Welding automatic line and welding robot

Provided BSAS10 ~ 76 automatic strip welding machine that can be used on the production line. The width of the weldable strip is up to 76mm. The use and adjustment are very simple, and its design meets all modern requirements. The strip is manually fed into the feeding mechanism, and all the remaining processes are automated, including cutting, welding head movement, and post-processing of the workpiece.

20012233 The hardness of the steel plate was measured with a mobile instrument // BlechRohreProfile. Based on the principle of a fixed hardness tester, Testsysteme GmbH developed the UHPKX) mobile hardness tester. When measuring, manually press down the measuring head, the pressure is 100N, the depth of the person is 0.6mm, the hardness range of the test is 22000HV. The pressure welding equipment 20012234 full bridge inverter resistance welding power supply zero voltage turn-on conditions The current research hotspot of welding power supply, phase shifting zero voltage inverter circuit is one of them. Through a comprehensive analysis of the working state of the full-bridge phase-shifted inverter resistance welding welding power source and its conversion stages, it is concluded that the condition for achieving zero voltage turn-on is that the welding transformer has sufficient energy storage and the matching of the control software and circuit parameters The factors affecting the zero voltage conduction are analyzed carefully. On this basis, the analysis results are tested and verified, and a conclusion consistent with theoretical analysis is obtained. On the other hand, the test results also revealed that the phase-shifted inverter circuit is used. Although the circuit cannot be turned on at zero voltage due to some reasons, the voltage stress on the IGBT is greatly reduced, thereby improving the inverter circuit ’s performance. Working status. See 2001223S resistance welding machine power factor adaptation and single tube conduction protection circuit computer simulation analysis / Wu Fengshun // electric welding machine. -The computer simulation technology is used to simulate and analyze the effect of the power factor adaptation of the resistance welding machine and the waveform of each point of the single-tube conduction protection circuit and the circuit parameters on the waveform. Through simulation analysis, it can be known that the KD10 control box power factor adaptation and single-tube conduction protection circuit can better ensure that the trigger angle of the thyristor is greater than the power factor angle of the welding machine, and realize single-tube conduction protection. Reference 2 Welding automatic lines and welding robots provide various plate processing production lines and equipment, including welding, cutting, straightening, robots, computers and other equipment and production lines.

Installation, welding and cutting devices, cables, robot teaching hanging consoles day and night maintenance and service. This service can be completed in the enterprise or in the company's test room, and training and fault detection are carried out in the automation room.

The general development direction of arc welding, friction welding and contact welding automation in DEMO exhibition is expounded. The activities of Esab's technical department were introduced. The promotion of the adaptive system of submerged arc welding (including double wire submerged arc welding) was studied. The characteristics of the SuperSlir equipment developed by this department for friction welding with a rotating shaft are given. The equipment can complete double-sided welding of A1 plates less than 30mm thick. The research direction of Esab's arc welding is proposed.

Automation of welding operations //Hilsausuutisel.-points out the general development direction of the field of welding operations automation proposed at the DEMO exhibition. The RailtracIOOO portable device for gas-shielded gas welding with a melting speed of ~ 1500mm / min is introduced. Exhibited molten metal gas shielded welding equipment used for circular welding of cylindrical vessels and vertical electric gas welding equipment.

Selcomlnc. (USA) has developed a LaserTrak2 system that controls the welding seam during robot welding. This system is very convenient for program management and unifies the equipment. The system is used for arc welding of thin and thick plates. The developed fast-acting laser sensor with SmartTrack program can realize the tracking of the joint, control the tracking process until the end, and can provide an unpredictable gap signal. A program for welding lap joints, corner joints and butt joints has been compiled.

20012242 Development of inspection robot for inner wall of pulverized coal pipe // welding 20012243 Kawasaki Heavy Industries launched teaching-free robot // welding. -20012244 Self-propagating high-temperature synthetic welding computer testing and management system / Du Quanying // Welding technology. -2000, 29 (4). -56 Self-propagating heat synthesis (SHS) is a new technology of synthetic materials, and self-propagating heat synthesis welding is a new application area of ​​the process. At present, the process is still in the laboratory research stage, mainly to study the influence of process parameters on welding performance. Use the powerful data processing capabilities of the computer to perform real-time detection of process parameters, and computer management of process parameters. See 7 Control and management of flash welding of large-section workpieces under Windows environment / Liu Wenduo // Electric welding machine. -2000, 30 (12).

-1215 has developed a special software system for large-section workpiece flash welding machine using Visual C ++ and database Access under Windows environment. The system integrates the control and management functions, and can distinguish the operation authority according to the user's identity, ensuring the safety of the system data and the reasonable use of the software. Its graphical interface, menu options and mouse operation form a good human-computer interaction interface, making it more convenient for users in information management, program formulation, process selection and monitoring of the welding process. The preemptive multitasking mechanism provided by the Windows operating system enhances the real-time control function of the software on the hardware and enhances the stability of the system. Give full play to the superior performance of the computer, suitable for modern production and management. Reference 4 sheet processing software // BlechRohre provides a full guarantee system for the mathematical design of sheet processing, including an automatic design system, a two-dimensional tube manufacturing design system and a three-dimensional three-dimensional simulation manufacturing system. The dialogue unit can determine some parameters of the sheet structure.

