Grinding Glass Aspheres Using A Pantograph

Frank Cooke

doi:10.1117/12.955121

16 December 1976 Grinding Glass Aspheres Using A Pantograph

Frank Cooke

Proceedings Volume 0093, Advances in Precision Machining of Optics; (1976) https://doi.org/10.1117/12.955121
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

The pantograph incorporates a diamond wheel spindle on a precision air bearing running with great smoothness and works at a ratio of 6-1 following a master cam which was made by tape control. The glass is held to the work spindle by vacuum. Roughing cuts are made with metal bond diamond wheels and finishing cuts with resin bond wheels. Surface accuracies of ±0.0001" per inch are obtainable along with a 5 micro inch surface roughness.

Citation Download Citation

Frank Cooke "Grinding Glass Aspheres Using A Pantograph", Proc. SPIE 0093, Advances in Precision Machining of Optics, (16 December 1976); https://doi.org/10.1117/12.955121

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