Micro-machining of optical glasses — A review of diamond-cutting glasses

Liu, X. D.; Lee, L. C.

doi:10.1007/bf02703324

Cited by 35 publications

(19 citation statements)

References 13 publications

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“…It has been shown that if the depth of cut is lower than a certain critical depth, calculated with the undeformed chip thickness theory, ductile streaks could be obtained [5,[9][10][11][12]. For higher depth of cut, different damages can be generated.…”

Section: Introductionmentioning

confidence: 98%

On Material Removal Regimes for the Shaping of Glass Edges: Force Analysis, Surface Topography and Damage Mechanisms

2008

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Section: Introductionmentioning

confidence: 98%

On Material Removal Regimes for the Shaping of Glass Edges: Force Analysis, Surface Topography and Damage Mechanisms

2008

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“…A wide range of applications have shown that UVA machining is more effective compared with its conventional process, reflected by, e.g., lower machining forces, higher machining stability, less tool wear and better surface finish. UVA machining is particularly advantageous in the surfacing of difficult-to-cut materials [1][2][3][4][5][6][7][8][9][10][11][12][13]. As the mechanisms of the UVA processes (e.g., cutting, drilling and milling) can be better elucidated by the UVA cutting, our discussion in this paper will focus on the UVA cutting unless otherwise required.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic vibration-assisted machining: principle, design and application

Zhang

2015

Adv. Manuf.

140

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Ultrasonic vibration-assisted (UVA) machining is a process which makes use of a micro-scale high frequency vibration applied to a cutting tool to improve the material removal effectiveness. Its principle is to make the tool-workpiece interaction a microscopically non-monotonic process to facilitate chip separation and to reduce machining forces. It can also reduce the deformation zone in a workpiece under machining, thereby improving the surface integrity of a component machined. There are several types of UVA machining processes, differentiated by the directions of the vibrations introduced relative to the cutting direction. Applications of UVA machining to a wide range of workpiece materials have shown that the process can considerably improve machining performance. This paper aims to provide a comprehensive discussion and review about some key aspects of UVA machining such as cutting kinematics and dynamics, effect of workpiece materials and wear of cutting tools, involving a wide range of workpiece materials including metal alloys, ceramics, amorphous and composite materials. Some aspects for further investigation are also outlined at the end.

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“…SPDT was a chosen as the material removal method in this study as it offers better accuracy, quicker fabrication time and lower cost when compared to grinding and polishing (Fang et al, 2003). The high demand in optical and electronic industry has been consistently pushing=breaking the barriers in various nanotechnology areas such as SPDT.…”

Section: Resultsmentioning

confidence: 99%

Ductile Regime Single Point Diamond Turning of Quartz Resulting in an Improved and Damage-Free Surface

Ravindra¹,

Patten²

2011

Machining Science and Technology

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& Quartz (fused silica) is one of the advanced engineered ceramic materials designed to operate in extreme environments. The mechanics of material removal in glass (Quartz) can be classified into two categories; brittle fracture and ductile plastic deformation. Good optical quality surfaces can be achieved by removing the material in a ductile manner. The strength, hardness and fracture toughness of the workpiece material are the governing factors that control the extent of brittle fracture. The main goal of the subject research is to improve the surface quality of Quartz to be used as an optic device (mirrors and windows) via single point diamond turning (SPDT). Sub-surface damage analysis was carried out on the machined sample using Scanning Acoustic Microscopy (SAcM). Surface roughness (R a ) values of less than 45 nm without sub surface damage were obtained. Tool wear was also investigated.

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Micro-machining of optical glasses — A review of diamond-cutting glasses

Cited by 35 publications

References 13 publications

On Material Removal Regimes for the Shaping of Glass Edges: Force Analysis, Surface Topography and Damage Mechanisms

On Material Removal Regimes for the Shaping of Glass Edges: Force Analysis, Surface Topography and Damage Mechanisms

Ultrasonic vibration-assisted machining: principle, design and application

Ductile Regime Single Point Diamond Turning of Quartz Resulting in an Improved and Damage-Free Surface

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