Researh Paper on Use of Material D3 for Developing Spindle and Determining the Life of Spindle

Authors : Sameer S Pawar

Volume/Issue : Volume 4 - 2019, Issue 11 - November

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The spindle used here is mainly used in high rpm operations and where heat is produced immensely. The speed of about 2800-5600 rpm induces heat and the to and fro motion of the spindle causes its walls to brush against the cage bearing balls surfaces which are mainly made up of carbide. Due to this the problem of indentation arises after a considerable time period on materials which are used in developing the spindle. This spindle problem came to attention after observing ball bearing indentations on the spindle surfaces which became visible as the time progressed. The original spindle costs very high as it is imported, so it was decided to develop a spindle in house. This indented spindle can be brought into use again by another method which is hard chrome plating, but the life of this spindle is not as much as the original one and have to be reground and re-chrome plated till the spindle can suffice. Thus the study made observations that the original spindle after indentation is not suitable for use and cause disruption in process parameters and the actual production process is hampered. The study was made by visualization and hand feeling of the indentation, the decision of new spindle developed in house resulted into a far greater efficiency of the spindle and costs much less than the original one and gave better reliability and durability than the chrome plated spindle.


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31 - May - 2022

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