Author(s): Aadarsh Deva Suresh, Baselal K, Deepak J Nadackal, Remith N and Dr. Manoj Kumar K

Abstract: Railcar wheels get worn out after its life period and it is necessary to reprofile it to the next lower workable dimension to use it again. For this the Indian Railway transfers damaged wheels for reprofiling to different industries. HMT is one among this; where a heavy-duty CNC reprofiling lathe is used for this purpose. Usually these railcar wheels often get accumulated with grime due to its frequent interaction with the outside environment. The present work focuses on designing a fully automatic system for facilitating the cleaning operation. The cleaning process works-out in for different stages like chlorine wash (First stage, degreaser wash, chlorine wash (Second stage) and air drying. The rail car wheel moves under the action of gravity and this motion is controlled by brakes. Separate storage tanks are provided for the storage of chlorine solution and degreaser. The chlorine wash and degreaser washes are done using pressurized Vee-jet Flat nozzles. The wheel then moves to an air-drying chamber to remove moisture. During the cleaning process, waste water flows through the drainage system provided. Railcar wheel after cleaning can be loaded to the CNC machine for the reprofiling process.

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