Abstract
With the development of modern industry, manipulator gradually replaces manual operation. In the process of grasping, moving and placing the workpiece, the manipulator needs to have high accuracy, and the movement track cannot be changed due to the force deformation. Rigidity refers to the deformation, that is, the main stressed parts of the manipulator should have good rigidity, and the deformation should be as small as possible to ensure the accuracy of the motion track. In this paper, the main arm and the auxiliary arm of the manipulator are analyzed by finite element statics. The results show that the displacement and the equivalent stress meet the requirements.
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