Simulation Analysis of Pneumatic on-off Pressure Mechanism on Printing Press

2010 ◽  
Vol 154-155 ◽  
pp. 1481-1484 ◽  
Author(s):  
Jun Zhong Guo ◽  
Jun Ping Yang
Keyword(s):  
Kinematic Analysis ◽  
Simulation Analysis ◽  
Angular Displacement ◽  
Three Dimensional ◽  
Printing Press ◽  
Work Demand ◽  
Analysis Process ◽  
Adams Software ◽  
Important Basis

The on-off pressure mechanism has an important function to the printing press, the quality of which concerns the working performance of the printing machine and the quality of printed products directly. In this paper, the pneumatic on-off pressure mechanism is discussed; the work demand of order on-off pressure is analyzed. In addition, the three-dimensional digital model and the kinematic analysis process can be achieved on the basis of ADAMS software. What’s more, the on pressure value in the process of on pressure is derived from the kinematic analysis. Lastly, the relation between the motion of on-off pressure mechanism and cylinder’s angular displacement is analyzed, an important basis to the on-off pressure mechanism’s optimal design will be provided.

Impact Analysis of Piston Velocity to Cylinders Motion on Pneumatic Impression On-Off Mechanism of Sheet-Fed Offset Press

2011 ◽  
Vol 215 ◽  
pp. 327-331
Author(s):  
Jun Zhong Guo ◽  
Jun Ping Yang
Keyword(s):  
Impact Analysis ◽  
Angular Displacement ◽  
Three Dimensional ◽  
Piston Velocity ◽  
High Position ◽  
Adams Software ◽  
Object Of Study ◽  
Design And Manufacture ◽  
Important Basis

The impression on-off mechanism is an important part of the offset press, the design and manufacture have relationship with the performance of the printing presses and the quality of the printed products. Pneumatic impression on-off mechanism has the advantages of high position accuracy, reliable and highly automation. This article takes pneumatic impression on-off mechanism as the object of study, the three-dimensional digital model of the impression on-off mechanism is established and the process of on-off pressure is analyzed by using ADAMS software, the piston minimum velocity when the cylinders rotates in different angular velocity is obtained, through simulation, the relation between the motion of impression on-off mechanism and cylinder angular displacement is analyzed. Finally, an important basis to adjust the piston velocity under different speed of cylinders rotation will be provided.

Dynamic Simulation Analysis of the Crane Hoisting Process Based on Adams

2014 ◽  
Vol 940 ◽  
pp. 132-135 ◽  
Author(s):  
Yi Fan Zhao ◽  
Ling Sha ◽  
Yi Zhu
Keyword(s):  
Dynamic Simulation ◽  
Simulation Analysis ◽  
Three Dimensional ◽  
Wire Rope ◽  
Dynamics Simulation ◽  
Dimensional Model ◽  
Analysis Model ◽  
Three Dimensional Model ◽  
Adams Software ◽  
Simulation Results

Established the dynamics simulation analysis model of crane hoisting mechanism based on the theory of dynamics in Adams software, and then through the three dimensional model of lifting mechanism dynamics entities, the constraints, load, drive can be added, the motion law can be defined to simulation analysis the change of the force of wire rope, the change of displacement, velocity and acceleration of lifting weight in the lifting process. On the basis of the simulation results, it can make a great improvement for the structure of crane and provide a meaningful theoretical reference for the hoisting machinery innovation design.

The Application of Virtual Prototyping Technology in the Kinematic Analysis of Hydraulic Excavator Working Device

2012 ◽  
Vol 538-541 ◽  
pp. 3235-3239
Author(s):  
Hai Hong Chen ◽  
Jian Ping Zi
Keyword(s):  
Virtual Environment ◽  
Working Conditions ◽  
Kinematic Analysis ◽  
Simulation Analysis ◽  
Virtual Prototyping ◽  
Three Dimensional ◽  
Hydraulic Excavator ◽  
Kinematic Simulation ◽  
Virtual Prototyping Technology ◽  
Working Device

Three-dimensional software Solidworks and ADAMS were combined together to establish the virtual prototyping model of hydraulic excavator working device in this paper. Various real typical working conditions of excavators were simulated in the virtual environment, then kinematic simulation analysis was conducted, and the main mining parameters in different conditions were given, the results provide a basis for the design of excavator working device.

