The main objective of this paper is to study the loosening tendency of a threaded fastener. To achieve the objective, the threaded fastener loosenessmodel is constructed through the following procedures. Firstly, static and dynamic threaded fastener model The main objective of this paper is to study the loosening tendency of a threaded fastener. To achieve the objective, the threaded fastener loosenessmodel is constructed through the following procedures. Firstly, static and dynamic threaded fastener model
