Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Qiu Shi Han"'
Publikováno v:
Applied Mechanics and Materials. 909:63-68
In this paper, through the construction simulation of the installation and jacking of a large steel grid project, ANSYS software is used to select the corresponding finite element module, and by analyzing the construction models of different modes an
Publikováno v:
Key Engineering Materials. 693:1187-1194
In cam grinding process, the grinding force changes with the change of cam contour, and its change leads to create the error of X-C linkage servo-tracking position, all of the factors reduce the cam the contour accuracy. To improve the accuracy of th
Publikováno v:
DEStech Transactions on Engineering and Technology Research.
An off-line decoupling compensation method for Noncircular Grinding contour error is presented in this paper. The contribution of the axis deviation to the non-circular contour error was analyzed by the projection of the axis deviation to the normal
Publikováno v:
Applied Mechanics and Materials. 620:199-204
In order to obtain higher cam quality, the research on the cam contour error is studied. The cam is machined in the way of X-C biaxial linkage motions. The linear motor drives the grinding wheel mechanism to get the motion of X axis, and the motion o
Publikováno v:
Advanced Materials Research. 819:389-392
The structure of a precision high speed spindle system is described. The shaft and bearing finite element models of the spindle system are constructed by using the Timoshenko beam element and the spring-damper unit. The static mechanical properties o
Publikováno v:
Advanced Materials Research. :1435-1438
The research on the dynamics modeling in theory and experiment for the rolling bearing-motorized spindle system including bearing modeling and spindle-bearing system modeling is reviewed. The main factors influencing the motorized spindle system dyna
Publikováno v:
Advanced Materials Research. 650:476-481
Composite grinding machine for non-circular shaft parts, on the workpiece servo spindle high requirements.In order to overcome the vector control coordinate calculation of complex, slow response speed and other defects, this paper adopts the direct t
Publikováno v:
Advanced Materials Research. :1103-1107
In order to improve accuracy of measuring motor speed in precision motor control systems, a method of precise measurement of speed with CPLD is proposed, which measures the truncated parts of the measured pulse on the basis of measuring raster count
Publikováno v:
Advanced Materials Research. :2930-2935
With the development of auto industry, the cam quality requirements higher and higher. In order to illustrate the effect of servo lag upon cam Contour error, X-C servo axis Trajectory coordinates have been acquired in real-time with dual-channel mode
Publikováno v:
Advanced Materials Research. :437-441
The double channel function of Siemens 840d numerical control system collected the input data needed by BP neural network model. Combined with detection lift error in actual process of machining CAM, the detecting lift error is predicted with using o