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Energy - Cost
www-materials.eng.cam.ac.uk/mpsite/interactive_charts/energy-cost/basic.html7 Sep 2001: Simple Questions. Why is it economic to recycle aluminium cans but less so for steel ones? ... Why will new reserves of minerals/oil which are not now economic to mine become economic in the future? -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/arc_welding.html8 Sep 2001: However, the production rate is slow so it is only economic for one-off jobs, repair work and difficult access situations. ... Joining of sheet (e.g. car body panels) is usually more economic by other welding processes such as spot welding. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/blow_moulding.html8 Sep 2001: Economics. The production speed is limited by opening and closing the mould, so automation is normally used. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/composite_forming.html8 Sep 2001: cured). Economics. There are few composite forming processes, and the decision of which to use is normally determined first by shape and type of fibre (chopped or continuous), and then by -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/compression_moulding.html8 Sep 2001: Economics. Cycle time is limited by heat transfer, or curing time and is usually over 1 minute. ... The low production rate means that it is only usually economic for batch sizes in the tens of thousands. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/die_casting.html8 Sep 2001: Economics. The machinery is expensive, and can cost well over £100,000. ... Because of the high capital cost, the process is only economic for batches of 100,000+. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/drilling.html8 Sep 2001: Economics. It is normal to try to reduce the amount of drilling required in a component by careful design - but when an accurate hole is required, drilling has little competition. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/forging.html8 Sep 2001: Economics. Production rate is limited by the insertion and removal of the blank, so some form of automation is often used. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/friction_welding.html8 Sep 2001: Economics. Basic equipment costs around £10,000, but automation can increase this significantly. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/glass_moulding.html8 Sep 2001: Economics. Production rates and costs strongly depend on the type of process and the size of component.
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