scholarly journals DESIGN AND EXPERIMENTAL STUDY OF EQUAL-AREA VARIABLE-PITCH SCREW STRUCTURE FOR WHEAT FLOUR

2021 ◽  
pp. 423-436
Author(s):  
Xuemeng Xu ◽  
Changpu Shen ◽  
Feixiang Li ◽  
Long Wang ◽  
Yongxiang Li
Keyword(s):  
Wheat Flour ◽  
Outer Cylinder ◽  
Three Dimensional ◽  
Optimal Solution ◽  
Cutting Stock ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Variable Pitch ◽  
Acrylic Plate ◽  
Solid Works

The parameters of a wheat flour equal-pitch screw feeder are mainly based on empirical design. A method comparing the effect of the number of blocked zones on the feeding sections is proposed to complete the screw parameter of four feeding sections. According to the designed screw structure, Solid Works was used to build the three-dimensional model, and EDEM software was imported for discrete element analysis. It is found that the optimal solution is the screw design with two blocked zones, in which the cutting stock of the feeding sections is very uniform with high feeding accuracy on the premise of satisfying the screw feeding. In order to verify the rationality of the design of the screw structure, the screw was processed based on the optimal parameters, and the screw feeding device of the transparent outer cylinder was built with acrylic plate, and then the feeding stability of wheat flour was observed. The flow fluctuation of the designed screw is relatively small, and the feeding is more uniform, so the accuracy of the screw feed is higher. The experiment verifies the rationality of the variable pitch design and provides a reference for the design and development of wheat flour screw feeding device.

Finite-element analysis of multi-body contacts for pile driving using a hydraulic pile hammer

2011 ◽  
Vol 225 (5) ◽  
pp. 1153-1161 ◽  
Author(s):  
Y Guo ◽  
J P Hu ◽  
L Y Zhang
Keyword(s):  
Finite Element ◽  
Three Dimensional ◽  
Test Point ◽  
Pile Driving ◽  
Penalty Function Method ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Material Choice ◽  
Multi Body ◽  
The Impact

This article treats the pile driving as multi-body dynamic contacts. By using the penalty function method and three-dimensional model of finite-element method, the dynamic process of pile driving is acquired and a method for choosing the cushion material of the hydraulic pile hammer to improve driving efficiency is proposed. The process of pile driving in the real situation of an industrial experiment is simulated. The results of stress on test point are consistent with the test point. By analysing the stress distributed along the direction of pile radius and pile axis, the rule of the stress distribution on the pile is concluded. The rule for cushion material choice is obtained by comparing the influence for the impact stress with different elastic modulus ratio of the hammer cushion to the pile and the pile cushion to the pile.

Analysis and Research of High Speed Milling of Thin-Walled Bracket Part Based on UG NX

2010 ◽  
Vol 129-131 ◽  
pp. 256-260
Author(s):  
Yi Shu Hao ◽  
Chuang Hai ◽  
Xin Xing Zhu
Keyword(s):  
High Speed ◽  
Three Dimensional ◽  
Structural Features ◽  
Milling Process ◽  
Analysis Method ◽  
Three Dimensional Model ◽  
Machining Processes ◽  
Element Analysis ◽  
High Speed Milling ◽  
Tool Paths

Treating high speed milling theory as the guidance, this paper researched high speed milling process of bracket part based on UG NX. Combined with the structural features of bracket part, three dimensional model is built by UG NX CAD and machining processes are worked out after analysis. UG CAM module was applied to fabricate tool paths. At last, finite element analysis method is introduced to study the processing deformation by UG NX NASTRAN module, based on which measures to restrain processing deformations is advanced and processing sequences are optimized.

Finite Element Analysis of Load Capacity on Coupling Clamps for Pipe

2012 ◽  
Vol 201-202 ◽  
pp. 741-744 ◽  
Author(s):  
Zhen Ning Hou ◽  
Jun Wu ◽  
Qing Wang ◽  
Hong Gen Tian ◽  
Nan Chao ◽  
...  
Keyword(s):  
Finite Element ◽  
Stress Intensity ◽  
Optimization Design ◽  
Load Capacity ◽  
Three Dimensional ◽  
Process Conditions ◽  
Fe Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Element Approach

A finite element approach based on Ansys is developed to simulate stress intensity distribution in a three dimensional model of coupling clamp joint, which includes ferrules, pipe caps and bolts. The characteristics of stress intensity distributions of coupling clamp joint under strength pressure loading have been studied by means of the non-linear finite element method. The FE model can also predict the clamp quality and tolerances to be expected under different process conditions and define the most effective process parameters to influence the tolerances. The study could give us a better understanding on the mechanism and basis for optimization design of the coupling clamp joint.

