Ji-Ning contact 7 tenders pipeline welding quality control and management process
Root pass weld burn Pitt name,
ed hardy rea, production and application of Yang Xianghai: Ji-Ning contact 7 tenders pipeline welding quality control and management process through the first five and pillow melting, as the use of fast wire feed speed and welding voltage match , the premise of guaranteeing quality to improve welding speed. 9,
abercrombie danmark,, - ~ I90 l Figure 6 by heat welding methods of operation (2) If during the heat welding the root weld burn, they should immediately stop welding, using the same method with the root welding repair welding, to ensure that the quality problems before the site is not self-cored welding. (3) Hot welding and welding time interval between the root should not be too long, should be asked to keep the temperature between the two layers above the 100cC. 3.3 fill layer welding (1) fill layer in the welding process after the drag torch angle shown in Figure 5, while the torch in the welding process should be appropriate to facilitate the increase in weld width of the horizontal swing, the groove on both sides of the full fusion. While Yang welding parts welding voltage may be increased or reduced wire feed speed, to avoid the area produced a convex weld, under the influence of a process carried out. (2) after completing the filling layer welding (before capping), fill in the actual situation as established welding,
tory burch uk, should be thick and less rigid welded layers. (3) filled with hot solder layer between the solder temperature should be above the 100cC. 4 cover the surface layer of the welding (1) to ensure the welding quality levels under the premise of capping,
ralph lauren danmark, the key is to ensure that the weld width on each side of the base metal than the groove widened 0.5-2.0mm, more than high control in 0.5 ~ 2.0mm under the premise,
franklin marshall milano, as far as possible the use of narrow weld. Good control of the process parameters in order to avoid surface defects. (2) Cover the surface layer of solder point shown in Figure 6, fill the layer with the technical requirements of welding the same welding parameters in Table 2.5 Quality management process throughout the construction process of the weld quality of dynamic management and strict control of people ,
ed hardy suomessa, machine, material, method, five elements. 5.1 The manager is the person to participate in the production of welding welder. (1) taking into account the actual situation of our team (1 monitor in addition to welders, the rest are just graduated from school a welder without experience in actual production), and only used by the squad of welders welders centralized management, so as to facilitate the dynamic process of quality management. (2) do a good job Awareness of the whole production, the actual operating level. (3) can not be ignored welders emotional impact on the quality of the weld, the squad leader to identify problems immediately and fully understand the ideological dynamics of every welder, found that emotional and ideological work should do immediately; also started the day before welders sense of quality education, after-hours on the day the quality problems to the welder and then targeted to explain. (4) strict implementation of the construction process,
ralph lauren skjorter, the transfer system, that is layered welding, decentralized, to ensure that each layer of weld quality. 5.2 unit management unit is referred to welding equipment. The configuration of power equipment, use, maintenance management by hand, the key equipment, particularly mobile station in the pre-construction investment in the equipment capacity to identify,
ouverture abercrombie paris, to ensure that equipment to meet production requirements. Each device to the people, fill out the equipment operating records,
ed hardy suomessa, from the electrical equipment for routine maintenance and regular wire machine wire feeding gear and wire hose to clean and purge to ensure weld quality, increase production efficiency. 5.3 The management of material means material welding material. Strict control of the custody and use of welding consumables, to be used on-site welding wire, welding rod should be in storage before the relevant provisions of acceptance, do not meet the requirements of the material should be ready to identify and record the acceptance of qualified welding materials categorized approved storage. Once the recipients of the phenomenon of welding consumables are damp or rust should be immediately suspended and returned to the Treasury, the classification process, the day of unused welding consumables should be ready to deal with moisture. 5.4 Management Act is the law of the welding process and methods. Before the construction of the welding process used and methods of this every welder, and the process method for producing the card attached to the mobile station or a shed on the wind, so that welders can be selected in time for their own school of the process parameters experience. End of day not welded to the weld, must be completed not less than 5O% 3-layer pipe wall thickness and weld on the unfinished joint with a dry, waterproof, heat insulation materials covered by the next day before welding, preheating should be welding procedures to the required temperature. 5.5 Central Management Central is the construction site environmental management. Strict implementation of the construction site HSE regulations, the area in the construction of all construction equipment and welding equipment, cables and other neat and orderly arrangement, but with a wind shelter to the welder, welder in the sense of quality to produce a visual sense. 6 Conclusion Through the above measures, the construction,
abercrombie paris, the subjects outside the weld inspection time pass rate of 100%, a ray passing rate 99.98%. Equipment and good attendance rate of 100%.
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