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Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/lost_wax_casting.html8 Sep 2001: Economics. The production cycle is slow: usually only 1-5 castings can be made an hour, depending on the size. ... Although the setup costs are low, the low manual production rate means that only batch sizes of up to 50 are economic; this can rise to a -
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/vacuum_forming.html8 Sep 2001: Economics. Cycle time is limited by heating and cooling of the sheet. -
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. -
Product Analysis
www-materials.eng.cam.ac.uk/mpsite/tutorial/non_IE/prodanal.html20 Jan 2000: Every product is designed in a particular way - product analysis enables us to understand the important materials, processing, economic and aesthetic decisions which are required before any product can be manufactured. ... Choose a suitable process that -
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/injection_moulding.html8 Sep 2001: Economics. To reduce costs, several parts are often moulded together on a "tree-like" structure; parts can then be separated after moulding. ... Injection moulding is only economic for batches of 10,000 - 100,000 or more and so is usually automated. -
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/sheet_forming.html8 Sep 2001: Some scrap is always produced and cannot be directly recycled. Economics. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/mechanical_fastening.html8 Sep 2001: Economics. Can be economic for any batch size from one-offs to mass production (with or without automation).
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