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IJAT Vol.10 No.1 pp. 16-22
doi: 10.20965/ijat.2016.p0016
(2016)

Paper:

Diamond Machining of Holograms Using Fine Rectangular Shaped Cutting Tools

Axel Meier, Oltmann Riemer, and Ekkard Brinksmeier

Laboratory for Precision Machining
Badgasteiner Str. 2, 28359 Bremen, Germany

Received:
July 14, 2015
Accepted:
November 2, 2015
Online released:
January 4, 2016
Published:
January 5, 2016
Keywords:
diamond turning, microstructure, hologram, diamond tools
Abstract

Diamond machining is a flexible process ensuring an excellent workpiece precision. In combination with fast tool servos, which dynamically modulate the depth of cut, diffractive microstructures and holograms can be machined. The complexity and functionality of the structure depends on the flexibility of the machining process. Novel diamond tool geometries with fine rectangular shaped cutting edges and a width below 20 μm extend the machinable structure geometries. This paper presents fundamental cutting experiments using these novel tools with widths of the cutting edge of 10 μm and 20 μm to machine diffractive microstructures with a rectangular shaped profile. Particularly, the influence of the feed on the uniformity of the structure width and on burr formation on the structure edges is investigated. Using these tools together with fast tool servo assisted diamond turning holograms for multiple wavelengths can be machined, forming different intensity patterns in dependence of the wavelength.

Cite this article as:
A. Meier, O. Riemer, and E. Brinksmeier, “Diamond Machining of Holograms Using Fine Rectangular Shaped Cutting Tools,” Int. J. Automation Technol., Vol.10, No.1, pp. 16-22, 2016.
Data files:
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Last updated on Dec. 10, 2019