Modeling of Surface Finish and MRR in Low Cost Internal Grinding

Kishore, K.; Satyanarayana, V. V.; Krishna, P. V. Gopal; Kumar, G. Kiran
July 2011
International Review of Mechanical Engineering;Jul2011, Vol. 5 Issue 5, p893
Academic Journal
A Grinding machine is a machine tool used for finish machining process by employing an abrasive wheel as the cutting tool. Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece due to shear deformation. Grinding machines remove material from the work piece by abrasion, this results in substantial amount of heat generation. It is important to use a coolant to cool the workpiece so that it does not overheat and go outside its tolerance. Internal grinding is used to grind the internal diameter of the workpiece. Tapered holes can be ground with the use of internal grinders that can swivel on the horizontal. The present work focus on internal grinding process by a retrofitted grinding wheel attachment on a lathe leading to construction of models for surface finish and MRR. Experiments are conducted using Taguchi orthogonal array and the results are obtained. This setup is observed to be useful for small industries and the finish is comparable with original internal grinding processes.


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