Study on the Complete Equivalent Initial Imperfection of High Formwork Supporting Frame with Pulley-Clip Style

2011 ◽  
Vol 368-373 ◽  
pp. 3052-3056
Author(s):  
Wei Jun Yang ◽  
Yong Da Yang
Keyword(s):  
Finite Element ◽  
Three Dimensional ◽  
Initial Imperfection ◽  
Influential Factors ◽  
Horizontal Load ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Finite Element Software ◽  
Supporting Frame

New full hall scaffolds with pulley-clip style formwork support system is adopted in the concert hall of Changsha. This paper presents the concept of the complete equivalent initial imperfection according to the characteristics of too many influential factors on the high formwork supporting frame，then makes the complete equivalent initial imperfectione equivalent to assumed equivalent horizontal load in order to ensure the safety of the frame. At the same time, it gets a three-dimensional model by the general finite element software ANSYS 10.0. Based on the results of experiment and finite element analysis, it gets the recommended value of assumed equivalent horizontal load. The study on the high formwork supporting frame with pulley-clip style provides some reference for other similar projects.

scholarly journals Development and Verification of Three-Dimensional Model of Femoral Bone: Finite Element Analysis

2019 ◽  
Vol 1372 ◽  
pp. 012014 ◽  
Author(s):  
Aishah Umairah Abd Aziz ◽  
Hong Seng Gan ◽  
Ahmad Kafrawi Nasution ◽  
Mohammed Rafiq Abdul Kadir ◽  
Muhammad Hanif Ramlee
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Three Dimensional ◽  
Femoral Bone ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis

Finite Element Analysis and Stress Test of Quayside Container Crane

2014 ◽  
Vol 1055 ◽  
pp. 229-233
Author(s):  
Jun Ling ◽  
Shao Ping Zhou ◽  
Feng Qi Wu
Keyword(s):  
Stress Test ◽  
Three Dimensional ◽  
Steel Structure ◽  
Fatigue Property ◽  
Vital Role ◽  
Container Transportation ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Container Crane ◽  
Quayside Container Crane

In present society, port container transportation is a basic need for the costal country. The quayside container crane plays a vital role in port transportation field. Taking 80t quayside container crane as the subject, the three-dimensional model of crane steel structure with plates was established;the element analysis by means of Workbench and multi-measuring points stress test of quayside container crane steel structure was carried out. The simulationresults werecompared with test results to prove the correctness of the model. On the basis, the strength, rigidity and fatigue property of the crane was analyzed. Finally, some design and manufacture suggestions about craneswere given.

Static Analysis and Optimization for Polyarticular Palletizing Robots

2013 ◽  
Vol 431 ◽  
pp. 253-257
Author(s):  
Qing Zhong He ◽  
Pu Quan Wang ◽  
Peng Duan ◽  
Shuai Guo ◽  
Ming Zhang ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Three Dimensional ◽  
Reference Value ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Security Issues ◽  
Optimized Model ◽  
Design Requirements ◽  
Technical People

This paper tries using Inventor software to create the three-dimensional model of the the palletizing robots operation rear arm, and then importing this model to ABAQUS to proceed finite element analysis of statics. We verified these two softwares interface issues, the correctness of the calculation method and the steps by analyzing. From analyzing we found the security issues in the operation rear arm. Then we checked and optimized the model for the issues. From the result, the optimized model meets the strength design requirements. The study has reference value for engineering and technical people.

The Analysis of Optimal Clamping Scheme Based on Genetic Algorithm

2014 ◽  
Vol 1055 ◽  
pp. 218-223
Author(s):  
Jin Yu ◽  
Xiu Feng Zhu ◽  
Yan Liang Gao
Keyword(s):  
Genetic Algorithm ◽  
Three Dimensional ◽  
Milling Process ◽  
End Mill ◽  
Analysis Software ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Simulation And Optimization ◽  
Average Deformation ◽  
The Finite Element Analysis

This paper indicates a kind of research on the optimization of clamping scheme for the joint thin-walled parts in milling process .The three-dimensional model of four-flute end mill and the part are made by UG. The effect of different clamping scheme on the deformation of joint structure is simulated by the finite element analysis software ABAQUS. With the purpose of getting the minimum of the average deformation, MATLAB genetic algorithm optimizes the clamping scheme and acquires the best clamping scheme. The simulation and optimization provide an effective method for controlling the deformation due to different clamping scheme of aeronautic joint-shaped workpiece.

Structure Design and FE Analysis of a Newly Basketball Wheelchair

2008 ◽  
Vol 44-46 ◽  
pp. 685-690
Author(s):  
Lei Lei ◽  
Tian Min Guan ◽  
Li Jun Shan
Keyword(s):  
Three Dimensional ◽  
Work Conditions ◽  
Structure Design ◽  
Human Engineering ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Engineering Theory ◽  
Development Level ◽  
The Finite Element Analysis

Based on the human engineering theory the structure of the new Basketball wheelchair is designed. And the three dimensional model is drawn by means of the PRO/E software after the design. Next, the finite element analysis computation on the wheelchair structure is completed under the four work conditions by I-DEAS software. The result shows that its intensity satisfies the operation requirements and proves that the new Basketball wheelchair is comfortable, safe and reliable. The research of this paper has a more vital significance for enhancing the performance of basketball wheelchair and the development level of sport wheelchair.

Optimization Design of Hydraulic Cylinder Based on ANSYS

2012 ◽  
Vol 562-564 ◽  
pp. 709-712
Author(s):  
Yi Lun Han ◽  
Li Jun Huang ◽  
Xue Lei Wen
Keyword(s):  
Optimization Design ◽  
Three Dimensional ◽  
Basic Structure ◽  
Hydraulic Cylinder ◽  
Stress And Strain ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
The Cost

The basic structure of the piston hydraulic cylinder was introduced. A three-dimensional model was carried out for the hydraulic cylinder by using Pro/E soft，the finite element analysis to the largest hydraulic condition while hydraulic cylinder working by using ANSYS soft，and the distribution of the stress and strain of hydraulic cylinder was derived from it. It optimized the structure of hydraulic cylinder effectively and the cost was saved.

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