Suitability of Additive Manufacturing Process in Optical Lens Production

Year : 2021 | Volume : | Issue : 3 | Page : 39-46
By

    Umesh Sable

  1. Prashant T. Borlepwar

  1. P.G. Student, Department of Mechanical Engineering, Maharashtra Institute of Technology, Aurangabad, Maharashtra, India
  2. Assistant Professor, Department of Mechanical Engineering, Maharashtra Institute of Technology, Aurangabad, Maharashtra, India

Abstract

Additive Manufacturing is one of the non-conventional methods of manufacturing that is gaining immense popularity for its ease to manufacture customized parts. The lenses have always been manufactured using a continuous process of Blanking, Surface generation, Edging and Centering, Grinding, Polishing, and Coating. But the conventional processes demand large inventories and more time. Customization of lenses may also be possible if a process like Additive Manufacturing is implemented. Also, the processes like Blanking, Surface generation, Edging, and Centering can be avoided if they are replaced by only one process i.e. Additive Manufacturing. But whether it is suitable for the manufacturing of lenses is a question of concern. To study its suitability in the current scenario, lenses of three types namely, Plano-Convex, Plano-Concave, and Bi-Convex lens were manufactured using AM process Stereolithography, and test like the Hardness test was conducted. Focal lengths, as well as Radii of Curvature, are measured to check the conformance of the obtained values with the pre- decided values. As a result, due to the unavailability of proper post processing methods, the lenses were found to show low values of hardness and variance of the focal length and curvature values as compared to the conventionally manufactured lenses of similar types.

Keywords: Additive Manufacturing, Stereolithography, Optical lenses, Bi-Convex, Plano-Concave, Plano-Convex.

[This article belongs to Trends in Mechanical Engineering & Technology(tmet)]

How to cite this article: Umesh Sable, Prashant T. Borlepwar Suitability of Additive Manufacturing Process in Optical Lens Production tmet 2021; 11:39-46
How to cite this URL: Umesh Sable, Prashant T. Borlepwar Suitability of Additive Manufacturing Process in Optical Lens Production tmet 2021 {cited 2021 Jun 29};11:39-46. Available from: https://journals.stmjournals.com/tmet/article=2021/view=91782/

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Regular Issue Open Access Article
Volume 11
Issue 3
Received February 3, 2021
Accepted June 16, 2021
Published June 29, 2021
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