Metals
• Push Pull Linkage • Cranks Pulleys and Belts • Pulleys and flat belt • V Pulleys and belts Introduction to Metals Ferrous Metals • Iron, Steel & Stainless Steel Non-Ferrous Metals • Aluminium, copper and tin Alloys • Brass, pewter & tin/lead solder Properties and Characteristics of Metals • Density, strength, hardness, durability, strength to weight ratio, stiffness, elasticity, impact resistance, plasticity, corrosion resistance, thermal and electrical conductivity Lifecycle of Metals • Recycling and sustainability • Upcycling
Pupils cover a wide variety of theory examining metal as a material and its manipulation and use.
Commonly Available Forms and Stock Components • Length, sheet, reels, rods • Bolts, Rivets, Hinges, Screws
Pupils are able to apply their knowledge to answer questions about metals.
Manufacturing in School • Wastage Techniques: Sawing, drilling, sheering and turning • Addition techniques such as welding/brazing and riveting • Deforming and reforming: pressing, bending & casting
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Industrial Manufacture • CNC Milling, turning, sheet metal folding, pressing and stampings and die casting.
Application of principles
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Pupils apply their understanding of metal manufacturing methods. They apply creative process to design the projection aspect of the task Practical competencies developed include: • Marking and Cutting techniques • External and Internal Thread cutting • Facing off and parallel turning • Using Shears to shape metals • Mould making and casting. • Use of guillotine • Metal rolling • Welding and metals. 2021 Page | 18
