1.1.7
Production Techniques & Systems
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Computer Aided Design (CAD)
Computers are now an integrated part of production techniques and systems. As technology and artificial intelligence develop we will be increasingly reliant on them for all stages of the design and manufacture process.

Automation
- Automation is the use of computers to automatically run a production line.
- This reduces the need for skilled manual labour and reduces human error.

Computer aided design (CAD)
- CAD packages are computer programs that the designer can use to draw detailed designs, and model ideas.
- The product can be realised quickly and seen in 3D.
- Components can be drawn separately and virtually assembled to check if they fit.
- Colours, materials and sizes can be altered quickly.

Benefits of CAD
- Early models can be used to aid market research and can be quickly and easily shared via email with clients.
- Optimum material thicknesses can be calculated.
- Tests can be simulated without waste.
- The drawings can be used to program CAM (computer aided manufacture - see the next slide!).

Computer aided manufacture (CAM)
- Computer numerical control (CNC) uses codes converted from the CAD drawings to program different machines to shape and engrave material.

Machines
- These machines include:
- Laser cutter.
- Computer numerical control (CNC) milling machine.
- CNC lathe.
- CNC Router.
- CNC sewing machines.
Manufacturing Systems
Computers are now an integrated part of production techniques and systems. As technology and artificial intelligence develops we will be increasingly reliant on them for all stages of the design and manufacture process.

Flexible manufacturing systems (FMS)
- A series of automated machines are used in the production of a product.
- The machines can be easily re-programmed to change the task that they are doing which makes the process flexible.
- Robot arms are often used as they can be easily adaptable.

Benefits of FMS
- The machines can:
- Restock shelves.
- Transfer and assemble parts.
- Manufacture parts.
- Check quality, improving efficiency and reducing human error.

Just in time (JIT)
- Just in time manufacturing systems work by having close relationships with suppliers.
- The parts needed for manufacture arrive just as they are needed directly from the supplier.

Advantages and disadvantages
- Advantages include:
- Less storage space needed.
- Minimal waste as you only order what you need.
- Production runs can change easily to another product.
- Disadvantages include:
- If there is a problem with the supplier, the process is delayed.
- An unexpected demand could lead to delays.

Lean manufacturing
- Lean manufacturing looks at the whole manufacturing process and works to create the best product to meet consumer demand.
- The main aim is to create the most efficient and effective product while eliminating waste.

Lean manufacturing cont.
- It includes:
- Efficient working.
- Just in time manufacture.
- Continuous improvement.
- Quality assurance.
- Feedback from the consumer.
1Core Technical Principles
1.1New & Emerging Technologies
1.2Energy Generation & Storage
1.3Developments in New Materials
1.4Systems Approach to Designing
1.5Mechanical Devices
1.6Materials Categories
2Paper & Board: Specialist Technical Principles
2.1Selection of Materials
2.2Paper & Board: Forces & Stresses
2.3Paper & Board: Ecological & Social Footprint
2.4Paper & Board: Sources & Origins
2.5Paper & Board: Using Materials
2.6Paper & Board: Stock Forms, Types & Sizes
2.7Paper & Board: Scales of Production
2.8Paper & Board: Specialist Techniques & Processes
2.9Paper & Board: Surface Treatments & Finishes
3Timber: Specialist Technical Principles
3.1Timber: Selection of Materials
3.2Timber: Forces & Stresses
3.3Timber: Ecological & Social Footprint
3.4Timber: Sources & Origins
3.5Timber: Using Materials
3.6Timber: Stock Forms, Types & Sizes
3.7Timber: Scales of Production
3.8Timber: Specialist Techniques & Processes
3.9Timber: Surface Treatments & Finishes
4Metal: Specialist Technical Principles
4.1Metals: Selection of Materials
4.2Metals: Forces & Stresses
4.3Metals: Ecological & Social Footprint
4.4Metals: Sources & Origins
4.5Metals: Alloy-Based Materials
4.6Metals: Using Materials
4.7Metals: Scales of Production
4.8Metals: Specialist Techniques & Processes
4.9Metals: Quality Control
4.10Metals: Surface Treatments & Finishes
5Polymers: Specialist Technical Principles
5.1Polymers
5.2Polymer Categories
5.3Polymer Forms
5.4Polymer Production, Techniques & Quality Control
6Textiles: Specialist Technical Principles
6.1Textile Materials
6.2Selection of Materials
6.3Forces & Stresses
7Designing & Making Principles
7.1Investigation & Data
7.2Environmental, Social & Economic Challenges
7.3The Work of Others
7.4Design Strategies
7.5Communication of Design Ideas
7.6Prototype Development
7.7Selection of Materials
7.8Tolerances
7.9Material Management
7.10Specialist Equipment
7.11Specialist Techniques & Processes
Jump to other topics
1Core Technical Principles
1.1New & Emerging Technologies
1.2Energy Generation & Storage
1.3Developments in New Materials
1.4Systems Approach to Designing
1.5Mechanical Devices
1.6Materials Categories
2Paper & Board: Specialist Technical Principles
2.1Selection of Materials
2.2Paper & Board: Forces & Stresses
2.3Paper & Board: Ecological & Social Footprint
2.4Paper & Board: Sources & Origins
2.5Paper & Board: Using Materials
2.6Paper & Board: Stock Forms, Types & Sizes
2.7Paper & Board: Scales of Production
2.8Paper & Board: Specialist Techniques & Processes
2.9Paper & Board: Surface Treatments & Finishes
3Timber: Specialist Technical Principles
3.1Timber: Selection of Materials
3.2Timber: Forces & Stresses
3.3Timber: Ecological & Social Footprint
3.4Timber: Sources & Origins
3.5Timber: Using Materials
3.6Timber: Stock Forms, Types & Sizes
3.7Timber: Scales of Production
3.8Timber: Specialist Techniques & Processes
3.9Timber: Surface Treatments & Finishes
4Metal: Specialist Technical Principles
4.1Metals: Selection of Materials
4.2Metals: Forces & Stresses
4.3Metals: Ecological & Social Footprint
4.4Metals: Sources & Origins
4.5Metals: Alloy-Based Materials
4.6Metals: Using Materials
4.7Metals: Scales of Production
4.8Metals: Specialist Techniques & Processes
4.9Metals: Quality Control
4.10Metals: Surface Treatments & Finishes
5Polymers: Specialist Technical Principles
5.1Polymers
5.2Polymer Categories
5.3Polymer Forms
5.4Polymer Production, Techniques & Quality Control
6Textiles: Specialist Technical Principles
6.1Textile Materials
6.2Selection of Materials
6.3Forces & Stresses
7Designing & Making Principles
7.1Investigation & Data
7.2Environmental, Social & Economic Challenges
7.3The Work of Others
7.4Design Strategies
7.5Communication of Design Ideas
7.6Prototype Development
7.7Selection of Materials
7.8Tolerances
7.9Material Management
7.10Specialist Equipment
7.11Specialist Techniques & Processes
Practice questions on Production Techniques & Systems
Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.
- 1Consequences of automation:Fill in the list
- 2What does CAD stand for?Fill in the list
- 3Features of computer aided design (CAD):True / false
- 4Benefits of CAD:Fill in the list
- 5FMS machines can:Fill in the list
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