On-machine measurement of the grinding wheels’ 3D surface topography using a laser displacement sensor

Yongcheng Pan; Qingliang Zhao; Bing Guo

doi:10.1117/12.2069873

6 August 2014 On-machine measurement of the grinding wheels’ 3D surface topography using a laser displacement sensor

Yongcheng Pan, Qingliang Zhao, Bing Guo

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 92810E (2014) https://doi.org/10.1117/12.2069873
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

A method of non-contact, on-machine measurement of three dimensional surface topography of grinding wheels’ whole surface was developed in this paper, focusing on an electroplated coarse-grained diamond grinding wheel. The measuring system consists of a Keyence laser displacement sensor, a Keyence controller and a NI PCI-6132 data acquisition card. A resolution of 0.1μm in vertical direction and 8μm in horizontal direction could be achieved. After processing the data by LabVIEW and MATLAB, the 3D topography of the grinding wheel’s whole surface could be reconstructed. When comparing the reconstructed 3D topography of the grinding wheel’s marked area to its real topography captured by a high-depth-field optical digital microscope (HDF-ODM) and scanning electron microscope (SEM), they were very similar to each other, proving that this method is accurate and effective. By a subsequent data processing, the topography of every grain could be extracted and then the active grain number, the active grain volume and the active grain’s bearing ration could be calculated. These three parameters could serve as the criterion to evaluate the grinding performance of coarse-grained diamond grinding wheels. Then the performance of the grinding wheel could be evaluated on-machine accurately and quantitatively.

Citation Download Citation

Yongcheng Pan, Qingliang Zhao, and Bing Guo "On-machine measurement of the grinding wheels’ 3D surface topography using a laser displacement sensor", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92810E (6 August 2014); https://doi.org/10.1117/12.2069873

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