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Investigation of elemental diffusion during the drawing and heat treatment of glass optical fibres

โœ Scribed by A. C. Pugh; R. P. Stratton; D. B. Lewis


Publisher
Springer
Year
1994
Tongue
English
Weight
438 KB
Volume
29
Category
Article
ISSN
0022-2461

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## Abstract This paper presents two different systems for measuring the roundness deviation of bearing rings during heating and gas quenching. During heating in a furnace, laser triangulation is applied to measure absolute values for the ring's mean radius and ovality. Afterwards, the ring is quenc