Design of Robust Grinding Wheel Reciprocating Arrangement for Precision Point-Grinding Machining

Da Ping Wan; De Jin Hu; Li Ming Xu; Hai Feng Wang; X.D. Yao

doi:10.4028/www.scientific.net/KEM.329.347

Paper Titles

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Three-Dimensional Simulation of Liquid-Solid Two-Phase Flow Inside the Abrasive Water Jet Nozzle
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Surface Characteristics of Ceramics Milled with Abrasive Waterjet Technology
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Fusion Identification for Wear Particles Based on Dempster-Shafter Evidential Reasoning and Back-Propagation Neural Network
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Design of Robust Grinding Wheel Reciprocating Arrangement for Precision Point-Grinding Machining
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Improvement of Surface Texture of Stainless Steel by Utilizing Dry Blasting - 3rd Report: Effect of Blasted Texture on Adhesion of Plating -
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Experimental Investigations of Silicon Wafer Grinding
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Microstructural Analysis for Si Wafer after CMG Process
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Study on Structure Transformation of Si Wafer in Grinding Process
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Design of Robust Grinding Wheel Reciprocating Arrangement for Precision Point-Grinding Machining

Abstract:

This research is to investigate the dynamic characteristics of the grinding process. A kind of robust grinding wheel reciprocating arrangement is schemed out, which realizes the precise point-grinding machining. The grinding wheel reciprocating movement is driven by a linear motor to replace the traditional crank or hydraulic pressure drive device. Based on the time series method, the modal experimental analysis technique has been adopted in this paper. By acquiring acceleration signals of multiple positions of the grinding wheel slide, the dynamic characteristics are analyzed and the modal parameters of the structure are identified by virtual analysis program. The boundary condition of the finite element model is adjusted for optimizing its dynamic characteristic. The equivalent substructure is created and modified in order to improve the surface grinding quality. This study has got satisfying results. The grinding wheel movement realizes the self-regulation control and reduces the surface waviness and roughness during high speed point-grinding operation.