Browse Publications Technical Papers 2001-01-2607

Machined Component Quality Improvements Through Manufacturing Process Simulation 2001-01-2607

New manufacturing technologies such as high speed machining (HSM) are being developed to produce high quality aerospace components. While our developing understanding of machining dynamics is enabling precise control of cutting tools to provide for high dimensional accuracy, residual stresses present in aluminum mill products can compromise the ability to machine dimensionally accurate components from these stock materials. The advantages of precise tool control can be lost if the metal being cut moves during machining. And, even a perfectly machined part that distorts when it is released from the machine bed will cause problems upon assembly. Thus, ensuring the quality of the mill product becomes an enabling technology for advanced manufacturing approaches such as HSM. In this paper, we will examine how material quality can influence finished component quality, and discuss some of the analytical methods we are utilizing to provide improved mill products for high precision manufacturing.


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