Surface Finishing

Overview

Surface finishing comprises a wide range of industrial processes that alter the surface of a manufactured item in order to achieve a certain property. It tends to control friction and transfer layer formation during sliding, and thus is an important factor.

Use in Industrial field

It can be used for industrial coatings. These are heavy-duty paints designed specifically for the purpose of imparting corrosion resistance of finest manner to surfaces. All of us are familiar with paint. It is used in our homes to paint plaster, timber, metal, etc. In the industry, specially formulated paints are used to coat goods, automobiles, trucks, ships, chemical tanks, industrial buildings, etc. Moreover, foundries use paints to colour items for the identification or as a protective coating prior to another operation over it.

 

Use in Our Daily Life

Today, not one activity can be undertaken by mankind that does not include surface finishing – be it the clock radio or similar, it happens to be the surface finishing industry that has made possible the design of the unit and the decoration on it. Even the light fitting has a lustre or colour of the fitting due to the surface finishing process. Not only does it provide shine, it as well gives smoothness and evenness to the profile of the component.

Major Processes

1) Abrasive blast cleaning and protective coating

2) Anodising

3) Electroplating and electro less plating

4) Hot dip galvanizing and tinning

5) Powder coating