Selection of materials or components

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Presentation transcript:

Selection of materials or components To be able to understand the factors which need to be considers when selecting materials and components To be able to analyse a product and justify why the materials and components have been selected for it

Do the materials/components used suit the products functionality? To be able to understand the factors which need to be considers when selecting materials and components To be able to analyse a product and justify why the materials and components have been selected for it There is a wide range of materials and components so it is important that designers and manufacturers selection the appropriate ones for the appropriate products. Functionality Do the materials/components used suit the products functionality? Is it comfortable it use because of the materials? Is the material strong enough to withstand the products use? Aesthetics Do the materials/components benefit the look, form and shape of the product? Do the materials apply a suitable finish to be applied to improve the aesthetics of the product? Does the material need a finish applied to it? Environmental factors Are the materials used renewable or finite? Do the materials use improve or reduce the durability and life of a product? Do the materials allow or restrict how recyclable the product is? Would the material or components allow the product to be biodegradable if it went to landfill?

How expensive will the materials make the overall product? To be able to understand the factors which need to be considers when selecting materials and components To be able to analyse a product and justify why the materials and components have been selected for it Availability How available is the materials? Will the product be made quickly or slowly as a result? Is the product bespoke or mass produced because of the material availability? Cost How expensive will the materials make the overall product? Can the materials be brought in bulk by the manufacture to reduce the cost of the product? Social/Cultural factors Will the materials used have a negative impact on anyone in society? Are different cultures and faiths impacted by the use of this material? Is the colour of the material going to have an impact of any faith or culture? Ethical factors Is the use of this material the right thing it do? Will its use have a negative impact on the environment which is morally wrong? Is there any evidence that the material is sources in a more ethical way? FSC, Fairtrade, etc.

Task Work in pairs Analyse the product you have been given To be able to understand the factors which need to be considers when selecting materials and components To be able to analyse a product and justify why the materials and components have been selected for it Task Work in pairs Analyse the product you have been given Use the worksheet and prompt questions to guide your analyse (but think of more questions) Make a strong focus on the materials the product is made from

Material Product Analysis Description of the product Aesthetics Do the materials/components benefit the look, form and shape of the product? Do the materials apply a suitable finish to be applied to improve the aesthetics of the product? Does the material need a finish applied to it? Functionality Do the materials/components used suit the products functionality? Is it comfortable it use because of the materials? Is the material strong enough to withstand the products use? Social and Cultural factors Will the materials used have a negative impact on anyone in society? Are different cultures and faiths impacted by the use of this material? Is the colour of the material going to have an impact of any faith or culture? Availability How available is the materials? Will the product be made quickly or slowly as a result? Is the product bespoke or mass produced because of the material availability? Environmental factors Are the materials used renewable or finite? Do the materials use improve or reduce the durability and life of a product? Do the materials allow or restrict how recyclable the product is? Would the material or components allow the product to be biodegradable if it went to landfill? Ethical factors Is the use of this material the right thing it do? Will its use have a negative impact on the environment which is morally wrong? Is there any evidence that the material is sources in a more ethical way? FSC, Fairtrade, etc Cost How expensive will the materials make the overall product? Can the materials be brought in bulk by the manufacture to reduce the cost of the product?

Sources and origins To be able to research and analyse information about where a material group is sources from To be able to present research in a clear and easy to understand way

To be able to research and analyse information about where a material group is sources from To be able to present research in a clear and easy to understand way The specialist materials groups that you need to know about are : Timber Polymers Metal For each material group you need to be able to: Explain the sources of where each comes from in its raw form. Explain how is it processed into a useable material or component. Task You will work in groups to create a detailed fact sheet with diagrams and key terms explain so that you clearly demonstrate an understanding of that material - Use the text book and internet to create and fact sheet. - It can be hand written or done on the iPad. - This fact sheet will be used by other students. - The best ones will receive CFA.

Forces and stress To be able to identify the different forces that work be at work on a range of different product. To be able to create a structure that will demonstrate how a range of materials will resist difference forces

Torsion – the forces which will twist an object around itself To be able to identify the different forces that work be at work on a range of different product. To be able to create a structure that will demonstrate how a range of materials will resist difference forces Recap of the different types of material strengths you can test. What do these mean? Tension – the forces that will pull an object apart so it is stretched. Compression – the forces that push an object inwards so that it is squeezed. Shear – the forces which acts across an object so slice it apart by moving in the opposite direction. (scissors) Bending – the forces that act to move an object at an angle so that it is bent Torsion – the forces which will twist an object around itself

Tower challenge Work in three groups To be able to identify the different forces that work be at work on a range of different product. To be able to create a structure that will demonstrate how a range of materials will resist difference forces Tower challenge Work in three groups Building a structure which will be able to support a given weight Use the materials you are given The highest tower winners You have 20 mins

Re-enforcement Challenge To be able to identify the different forces that work be at work on a range of different product. To be able to create a structure that will demonstrate how a range of materials will resist difference forces Re-enforcement Challenge Now you have additional materials use them to re-enforce your tower You have an extra 10mins

Tension The forces that will pull an object apart so it is stretched. Compression The forces that push an object inwards so that it is squeezed. Shear The forces which acts across an object so slice it apart by moving in the opposite direction. (scissors) Bending The forces that act to move an object at an angle so that it is bent Torsion The forces which will twist an object around itself

Stock form To be able to identify a range of different stock forms for timber, polymers and metals To be able to select an appropriate stock form for an appropriate application

Wood Timber Stock form Strips, Square, Board, Plank, Mould Rough-sawn To be able to identify a range of different stock forms for timber, polymers and metals To be able to select an appropriate stock form for an appropriate application Wood Timber Stock form Strips, Square, Board, Plank, Mould Rough-sawn cheaper and needs more preparation PBS (Planed Both Side) PAR (Planed All Round) or PSE (Planed Square Edge) More expensive but ready to use Note: - Planning removed approx. 3mm off each side - This means timber advertised as PAR 100mm2 is actually 94mm2 Moulding - These are profiled strips of timber which come in various shapes. They are formed using a spindle moulder. - The most common moulding is dowel. Man-made/Manufactured Board Stock form - Board – set size of board is 2440 x 1220 mm - These common range in 3-25mm thicknesses increase in 3mm increments. - Some more modern boards like aeroply or flexi-ply come in a wider variety of thicknesses. Veneer - Veneer comes in various thicknesses and can be made by rotary peeling .This can be used to make plywood. It can also be made by slicing. This is then laminated onto MDF sheets to improve their aesthetics.

To be able to identify a range of different stock forms for timber, polymers and metals To be able to select an appropriate stock form for an appropriate application Metals

To be able to identify a range of different stock forms for timber, polymers and metals To be able to select an appropriate stock form for an appropriate application Polymer

To be able to identify a range of different stock forms for timber, polymers and metals To be able to select an appropriate stock form for an appropriate application Components

Ecological and social footprint To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact

To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact The six 6s

To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Mining

To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Drilling

To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Farming

To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Deforestation

Reducing oceanic and atmospheric pollution To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Reducing oceanic and atmospheric pollution

Reducing the detrimental impact on others To be able to understand the impact processing and manufacturing has on the environment To be able to consider how society and designers have started to reduce this impact Reducing the detrimental impact on others