Learning objective
Students should be aware of, and able to explain, how a product can be designed and manufactured with disassembly in mind, including integral fixings and active disassembly using smart materials such as SMA and biodegradable parts.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Design for manufacturing, maintenance, repair and disposal
Subtopic
Design for manufacturing, maintenance, repair and disposal
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Quick explanation
Students should be aware of, and able to explain, how a product can be designed and manufactured with disassembly in mind, including integral fixings and active disassembly using smart materials such as SMA and biodegradable parts
- This point belongs to Design for manufacturing, maintenance, repair and disposal, especially Design for manufacturing, maintenance, repair and disposal.
- You need to be able to students should be aware of, and able to explain, how a product can be designed and manufactured with disassembly in mind, including integral fixings and active disassembly using smart materials such as SMA and biodegradable parts.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect Design for manufacturing, maintenance, repair and disposal to exam-style questions, flashcards, and revision notes for Design for manufacturing, maintenance, repair and disposal.
Quick student answer
Which of the following materials is commonly used for active disassembly due to its shape memory properties?
Direct answer
Shape Memory Alloys (SMA) are materials that can return to a predetermined shape when heated, making them ideal for applications requiring active disassembly.
Key terms
- Shape Memory Alloy (SMA): A type of metal that can return to a predetermined shape when heated, used in applications requiring active disassembly.
- Biodegradable Materials: Materials that can decompose naturally in the environment, reducing waste and environmental impact.
Common trap
Confusing biodegradable with recyclable materials: Understand that biodegradable materials break down naturally, while recyclable materials can be processed and reused but may not decompose.
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Related learning objectives
- Manufacture, repair, maintenance and disposal.
Design for manufacturing, maintenance, repair and disposal
- Students should be aware of, and able to explain, the need to modify designs to make them more efficient to manufacture, including: • reducing the number of manufacturing processes • how the choice of materials affects the use, care and disposal of products: • labelling of materials to aid separation for recycling • making products easy to disassemble or separate • application of the six Rs of sustainability: • reduce the quantity of materials, of toxic materials, of damaging materials and associated energy use • reuse components and parts • rethink by using eco friendly alternative materials • recycle materials and/or components into new products • maintenance: • temporary and integral fixings • use of standardised parts • allowing for service and repair/ replacement of parts • ability to upgrade with software downloads.
Design for manufacturing, maintenance, repair and disposal
- Students should be aware of, and able to explain, the different ways in which a product can be designed to allow for more efficient manufacture, including: • ribs and webbing to reduce material thicknesses • snap fittings to remove the need for fixings/adhesives • internal moulded screw posts for use with self tapping screws • use of pre made components • use of standardised patterns and sizes • addition of texture in moulding to reduce number of manufacturing processes • self finishing. Disassembly.
Design for manufacturing, maintenance, repair and disposal