DFM | product development
moulding cycle time. It was also possible to reduce the number of mould cavities needed to achieve the required product volumes through more effi cient part and mould design. This gave a relative cost saving of 35% on the original tooling investment cost and yielded not only a capital saving but also a shortened the time required to qualify and approve the mould tools. Part-to-part variation in production was also reduced.
About the author Andre Eichhorn is general manager of AST Technology, which is based in Germany. This is the opening instalment in a series of articles discussing the benefi ts of taking a design for manufac- turing (DFM) approach to product development. Future instalments will discuss key elements of good DFM practice, providing practical examples of how the principles have been applied and what benefi ts have been achieved. Next month: Correct specifi cation of materials.
www.ast-tech.de
Figure 2: The use of DFM techniques resulted in a material saving of 21% in this part
redesign, meeting all mechanical require- ments while improving aesthetics and dimensional stability
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