Process simulation of power screw failure on fatigue load using autodesk inventor

Abstract

The paper presents the study on the use of simulation software in manufacturing industry. It is perceived as a tool for visualization of an on-going process in fatigue load. The design of this study is to simulate the stress distribution due to the loading of the power screw (or lead screw) fatigue using Autodesk Inventor software simulation version 2018. Power screw used is steel material with a round bar shape. It is called medium carbon steel (S 45 C) with specifications of tensile strength at 48 kg/mm2, creep limit at 29 kg/mm2, hardness range (Hs) of 137 to 197 kg/mm2, chemical elements in a percentage of 0.27 to 0.33, Si of 0.15 to 0.35, Mn of 0.60 to 0.90, P of 0.030 and, S of 0.035. The modeling used in this study is by finite element method analysis, which consist of several steps. The steps involve 3D geometry design based on the existing dimension, importing the CAD (Computer Aided Drawing) of 3D geometry design to finite element software, engineering the data by entering the mechanical properties, meshing which indicate the limit of the geometry of the model into numbers of elements in the properties, determining the fixed position of the central points of the static load and fatigue load given to power screw components application, and determining the coordinate system for the solution. The results shows the mechanical properties of S45C carbon steel power screw. It has a maximum von mises stress of 4.546 MPa with the first principal stress of 4.518 MPa. The third principal stress of the material is 0.538 MPa, the displacement is 0.001602 mm, and safety factor is 15 ul.