A hybrid prediction method of thermal extension error for boring machine based on pca and ls-svmThermal extension error of boring bar in z-axis is one of the key factors that have a bad influence on the machining accuracy of boring machine, so how to exactly establish the relationship between the thermal extension length and temperature and predict the changing rule of thermal error are the premise...
Research on the dynamic characteristics of nc boring machine spindle system based on finite element analysis... Dynamic characteristics of NC boring machine spindle system dedicated to the manufacturing of bearing retainer were studied based on finite element analysis software....
Research on hard rock tunnel boring machine based on digital mockup... A digital mockup of hard rock tunnel boring machine was built in order to study the design method of these large equipments....
The summary of tunnel boring machine control based on the neural network... Conventional control of tunnel boring machine can't achieve the ideal effect because of the complexity of its work process, uncertainty of construction environment....
