• Mahesh P. Mestry
• Kashinath H. Munde
• Ashish Pawar

Threaded fasteners are one of the most common means of joining parts of assemblies to maintain integrity of isolated elements of mechanical structures and machines used in various applications due to their high reliability, strong load bearing capacity, easy maintenance and inspection and its capability of being mantled and dismantled using simple tools at low cost. Mounting of a bolted joint usually consists of application of relative rotation between screw and nut until installation of desired preload. Bolted structures in their service life, subjected to transverse and impact loads which may result in reduction in preload on bolted joint which causes periodic retightening of threaded fasteners and high maintenance cost. The objective of this study is to identify different parameters such as excitation amplitudes, material of threaded fasteners, bolt preload, configuration of joint & structure, anti-loosening components contributing to the loosening of bolts due to low impact loading and feasibility of composite fasteners. As non-linear behaviour of bolted structure as well as numerical models has a high computational time & cost, Experimental & Finite Element approach is adopted.

Ansys 15.0, Bolted Connections, FEA, Lap joints

"Pre-Stressed Modal Analysis of Composite Bolted Structure", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.557-567, July-2018, Available :http://www.jetir.org/papers/JETIR1807324.pdf

"Pre-Stressed Modal Analysis of Composite Bolted Structure", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp557-567, July-2018, Available at : http://www.jetir.org/papers/JETIR1807324.pdf