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Material and Process Selection
www-materials.eng.cam.ac.uk/mpsite/processes.html25 Feb 2002: Material processing. Local resources. A process encyclopedia containing details on how processes work as well as useful selection information such as possible materials, shapes, economics etc. -
The TEP Package
www-materials.eng.cam.ac.uk/mpsite/TEP/processes.html20 Mar 2000: Useful design guidelines about possible materials and shapes. Useful guidelines about the economics to enable selection of cost-effective processes. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/sintering.html8 Sep 2001: Economics. The machinery is expensive, and can cost well over £100,000 for HIPing. ... Because there is little competition, can be economic for small batches (1,000+) - although still not cheap! -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/milling.html8 Sep 2001: Economics. Milling machines vary in price from £1,000 to £1,000,000. Milling is generally a very slow way to produce a component - but it can be economic for prototyping -
DT resources
www-materials.eng.cam.ac.uk/mpsite/DT.html25 Feb 2002: Processing information. A process encyclopedia containing details on how processes work as well as useful selection information such as possible materials, shapes, economics etc. -
Comparing the costs of processing routes
www-materials.eng.cam.ac.uk/mpsite/tutorial/non_IE/costs.html20 Jan 2000: Even so, it is possible to generate a range of economic batch sizes for which a process is normally cost-effective. ... finding trained operators. environmental considerations. will all affect the choice of the most economic process. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/soldering.html8 Sep 2001: Economics. Equipment is generally low cost, except where automation is used. ... Wave soldering is the most economic means of soldering large batches of printed circuit boards. -
Page 5
www-materials.eng.cam.ac.uk/mpsite/plug/non_IE/page5.html28 Jan 2000: Economics. We've already ruled out machining on cost grounds. Can any of the other processes be ruled out because of cost? ... We're going to want to make millions of pins, so we need a process with an appropriate economic batch size. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/metal_extrusion.html8 Sep 2001: Cold extrusion is possible for some metals giving better properties. Economics. ... Usually only economic for several thousand metres. Typical products. Tubing. aluminium window frames. -
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/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/rolling.html8 Sep 2001: Economics. For making stock items, rolling has few competitors.For this reason, it is usually performed by the foundries before passing on to customers for further processing. ... For long shaped sections, rolling is the only viable option for larger -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/polymer_extrusion.html8 Sep 2001: Near-net-shape process, only the ends of the extrusion are wasted. Economics. ... Because of the high costs, it is usually only economic to produce lengths over 10km - although there is little competition for many of the possible shapes. -
Process Encyclopaedia
www-materials.eng.cam.ac.uk/mpsite/process_encyc/non-IE/sand_casting.html8 Sep 2001: Economics. The basic equipment cost is low - from £500 to £3,000; automation and higher temperature furnaces can increase this a lot. ... The labour intensive nature of the process mean it is usually only economic for small batches, although dedicated -
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/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/joining.html8 Sep 2001: In addition to these processes, there are a variety of "hot processes" such as welding and brazing which can often provide stronger and more economic joints for metal parts. -
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/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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