Study on the Static and Dynamic Characteristics of Linear Rolling Guideway

2014 ◽  
Vol 490-491 ◽  
pp. 342-346
Author(s):  
Yao Man Zhang ◽  
Guang Xiao Yang ◽  
Ren Jun Gu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Static Characteristic ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
Dynamic Finite Element Analysis ◽  
Calculation Results ◽  
Nc Machine ◽  
Rolling Guide ◽  
Analysis Models

Linear rolling guides are widely used in the NC machine tool, and usually the NC machine tool's characteristics shall been influenced by the characteristics of the guide greatly. The HSR series of liner rolling guides are taken as the research object of the paper. The methods of constructing the dynamic finite element analysis models are studied. The contact element is applied to simulate the characteristics of junction surfaces during the static characteristic analysis. The spring damping element is applied during the dynamic characteristic analysis. The static stiffness, natural frequencies, modal shapes and other characteristics are obtained by finite element analysis. Then the experiments of linear rolling guide are carried out and verified the model that had been built and calculation results of finite element analysis.

Modeling and Calculation of Dynamic Performances of NC Machine Tool Considering Linear Rolling Guideway

2009 ◽  
Vol 16-19 ◽  
pp. 510-514 ◽  
Author(s):  
Yao Man Zhang ◽  
Zhi Kun Xie ◽  
Yong Xian Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Machine Tool ◽  
Static Characteristic ◽  
Element Analysis ◽  
Nc Machine Tool ◽  
The Finite Element Analysis ◽  
Nc Machine ◽  
Dynamic Performances ◽  
Analysis Models

The linear rolling guideway is one of the most essential parts of the machine tool. So it is very important to analyze the dynamic-static characteristic of the machine tool consider rolling guideway and to study the effect on machinery function. The paper’s research is based on a NC machine tool produced by a certain plant of machine tools. Methods of simulating the rolling guideway support are studied, and the configuration of the spring damper elements of the bearing supports are also studied, and the finite element analysis on the CKS6125 machine tool has been made to confirm its dynamic characteristics. Then the finite element analysis models are validated by some experiments.

Dynamic Performance Analysis of a Machine Tool Considering Linear Rolling Guideway

2010 ◽  
Vol 37-38 ◽  
pp. 378-381 ◽  
Author(s):  
Yao Man Zhang ◽  
Zhi Kun Xie ◽  
Qi Wei Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Machine Tool ◽  
Dynamic Performance ◽  
Static Characteristic ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Nc Machine ◽  
Analysis Models ◽  
Dynamic Performance Analysis

The linear rolling guideway is one of the most essential parts of the machine tool. So it is very important to analyze the dynamic-static characteristic of the machine tool by considering rolling guideway for the study of the effect on machinery function. The research is based on a NC machine tool produced by a certain plant of machine tools. In this study, methods of simulating the rolling guideway support were studied; and the configuration of the spring damper elements of the bearing supports were investigated. The finite element analysis on the CKS6125 machine tool was used to confirm its dynamic characteristics. The finite element analysis models were validated by some experiments.

Finite Element Analysis of the Shock Absorber for Vehicle

2013 ◽  
Vol 706-708 ◽  
pp. 1361-1364
Author(s):  
Chao Fu Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Elastic Modulus ◽  
Internal Pressure ◽  
Shock Absorber ◽  
Structural Features ◽  
Static Characteristic ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
The Finite Element Analysis

As for the structural features and the characteristics of fiber-reinforced rubber of a shock absorber for vehicle, this paper mainly focuses on its deformation and static characteristic analysis. A shock absorber whose type is JW2-5202 was analyzed in its performance characteristics of deformation with variations in cord elastic modulus and cord angle. According to the finite element analysis on the load vs. the displacement, and the internal pressure vs. the displacement, the results are in accordance with the test ones.

Dynamic Analysis and Experiment Validation of Linear Motion Guide Having Rolling Elements for NC Machine Tool

2010 ◽  
Vol 139-141 ◽  
pp. 996-1000
Author(s):  
Yao Man Zhang ◽  
Zhi Kun Xie ◽  
Qi Wei Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Machine Tool ◽  
Static Characteristic ◽  
Linear Motion ◽  
Element Analysis ◽  
Nc Machine Tool ◽  
The Finite Element Analysis ◽  
Nc Machine ◽  
Linear Motion Guide

To design a machine tool successfully, its essential parts should be analyzed and evaluated during the process of design. The liner motion guide is one of the most essential parts of the machine tool. So it is very important to analyze the dynamic-static characteristic of the machine tool consider linear motion guide and to study the effect on machinery function. The paper’s research is based on a NC machine tool produced by a certain plant of machine tools. Methods of simulating the linear rolling guide support are studied, and the configuration of the spring damper elements of the bearing supports are also studied, and the finite element analysis on the CKS6125 machine tool has been made to confirm its dynamic characteristics. Then the finite element analysis models are validated by some experiments.

