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Research on Load Characteristics of Stiffness Tester for Auto Body Panels

Author: YangJiangHai
Tutor: XingZhongWen
School: Harbin Institute of Technology
Course: Mechanical Manufacturing and Automation
Keywords: Auto cover Stiffness tester Load characteristics Numerical Simulation
CLC: U467.4
Type: Master's thesis
Year: 2010
Downloads: 42
Quote: 0
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Abstract


Modern industry , car cover stiffness measurement gradually been more and more attention . Stiffness is reflected car elastomer cover key technical parameters , its size will directly affect the performance of the cover thereby affecting the quality , safety of the car , its technical performance can be judged by measuring the stiffness of the car cover . The automotive panel stiffness tester stiffness directly determine the accuracy of the test on the stiffness of the cover , so the load characteristic analysis is essential , stiffness tester . First, the analysis of the auto cover stiffness test principle and stiffness tester system composed of portable and stationary stiffness tester mechanical structure , the design parameters of the working principle and the difference in the mechanical structure and the range of applications to establish stiffness tester load characteristic simulation analysis model . Secondly, the use of finite element software ANSYS numerical simulation analysis of the strength and stiffness of the geometric models of portable and stationary stiffness meter ; portable and stationary stiffness meter indenter displacement - work load relationship by applying a load within the measuring range curve , to determine the influence of stiffness meter work load changes on the displacement of the indenter . Finally , the application of portable stiffness tester auto cover stiffness measurement test and verify the elastic range , and the selection of the initial point as well as the evaluation of stiffness K of the rationality and feasibility of the method . Test data analysis to determine the proportion of stiffness meter accuracy in measurement accuracy and to provide the basis for the the auto cover stiffness measurement data processing and the stiffness finalized .

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CLC: > Transportation > Road transport > Automotive Engineering > Vehicle test > Parameters of the instruments and technology
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