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Automotive welding production lines and welding fixture auto body production equipment , its automobile production and manufacturing standards plays a vital role , directly affect automobile production scale , production efficiency and production quality . With the rapid development of China's automobile industry , intense competition in the market to make increasingly rapid upgrading of automotive products , car body design more personalized , the huge demand for automotive welding line , must be designed and suitable for China's national conditions automotive welding line , efforts to improve the design and manufacturing capabilities . Designed welding fixture components standardized database , simplified model of the fixture motion mechanism , focusing on sub-assembly station to the right front wheel cover , welding fixture design and optimization design . In order to reduce the welding line and welding fixture design and manufacturing cycle , reduce the cost of production of welding line , the paper first extensive use in the design of the welding line like standardized processing , part family and parameterized function , UG - based 3D standard parts library . Second, summary and model simplify common motion mechanism of the welding fixture . Finally, a careful analysis of the welding fixture design process were optimized applications optimized design ideas on the base plane of arrangement of the components in the fixture design sketch design, pneumatic mechanism design, fixture assembly and interference checking carried out research on the pneumatic control system design are discussed .
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