Research on High Precision Capacitor Assembly System Based on Machine Vision Guidance
Aiming at the problems of low positioning accuracy and low assembly efficiency in capacitance assembly system with multiple quantities and different position arrangements,this paper proposed a high precision capacitance assembly system based on machine vision guidance.Firstly,the twelve-point calibra-tion method is used to determine the conversion relationship between coordinate systems.Secondly,an im-proved location algorithm based on blob analysis is proposed to determine the center location of the resist-ance vessel.Finally,offset compensation is introduced to guide the robot to complete the assembly of each corresponding position.The experimental results show that the average assembly error of the assembly sys-tem proposed in this paper is 0.05 mm,and the assembly accuracy reaches 99.8%.The actual assembly er-ror requirement is less than 0.1 mm,which meets the actual production demand and effectively improves the production and assembly efficiency.
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