[Tiwari et al., 3(8): August, 2014] ISSN: 2277-9655 Scientific Journal Impact Factor: 3.449 (ISRA), Impact Factor: 1.852 http: // www.ijesrt.com (C)International Journal of Engineering Sciences & Research Technology [247] IJESRT INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY Analyze the Transmissibility of Various Materials Using Vibration Analysis Dr. Ashesh Tiwari & Amit Chandsarkar* Head & Professor, Department of Mechanical Engineering, Institute of Engineering & Technology, Devi Ahilya University, Indore, Madhya Pradesh, India * Student, Department of Mechanical Engineering (Design & Thermal Engineering), Institute of Engineering & Technology, Devi Ahilya University, Indore, Madhya Pradesh, India amit_chandsarkar@yahoo.com Abstract Vibration is a to and fro motion of a body about its mean position. It is desirable or undesirable, it depends on our work, but necessarily produce during operation of any machine. To minimize vibration level, isolators are equipped for getting minimum transmissibility. This paper deals with the comparison and analysis of various materials for vibration isolation. Transmissibility and properties on different materials gives idea about getting maximum vibration isolation values of Transmissibility have been taken for different materials (Aluminium, Mild Steel, Cast Iron, Marble, Rubber, Wood, Nylon, and Cork) & analysis has been done to get a better vibration isolation. Keywords: Vibration apparatus, samples of materials, Vibration meter (Digital). Introduction The isolation of machinery to prevent the transmission of vibration and noise has become one of the important phases of modern building engineering. Lightweight construction and locating mechanical equipment on upper floors, adjacent to quiet areas, increases the requirement for vibration control. The use of isolation is primarily for reducing the effect of the dynamic forces generated by moving parts in a machine into the surrounding structure. The purpose of vibration isolation is to control unwanted vibration so that its adverse effects are kept within acceptable limits. Vibrations originating from machines or other sources are transmitted to a support structure such as a facility floor, causing a detrimental environment and unwanted levels of vibration. If the equipment requiring isolation is the source of unwanted vibration, the purpose of isolation is to reduce the vibration transmitted from the source to the support structure. Conversely, if the equipment requiring isolation is a recipient of unwanted vibration, the purpose of isolation is to reduce the vibration transmitted from the support structure to the recipient. An isolator is a resilient support, which decouples an object from steady state or forced vibration. To reduce the transmitted vibration, isolators in the form of springs are used. Common springs used are pneumatic, steel coil, rubber (elastomeric) and other pad materials. [1] Literature review J.M. Krodkiewski, [1], if the equipment requiring isolation is the source of unwanted vibration, the purpose of isolation is to reduce the vibration transmitted from the source to the support structure. Conversely, if the equipment requiring isolation is a recipient of unwanted vibration, the purpose of isolation is to reduce the vibration transmitted from the support structure to the recipient. An isolator is a resilient support, which decouples an object from steady state or forced vibration. To reduce the transmitted vibration, isolators in the form of springs are used. Common springs used are pneumatic, steel coil, rubber and other pad materials. Natural frequency and damping are the basic properties of an isolator, which determine the transmissibility of a system designed to provide vibration and/or shock isolation. Additionally, other important factors must be considered in the selection of an isolator/isolation material. Vibration isolation A.G. Ambekar [2], Machines which transmit substantial static or dynamic forces through their pedestal, are required to be installed on foundation. Attempts are made to reduce out of balance force in a machine has to installed in structure where vibration is undesirable. For instance, A.C. motor may be installed in a hospital or a hotel in connection with elevators. Similarly, an I.C. engine, which is inherently source of