中文
Multi-function laser processing machine computer control system for linear motor high-speed feeding system performance optimization seminar large sculptured surface parts NC programming technology reaming and reamer fundamental concept of processing long crankshaft servo grinding technology Butt Gap on tantalum sheet TIG helium arc weld pool shape of Numerical Analysis on a dedicated machine to carry out the difficulties of laser cut solder puzzle craft fatigue behavior of the application of CNC machining in the car, home disposal of ways to buy single-phase electronic energy meter to pay attention to matters of domestic mechanical CAD China tool for enterprises to carry out the design of the current situation of the future analysis of the harmonic movement of the offline programming of robot arc welding system complete CNC punch press program design process and dispose of Introduction to CNC machine classification Introduction to Chongqing Machine Tool shaving machine column country focus on new products mechanical term strategy to consider Sandvik Coromant introduces new grades of cast iron milling into why the valve market mainstream products? programming of CNC milling and process analysis of [tag: tag] SMAW look under the mask and stop operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode to the positive, the arc is short, do not fast welding speed, trying to average. Workpiece prior to welding joints on both sides of 20mm within the
SMAW is to look under the mask and stop operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode to the positive, the arc is short, do not fast welding speed, trying to average.
Prior to welding, liquidation of the workpiece joints on both sides of 20mm within the exterior clean (eliminate rust, oil, water), and the electrode end of the metal core exposed in order to stop the short-circuit arc. Arc approach has two kinds of percussion and friction law; which the friction law analogy is easy to control, suitable for beginners arc operation.
1. Arc
The fundamental operation of SMAW Technical Summary: Multi-function laser processing machine computer control system for linear motor high-speed feed system performance optimization discuss large-scale sculpture surface parts of NC programming the key reaming and reamer fundamental concept processing long crankshaft with TIG helium arc welding of tantalum sheet impact of the molten pool shape moving grinding technology Butt Gap Numerical Analysis on a dedicated machine to carry out the difficulties laser cut welding puzzle craft fatigue behavior of CNC machining in the car rear disposal ways to buy single-phase Electronic Energy Meter attention to matters of domestic mechanical CAD design offline programming of robot arc welding process analysis of complete CNC punch press program design process of the harmonic movement and disposal of Introduction to CNC machine tools classified Introduction Chongqing Machine Tool shaving machine are listed in the future kingdom of key new products machinery term the current situation to carry out strategic tool enterprises in China to consider Sandvik Coromant introduced new grades of cast iron milling into why the valve market mainstream products? programming of CNC milling and process analysis of [tag: tag] electrode arc welding in the mask view and stop the operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode to the positive, the arc is short, do not fast welding speed, trying to average. Workpiece prior to welding joints on both sides of 20mm within the
SMAW is to look under the mask and stop operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode to the positive, the arc is short, do not fast welding speed, trying to average.
Prior to welding, liquidation of the workpiece joints on both sides of 20mm within the exterior clean (eliminate rust, oil, water), and the electrode end of the metal core exposed in order to stop the short-circuit arc. Arc approach has two kinds of percussion and friction law; which the friction law analogy is easy to control, suitable for beginners arc operation.
(1) scratch --- first electrode at the weldment, then scratch like program match in weldments appearance quietly ignited arc Aluminium Welding Rod, and then move to the electrode lift the 2-4mm, and stable extinguished.
(2) alignment of the percussion method --- the electrode end of the weldment, and then trick the next bend, so that the electrode subtle touch weldment, and then move to the will filed 2 ~ 4mm welding rod ignited the arc after trick flat, so that the arc Ensure stability extinguished. This arc approach does not make welding pieces of the appearance of scratches, but also not subject to the limitations of the the weldment appearance of size, shape, so the arc approach is mainly used in the consumer. But the operation is difficult to control, need to progress the proficient level.
Arc required to pay attention to the following matters:
1) arc Department should be no oil, water, rust, in order to avoid pores and slag.
2) electrode in contact with the weldment increase speed to be appropriate, too fast, difficult to arc, the slow welding wire and stick together to form a short circuit.
(2) transported Article
The transport bar is the most important aspects of the welding process, which directly affects the forming and the intrinsic quality of the weld surface. Ordinary circumstances, after the arc ignition electrode there are three fundamental movement: direction toward the bath gradually taken to gradually move along the welding direction, horizontal swing.
