Research Status and Development Trend of Laser Welding Technology of Plastic

2013 ◽  
Vol 753-755 ◽  
pp. 425-430 ◽  
Author(s):  
Hui Li ◽  
Wei Li ◽  
Xi Ming Liu ◽  
Yao Min Wang ◽  
Zhen Liu
Keyword(s):  
Laser Welding ◽  
Welding Process ◽  
Development Trend ◽  
Industrial Applications ◽  
Advanced Manufacturing Technology ◽  
Advanced Manufacturing ◽  
Welding Technology ◽  
Critical Issues ◽  
Further Development ◽  
Research Situation

The technological and economic advantages of laser welding of plastics in comparison to the traditional welding process and research situation are analyzed in this paper. Process methods of this technology are reviewed as well as the range of application for these manners is compared. The technological challenges facing the further development of the technology and the critical issues needing to be solved are deeply investigated. It is pointed out that efficient prevention of plastics distortion and cracking as well as control of internal structure and defects are currently the two bottleneck obstacles challenging the further development and industrial applications of the revolutionary advanced manufacturing technology. The developments of laser welding technology of plastics in the future are also forecasted.

Review of Present Research Situation and Development of Combustion Synthesis Welding

2013 ◽  
Vol 746 ◽  
pp. 155-160
Author(s):  
Shu Zhen Li ◽  
Bo Lin He ◽  
Min Hua Jiang
Keyword(s):  
Combustion Synthesis ◽  
Influence Factors ◽  
Welding Process ◽  
Development Trend ◽  
Welding Method ◽  
Process Characteristics ◽  
Welding Technology ◽  
Research Situation ◽  
At Home

As a new welding method, combustion synthesis welding technology caused widespread concern at home and abroad in recent years. The combustion synthesis technology, the concept of combustion synthesis welding, classification, welding process characteristics and influence factors were introduced. Status and development trend about the welding technology of combustion synthesis was reviewed, and the main problems and recent development's focus and goals of combustion synthesis welding technology were outlined.

Laser Welding Process: A Research Project on Quality Assurance and Control

2004 ◽  
Vol 20 (03) ◽  
pp. 188-192
Author(s):  
Luciano Manzon
Keyword(s):  
Quality Assurance ◽  
Laser Welding ◽  
Welding Process ◽  
Point Of View ◽  
Integrated System ◽  
Control Line ◽  
Research Project ◽  
Main Research ◽  
Welding Technology ◽  
And Control

For the industrial adoption of laser welding technology, it is important that the yards achieve full control of the process and that they and the classification societies reach a level of confidence in the technology to permit a reduced level of quality controls after the welds have been performed. This would lead to a practicable and easier implementation of the technology in the industrial field. This is the approach that two EU yards, Odense Steel Shipyard and Fincantieri, had in mind while developing, with the partnership of important EU research institutes and classification societies, the EU-supported research project Shipbuilding Laser Welds: An Integrated System for Assurance and Control of Quality (SHILWACQ). The author, who was the coordinator of the project, explains, from the point of view of an end user shipyard, how this approach was implemented following two main research lines:the quality assurance line, focusing on the "defect avoidance" criterion and the "defect acceptance" (fitness for purpose) criterion;the quality control line, concentrating on the on-line process monitoring and automated not-destructive-test inspection systems. The CO2 laser welding technology for small/medium-thickness steel hull components is addressed. The article explains the activity development and the scientific results achieved by the two research lines, as well as how these results have been tested and validated in the industrial environment.

scholarly journals Influence of the laser welding process on changes in the magnetic induction of the Religa Heart ROT pump

2019 ◽  
Vol 91 (4) ◽  
Author(s):  
Sebastian Stano ◽  
Roman Kustosz ◽  
Artur Kapis ◽  
Przemysław Kurtyka ◽  
Jerzy Zalewski ◽  
...  
Keyword(s):  
Laser Welding ◽  
Magnetic Induction ◽  
Mechanical Circulatory Support ◽  
Welding Process ◽  
Blood Pump ◽  
Circulatory Support ◽  
Welding Parameters ◽  
Welding Technology ◽  
Magnetic Induction Distribution ◽  
Pulse Welding

The study addresses the results concerning the laser welding technology of the titanium circulatory support blood pump Religa Heart ROT. Pulse laser welding parameters were determined and selected. The influence of the pulse welding parameters and other conditions of welding process on the magnetic induction distribution of the mechanical circulatory support blood pump was investigated.

Investigation of Semisolid Welding Characteristics of 2A14 Aluminum Alloy

2010 ◽  
Vol 154-155 ◽  
pp. 639-642 ◽  
Author(s):  
Song Yang Zhang ◽  
Xiao Qin Guo ◽  
Gao Shan Ma
Keyword(s):  
Aluminum Alloy ◽  
Welding Process ◽  
Industrial Applications ◽  
Application Range ◽  
Welding Technology ◽  
New Process ◽  
Automobile Electronic ◽  
Semi Solid ◽  
Rapidly Solidified ◽  
With Screws

Semi-solid processing of metals is becoming popular as a new potential manufacturing technology for parts and components in automobile, electronic and machine industries.Up to now semisolid welding technology have not been used in industrial applications. A new process of semisolid metals welding is proposed; the process shows excellent formability and joining ability of semisolid metals, and differs from the process of melt welding or mechanical joining with screws or nails. In the process, semisolid 2A14 aluminum alloy was joint together and was rapidly solidified under pressure. The heat affected zone of the joint was decreased and the grain size of the joint was become small. The application range of the process is wide, i.e., from the electronic industry to arts. The advantages of this new semisolid welding process are (1) ease of joining, (2) good joining microstructure, and (3) ease of carrying out mass production.

