1.11 Design for manufacturing, maintenance, repair and disposal Flashcards
What can make recycling difficult?
Ability to disassemble the product
How do manufactures help with polymer recycling?
using coding on different product to aid with sorting of waste
How do Dyson aid recycling efforts?
Arrange for free collection of the old vacuum for recycling
What does the term ‘cradle to grave’ mean?
Designers and manufacturers are considering the impact of the whole life cycle of the product they produce
What does the ‘cradle to grave include’
Raw material : Extraction Production Distribution Use Disposal
What manufacturing method can be used to reduce material waste?
Nesting
How have Ikea reduce material use in table tops?
Using a honeycombe structure to keep strength and reduce material usage
How have Ikea increased efficiency of vehicle use?
Increasing loading capacity and turning to electric vehicles
What did Schwarzkopf do?
Changed their shampoo bottles to use 30% less materials but still have the same strength
How do solid hardwood furniture manufacturers reduce amount of timber wasted?
Use techniques such as glueing together small pieces to create large sections
How can consumers make a difference?
Refusing to purchase products that are harmful to the environment
Why are many products not designed for repair?
Greater costs associated with easily dismantled temporary fastening methods
How does repair link to aesthetics?
Consumers want sleek and slim products as they are more attractive
What are the disadvantages or reinforced polymer composite and how have they been overcome?
High initial cost and recycling it is difficult
Number of repair strategies has been put in place e.g. patches, scarf joint and resin infusion
How are vehicle bodies repaired?
Full panels are removed and recycled and replaced
What is rethink?
Consideration of alternatives to traditional products
What are 3 examples of rethinking?
Using the cycle to work instead of buying a car
Having solar panels fitted
Installing a water butt system for garden watering
Why are new product affordable?
They have been produced in countries where workforces are poorly paid
Give 2 examples of reusing?
Matching bricks is a company who specialise in the re-use of bricks for extensions
View tube was constructed out of old shipping containers as a place to watch the construction of the London Olympic Park
What is upcycling?
creative reuse of unwanted products and materials
Why are some products difficult to repair?
Due to protections of internal workings e.g. water tight seals
Why can tablets and phones be hard to repair?
to make the products slim some components such as the battery and SSD which are non-renewable
What is a more consumer friendly maintenance approach?
using temporary joining methods such as screws
what are companies eager to do?
Create their products as efficiently as possible to reduce costs and minimise mistakes
What are 4 examples of systems used to increase ease of manufacture?
Using standardised parts
Use of self finishing materials such as polymers
Using adhesives rather than mechanical fasteners
Injection moulding
What causes disassembly to be a low priority?
Cost implications
Which company is at the forefront of ELV implementation?
BMW
How can shape materials aid with disassembly?
SMA and SMP can be used as fastenings in products
At the end of life the product is heated and the fastenings release themselves
