| This research topic is based on the project of "XXX type CNC labeling machine comprehensive performance optimization" of Chengdu Lechuang Automation Technology Co.Through the analysis of the labeling process and the hardware of the control system,the research aims to find the influencing factors of accuracy and efficiency,establish an easy-to-operate and reliable measurement method for the main influencing factors,and guide the design of the control system of the CNC labeling machine and the summary of the debugging method.The main research contents are described as follows:(1)Analysis of labeling efficiency and labeling accuracy influencing factors.By analyzing the labeling process,the labeling accuracy influencing factors are divided into the vision system part and the actuator part,and the labeling efficiency influencing factors are divided into the mechanical structure part and the control system part,by analyzing the data flow of the control process,the influence of the control system on the efficiency is refined into the image acquisition part,the image processing part and the compensation data transmission part。labeling accuracy and labeling efficiency influencing factors measurement scheme design.In order to quantitatively describe the weight of each factor in the accuracy and efficiency,the measurement scheme for each influencing factor is designed,the measurement scheme for pixel equivalents is improved to ensure that the measurement scheme is easy to implement at the work site.(2)Design and implementation of an optimisation solution for efficiency influencing factors.Based on the measurement scheme,the time share of each influencing factor in the whole processing cycle is calculated,and the main constraints for efficiency improvement are clarified;the hardware wiring for camera-triggered photography is improved,an illumination system to reduce exposure time is designed and implemented,an intelligent camera platform to reduce data transmission delay is designed,and feature matching algorithms are improved to enhance image processing efficiency.(3)Experimental verification.The hardware experimental platform is built based on the designed optimization solution,and the software platform is designed and implemented;the efficiency optimisation scheme is verified in practice according to the actual labelling process,and the mathematical model of the flying beat error is verified with the help of the PSF.As a typical representative of mechatronic products,the quantitative description of the efficiency and accuracy of labelling equipment as well as its enhancement is of great significance to engineering practice.The exploration process in this paper is not only suitable for CNC labelling machines,but can also be extended to CNC equipment with flying shot function such as plug-in machines.The exploration method provides an idea for the optimisation of similar engineering equipment,making the actual optimisation operation more purposeful and directional,and freeing it from the reliance on engineering experience to a certain extent.The experimental results show that the optimisation solution can make the labelling efficiency increase by at least about 25%without loss of accuracy,using the control system optimisation scheme designed by the process. |