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CASE STUDY
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Finite Element Analysis to Locate & Analyse Fracture in a Universal Joint Case Study Highlights The Solution:
The Client Industry
: Agriculture Purpose Vehicle Manufacturer
Location
: Asia
The Objective: Predicting fracture locations in universal joint and modifying design accordingly using FEA. The Solution: A CAD model for simulation was developed and boundary conditions in the form of loads were applied to the universal joint model. The analysis revealed regions with critical stresses, predicting the possibility of fracture. Design modification was suggested based on analysis results to overcome fracture issue, which was confirmed with subsequent structural analysis.
An assembly of the parts was created using Pro/E & the assembled model was imported to ANSYS for analysis. The analysis was done by using different boundary conditions and selecting the SOLID-92 tetrahedral element. The stress, strain and deformation on the ANSYS model of universal joint were checked for varying loading conditions. The analysis revealed that the maximum stress was occurring at both the yokes of universal joint at the middle span. The beginning location of crack corresponds to the point of highest stress. A modification of the design, by a slight increase in dimension was suggested after analyzing the parameters for different boundary conditions.
The Challenges: ? Developing accurate CAD model for universal joint with
required features to record complete physical behavior during simulation ? Determining and applying suitable boundary conditions
to capture accurate stress strain information ? Suggesting design modifications based on material
knowledge, physics behavior and FEA results
Benefits: ? The finite element analysis revealed the exact location
where the maximum stress and the maximum deformation were occurring in the part. ? The client was able to examine the exact crack
propagation by the point of highest stress. ? The downtime and associated costs in physical tests
and design modifications reduced considerably. One of the leading special purpose vehicle manufacturers approached Hi-Tech to obtain design solution for their existing universal joint model. Due to frequent static fractures in the existing universal joint design, the manufacturer suffered from costly downtime and needed corrective measures to prevent fracture conditions. They also needed our engineering team to work on design modification part to improve the design.
About Hi-Tech
Author: Gaurang Trivedi
Hi-Tech Outsourcing Services is a specialist firm providing engineering solutions to organizations across the globe. We have extensive experience in providing concept to manufacturing and post-manufacturing solutions to clients with a team of expert design engineers, CAD professionals and simulation analysts. We are based in India and USA, serving 24x6, with a world-class infrastructure, hardware and software capabilities to address complex engineering problems with least turn around time.
Outsourcing Services
Phone: +1-408-338-8047 Email: info@hitechcaddservices.com
Your Trusted Outsourcing Partner
Hi-Tech Outsourcing Services 547 Moreland Way Santa Clara, CA 95054
USA California 547 Moreland Way Santa Clara, CA 95054 Phone: +1-408-338-8047 E-Mail: sales@hitechos.com
New York, NY 50 Riverside Drive, New York, NY 10024 USA E-Mail: info@hitechos.com
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Copyright Š 2015 Hi-Tech Outsourcing Services All Rights Reserved
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