Electrode toward the bath the direction of gradually sent - both to add to the bath metal, in order to continue to adhere to a certain degree of arc length, in the condensation of the electrode and thus electrode feeding speed should be the same as the speed of condensation with the electrodes. Otherwise, the attack off the arc, or stick on the weldment.
Electrode move along the welding direction --- as the electrode from time to time condensation, and gradually form a weld. Electrode moving too slow, the weld is too high, too wide, the shape is not uniform, the onset of burn-through phenomenon when welding sheet metal; the moving speed of the electrode is too fast, the electrode and the weldment will condense the uneven weld bead narrow, as well as episodes of incomplete penetration phenomenon. Electrode move should be moving direction at 70-80 degree angle, so that the condensation of metal and slag into the front of, or slag flow of arc in front of the formation of defects such as slag. (1) scratch --- first electrode at the weldment, then scratch like program match in weldments appearance quietly ignited arcWelding Rod, and then move to the electrode lift the 2-4mm, and stable extinguished.
(2) alignment of the percussion method --- the electrode end of the weldment, and then trick the next bend, so that the electrode subtle touch weldment, and then move to the will filed 2 ~ 4mm welding rod ignited the arc after trick flat, so that the arc Ensure stability extinguished. This arc approach does not make welding pieces of the appearance of scratches, but also not subject to the limitations of the the weldment appearance of size, shape, so the arc approach is mainly used in the consumer. But the operation is difficult to control, need to progress the proficient level.
I have one of the main research units engaged in welding materials and processes research, with a strong strength of welding technology. Back in the early 1960s, I developed a first generation of CO2 gas shielded welding wire. The mid-1970s because of the first development in the country 0Cr13Ni4 ~ the 6Mo turbine dedicated martensitic stainless steel electrode and the welding process and successfully applied to the Yangtze Gezhouba project, and won the national scientific and technological progress. I is also the earliest in the research units of the flux cored wire developed China's first introduction of the flux cored wire production line (the 1980s) is a comprehensive technical support provided by me. These results are groundbreaking to fill the many welding technology gaps.
Welding is a cross-disciplinary performance of welding materials being affected by many factors, welding materials, research and innovation, not only to master the science and technology in the industry, latest developments, but also comprehensive and correct understanding of the needs of users. The development of welding consumables in a high-tech, must be combined with the practical needs of users to constantly improve, so as to make the products to maximize the performance, giving users the best benefits. The combination of our product development experience to better illustrate this point.
0Cr13Ni4 ~ 6Mo turbine dedicated martensitic stainless steel electrode is I have developed Yangtze Gezhouba project, which began simply a scientific research, and later, after research we found that the flow parts of the hydropower plant is often a large area of ​​abrasion.Welding Electrode Manufacturers to be continuous, and therefore a great need for excellent performance of an anti-abrasion, but also suitable for use in the wet generator pit and all-positionWelding Fluxof good electrode. Through continuous research and improvement, this electrode has been well adapted to the work environment of the hydroelectric power station, has many unique advantages: ①anti-wear and cavitation excellent. ② Anti stomatal great capability, without drying it will not appear stomata. ③ all-position welding performance, especially for turbine welder conditions. ④ anti-redness excellent performance, to ensure that the electrode is not red, not peeling, improve utilization and welding efficiency of the electrode. The ⑤ spatter, smoke, and significantly improved the working environment of welders.
After years of efforts to promote this series of electrode has been applied in most large and medium-sized hydropower stations, by the majority of users, and achieved good economic and social benefits. In addition, according to the needs of users, I have also begun to develop with this electrode corresponding ER415RL martensitic stainless steel wire, and has been successfully applied to the world-famous Three Gorges Project.
In addition to stainless steel welding materials, we have independently developed a variety of hardfacing electrodes and flux cored wire products, these products are developed according to the needs of users, has been widely used in metallurgy, electric power, building materials industries, which the performance of a number of products to meet or exceed the level of similar products of the large foreign companies.
Welding consumables product development must be built on the basis of market demand and to continue to the product improvement, which requires researchers to not only have strong technical strength, but to truly understand the user site and use requirements. In addition, in order to make the product special welding consumables products to effectively promote the application, you must provide users with perfect welding technology services, this and the development of new products are equally important, namely the high-tech content of products - the continuous improvement of product performance - high quality technical services, such as these points, welding consumables manufacturing enterprises will be able to remain invincible.
