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Forming, redistribution and addition processes
Official AQA section 3.1.4.
10
Objectives
10
Flashcards
10
Questions
90 min
Study time
AqaA LevelDesign And Technology Product DesignTechnical principles
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10 objective pages available
Forming, redistribution and addition processes8 objectives
- Paper and board forming processes.
- Students should be aware of the ways that paper and board can be shaped into different products such as packaging. Specific process to include: • die cutting • laser cutting • creasing • bending. Polymer processes.
- Students should be aware of how polymers can be formed into 3D products. They should be able to describe the different forming methods. They should be able to explain the suitability of the different forming methods for a range of specific products and scales of production. Specific process to include: • vacuum forming • thermoforming • calendaring • line bending • laminating (layup) • injection moulding • blow moulding • rotational moulding • extrusion • compression moulding. Metal processes.
- Students should be aware of how metals can be shaped into 3D products. They should be able to describe the different forming methods. They should be able to explain the suitability of the different forming methods for a range of specific products and scales of production. Specific processes to include: • press forming • spinning • cupping • deep drawing • forging • drop forging • bending • rolling • casting: • sand casting • die casting • investment casting • low temperature casting (pewter).
- Students should be aware of the different permanent and temporary joining methods for metals. They should be able to describe the different methods. They should be able to explain the suitability of the different joining methods for a range of specific products and scales of production. Including addition/fabrication processes: • metal inert gas (MIG) welding • tungsten inert gas (TIG) welding • spot welding • oxy-acetylene welding • soldering (soft and hard) • brazing • riveting • temporary joining methods and fasteners: • self tapping screws • machine screws • nuts and bolts.
- Students should be aware of the different wasting processes. They should be able to describe the different processes. They should be able to explain the suitability of the different wasting processes for a range of specific components and products. Specific processes to include: • milling • turning • flame cutting • plasma cutting • laser cutting • punching/stamping. Wood processes.
- Students should be aware of how timber can be joined to form different products. They should be able to describe the different methods. They should be able to explain the suitability of the different joining methods for a range of specific products and scales of production. Including: • addition/fabrication processes • traditional wood jointing: • dovetail joint • comb joint • housing joint • half-lap joint • dowel joint • mortise and tenon • component jointing: • knock down (KD) fittings • wood screws • nuts and bolts • coach bolts.
- Students should be aware of how timber can be formed into 3D products. They should be able to describe the different processes. They should be able to explain the suitability of the different wasting processes for a range of specific products. Specific processes to include: • laminating • steam bending • machine processes: • turning between centre • use of the chuck and faceplate • milling • routering to produce slots, holes and profiles.
The use of adhesives and fixings2 objectives
- PVA • Contact adhesives • UV hardening adhesive • Solvent cements such as Tensol or acrylic cement • Epoxy resin Jigs and fixtures.
- Students should be aware of how jigs and fixtures can be used to aid the manufacture of products. They should be able to describe them and explain their suitability for accurate and repeated manufacture of products. Dimensions and angles in the design of jigs, fixtures and templates.
Key terms
Die CuttingEmbossingLaser CuttingThermoformingInjection MouldingCuppingDrop forgingBrazingRivetingMillingTurningDowel Joint
Exam tips
- Use diagrams to illustrate processes: In your answers, include diagrams to support your explanations of processes like die cutting and embossing.
- Focus on process applications: When answering questions, clearly relate processes to their applications in real-world scenarios.
Common mistakes
- Confusing die cutting with other cutting methods: Understand that die cutting specifically uses a die for precise shapes, while laser cutting uses a focused beam of light.
- Confusing die cutting with laser cutting: Understand that die cutting uses a physical die for shapes, while laser cutting uses a laser for precision.
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