Spring 2022 Flashcards
What needs to be considered during material selection?
- Functionality
- Ethical factors
- Availability
- Aesthetics
- Cost
- Social / Cultural factors
What is considered when looking at functionality during material selection?
- How well does a product carry out its purpose
- What is the product used for
- Where will the product be used
What is considered when looking at Ethical factors during material selection?
- Moral decisions when designing and manufacturing products
* What are the implications
What is considered when looking at availability during material selection?
- Ease of sourcing and purchasing material
- Is it in good supply
- Could this affect the cost
What is considered when looking at Social / Cultural factors during material selection?
*Social responsibility and sensitivity to other cultures
What is considered when looking at cost during material selection?
- Cost of materials
- Cost of manufacturing using material
- Could you buy in bulk
What is considered when looking at Aesthetics during material selection?
- How will the product look
- Does it look nice / appropriate
- Is the finish cost effective / appropriate
What are raw materials?
Unprocessed materials used to produce a variety of products
What is the raw material used to make planks of wood?
Trees
What is the raw material used to make Polymers?
Crude oil
What is the raw material used to make Metal bars?
Metal ore
What is a stock form?
Standard sizes that materials are produced in enabling them to be easily used across industries
Why are stock forms cheaper than special or custom sized materials?
Stock sizes come in standard forms and sizes and they are cheaper to produce as they can be processed in large quantities
Why is it important for designers to choose appropriate stock forms to use in their product?
The use of an appropriate stock form will help keep down costs as they avoid the need for any additional machining or processing before use. It can also help reduce waste
What is the reason for stock forms?
Stock forms come in many common shapes and sizes, allowing manufacturers and designers to select the most appropriate shape / size to manufacture their product
What is the standard form for wood?
Planks
What is rough sawn wood used for?
Rough sawn wood is used for hidden building work as it hasn’t been planed smooth
What is planed square edge (PSE)?
Timber which has been sent through a planer / thicknesser to create a smooth standard thickness of timber
What is an advantage of stock form manufactured boards over stock form planks of wood?
They can come in much larger sizes and in a wider variety of thicknesses
What are some examples of standard components?
- Hinges
- Screws
- Bolts
- Handles
- KD Fittings
- Nuts
- Rivets
What are Knock Down (KD) fittings?
Fittings that allow wood or board to be joined together quickly and accurately, but then disassembled later
What are KD fittings often used for?
Flat pack furniture