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Essay / Single Point Incremental Forming - 1330
IntroductionFor centuries, humans have produced sheet metal components using different tools and techniques. A universally applied method is the use of dies and punches, made according to the shape and dimensions of the component. However, although it is widespread, it presents technological obstacles, such as high energy costs and very high investments, which make this process very expensive. Due to the high cost of punches and dies, this method is only suitable for mass production, where the cost can be shared with a large number of products. However, the recent diversification of customer demand has led to a reduction in production batches. To take this reduction into account, new production methods for a small batch size are being developed. One such method is to create an incremental formation in the sheet metal using a simple tool. The idea of incremental forming with a single tool, in the three Cartesian axes, was patented in 1967 by Leszak [LES67]. This method has become very attractive due to advances in manufacturing technology in the areas of numerical control and automation. The tool can be a simple hammer, a laser beam or a water jet. A technique that receives great attention from the scientific community and industry is single-point incremental forming (SPIF).Single-point incremental formingDescriptionSingle-point incremental forming is an innovative process that has the ability to produce non-axisymmetric parts. It uses simple tools, usually a cylindrical metal tool with a flat or spherical tip. It also does not require the use of dies adapted to the shape of the part to be produced. Figure 1 shows the components involved....... middle of article......d J., (2005) Asymmetric Single Point Incremental Forming of Sheet Metal, CIRP Annals-Manufacturing Technology, Vol 54 Issue 2, pp 88-114.Duflou, JR, Lauwers, B., Verbert, J., (2005), Medical application of single-point incremental forming: manufacturing of cranial plates. Proceedings of the VRAP 2005 conference. Leiria. pp. , Journal of Materials Processing Technology, pp. 622-628.Callegari M., Amodio D., Ceretti E., Giardini C., (2006) Industrial robotics: programming, simulation and applications, ISBN 3-86611-286-6, pp. 702, Germany. Câmara J., Single Point Incremental Forming, (2009) Instituto Superior Técnico, Universidade Técnica de Lisboa.