&lt;title&gt;Optical surface fabrication on ultraprecision machines&lt;/title&gt;

Ljubarsky, Sergey V.; Sobolev, V. G.; Shevtsov, S. E.

doi:10.1117/12.20275

Cited by 5 publications

(3 citation statements)

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“…Since the 1960s, diamond turning has made remarkable progresses especially during the 1980s as it began to enable to machine ultra-fine optical surfaces with complex geometry by incorporating elaborate numerical control along with ultraprecision optical interferometric displacement transducers [1,2]. Nowadays diamond turning has become a standard machining process of producing precision optical surfaces requiring high geometrical accuracy together with fine surface integrity.…”

Section: Introductionmentioning

confidence: 99%

Diamond turning of large off-axis aspheric mirrors using a fast tool servo with on-machine measurement

Kim

Song

2004

Journal of Materials Processing Technology

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Section: Introductionmentioning

confidence: 99%

Diamond turning of large off-axis aspheric mirrors using a fast tool servo with on-machine measurement

Kim

Song

2004

Journal of Materials Processing Technology

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“…Furthermore, the diamond turning can be able to machine ultra-fine optical surfaces with complex geometry. Nowadays diamond turning has become a standard machining process of producing precision optical surfaces requiring high geometrical accuracy together with fine surface integrity [3][4][5]. So, we choose the single point diamond turning to manufacture the off-axis ellipsoidal surface in this paper.…”

Section: Introductionmentioning

confidence: 99%

Ultra-Precision Machining of Off-Axis Convex Ellipsoidal Surface Using Two Different Accurate Spiral Tool Paths

Zhao

2014

KEM

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The off-axis parabolic mirror plays more and more important role in high-tech areas since the advantages of reducing space and improving the quality of imaging. Two ultra-precision manufacturing methods are often applied to machining the off-axis ellipsoidal mirror, which one is revolving the cylindrical blank around the axis of ellipsoidal surface and another one is revolving around the axis of cylindrical surface. But which machining method can produce a better result has no rounded comparisons and analysis according to previous research. In this paper, the tool path generation method is presented and the corresponding tool paths of each manufacturing method for the off-axis ellipsoidal mirror are calculated respectively. The motion characteristics are also analyzed and compared correspondingly. Finally, the effects of diamond tool parameters are further analyzed in theory to avoid the tool interference. The studies processed in this paper provide a theoretical basis of choosing the ultra-precision manufacturing method for the off-axis ellipsoidal mirror and can improve the efficiency and precision of processing.

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“…3 Nowadays, diamond turning has become a standard machining process of producing precision optical surfaces requiring high geometrical accuracy together with fine surface integrity. [4][5][6] So, the SPDT is chosen to study the off-axis ellipsoidal surface in this article.…”

Section: Introductionmentioning

confidence: 99%

Two tool path generation methods for ultra-precision machining of off-axis convex ellipsoidal surface

Zhao

2014

Proceedings of the Institution of Mechanical Engineers, Part N:

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Generally, two spiral tool path generation methods are applied to ultra-precision three-axis turning of off-axis convex ellipsoidal surface, which are tool path generating by revolving around the axis of convex ellipsoidal surface and revolving around the axis of cylindrical surface. In this article, two different computed results of spiral tool path generation for off-axis convex ellipsoidal surface are analyzed, and several key technologies during tool path generation are analyzed in theory. The general procedure of generating the precision tool trajectory is also presented. The characteristics of two different turning trajectories for the surface manufacturing are compared and studied in some typical aspects in the end. The studies show that each of the two different tool path generation methods has its own suitable work environment, and a reasonable method should be chosen according to the processing requirement and work environment during the process of single-point diamond turning. The analysis and argument presented provide an effective choice of the accurate spiral tool path generation method in ultra-precision manufacturing of the off-axis convex ellipsoidal surface, and the method can be used in the accurate spiral tool path choice of any kind of off-axis surface.

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<title>Optical surface fabrication on ultraprecision machines</title>

Cited by 5 publications

References 0 publications

Diamond turning of large off-axis aspheric mirrors using a fast tool servo with on-machine measurement

Diamond turning of large off-axis aspheric mirrors using a fast tool servo with on-machine measurement

Ultra-Precision Machining of Off-Axis Convex Ellipsoidal Surface Using Two Different Accurate Spiral Tool Paths

Two tool path generation methods for ultra-precision machining of off-axis convex ellipsoidal surface

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