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1. Reminder of the main stages of production
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Before turning to the production technologies, and to make the article easier to read, the following glossary gives the main terms that will be used:
shape defect: deviation in shape from the desired theoretical surface. The term "flatness" is often used as a synonym for both flat and uneven surfaces;
PTV: Peak To Valley: the maximum amplitude of the shape defect (maximum – minimum);
Rms: Root mean square ;
Ra: term expressing the arithmetic mean deviation ;
MRF: MagnetoRheological Finishing;
FJP: Fluid Jet Propulsion.
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To create an optical surface, the following main principles apply...
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Reminder of the main stages of production
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The Ultimate Scientific and Technical Reference