20-Modern Industrial and Commercial Practice Flashcards
What are the 3 scales of production?
- Bespoke/One-off
- Batch
- Mass/Continuous
Outline bespoke/One-off production
- Individually designed and manufactured products
- More expensive and lengthy process and materials and processes will be specialised to each product
Outline Batch Production
- Products/ components are made in groups all using the same manufacturing processes
- This minimizes the set up costs of the manufacture
- Jigs, Fixtures, and CNC machines are frequently used in batch production as they will increase the accuracy and uniformity of manufacture
Outline mass/continuous production
- Focus’ on divisions of labour meaning that workers will only carry out a singular process in the system
- Linear nature
- An example of a product that is mass produced would be the IKEA Billy Bookcase
Outline Vertical In-house Production
- Means that a company will own its whole supply chain
- This reduces the risk of component price increases and makes it easier to implement quality control systems
- However it can cause a reduction in flexibility of products
State 4 factors that can dictate the choice of material for a product
- Cost
- Typical material form
- Processes
- Scale of Production
State 2 ways in which design can cause an economic use of materials
- The use of nesting when using wasting processes
- Products can be designed with material stock forms taken into account which can reduce excess material
Give one example where design caused a more economic use of materials
- The amount of raw material used in glass bottles has been reduced by 30% since the 1980s by reducing bottle thickness
Why is accuracy and uniformity important in reducing waste?
- Many products must fit perfectly in order to function, therefore if manufacture is not accurate then it can cause large parts of products to be wasted
State a manufacturing process that can help reduce waste
- CNC machines such as CNC routers reduce the risk of human error in manufacture and will also produce exactly the same product each time
State 3 ways in which the use of computer systems can help plan and control
- Planning and control systems can be used to organise complex manufacturing processes
- Barcodes can be used to provide a reliable transfer of information in regards to stock for example
- Spreadsheets and statistics are available to analyse and improve systems
What is Just-in-Time (JiT) Manufacture ?
- Ordering materials and components when products are ordered as opposed to stockpiling inventory
State two JiT manufacture strategies
- Increased manufacture and worker cooperation
- The use of electronic stock control systems
Outline one companies use of JiT manufacture
- In the 1980s Harley_Davidson converted to JiT manufacture in order to combat the effects of stockpiling products
What 3 negatives did Harley-Davidson find about stockpiling?
- Higher than necessary material costs
- Large Storage requirements
- Damage of stock