Casting Defect Analysis on Caliper Bracket using Mold flow Simulation
- Author S.Selvakumar
- DOI http://wwj
- Country : India
- Subject : Mechanical Engineering
Keywords : Casting defects, Mold flow, Simulation, Caliper Bracket
Abstract
In this work, the computer assisted casting simulation techniques are used to analyze the sand, machine and design related defects in green sand casting. The caliper bracket which is used in car brake drum is selected for the analysis. While manufacturing the caliper bracket the defects like shrinkage, blow holes, mould crush and sand drop are occur in mass production. Here, a 3-step approach is presented to casting defect identification, analysis and rectification. In sand related defects the testing parameters and sand properties are collected and then compare the properties with journals and other standards. In machine related casting defects the machine maintenance is observed and then the changes in the maintenance schedule are made to reduce the brake down time and cost of maintenance. In pattern related, “Autodesk mould flow simulation software” is used to find out the defected area in the pattern and then redesigning of pattern is done to reduce the defects.
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