The Helmet Reverse Forming and Static Characteristic Analysis

2013 ◽  
Vol 712-715 ◽  
pp. 1145-1148
Author(s):  
Shi Gang Wang ◽  
Guan Xiong Wu ◽  
Chao Cui ◽  
Xi Bing Li
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reverse Engineering ◽  
Laser Scanner ◽  
Static Characteristic ◽  
Deformation Analysis ◽  
Test Problems ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
Cloud Data

In order to solve irregular product surface quality is difficult to test problems, this paper combined reverse engineering with finite element analysis related technologies, good results have been achieved. Selected the helmet as the research object, introduced the reverse engineering and finite element analysis of the basic methods and ideas. First through the 3D laser scanner for safety helmet surface point cloud data, the data conducted the pretreatment in the Imageware software, and then in UG finished surface reconstruction and materialization process, finally guided the reverse forming helmet entity into Ansys Workbench software to carry on the finite element analysis, through the generation of stress and deformation analysis nephogram to test the sample quality.

Characteristic Analysis and Optimization for the Tailstock Body of the NC Lathe

2014 ◽  
Vol 1037 ◽  
pp. 41-44
Author(s):  
Mo Wu Lu ◽  
Ming Jie Li
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Topology Optimization ◽  
Machine Tools ◽  
Great Influence ◽  
Machining Accuracy ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
Nc Machine ◽  
Nc Machine Tools

The characteristics of the NC Lathe tailstock has great influence on the machining accuracy of NC machine tools. Solidworks software is used to establish the tailstock body entity model, then import it into the Workbench software for finite element analysis and conclude its dynamic and statics characteristics. According to the result of the analysis on the topology optimization. Guarantee after optimization, the tailstock body not only can satisfy the requirement of machine tool, the quality can also be reduced by 5%. In saving material at the same time also can reduce the motion inertia, improve the machining accuracy.Keywords: tailstock body; statics analysis; modal analysis; topology optimization; Workbench;

Dynamic Characteristic Analysis and Validation of Spindle Assembly of NC Machine Tool

2009 ◽  
Vol 626-627 ◽  
pp. 447-452 ◽  
Author(s):  
Yao Man Zhang ◽  
S.H. Wang ◽  
Yong Xian Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Machine Tool ◽  
Dynamic Characteristics ◽  
Spindle Assembly ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
Nc Machine Tool ◽  
The Finite Element Analysis ◽  
Nc Machine

One of the important factors resulting in the performances of the machinery is its dynamic characteristics. The spindle assembly is one of the usual parts of NC machine tool, so its dynamic-static characteristics will affect the performances of machine tool. The study is based on a NC machine tool produced by a certain plant of machine tools. The finite element dynamic analysis model of spindle assembly was developed by introducing two or three groups of circumferential spring damper elements which are arrange at different angle around the spindle, and the effect of different supporting conditions and different arrange angle on the modal analysis of the spindle assembly were discussed. The finite element analysis on spindle and spindle assembly has been made to confirm its dynamic characteristics. Then the finite element analysis models are validated by some experiments.

Finite Element Analysis and Optimization of Long-Span Gantry NC Machining Center Structure

2011 ◽  
Vol 346 ◽  
pp. 379-384
Author(s):  
Shu Bo Xu ◽  
Yang Xi ◽  
Cai Nian Jing ◽  
Ke Ke Sun
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Design Method ◽  
Dynamic Performance ◽  
Plate Thickness ◽  
Element Model ◽  
Wall Structure ◽  
Characteristic Analysis ◽  
Element Analysis ◽  
Dynamic Performance Analysis

The use of finite element theory and modal analysis theory, the structure of the machine static and dynamic performance analysis and prediction using optimal design method for optimization, the new machine to improve job performance, improve processing accuracy, shorten the development cycle and enhance the competitiveness of products is very important. Selected for three-dimensional CAD modeling software-UG NX4.0 and finite element analysis software-ANSYS to set up the structure of the beam finite element model, and then post on the overall structure of the static and dynamic characteristic analysis, on the basis of optimized static and dynamic performance is more superior double wall structure of the beam. And by changing the wall thickness and the thickness of the inner wall, as well as the reinforcement plate thickness overall sensitivity analysis shows that changes in these three parameters on the dynamic characteristics of post impact. Application of topology optimization methods, determine the optimal structure of the beam ultimately.

Finite Element Analysis of Tianerya Trench-Buried Inverted Siphon

2013 ◽  
Vol 804 ◽  
pp. 320-324
Author(s):  
Xiang Zan Xie
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Finite Element Calculation ◽  
Construction Process ◽  
Element Calculation ◽  
Element Analysis ◽  
Operational Process ◽  
Inverted Siphon ◽  
Calculation Results ◽  
Calculation Software

This paper adopts universal finite element calculation software to carry out finite element analysis for Tianerya trench-buried inverted siphon. Researching variation law of the inverted siphons stress and displacement in construction process and operational process. The calculation results further shown design schemes rationality and safety. The analysis results provide a certain reference for design of trench-buried inverted siphon structure.

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