Revision Guide
IF IN DOUBT ASK !!!!
Resistant Materials
21st March 2008
21-03-08
CAD - CAM - CIM - CNC - CADD
Use of computers in design - CAD, DTP, CNC, CAM. CIM
Use for manufacturing, e.g. routing, milling, lathes.
prototyping, etc. e.g. stereolithography. Draw packages
Use of digital cameras and image manipulation.
Recognise structures in man made and natural materials.
Frames – rigidity. Tension, Compression. Torsion, Shear
Bridges, Tunnels - etc Safety factors - Loading.
Tools and their uses.
Saws, drills, lathes, vertical and horizontal mills.
Quality Control &
Quality Assurance
Quality Assurance
Distinguish between and identify uses in production.
Implications for successful products and satisfied
customers. Relationship of the original specification to
the final product.
Health & Safety
Solvents, Glues & processes. Use information to assess
unfamiliar risks. Environmental management & COSHH
Surface finishes, paints, lacquers,
plastic coatings,
anodising
plastic coatings,
anodising
Uses for different products.
Reasons… aesthetics and protective – rusting (oxidising)
E.g. Reasons for using aluminium)
Flow Charts -
(Critical path
analysis)
(Critical path
analysis)
Symbols used in flow and block diagrams.
Order of working, ( Importance to maximising use of time and resources. )
Testing & Trialling
Evaluation, customer testing, proposals for modifications.
Testing for quality assurance, Evaluate against ‘fitness
for purpose’ , the design need, need of intended users.
Sustainable resources, recycling, redundant products, safe disposal. Pollution. Analysis of manufacturing techniques including use of jigs, templates, patterns.
Mechanisms
Gears, velocity ratios, pulleys, levers and links. Types of
Motion. Cams, cranks, sliders, simple machines
(screws). Rack & pinion, belts, Direct drive etc ...
Polymers &
Processes for
manufacturing
Processes for
manufacturing
Thermoplastics and processes ( line bending, sketches)
vacuum forming, injection moulding, etc.)
Thermosetting plastics. Biodegradable plastics.
Environment – recycling
Basic ‘Systems
& Control’
& Control’
Basics of mechanical systems. Simple electrical
circuits as might be used in products.
Joining materials
PVA, Spray adhesives, solvent cements, epoxy resin, glue
sticks, adhesive tapes, Velcro, pads, press fit fasteners.
Environment
Environmental effects. Personal safety. Recycling. Cost
implications for products. ‘Green’ issues.
