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Wasting Techniques – Consider a range of products to determine the methods of ‘wasting’ applied to achieve the required ‘forms’.
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The term wasting is used to describe those processes that produce waste by cutting bits out or cutting bits off. For example, sawing will produce saw dust. Waste is not always something that is discarded, it is increasingly more cost effective and responsible to look at the waste material as a recyclable commodity. wasting processes include: Planing Chiselling Sawing Filing Drilling Centre lathe turning Wood turning Milling Screw cutting The action of cutting is in fact the same for all wasting processes. It can be linked to driving a wedge into the material causing the waste to split off. Tool cutting angles are important, tools work by tearing and then cleaning up the surface of the material that they are cutting. This is achieved by a combination of rake, cutting and clearance angles. Looking around the home it may be seen that many items in which are formed have been wasted in order to require these forms. For example products such as bowls, dishes, spindles, legs and lamps which have been created using wood lathes. There is a very wide range of wood turning tools including scrapes, gouges and chisels. The tools are hand held against a rest that must be adjusted close to the work and at a height that suits the tool being used.
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