Author(s): Harish Kumar, Sehijpal Singh, Pardeep Kumar
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.2 - Issue 3 (March - 2013)
In modern manufacturing practices, it is desired that the final surface produced after many manufacturing operations should have good finish and surface characteristics. But in most of the cases, components produced after manufacturing operations does not have required surface finish and surface characteristics. So, manufacturers have to adopt different methods to obtain the desired surface finish and characteristics. Initially filing, lapping, honing and super finishing was the traditional methods to achieve good surface finish for simple parts. After that polishing and buffing was introduced. For finishing of internal holes and tubes, burnishing was introduced which has given very good results. There is another method called shot blasting or sand blasting which consists of attacking the surface of a material with one of many types of shots. To improve the surface characteristics, a process called shot peening was introduced which was the modification of shot blasting. Presently, it is required that some atomic energy parts, medical instruments and aerospace components need a very precise surface finish. Amongst them, vacuum tubes, wave guides etc. are difficult to finish by conventional finishing methods such as lapping, because of their shapes. For these types of applications where a very close control of surface finish and characteristics are required, a new finishing process called Magnetic Abrasive finishing has been developed. This paper presents recent developments in the field of magnetic abrasive finishing and describes the results obtained by various research scholars based on their experimentation in the field of magnetic abrasive finishing.
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