Design and Simulation Analysis of the Manipulator Used to Feed Gems

2013 ◽  
Vol 364 ◽  
pp. 365-369
Author(s):  
Xiao Lin Deng ◽  
Heng Bing Wei
Keyword(s):  
Simulation Analysis ◽  
Three Dimensional ◽  
Dynamics Simulation ◽  
Kinematics And Dynamics ◽  
Prototype Model ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Adams Software ◽  
Working Principle ◽  
Design Requirements

This paper studies and designs the gems feeding manipulator, makes a detailed analysis of the overall structure and working principle of the manipulator, and establishes the three-dimensional model of the manipulator. The virtual prototype model of the manipulator is built in ADAMS software. Use simulation analysis functions of ADAMS to carry out kinematics and dynamics simulation analysis on manipulator, obtaining parameter curves of the manipulator such as position, speed and torque, which verifies it feasible to use manipulator to unload and load gems, achieving the design requirements.

Numerical Simulation Analysis of Ink Temperature Field in the Printing Process

2015 ◽  
Vol 775 ◽  
pp. 125-129
Author(s):  
Wei Huang ◽  
Hong Yan Chu ◽  
Li Gang Cai
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Simulation Analysis ◽  
Simulation Software ◽  
Fluid Simulation ◽  
Printing Press ◽  
Printing Process ◽  
Printing Quality ◽  
Main Factor

Ink is one of the important material in printing process, its features, to a great extent, decide the printing quality, and ink viscosity is one of the main parameters, the value of the ink viscosity directly affects the quality of printing. In the case of other conditions are determined, the main factor of influencing the ink viscosity is temperature. In this paper, by using the Workbench CFX fluid simulation software, the ink temperature field of two extrusion ink rollers in printing press is analyzed by numerical simulation , the influence of the ink roller speed on ink temperature and the influence of ink roller thermal conductivity on the ink temperature are analyzed,.

Modeling and Simulation of Hydraulic Turnover Device for Large Bearing House

2012 ◽  
Vol 226-228 ◽  
pp. 660-664
Author(s):  
Xin Cai Zhu ◽  
Lei Guo ◽  
You Qing Ding ◽  
Shun Hong Lin
Keyword(s):  
Simulation Analysis ◽  
Model Simulation ◽  
Three Dimensional ◽  
Simulation Software ◽  
Data Format ◽  
Three Dimensional Modeling ◽  
Dimensional Modeling ◽  
Practical Design ◽  
Modeling Software

The geometric models of the hydraulic turnover device are constructed by using three -dimensional modeling software UG, and then they are induced into simulation software ADAMS by a sharing data format. By using ADAMS, models are further simplified and the virtual prototype is established. By using the associated model, the simulation of the hydraulic turnover device is analyzed in ADAMS. Compared with the traditional methods of using physical prototypes, the movement processes and relevant parameters of the hydraulic turnover device can be effectively obtained by means of this method. Furthermore, the quality of the constraint relations between the parts is very important in terms of the accuracy of the model simulation analysis. This simulation results accord with the practical situation, which indicates that the operation is stable and the efficiency is high. It provides a theoretical basis for the practical design of the hydraulic turnover device, which shows that the combination of ADAMS and UG works well.

Kinematics Simulation of Residues Cutting and Ridge Cleaning Equipment Based on ADAMS

2010 ◽  
Vol 29-32 ◽  
pp. 819-823 ◽  
Author(s):  
Shi Hong Wu ◽  
Bu Zhang ◽  
Feng Yu He ◽  
Bao Fa Li
Keyword(s):  
Theoretical Analysis ◽  
Simulation Model ◽  
Simulation Analysis ◽  
No Tillage ◽  
Kinematics Simulation ◽  
Cleaning Equipment ◽  
Adams Software ◽  
Simulation Results ◽  
Ridge Tillage

The residues cutting and ridge cleaning equipments of Ridge-tillage planter are important working parts which can prevent no-tillage planter from clogging and ensure good quality of seeding. For this, How to use ADAMS software to establish the simulation model of residues cutting and cleaning equipment is introduced, and the simulation analysis of its cutting residues and cleaning the ridge is done in this paper. Simulation results show that running results are in line with the theoretical analysis, which improved the design of residues cutting and ridge cleaning equipment of No-tillage planter.

