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8 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.

8 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.

8 Sep 2001: Economics. On an industrial scale, the wear on grinding equipment is significant and this adds greatly to the cost.

8 Sep 2001: Economics. Production rates and costs strongly depend on the type of process and the size of component.

8 Sep 2001: Economics. Basic equipment costs around £10,000, but automation can increase this significantly.

8 Sep 2001: Economics. Production rate is limited by the insertion and removal of the blank, so some form of automation is often used.

8 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.

8 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+.

8 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.

8 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