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Interaction on Subsurface Damage of Optical Glass in ...

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materials Article E ect of Stress Wave between Adjacent Asperities Interaction on Subsurface Damage of Optical Glass in Precision Grinding Weiping Chen 1,2, Zhiying Ren 1,2,* and Youxi Lin 1,2,* 1 College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, China; [email protected]

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Optimal forming principle and grinding .

Finally, the double roller–rail type of grinding and measuring devices for high-grade involute artefacts were designed according to the optimal forming principle of the involute, and a precision grinding experiment on an involute cam (a kind of high-grade involute artefacts) was conducted. The measured results show that the total profile deviation is not more than 0.6 µm and the profile ...

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Experimental study on the characteristic and .

The purpose of this study is to investigate the characteristic and function of oxide film formed on grinding wheel in electrolytic in-process dressing (ELID) precision grinding and improve the quality of ELID grinding.,Dynamic film forming experiments were carried out with a simulation device close to the actual processing conditions. Then, the ELID grinding experiments of bearing rings were ...

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In-process force monitoring for precision grinding ...

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precision grinding (Marsh et al., 1998, 2000; Knapp, 2002). Figure 2 shows the instrumented spindle designed specifically for measuring wafer grinding forces during precision plunge grinding. ... During experiments, the grinding area is generously flooded with an emulsion coolant.

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An Advanced Ultraprecision Face Grinding .

Finally, the experiments of wafer grinding were carried out on an ultra-precision grinder (VG401MKII), and the developed model is verified to be correct by comparing the experiment results and ...

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An adaptive grinding method for precision-cast .

08.06.2020 · Precision-cast blades are core components in aeroengines, and their machining precision has a considerable effect on the performance of the aeroengine. In this paper, an adaptive grinding method for precision-cast blades with geometric deviation is proposed to improve the machining precision, machining efficiency, and automation level of precision-cast blade grinding.

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Experimental study on the characteristic and .

The purpose of this study is to investigate the characteristic and function of oxide film formed on grinding wheel in electrolytic in-process dressing (ELID) precision grinding and improve the quality of ELID grinding.,Dynamic film forming experiments were carried out with a simulation device close to the actual processing conditions. Then, the ELID grinding experiments of bearing rings were ...

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Ultra-precision grinding of transparent AlON .

CONFERENCE PROCEEDINGS Papers Presentations Journals. Advanced Photonics Journal of Applied Remote Sensing

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In-process force monitoring for precision grinding ...

precision wafer grinding. 3 Experimental setup The instrumented air bearing spindle used in these experiments measures axial and tilt forces, but is similar to previous instrumented spindles that sense radial forces in . 434 J.A. Couey, E.R. Marsh, B.R. Knapp and R.R. Vallance precision grinding (Marsh et al., 1998, 2000; Knapp, 2002). Figure 2 shows the instrumented spindle designed ...

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PRECISION GRINDING OF MICRO FRESNEL SHAPE AND

Then the glass lenses were molded. From the grinding experiments, the form accuracy of about 0.1 µmP-V and the surface roughness of about 0.03 µmRy were obtained, and it was clarified that precision grinding and molding of micro fresnel shape could be performed by the newly developed micro grinding system and glass molding method. References [1] H. Suzuki, et al.: Precision Grinding of Micro ...

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Grinding Parameters | Scientific.Net

Abstract: The electrolytic in-process dressing (ELID) grinding technology was adopted for ultra-precision grinding experiments of GCr15 bearing steel. The experiments show that: grinding depth, electrolysis gap and wheel peripheral velocity are the main factors to affect the surface quality. With the electrolysis gap of 0.5mm, the grinding depth of 0.1μm, and the wheel peripheral velocity of ...

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Research on precision grinding processing and .

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1-8-2014 · This paper analyzes dot-line envelope grinding principle, which is applicable to mid-large- aperture square aspheric optical element, determines the mathematical process control model based on X/Y/C three-axis aspheric grinding machine, We develop the appropriate high-precision aspheric grinding manufacturing and measurement systems software, using the plane grinding wheel to do the grinding ...

Author: Fengming Nie, Zhanguo Li, Dasen Wang, Guangping Zhang, Chengjun Guo, Ning Pei, Yupeng LiGet Price

Experimental Researches on Precision Grinding .

Experimental Researches on Precision Grinding of KDP Crystal . Article Preview. Abstract: The KDP (Potassium Dihydrogen Phosphate) crystal, used as an important photoelectron part in the laser nuclear fusion system, is a typical kind of hard-to-machine material because of its soft, brittle, anisotropic property and nano-scale requirement for the shape and plane precision. Based on the ...

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Research on precision grinding processing and .

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Download Citation | Research on precision grinding processing and compensation finishing experiment for mid-large- aperture square aspheric optical element | This paper analyzes dot-line envelope ...

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Grinding Parameters | Scientific.Net

Abstract: The electrolytic in-process dressing (ELID) grinding technology was adopted for ultra-precision grinding experiments of GCr15 bearing steel. The experiments show that: grinding depth, electrolysis gap and wheel peripheral velocity are the main factors to affect the surface quality. With the electrolysis gap of 0.5mm, the grinding depth of 0.1μm, and the wheel peripheral velocity of ...

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micro precision grinding machine

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Fig2 A view of aspherical grinding machine surface Table 1, was clarified that ultra-precision grinding of micro fresnel shape could be performed with a resinoid bonded diamond wheel Then the glass lenses were molded From the grinding experiments, the form accuracy of about 01 µmP-V and the surface roughness of about 003 µmRy were obtained, and it was clarified that precision .

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Optimization of parameters in cylindrical and .

Grinding has been widely used for final machining of components requiring smooth surfaces coupled with precise tolerances. Proper selection of grinding wheel material and grade with grinding parameters can result in an improved surface finish and improved surface characteristics. The present work reports the study of the effect of grinding parameters on surface finish of EN8 steel. Experiments ...

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Ultra-Precision Grinding Process and .

Ultra-Precision Grinding Process and Experimental Research of the New Flotation Cushion. Article Preview. Abstract: A lapping and polishing technology of flotation cushion was studied and some improved equipments were carried out to polish flotation cushion with the structure of variable-section pressure equalizing groove. Main parameters of lapping and polishing (e.g. abrasive disk rotate ...

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Investigation of robotic abrasive belt grinding .

18.06.2020 · The high profile accuracy requirements for new type aircraft engine blades prevent RABG (robotic abrasive belt grinding) from precision machining. To solve this issue, a kind of abrasive belt grinding device with a floating compensation function was designed to reduce machining errors, and a double-vector control method was proposed to optimize the processing trajectory of robotic abrasive ...

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Experimental study on the characteristic and .

The purpose of this study is to investigate the characteristic and function of oxide film formed on grinding wheel in electrolytic in-process dressing (ELID) precision grinding and improve the quality of ELID grinding.,Dynamic film forming experiments were carried out with a simulation device close to the actual processing conditions. Then, the ELID grinding experiments of bearing rings were ...

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Ultra-precision grinding - ScienceDirect

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1-1-2010 · The grinding experiments were carried out on an ultra-precision machine tool which had a loop stiffness of about 135 N/μm. Using their ELID system and metal bonded grinding wheels, glass samples with a surface roughness of Ra = 1–2 nm were ground.

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