Study on Kinematics Simulation of Multi-Joint Robotic Gripper Based on ADAMS

2013 ◽  
Vol 444-445 ◽  
pp. 1384-1388
Author(s):  
Bin Hua ◽  
Yi Lin Chi ◽  
Xue Jun Wang ◽  
Quan Bai ◽  
Wei Zhong
Keyword(s):  
Simulation Analysis ◽  
Geometric Model ◽  
Characteristic Curve ◽  
Three Dimensional ◽  
Virtual Prototype ◽  
Prototype Model ◽  
Three Dimensional Model ◽  
Improve Design ◽  
Kinematics Simulation ◽  
Adams Software

The article describes how we can use the virtual prototyping technology validate mechanism design of multi-joint manipulator and its grabbing performance and loading abilities per minute. It completes the three-dimensional model of virtual prototype with Solid Edge ST5, and be imported into ADAMS software. And then the manipulator kinematics simulation is carried out in ADAMS. Using the kinematics simulation technology of ADAMS, we can get the various joints in a working cycle of the displacement characteristic curve, the velocity and acceleration curves of working conditions. This paper introduces how to establish the geometric model of articulated robot virtual prototype model. And some key technology details such as adding a constraint to model are also described. Kinematics simulation analysis of the manipulator with ADAMS software can greatly shorten the design cycle, improve design accuracy and reduce the cost of product development.

Scanning Electron Microscopy in Hybrid Microelectronics

1976 ◽  
Vol 34 ◽  
pp. 456-457
Author(s):  
S. Khadpe ◽  
R. Faryniak
Keyword(s):  
Integrated Circuits ◽  
Thick Film ◽  
Integrated Circuit ◽  
Failure Modes ◽  
Three Dimensional ◽  
Circuit Components ◽  
Hybrid Microcircuit ◽  
Electrical Connections ◽  
Scanning Electron

The Scanning Electron Microscope (SEM) is an important tool in Thick Film Hybrid Microcircuits Manufacturing because of its large depth of focus and three dimensional capability. This paper discusses some of the important areas in which the SEM is used to monitor process control and component failure modes during the various stages of manufacture of a typical hybrid microcircuit.Figure 1 shows a thick film hybrid microcircuit used in a Motorola Paging Receiver. The circuit consists of thick film resistors and conductors screened and fired on a ceramic (aluminum oxide) substrate. Two integrated circuit dice are bonded to the conductors by means of conductive epoxy and electrical connections from each integrated circuit to the substrate are made by ultrasonically bonding 1 mil aluminum wires from the die pads to appropriate conductor pads on the substrate. In addition to the integrated circuits and the resistors, the circuit includes seven chip capacitors soldered onto the substrate. Some of the important considerations involved in the selection and reliability aspects of the hybrid circuit components are: (a) the quality of the substrate; (b) the surface structure of the thick film conductors; (c) the metallization characteristics of the integrated circuit; and (d) the quality of the wire bond interconnections.

Semi-automated methods for 3-D reconstruction of macromolecular complexes

1995 ◽  
Vol 53 ◽  
pp. 42-43
Author(s):  
B. Carragher ◽  
M. Whittaker
Keyword(s):  
Three Dimensional ◽  
Time Saving ◽  
Macromolecular Complexes ◽  
Symmetry Properties ◽  
Dimensional Reconstruction ◽  
Experienced Operator ◽  
Projection Images ◽  
The Individual ◽  
Natural Symmetry

Techniques for three-dimensional reconstruction of macromolecular complexes from electron micrographs have been successfully used for many years. These include methods which take advantage of the natural symmetry properties of the structure (for example helical or icosahedral) as well as those that use single axis or other tilting geometries to reconstruct from a set of projection images. These techniques have traditionally relied on a very experienced operator to manually perform the often numerous and time consuming steps required to obtain the final reconstruction. While the guidance and oversight of an experienced and critical operator will always be an essential component of these techniques, recent advances in computer technology, microprocessor controlled microscopes and the availability of high quality CCD cameras have provided the means to automate many of the individual steps.During the acquisition of data automation provides benefits not only in terms of convenience and time saving but also in circumstances where manual procedures limit the quality of the final reconstruction.

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