On Characteristics and Development Trend of Advanced Manufacturing Technology

2013 ◽  
Vol 712-715 ◽  
pp. 3195-3198
Author(s):  
Huan Yun Wang ◽  
Li Jing Diao
Keyword(s):  
National Economy ◽  
Manufacturing Industry ◽  
Development Trend ◽  
Manufacturing Technology ◽  
Advanced Manufacturing Technology ◽  
Advanced Manufacturing ◽  
Economic Competition ◽  
The World

Manufacturing industry is the foundation of national economy and an important manifestation of the comprehensive national strength. The economic competition in the world is mainly the competition of the manufacturing industry. This paper analyzes the importance of advanced manufacturing technology, introduces its concept and characteristics and probe into its development trend.

scholarly journals LIFE EXTENSION TECHNIQUE FOR WELDED STRUCTURE USING HFMI/PIT: A REVIEW ON PAST AND CURRENT RESEARCHES WITH APPLICATIONS

2016 ◽  
Vol 2 (1) ◽  
pp. 46
Author(s):  
Y. H. P. Manurung ◽  
M. A. Mohamed ◽  
D. Andud ◽  
A. Z. Abidin ◽  
S. Saidin ◽  
...  
Keyword(s):  
High Frequency ◽  
Treatment Process ◽  
Welded Joint ◽  
Industrial Applications ◽  
Life Extension ◽  
Advanced Manufacturing Technology ◽  
Advanced Manufacturing ◽  
Pneumatic Impact ◽  
Welded Structure ◽  
Research On Application

<p class="TRANSAffiliation">In this paper, High Frequency Mechanical Impact (HFMI) using Pneumatic Impact Treatment (PIT) which can be applied for new or aging welded structure towards asset integrity will be discussed. The technology HFMI/PIT which falls under post weld treatment process is primarily aimed to enhance fatigue life and to strengthen welded joint. At first, the basic principle on fatigue of welded structure based on the IIW Recommendation will be briefly described. Further, various investigations conducted by prominent research universities or institutions and various industrial applications in European countries will be reviewed and discussed. Lastly, the current research on application of HFMI/PIT carried out under Advanced Manufacturing Technology Excellence Centre (AMTEx) at Faculty of Mechanical Engineering UiTM Shah Alam will be presented. As conclusion, it is stated that HFMI/PIT can be applied for extending the structural life and also for design optimization.</p>

Research Status and Development Trend of Magnetically Controlled Welding Technology

2013 ◽  
Vol 712-715 ◽  
pp. 584-589 ◽  
Author(s):  
Hui Li ◽  
Qing Jie Sun ◽  
Xi Ming Liu ◽  
Hong Yun Zhao ◽  
Ji Cai Feng
Keyword(s):  
Magnetic Field ◽  
Mechanical Properties ◽  
Welding Process ◽  
Metal Droplet ◽  
Development Trend ◽  
Droplet Transfer ◽  
Weld Microstructure ◽  
Welding Technology ◽  
Arc Shape ◽  
The Moment

The basic principle and the characteristics of magnetically controlled welding technology are introduced in this paper. The specific applications of domestic and foreign magnetically controlled welding technology in welding process are comprehensively analyzed at the moment, including the effect rule of external magnetic field on arc shape, metal droplet transfer, molten pool, weld microstructure, mechanical properties. And the key problems needing to be solved are deeply investigated. The developments of magnetically controlled welding technology in the future are also forecasted.

Robot Based Laser Welding Technology

2008 ◽  
Vol 580-582 ◽  
pp. 565-568 ◽  
Author(s):  
Hee Shin Kang ◽  
Jeong Suh ◽  
Taik Dong Cho
Keyword(s):  
Laser Welding ◽  
Tracking System ◽  
Welding Process ◽  
Seam Tracking ◽  
Welding Quality ◽  
Monitoring Method ◽  
Welding Technology ◽  
Non Linear ◽  
Tailored Blank ◽  
Welding System

In order to obtain a good result in the laser welding process, the laser welding technology for manufacturing an automobile body is studied in this research. The monitoring of the welding quality and the seam tracking are studied to improve the productivity. The robot, the seam tracking system and CW Nd:YAG laser are used for the robot laser welding system. The laser system is 4kW Nd:YAG laser_(HL4006D) of Trumpf and the robot system is IRB6400R of ABB. The robot laser welding system is equipped with the seam tracker and plasma sensor. The seam tracking system is composed of SMART-20LS and RAPAL of Servo-Robot and MVS-5 sensor of MVS. The precise positioning of the laser beam on the joint to be assembled is obtained by seam tracker. The welding joints of steel plate are butt and lap joint. The three dimensional welding for non-linear tailored blank is performed after the fundamental experiments of bead-on-plate. Finally, the welding process for non-linear tailored blank and front side member is studied. The monitoring method of welding quality and seam tracking along the butt-joint are studied. The artificial defects in joint are well observed by the plasma intensity signal from the plasma sensor of UV and IR. The robot based laser welding system is developed for the precision seam tracking and the real-time monitoring of welding quality.

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