Optimal Design of Special Fixture for Micro High Speed Motorized Spindle

2011 ◽  
Vol 52-54 ◽  
pp. 1320-1325
Author(s):  
Xiao Hong Lu ◽  
Xu Jia ◽  
Zhen Yuan Jia
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
High Speed ◽  
Milling Process ◽  
Micro Milling ◽  
Protective Device ◽  
Analysis Method ◽  
Motorized Spindle ◽  
Element Analysis ◽  
Milling Machines

The fixture of motorized spindle plays a definitive role in clamping stability and working reliability. If designed irrationally, not only will affect the precision of the micro-milling machines, but also cause the spindle drop. Based on the phenomenon that the spindle drops at high-speed in micro-milling process, this paper optimized the existing fixture, designed the supporting protective device, and analyzed their static characteristics utilizing ANSYS finite element analysis software. To guarantee the sufficient strength of bolts on the fixture and the protective device, both the theory analysis method and ANSYS finite element analysis method are used to make the strength check of the selected bolts. The optimization of the fixture for high speed motorized spindle has far-reaching affect on the design of high-speed motorized spindle.

Design of Special Fixture for Micro High Speed Motorized Spindle

2011 ◽  
Vol 228-229 ◽  
pp. 66-71
Author(s):  
Xiao Hong Lu ◽  
Zhen Yuan Jia ◽  
Zhi Cong Zhang ◽  
Xv Jia
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
High Speed ◽  
Micro Milling ◽  
Machining Accuracy ◽  
Milling Machine ◽  
Cnc Milling ◽  
Analysis Method ◽  
Motorized Spindle ◽  
Element Analysis

The fixture of motorized spindle significantly affect the vibration of micro high speed CNC milling machine, its performance can directly affect the machining accuracy of the entire micro milling machine. A special fixture of high-speed motorized spindle is designed in the paper and its static characteristics are checked by utilizing ANSYS finite element analysis software. To guarantee the sufficient strength of bolts and the safety of motorized spindle when the motorized spindle runs at high speed, theory analysis method and ANSYS finite element analysis method are used to make the strength check of the fixture. The designed special fixture for high speed motorized spindle plays an important part in the design of high-speed motorized spindle.

Thermal Characteristics Finite Element Analysis and Temperature Rise Experiment for High Speed Motorized Spindle

2011 ◽  
Vol 52-54 ◽  
pp. 1206-1211 ◽  
Author(s):  
Huai Xing Wen ◽  
Mei Yan Wang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Machine Tool ◽  
Temperature Rise ◽  
High Speed ◽  
Thermal Characteristics ◽  
Analysis Model ◽  
Ansys Software ◽  
Motorized Spindle ◽  
Element Analysis

The thermal characteristics of the motorized spindle determines maching qualities and cutting capabilities, and is one of the important factors influencing the precision of the high speed NC machine tool. To improve the performance of the high speed machine tool, it is important to study the thermal characteristics of the motorized spindle. It had been studied in two ways: one is finite element analysis by Ansys software, in which the finite element analysis model was built. According to the actual working condition, the heat source and the heat transfer coefficient of every part are calculated. On this basis, the temperature field and temperature rises were gotten in Ansys software. The other way is temperature rises experiment on the motorized spindle test platform. The result was shown in the form of curve. These two ways shown the same result: the highest temperature rise appears in the area of electromotor, then followed by the rolling bearing .The result provides the necessary theory basis for optimizing the structure of the motorized spindle and establishes a basis for the research and application about the high speed spindle.

Finite Element Analysis and Dynamics Charateristic Study for High-Speed Magnetic Suspension Motorized Spindle of CNC Machine Tools

2011 ◽  
Vol 317-319 ◽  
pp. 595-599
Author(s):  
Yu Xin Sun ◽  
Ling Ding ◽  
Tao Shi ◽  
Xian Xing Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Induction Motor ◽  
High Speed ◽  
Magnetic Bearing ◽  
Magnetic Suspension ◽  
Distinct Advantage ◽  
Motorized Spindle ◽  
Element Analysis ◽  
Spindle System

According to magnetic suspension motorized spindle system, high speed motorized spindle system based on bearingless induction motor is presented in this paper. The prototype of high speed motorized spindle system with bearingless induction motor is studied and analyzed by using finite element analysis software Ansoft/Maxwell and Riccati transfer matrix method, and compared with high speed motorized spindle system supported by Active Magnetic Bearing (AMB). The results show that high speed motorized spindle system with bearingless induction motor has distinct advantage of simple and compact structure, which is easier to realize high speed and extra-high speed operation.

Study on Milling Process Based on Finite Element Analysis

2012 ◽  
Vol 468-471 ◽  
pp. 1322-1325
Author(s):  
Yong Liang Zhang ◽  
Rui Jie Wang ◽  
Hong Bin Liu ◽  
Mao Hua Du ◽  
Xiao Dong Xu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
High Speed ◽  
Cutting Temperature ◽  
Milling Process ◽  
Cutting Process ◽  
Feed Speed ◽  
Element Analysis ◽  
High Speed Cutting ◽  
Deformation Force

The influence of negative chamfers of PCBN milling cutters on cutting process of high speed cutting is studied based on finite element analysis. The milling speed, axial cutting depth and feed speed are all set fixed, while the negative chamfer angle varies. Cutting tool stress, deformation force, and cutting temperature are obtained for cutting process under different negative chamfering Angle,thus providing basis for the selection of tool parameters in practical production.

scholarly journals Analysis on Design and Manufacturing Technology and Precision Machining Technology of Woodworking Machinery

2021 ◽  
pp. 232-239
Author(s):  
Wang Bing
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
High Speed ◽  
Manufacturing Technology ◽  
Precision Machining ◽  
Static Characteristics ◽  
Motorized Spindle ◽  
Element Analysis ◽  
Wood Processing ◽  
The Finite Element Analysis

High speed machining (HSM) has become a development trend of modern manufacturing industry. It can not only significantly improve the production efficiency of products, but also greatly improve the machining accuracy and surface quality of production parts and reduce the production cost. Wood processing involves many processing processes such as sawing, milling and drilling. The compact four head motorized spindle can basically meet the milling and drilling requirements of wood processing. This paper studies the design, manufacturing technology and precision machining technology of woodworking machinery. This paper mainly adopts the finite element analysis method and applies the finite element analysis software ANSYS Workbench to simulate and model the woodworking four head high-speed motorized spindle, then analyzes and calculates its dynamic and static characteristics, and comprehensively considers the main influencing factors on the dynamic and static characteristics of motorized spindle. The test results show that the method proposed in this paper is of great significance to improve the actual working performance of motorized spindle.

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