Non linear analysis of Robot Gun Support Structure using Equivalent Dynamic Approach
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2015, Vol 5, Issue 4
Abstract
Robot guns are being increasingly employed in automotive manufacturing to replace risky jobs and also to increase productivity. Using a single robot for a single operation proves to be expensive. Hence for cost optimization, multiple guns are mounted on a single robot and multiple operations are performed. Robot Gun structure is an efficient way in which multiple welds can be done simultaneously. However mounting several weld guns on a single structure induces a variety of dynamic loads, especially during movement of the robot arm as it maneuvers to reach the weld locations. The primary idea employed in this paper, is to model those dynamic loads as equivalent G force loads in FEA. This approach will be on the conservative side, and will be saving time and subsequently cost efficient. The approach of the paper is towards creating a standard operating procedure when it comes to analysis of such structures, with emphasis on deploying various technical aspects of FEA such as Non Linear Geometry, Multipoint Constraint Contact Algorithm, Multizone meshing .
Authors and Affiliations
Virkunwar A. K , Addanki Sambasiva Rao , Patil Vinaay
Keywords
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