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Stress Analysis for Drive Axle Housing of DA485 in Heavy Truck

Author: MaChangXuan
Tutor: JiaXiuJie
School: Shandong University
Course: Mechanical Manufacturing and Automation
Keywords: Drive Axle Housing Finite Element Stress Analysis Improvement measures
CLC: U463.218
Type: Master's thesis
Year: 2008
Downloads: 286
Quote: 7
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Abstract


With the rapid development of China's national economy , the auto industry has entered a new era of greatly increased demand for heavy-duty trucks , increasingly high performance requirements for heavy-duty vehicles , which makes the drive axle housing design calculation methods have been unable to meet the requirements of modern automotive design . The upgrading of the computer and the rapid development of the finite element method for the calculation of the structural design and performance analysis of drive axle housing has brought a new spring . Key components to maintain the safe operation of the vehicle due to the drive axle housing is an important car carrying parts and transmission parts , performance and fatigue life of the axle housing directly affect the effective life of the car . Thus, the drive axle housing should have sufficient strength, stiffness and excellent fatigue endurance characteristics . Reasonably designed to drive the axle housing is also an important measure to improve vehicle safety and comfort . Papers using PRO / E modeling software to establish a the DA485 drive axle housing three-dimensional model . ABAQUS finite element platform , according to the standard of the national drive axle housing bench test , the computer DA485 drive axle housing , finite element analysis, including static analysis , bench simulation , stress analysis . Static finite element analysis results show that the compliance requirements DA485 perpendicular to the axle housing static strength and fatigue strength . Then do stress fracture of the axle housing , axle housing stress distribution and stress dangerous point in a typical operating conditions at the same time ; Finally, the results based on the comprehensive integration of various simulation to identify high axle housing stress The fundamental reason is unqualified to lead to fracture of the weld quality . And through analog tentative calculation found to improve processing quality and attention to the head and the shell of the axis welding can effectively improve the type of performance and service life of the axle housing , saving time and development funding for the enterprise .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Transmission > Mechanical transmission > Drive axle
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