Precision grinding of optical glass with laser micro-structured coarse-grained diamond wheels

2014 ◽  
Vol 214 (5) ◽  
pp. 1045-1051 ◽  
Author(s):  
Bing Guo ◽  
Qingliang Zhao ◽  
Xiaoyan Fang
Keyword(s):  
Optical Glass ◽  
Coarse Grained ◽  
Precision Grinding

Präzisionsschleifen mit groben Diamantkörnern*/Precision grinding with coarse diamond grains - Application characteristics of coarse-grained diamond grinding wheels

2016 ◽  
Vol 106 (06) ◽  
pp. 387-393
Author(s):  
D. Berger ◽  
M. Althoff ◽  
K. Rickens ◽  
C. Heinzel ◽  
E. Prof. Brinksmeier
Keyword(s):  
Coarse Grained ◽  
Depth Of Cut ◽  
Grinding Wheels ◽  
Precision Grinding ◽  
Diamond Grinding ◽  
Measuring Surface ◽  
Ductile Mode ◽  
Different Depths ◽  
Application Characteristics ◽  
Grinding Kinematics

Der Fachbeitrag beschreibt die Weiterentwicklung von galvanisch einschichtig belegten grobkörnigen Diamantschleifscheiben – auch Engineered Grinding Wheels genannt. Verschiedene sprödharte Werkstoffe wurden anhand von Quer-Umfangs-Planschleifversuchen mit angestellter Probenoberfläche bearbeitet. Anhand der Oberflächenqualität und der Bauteilrandzone wurde anschließend der Einfluss einer variierten Zustellung sowie der Prozesskinematik auf einen duktilen Schleifprozess untersucht.   This study describes the application of coarse-grained diamond grinding wheels with electroplated abrasive single-layers (engineered grinding wheels) for ductile mode grinding of different brittle materials. Grinding experiments were performed in cross grinding kinematics while the workpiece is tilted in order to achieve different depths of cut over the workpiece’s surface. Influence of kinematics and depth of cut are investigated by measuring surface roughness and subsurface damage.

scholarly journals Effect of Stress Wave between Adjacent Asperities Interaction on Subsurface Damage of Optical Glass in Precision Grinding

Materials ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1239
Author(s):  
Chen ◽  
Ren ◽  
Lin
Keyword(s):  
Finite Element ◽  
Optical Glass ◽  
Diamond Particle ◽  
Subsurface Damage ◽  
Propagation Mechanism ◽  
Analysis Model ◽  
Precision Grinding ◽  
Element Analysis ◽  
Analysis Process ◽  
Element Simulation

The interaction between adjacent asperities is a typical characteristic of the grinding process and plays an important role in the material removal mechanism. Therefore, in order to systematically investigate the formation mechanism of the subsurface damage, a precision grinding contact model between the diamond particle and optical glass with adjacent asperities is proposed in our research. The initiation and propagation mechanism of median/lateral cracks under residual stress, the propagation rules of the stress waves on the subsurface, and the interaction between the subsurface damage under stress superposition effect are fully investigated by a theoretical analysis and finite element simulation. The simulation results of the precision grinding model are verified by experiments, which show that the proposed numerical analysis model is reasonable and the finite element analysis process is feasible.

1.6 Precision Grinding, Lapping, Polishing, and Post-Processing of Optical Glass

2017 ◽  
pp. 154-170
Author(s):  
Yaguo Li ◽  
Qinghua Zhang ◽  
Jian Wang ◽  
Qiao Xu ◽  
Hui Ye
Keyword(s):  
Optical Glass ◽  
Post Processing ◽  
Precision Grinding

scholarly journals Influence of servo characteristics on crack generation in ultra-precision grinding of optical glass lenses

Procedia CIRP ◽  
2018 ◽  
Vol 77 ◽  
pp. 130-133
Author(s):  
Takumi Suetomi ◽  
Yasuhiro Kakinuma ◽  
Masahiko Fukuta ◽  
Katsutoshi Tanaka
Keyword(s):  
Optical Glass ◽  
Precision Grinding ◽  
Crack Generation ◽  
Ultra Precision ◽  
Glass Lenses

Precision grinding of BK7 glasses using conditioned coarse-grained diamond wheel

2013 ◽  
Vol 227 (10) ◽  
pp. 1571-1577 ◽  
Author(s):  
Ling L Zhao ◽  
Qing L Zhao ◽  
Guo W Jin ◽  
Xiao J Kang ◽  
Xiao W Xin
Keyword(s):  
Diamond Wheel ◽  
Coarse Grained ◽  
Precision Grinding
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