Dynamic model for bound abrasive grinding and its application

Toshio Takahashi; Paul D. Funkenbusch

doi:10.1117/12.295128

1 November 1997 Dynamic model for bound abrasive grinding and its application

Toshio Takahashi, Paul D. Funkenbusch

Proceedings Volume 3134, Optical Manufacturing and Testing II; (1997) https://doi.org/10.1117/12.295128
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Bound abrasive grinding of optical materials with CNC machining equipment can achieve precise control over product configuration. For some materials and grinding geometries, however, there can be cases in which machine deflection is significant and this impacts the shape of the optical parts produced. This machine stiffness issue is associated with the relationship between the material removal rate an the applied normal load, as well as the tool deterioration process. A dynamic model to aid in keeping the process fully deterministic is presented. The validity of this model is discussed according to data collected from plano grinding of BK7 and sapphire with diamond cup tool with wide range of process parameters such as abrasive's grit size, workpiece size, infeed rate, tool dimension, and the level of glazing of the tools. Modifications and application of the model to an sphere grinding geometry is also presented.

Citation Download Citation

Toshio Takahashi and Paul D. Funkenbusch "Dynamic model for bound abrasive grinding and its application", Proc. SPIE 3134, Optical Manufacturing and Testing II, (1 November 1997); https://doi.org/10.1117/12.295128

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