Three-Linear-Axis Grinding of Small Aperture Aspheric Surfaces

A novel approach of three-linear-axis ultra-precision grinding with wheel path generation, tool interference checking and profile compensation is proposed and systematically investigated for fabricating aspheric surfaces. The performance of the proposed techniques is evaluated by grinding an aspheri...

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Bibliographic Details
Published inInternational Journal of Precision Engineering and Manufacturing-Green Technology Vol. 7; no. 5; pp. 997 - 1008
Main Authors Yan, Guangpeng, You, Kaiyuan, Fang, Fengzhou
Format Journal Article
LanguageEnglish
Published Seoul Korean Society for Precision Engineering 01.09.2020
Springer Nature B.V
한국정밀공학회
Subjects
Accuracy
Aperture
Apertures
Compensation
Energy Efficiency
Engineering
Error reduction
Feasibility studies
Grinding wheels
Industrial and Production Engineering
Molds
Optics
Profilometers
Regular Paper
Sustainable Development
Tungsten
Tungsten carbide
기계공학
Tool path
Aspheric
Ultra-precision grinding
Error compensation
Interference
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Summary:A novel approach of three-linear-axis ultra-precision grinding with wheel path generation, tool interference checking and profile compensation is proposed and systematically investigated for fabricating aspheric surfaces. The performance of the proposed techniques is evaluated by grinding an aspheric mould insert on bindless tungsten carbide. The experimental results demonstrate that the profile error can be reduced to 0.1 μm or a lower value in peak to valley (PV) after two compensation cycles. The on-machine measurement results show agreement with the off-machine measurement results when commercially available profilometers are employed. The study confirms the feasibility of the proposed wheel path determination method and the developed profile compensation approach. A mirror surface with roughness less than 8 nm in Sa is achieved.
ISSN:2288-6206
2198-0810
DOI:10.1007/s40684-019-00103-7