Trends in Machine design

Thermal Analysis and Computer Aided Exhaust Valve Design Automation Using CREO and Microsoft Excel Spreadsheet

  1. Siraj Chabru
  2. P. S. Kulkarni

Abstract

3D modeling has widely been used because of their ease in visualization, understanding andgeneration of manufacturing drawing sheets compared to 2D drafting. 3D Modeling is the timeconsumingprocess and many draftsmen does not have the skill to draw a 3D object inside a CADpackages. Internal combustion engine consists of two type of valves inlet valve and exhaust valve. Thepair of inlet and exhaust valve is called as poppet valves. Exhaust valve is the mechanical objectreputedly required nearly in all internal combustion engines. In this paper we are automate theexhaust valve design by creating graphical user tool using visual basic programming language insidethe Microsoft excel spreadsheet. This excel spreadsheet is later integrated to CREO database forautomatic 3D valve Modeling. Exhaust valve is the nose of the internal combustion engine to eject theexhaust gases out form the engine at a time of exhaust stroke. It is continuously come under the hightemperature and pressure. Steady state thermal analysis has been carried out using FEA. Todemonstrate our study, we are considered to design and analysis the exhaust valve for Honda CBTwister 110cc having chamfer angle of 45 degrees. For the 3D modeling we use CREO and ANSYS18.0 is used for FEA analysis.

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