20012247 Development of the control system for the all-position tube welding machine / Zhu Zhenyou uses a PC to control the all-position tube welding machine, thus realizing the real-time control of the welding process and ensuring the feedback adjustment of the welding current and the automatic adjustment of the arc voltage. And it can realize the lateral swing of the welding trolley head and the sequential adjustment of welding parameters. After experimental verification, the welding process is stable and the weld quality is good, which has certain practical value.

20012248 Three-phase secondary rectification welding resistance microcomputer controller research / Lin introduced the three-phase secondary rectification welding resistance microcomputer controller hardware structure and design, software design and process, and made a more detailed introduction to the principle of network voltage compensation. Because the controller uses a single-chip microcomputer system as the core, it greatly enhances the control function, provides various perfect programs and pressure curves for selection, and meets the requirements of the welding process to the greatest extent. This study mainly solves the following problems: three-phase phase sequence, accurate synchronization control of phases and thyristors of each phase; (2) full-cycle wave number control of each phase, avoiding the unidirectional magnetization of certain phases; (3) three kinds of pressure Curve control; (4) Long-term storage of 100 sets of welding specifications; (5) Compensation for network pressure fluctuations. This research successfully provided a three-phase secondary rectifier welding machine with a complete, reliable and applicable three-phase controller. The overall design of the controller is selected appropriately, the hardware and software are well combined, the functions are complete, and the use is convenient. Tests and user operation prove that it can fully meet the control requirements of the three-phase secondary rectifier spot welding machine, and has reached various technical requirements. Reference 2 Application of PLC in the control system of frequency conversion speed control profiling robot / Han Jun // Manufacturing Automation 2000, the contact system developed by the Laser Center (Germany) can be used for tracking of curved fillets during laser welding. The pre-obtained docking state is processed by electronic control, so that two continuous centerlines can be generated, and the beam can be controlled along the centerline, which is independent of the robot's movement. Welding structure and design of precision welding application within 5mm of the work area. Welding structure and design 20012251 1-1 / 2 dimensional batching algorithm and implementation based on search tree / Xu Yanxin // Journal of welding -2000, 21 (3).

Aiming at the problem of the splicing of one direction and two perpendicular directions of the long plate members often encountered in engineering projects, an intelligent processing algorithm based on vector tree search is proposed. The stitching interval is abstracted into a vector space. The solution process is to perform a depth-first search on the vector tree formed by the nodes in the vector space until the leaf nodes (solution nodes) of the vector space tree are searched. Each node of the vector space search tree is a segment vector table, and the segment vector table is an ordered arrangement of the distance values ​​between the boundaries of the forbidden area. This method can not only draw a variety of options, but also effectively avoid the combination explosion caused by the combination method to solve the splicing problem. Using PROLOG artificial intelligence language to achieve the proposed algorithm, and can be used to represent the splicing results and calculate the sheet utilization rate. Reference 5 20012252 The problem of load-bearing welded structure in the structure-process aspect proposed to replace the single system with an optical system to solve the problem of load-bearing welded structure in the structure-process aspect. Proposed the use of multi-layer packaging corrugated members. Demonstrate the production-economic and technical-development feasibility of the proposed welding module. This module is recommended for use as a load-bearing positioning structure and for various transportation systems. Table 9 studies the prediction method of the service life of thermal engineering components based on the entire set of test results. It uses the methods of vortex, magnetism, electric potential and ultrasonic detection. This method establishes a correlation between the signal amplitude and the load cycle amount by using the crack size as an evaluation criterion. Table 10 is based on the 97-Welding and Cutting 'exhibit (Essen). When manufacturing welding and cutting equipment, ergonomic principles are often used.

While correctly understanding the basic principles of ergonomics, it must be promoted as widely as possible. It puts forward the scientific concept of ergonomics, points out the possibility of using ergonomics, and gives examples of the use of ergonomics in the structural design of welding and cutting equipment.

It is emphasized that, because the finite element method is more and more widely used to solve the welding problem of small and medium-sized enterprises, these enterprises should have the necessary equipment and procedures to ensure that they must also have skilled personnel for new types of organizational work . The necessary conditions for the economical use and promotion of finite element calculation methods when designing welded structures are studied.

Welding of various products 20012256 Welding during the manufacture of bridge structures and research on process positioning Due to the research on the T-beam (I-beam) three-pole single-channel arc welding system, the bridge manufacturing process has been improved The system can reduce consumption and improve the quality of the welded structure. The following aspects are introduced: performance of welding materials and surfacing metals used, block diagram of automatic welding (submerged arc welding, 2 welding) process, partial diagram of data of welding conditions (simulation system under study), automatic detection device (Ultrasonic automatic detection system) Part of the hard disk data results, the principle diagram of the above device, the calculation and measurement data results comparison table, the use of reasonable bridge structure examples. 3 Table 5 Reference 1 Application of MPM welding technology / Li Jingshi // Welding. -The use of smooth tube and flat steel structure welding membrane wall tube panel is a major technological revolution in the production of membrane wall components for power station boilers. The MPM equipment can be used to realize the simultaneous welding of multiple welding heads up and down. The welding deformation is small, the dimensional accuracy is small, the workpiece does not need to turn over, and the production efficiency is high.

20012258 Medium and high pressure boiler tube joint fillet weld UT technology discussion / Li Yan // China boiler and pressure vessel safety. -

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