Welding structure and design

Welding structure and design

1 Good system performance. 81 Ref. 6 20004249 Welding seam tracking control system based on visual sensing Highly researched an intelligent welding seam tracking control system, using visual sensor 0 to detect arc welding area. And through image processing to accurately identify the position of the weld seam, at the same time, a parameter self-adjusting fuzzy controller is designed to control the movement of the welding gun, which effectively improves the tracking accuracy of the weld seam. 6 20004250 Capacitor Energy Storage Seam Welding Machine Microcomputer Controller Development Zhang Yong introduced the capacitor energy storage seam welding single-chip controller. Introduced the design philosophy of the control principle, hardware structure, software flow, and the characteristics of the controller. 1 Using a single-chip microcomputer to control the charging voltage and seam welding on-off time ratio, greatly improved the technical performance of the welding machine. 2 The controller has parameters such as welding current energization time, which provides the basis for the control of welding quality. 3 The controller has multiple functions such as diagnostic alarm, good reliability, and strong application background. It is a successful application of advanced manufacturing technology in welding. This research is of great significance for the welding of micro-parts, especially precision parts, and has been successfully applied to the welding of thin-wire parts and ultra-thin parts. 2 parameters 2 welding applications Welding structure and design 2251 Based on feature and object-oriented welding structure product information model research Lin Bao Welding Journal. 999, 20 supplement.

The product information model of welded structure is of great significance for the integration of welded structure 00 0 into 1. Existing, the person 0 system cannot provide complete information for subsequent manufacturing activities, and cannot meet the requirements of the integration of 0 person 00 person elbow. The use of feature technology and object-oriented support for computer-aided process specifications, clamping and assembly design, robot path planning, and other subsequent manufacturing activities proposed the characteristics of the welded structure, shape, shape, joint, groove, material, accuracy, weld, and assembly features. Management characteristics and characteristics. We developed a prototype software journal of the welding structure information model, and conducted research on the weldability of the structure of the yield limit 460, 3 used in the underwater construction of the system 20004252 by Norway. Two welding processes and types were used Large and small wires can pass the flux cored wire arc, the wire energy is 8, male is called submerged arc welding, and the wire energy 03.5 and 5 are welded in the down welding position without preheating. The welded structure test is only 80%. 3 takes 1 to proceed. The test results show that the steel used does not show any tendency to cause hydrogen-induced cracking even when welding without preheating. 144 parameters 9 20004253 reliability analysis of welded structures with buried cracks based on dimensional stochastic finite element method Ying He Berlin, 1 out 1.

The stochastic finite element method is used for the first time to the conservative shortcomings of the crack mechanics of buried cracked welded structures in the safety assessment of the structure. In the reliability calculation of the structure, the influence of random variables such as perturbation theory crack size and other random variables on the reliability of the structure is adopted. This method opens up a new way for the safety assessment of the welded structure with defects.

20004254 Objective method of research on the intelligence system for assembly welding process design Russia, 8 demonstrated the application of large-scale positioning methods in the research of the intelligence system for assembly welding process design. The method includes objective decomposition of two basic situations and conceptual principles of static and dynamic models of logical physics.

This method is expected to be used in objective directional languages ​​such as 0 coffee, 0 ++ state, etc., which are process welding processes for complex welding structure assembly. 33 Welding of various products 20004255 New trends in the development of automotive material technology Day 3 describes the future development and effects of these achievements in the field of automotive production and processing processes including molten electrode gas shielded welding and non-melting electrode inert gas shielded welding and material improvement achievement.

The screw and sleeve combination device developed by the German company is used to assemble the so-called combination device, which is used for the above purpose. It is placed in the appropriate position of the component without the risk of loss in the next process.

According to the company, these parts fully meet the requirements in terms of bearing capacity, corrosion resistance and ease of installation.

20004257 Shantou Rock Bridge Steel Girder Welding Technology Tao Zuji introduced the characteristics of the steel box girder structure of Shantou Bridge and the use of 1; shaped rib butt 0-shaped rib welding edge precision cutting shaped rib fillet weld seam welded anchor pipe and outer web Plate welding steel beam section upper cover plate single side welding double-sided forming welding and steel beam section adopts large-scale turning tooling horizontal welding technology. Proposed measures to control welding deformation, and received good results = Welding deformation of large I-beams and preventive measures Liu Wei conducted theoretical analysis on bending deformation and angular deformation of welded I-beams, and proposed a process to prevent deformation Measure 1 When welding the I-beam, as long as it is placed horizontally, symmetrical welding is adopted, and welding from the middle to the two sides is not easy to occur vertical deflection and lateral deflection. 2 The use of movable vertical ribs is an effective technological measure to control the deformation of large I-shaped steel corners, which improves work efficiency and saves rib material. The use of angle ribs can prevent the rotation of the T-shaped steel wing plate, thereby ensuring that no large Angle deformation. By adopting the above technological measures, the welding deformation of the large I-beam can be controlled within the requirements of the acceptance code of 507 87 in 3 Town. 42 ginseng 3 20004259 boiler header saddle-shaped pipe joint flux cored wire 002 welding 20004260 medium and low pressure boiler high frequency electric welding steel pipe welding quality control Lai Chunyang welding technology. 2000, 291.48 20004261 High mechanized manufacturing of a full set of high-energy boiler equipment air-tight plates The structural design of the air-tight plate welded joints was studied, and the advantages and disadvantages of its technology were listed. The different shapes of the assembly and welding sequence of the tube group and the plate are analyzed. Describes the material mechanics of welding deformation of 2262 hull segmented structures produced by submerged arc automatic welding in Ukraine Internal stress, adopt effective technological measures, reasonably use welding deformation, and successfully weld the box beam next time from the deformation state. 8

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