The Design of Computer Integrated Control System for Electron Beam Welder

2013 ◽  
Vol 380-384 ◽  
pp. 274-277 ◽  
Author(s):  
Han Min Ye ◽  
Xiao Fei Liu
Keyword(s):  
Electron Beam ◽  
Control System ◽  
Integrated Control ◽  
Welding Process ◽  
Beam Current ◽  
Electron Beam Current ◽  
Control Technology ◽  
Computer Communication ◽  
Plc Control

Based on computer and PLC control technology, the control system for electron beam welder has been studied in this paper. By using PLC control technology to implement the intelligent control (IC) in welding process and adopting the high-frequency inverter technology, to realize the high-voltage interlock protection, the quality of electron beam current spot as well as the welding technology has been improved. Concerning the requirements on the technical and process, the design of computer communication and PLC application software demonstrate the feasibility of this method.

The Design of CNC System on the Electron Beam Welder

2011 ◽  
Vol 189-193 ◽  
pp. 1307-1311
Author(s):  
Shao Lin Li ◽  
Ai Zhen Wang ◽  
Cheng De Lin
Keyword(s):  
Electron Beam ◽  
Control System ◽  
Beam Current ◽  
High Energy ◽  
Control Device ◽  
Electron Beam Current ◽  
Cnc System ◽  
Energy Beam ◽  
Welding Equipment ◽  
Logic Control

The electron beam welder is the application example of high-energy beam on the Welding equipment. In order to achieve a variety of logic control device, the traditional control system of the electron beam welder is based on PLC. It exist a lot of the disadvantages in the traditional control system of the electron beam welder. Especially, its welding energy has the simplex form of supply and the asynchronous with trajectory. In order to deal with this problem, it is developed the CNC system with the form of industrial personal computer (IPC) + motion control card in this paper. This CNC system can achieve the unified programming and synchronous control of the trajectory and two-energy magnitude: the focusing current and electron beam current. This CNC system can make up for the deficiency of the traditional control system and improve the efficiency and precision of weld. Feedback from its application on the electron beam welder indicates that it works reliably and the performance is satisfactory.

Cathodoluminescence of SiO2/Si System

2009 ◽  
Vol 156-158 ◽  
pp. 487-492 ◽  
Author(s):  
M.V. Zamoryanskaya
Keyword(s):  
Activation Energy ◽  
Electron Beam ◽  
Rise Time ◽  
Silicon Oxide ◽  
Beam Current ◽  
Electron Beam Current ◽  
Electron Traps ◽  
Definition Of ◽  
Luminescent Centers

In this paper the new method for determination of luminescent centers concentration are discussed. While the possibility of electron traps determination and definition of its activation energy are suggested. The cathodoluminescent (CL) method was used. The determination of luminescent centers concentration in silicon oxide is based on the measurements of dependences of CL intensity on electron beam current. The presence and energy of activation of electron traps were studied by measurement of rise time and decay of luminescent band during the stationary irradiation of silica by electron beam.

Application of PLC Technology in the Control System of Plate Shearing Machine

2013 ◽  
Vol 312 ◽  
pp. 777-781
Author(s):  
Lu Ping Liu
Keyword(s):  
Control System ◽  
Control Technology ◽  
Working Process ◽  
Industrial Manufacturing ◽  
Plc Control ◽  
Machine Control ◽  
And Control

In the modern industrial manufacturing field, PLC plays a very important role. In this paper, through analyzing the working process and control requirements of plate shearing machine and using PLC control technology, the automation design of the plate shearing machine control system is realized.

Study on Electron Beam Welding of AZ61 Magnesium Alloy

2010 ◽  
Vol 34-35 ◽  
pp. 1516-1520
Author(s):  
Hong Ye ◽  
Han Li Yang ◽  
Zhong Lin Yan
Keyword(s):  
Electron Beam ◽  
Magnesium Alloys ◽  
Welding Speed ◽  
Electron Beam Welding ◽  
Weld Zone ◽  
Welding Process ◽  
Processing Parameters ◽  
Beam Current ◽  
Fine Grained ◽  
Section Shape

Electron beam welding process of AZ61 with 10mm thickness magnesium alloys was investigated. The influence of processing parameters including focusing current, welding beam current and welding speed was researched. The results show that an ideal weld bead can be formed by choosing processing parameters properly. Focusing current is main parameter that determines cross section shape. The beam current and welding speed are main parameters that determine the weld width and dimensions. The test results for typical welds indicate that the microhardness of the weld zone is better than that of the base meta1. A fine-grained weld region has been observed and no obvious heat-affected zone is found. The fusion zone mainly consists of small α-Mg phase and β-Mg17A112. The small grains and β phases in the joint are believed to play an important role in the increase of the strength of weld for AZ61 magnesium alloys.

