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When looking for power reserves, every engine developer dreams of exhausting all the technological options without having to pay attention to the available tools, equipment and costs. Under time pressure, rapid prototyping techniques are excellently suited to accommodate this desire. Even in the development stage, RP methods provides the development engineer with a tool that offers an optimal cost-benefit ratio.
The engineer tries to advance the power increase in small development steps and with minimal prototype quantities. Even small changes have to demonstrate their fitness for use on the test bench and in driving tests. Quick operational availability and component characteristics close to those of the series parts are the top priorities here. At this stage of development, investment in modelling equipment is premature due to the high likelihood of changes and the low part quantities and usually slow the process by a great outlay of time and money.
When the opportunities arising from prototype manufacturing by laser-sintering of Croning®- molding material are compared with the conventional method of manufacturing via modelling equipment, it is very easy to confirm the frequently quoted advantage laser-sintering offers by reducing time and costs by up to 80%. A precondition for this result is to use the rapid prototyping techniques purposefully and not just to keep to a schedule.
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