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What are the factors affecting the stability of the welding arc
by admin on 23-11-16
Xinfa welding equipment has the characteristics of high quality and low price. For details, please visit: Welding & Cutting Manufacturers – China Welding & Cutting Factory & Suppliers (xinfatools.com) The factors that affect the stability of the welding arc mainly include the f...
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One article will help you easily understand welding defects – lamellar cracks
by admin on 23-11-16
As the most harmful type of welding defect, welding cracks seriously affect the performance, safety and reliability of welded structures. Today, I will introduce you to one of the types of cracks – lamellar cracks. Xinfa welding equipment has the characteristics of high quality and low pri...
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It takes hardship and patience, but it is not difficult to get started as a welder
by admin on 23-11-16
Xinfa welding equipment has the characteristics of high quality and low price. For details, please visit: Welding & Cutting Manufacturers – China Welding & Cutting Factory & Suppliers (xinfatools.com) Welding is a relatively high-paying profession and a skilled trade. Attracted...
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Difficulties and operating methods of mirror welding
by admin on 23-11-06
1. Original record of mirror welding Mirror welding is a welding operation technology based on the principle of mirror imaging and uses mirror-assisted observation to control the welding operation process. It is mainly used for welding of welds that cannot be directly observed due to the narrow w...
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28 questions and answers on welding knowledge for advanced welders(2)
by admin on 23-11-06
15. What is the main function of gas welding powder? The main function of welding powder is to form slag, which reacts with metal oxides or non-metallic impurities in the molten pool to generate molten slag. At the same time, the generated molten slag covers the surface of the molten pool and iso...
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28 questions and answers on welding knowledge for advanced welders(1)
by admin on 23-11-06
1. What are the characteristics of the primary crystal structure of the weld? Answer: The crystallization of the welding pool also follows the basic rules of general liquid metal crystallization: the formation of crystal nuclei and the growth of crystal nuclei. When the liquid metal in the weldin...
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The top ten problems that are most easily overlooked in welding. Details determine success or failure. Please read it patiently.
by admin on 23-11-01
There are many things that need to be paid attention to during the welding process. If ignored, it may lead to big mistakes. Details determine success or failure, please read it patiently! 1 Don’t pay attention to choosing the best voltage during welding construction [Phenomena] During welding, ...
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How to weld heat-resistant steel The welding process is here to tell you
by admin on 23-11-01
Heat-resistant steel refers to steel that has both thermal stability and thermal strength under high temperature conditions. Thermal stability refers to the ability of steel to maintain chemical stability (corrosion resistance, non-oxidation) under high temperature conditions. Thermal strength r...
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Causes and preventive measures of welding pores in J507 electrode
by admin on 23-11-01
Porosity is the cavity formed when the bubbles in the molten pool fail to escape during solidification during welding. When welding with J507 alkaline electrode, there are mostly nitrogen pores, hydrogen pores and CO pores. The flat welding position has more pores than other positions; there are...
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The difference between fixed welding joints, rotating welding joints and prefabricated welding joints in pipeline welding
by admin on 23-10-27
No matter where the welding joint is, it is actually an accumulation of welding experience. For beginners, simple positions are the basic exercises, starting with rotating ones and then moving on to fixed position exercises. The counterpart to fixed welding in pipeline welding is rotational weldi...
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Detailed explanation of spot welding process
by admin on 23-10-26
01.Brief description Spot welding is a resistance welding method in which welding parts are assembled into lap joints and pressed between two electrodes, using resistance heat to melt the base metal to form solder joints. Spot welding is mainly used in the following aspects: 1. Overlap of thin pl...
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After working for so many years, I may not be able to really explain the difference between CO2, MIGMAG and pulsed MIGMAG!
by admin on 23-10-23
The concept and classification of gas metal arc welding The arc welding method that uses a molten electrode, external gas as the arc medium, and protects the metal droplets, welding pool and high-temperature metal in the welding zone is called molten electrode gas shielded arc welding. According...
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