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Design and Simulation of Welding Line Gig of Car’s Rear Floor Based on Catia

Author: ZhangChunYan
Tutor: QiWenJun
School: Xinjiang University
Course: Materials Processing Engineering
Keywords: Welding fixture Welding line The rear floor of the car body Spot welding robot simulation CATIA
CLC: U468.22
Type: Master's thesis
Year: 2009
Downloads: 86
Quote: 0
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Abstract


In this paper, the important part of the car body welding fixture in - floor welding fixture design , car body design of the production line , and spot welding robot welding trajectory simulation . The full text first introduces the characteristics of the car body welding line fixture design requirements , which is the basis of the car body welding line fixture design ; then according to the requirements of the welding , the most commonly used spot welding of the body welding technology details , such as laser welding technology are briefly described . The focus is on the floor after the design and analysis of 3D fixture . The specific design process is: First , based on the member to be welders characteristics , to determine the two designs , and evaluated , in particular, structural analysis is carried out on the actual program focus ; then analog designed jig for each unit and check interference , and introduced the principle of the setting of the welding tongs . The entire fixture 3D design process embodies flexible welding production Thought . Once again, the combination of the specific circumstances of the workshop , plan after floor welding bus , design. Finally , the completion of a two-dimensional mapping of the three-dimensional fixture , including the reference mapping and component dimensioning . , 2D dimensioning part not only details the dimensions , tolerancing of principles and methods , given the technological requirements of production and processing , and specific examples to verify . Used the welding fixture design method can also be used in other parts of the car body fixture design has some versatility . The concrete simulation rear floor welding spot welding robot trajectory analysis section : DELMIA software to simulate the welding robot welding path planning to determine the robot model , the number of units and welding tongs reachability , eventually hope to generate welding trajectory code will generate code incoming welding robot control system , so that the welding robot in accordance with the simulated track running to reduce the time of debugging . Floor left rear side of the beam in the study design robots welding cars 31 sub-assembly solder joint motion path using DELMIA design and run to prove the reasonableness of the path .

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CLC: > Transportation > Road transport > Automotive Engineering > Automobile factory > Factory equipment and installation > Production mechanization and automation
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