Design of Control System of Annealing Tin Machine Based on PLC

2013 ◽  
Vol 418 ◽  
pp. 70-73
Author(s):  
Jian Zhen Zhong ◽  
Wen Yong Li ◽  
Yu Yang
Keyword(s):  
Control System ◽  
Automatic Control ◽  
High Precision ◽  
Automatic Control System ◽  
Control Technology ◽  
Automatic Program ◽  
Plc Control ◽  
Backward Control

This paper describes a method that reform the backward control system of annealing tin machine with the PLC control technology, and designs of hardware and software of the machine so that the machine have a good man-machine automatic control system. The paper focuses on the development of automatic program based on PLC, home return program, alarm program and protection program. The result shows that this control system is reliable, stable and high precision when it is used to the machine, and improving the competitiveness of the machine in the industry greatly.

scholarly journals The Corrosion Studies of Electron Beam Welded Nickel Alloy

2019 ◽  
Vol 253 ◽  
pp. 03005 ◽  
Author(s):  
M. Sroka ◽  
E. Jonda ◽  
M. Węglowski ◽  
S. Błacha
Keyword(s):  
Electron Beam ◽  
Process Parameters ◽  
Microstructural Analysis ◽  
Solidification Process ◽  
Beam Current ◽  
Surface Oxide Layer ◽  
Electron Beam Current ◽  
Corrosion Properties ◽  
Inconel 617 ◽  
Potentiodynamic Anodic Polarization

The paper presents the influence of electron - beam (EB) remelting effect on the surface layer electrochemical parameters obtained from potentiodynamic anodic polarization studies and impedance spectroscopy measurements for a set of Inconel 617 electron beam remelted obtained for different process parameters. The correlation between EBW process parameters and characteristic of surface oxide layer properties and resistance to the acidic environment were discussed. The electrochemical studies were supported by microstructural analysis of the remelted zone (RZ), heat affected zone (HAZ), native metal and observed precipitates formed under rapid solidification process. Both electrochemical technics applied to evaluate corrosion properties of remelted Inconel 617 evidenced a strong influence of the electron beam current on the corrosion resistance.

scholarly journals NUMERICAL ANALYSIS OF LASING DYNAMICS IN VOLUME FREE ELECTRON LASER

2008 ◽  
Vol 13 (2) ◽  
pp. 263-273
Author(s):  
Svetlana Sytova
Keyword(s):  
Electron Beam ◽  
Free Electron ◽  
Free Electron Laser ◽  
Initial Conditions ◽  
Beam Current ◽  
Beam Current Density ◽  
Electron Beam Current ◽  
Nonlinear Phenomena ◽  
Experimental Development ◽  
Lasing Dynamics

Nonlinear phenomena originating in volume free electron laser (VFEL) are investigated by methods of mathematical modelling using computer code VOLC. It was demonstrated the possibility of excitation of quasiperiodic oscillations not far from threshold values of electron beam current density and VFEL resonator length. It was investigated sensibility of numerical solution to initial conditions for different VFEL regimes of operation. Parametric maps with respect to electron beam current and detuning from synchronism condition present complicated root to chaos with windows of periodicity in VFEL. Investigation of chaotic lasing dynamics in VFEL is important in the light of experimental development of VFEL in Research Institute for Nuclear Problems.

Effect on LY12 Aluminum Alloy Welding Joint Microstructure and Properties with Electron Beam Welding Technical Parameters

2013 ◽  
Vol 475-476 ◽  
pp. 1275-1279
Author(s):  
Qiang Zheng ◽  
Cheng Gang Yang ◽  
Yu He ◽  
He Chen ◽  
Ai Wu Yu
Keyword(s):  
Aluminum Alloy ◽  
Electron Beam ◽  
Weld Metal ◽  
Heat Affected Zone ◽  
Welding Speed ◽  
Electron Beam Welding ◽  
Beam Current ◽  
Electron Beam Current ◽  
Micro Hardness ◽  
Technical Parameters

LY12 aluminum alloy was welded with vacuum electron beam welding, the effect of welding speed and electron beam current on the weld microstructure and mechanical properties of welding joints were studied, the results were shown that with the increasing of welding speed or decreasing of electron beam current, the grains in weld metal were refined, so the joint strength were increased. When the electron beam current was 18mA, the welding speed was 1000mm/min, the grains of weld metal were the finest, and the tensile strength was 373.2MPa. In addition, the micro-hardness of weld metal was much lower than base metal and heat affected zone, and the heat affected zone had certain softening phenomenon. With the increasing of welding speed or decreasing of electron beam current, the micro-hardness of weld metal was increased respectively.

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