Abstract

For glass grinding conditions where fracture is the principal mechanism, a constancy is found between the depths of surface roughness and subsurface damage. For a range of experimental conditions we find the ratio of subsurface damage to surface roughness to be 6.2–6.4 for bound diamond abrasive grinding. This is larger than the value reported for loose abrasive grinding (3.7–4.0). The constancy of this value has great practical importance. From a measurement of the surface roughness one can obtain an accurate estimate of the damage layer thickness that must be eliminated by polishing or subsequent grinding operations.

© 1987 Optical Society of America

Optical glass fabrication technology. 1: Fine grinding mechanism using bound diamond abrasives

David F. Edwards and P. Paul Hed
Appl. Opt. 26(21) 4670-4676 (1987)

Surface microroughness of optical glasses under deterministic microgrinding

John C. Lambropoulos, Tong Fang, Paul D. Funkenbusch, Stephen D. Jacobs, Michael J. Cumbo, and Donald Golini
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Subsurface damage of fused silica lapped by fixed-abrasive diamond pellets

Zhichao Dong, Haobo Cheng, Xu Ye, and Hon-Yuen Tam
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Relationship between subsurface damage depth and surface roughness during grinding of optical glass with diamond tools

P. Paul Hed and David F. Edwards
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