Results 21 to 30 of about 9,250,019 (280)
This paper presents a control system algorithm for a five-axis parallel mechanism system (PMS) CNC milling machine based on a 6-DOF Stewart platform parallel manipulator with a universal-prismatic-spherical (UPS) configuration.
Nur Jamiludin Ramadhan +2 more
doaj +1 more source
Currently, some five-axis CNC machine tools have almost achieved the same advanced level of the western countries in terms of functionality and performance. However, the reliability of system is much lower than similar foreign products.
Pengjia Wang, Hongjun Wang, Xiumei Chen
doaj +1 more source
Some methods to identify geometric deviations of five-axis machining centers have been proposed until now. However, they are not suitable for multi-tasking machine tools because of the different configuration and the mutual motion of the axes. Therefore,
Yan Yao +4 more
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The paper proposes a novel geometric error identification methodology for the tilting head of five-axis machine tools using double ball bar(DBB).Firstly, based on the motion condition of the tilting head of five-axis machine tools, three measurement ...
Fan Jinwei, Wu Changjun, Li Zhongsheng
doaj +1 more source
Improvement in the efficiency of the five-axis machining of aerospace blisks
Blisks are not easily machined because of their complex curved surfaces and the high-precision requirements of surface machining. Lightweight alloy materials with superior mechanical properties, such as titanium alloy and stainless steel, are popular ...
Jeng-Nan Lee +3 more
doaj +1 more source
Design of a five-axis ultra-precision micro-milling machine—UltraMill. Part 1: Holistic design approach, design considerations and specifications [PDF]
High-accuracy three-dimensional miniature components and microstructures are increasingly in demand in the sector of electro-optics, automotive, biotechnology, aerospace and information-technology industries.
Wardle, F +5 more
core +1 more source
A five-axis CNC machining method of orthogonal variable transmission ratio face gear
In order to verify the validity of the design for the orthogonal variable transmission ratio face gear pair, a five-axis CNC machine tool was used to machine this gear.
Chao LIN +4 more
doaj +1 more source
Laser R-Test for Angular Positioning Calibration and Compensation of the Five-Axis Machine Tools
The angular positioning error of the rotary stage causes low quality in milling various angles of a workpiece. This study proposes a solution that could improve these issues by using our Laser R-test for angular positioning calibration and compensation ...
Cao-Sang Tran +2 more
doaj +1 more source
Dual NURBS interpolation has been proven an essential technique for high-speed precision machining of complex surfaces. The solution of rotation angles and their derivatives is the basis of kinematic transformation and feedrate optimization in dual NURBS
Pengpeng Sun +4 more
doaj +1 more source
This paper proposes a novel measuring method which uses double ballbar (DBB) to inspect the kinematic errors of the rotary axes of five-axis machine tool.
Wei Wang, Yi Zhang, Jianguo Yang
doaj +1 more source

