be defined as the process of converting raw materials (and information such as specifications) into a usable form of products. The process of manufacturing mainly encompases (a) Product design (b) Raw material selection, and (c) Sequence of operations (processes) through which the product will be manufactured. In general, the term ‘process’ can be defined as a change in the properties of an object, including geometry, hardness, state, information content and so on. Depending on the main purpose of the process, it is either a material process, an energy process or an information process. In the present text it is mainly concerned with material process which produces geometrical changes or changes in the material property or both and known as basic processes. A manufacturing process is the activity (or a set of activities) of transforming a given material into a product of different form and sizes and with or without changing the physical and mechanical properties of the material of the product. A manufacturing process normally consists of a series of basic processes, which constitute the structure of the material flow. A classification scheme of the basic manufacturing processes is shown in Fig. 1.1. Basic Manufacturing Processes MODULE-I&II CASTING PROCESSES

CASTING PROCESSES

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squeeze casting

meatl casting

microstructure

manufacturing

geometry

hardness