Antes de usarmos a v\u00e1lvula gaveta de a\u00e7o fundido pela primeira vez, \u00e9 necess\u00e1rio verificar se a v\u00e1lvula gaveta de a\u00e7o fundido \u00e9 qualificada ou n\u00e3o. No entanto, muitas pessoas n\u00e3o sabem como solucionar problemas no processo de teste. Hoje vamos apresent\u00e1-lo a voc\u00ea.<\/p>\n\n\n\n\n\n
Em primeiro lugar, precisamos testar a press\u00e3o da \u00e1gua para detectar se ela est\u00e1 qualificada ou n\u00e3o. \u00c0s vezes, encontraremos algumas pequenas rachaduras no corpo da v\u00e1lvula que afetar\u00e3o o efeito de uso da v\u00e1lvula gaveta de a\u00e7o fundido. Portanto, \u00e9 necess\u00e1rio consertar essas pequenas fissuras por meio de soldagem.<\/p>\n\n\n\n
Quando h\u00e1 \u00e1gua dentro da v\u00e1lvula gaveta de a\u00e7o fundido, ela n\u00e3o pode ser soldada se a \u00e1gua interna n\u00e3o for limpa primeiro. Al\u00e9m disso, este m\u00e9todo de soldagem \u00e9 dif\u00edcil porque \u00e9 necess\u00e1rio drenar completamente a \u00e1gua antes de soldar. \u00c9 melhor usar soldagem de costura vertical devido \u00e0 sua parte de soldagem mais espessa. Al\u00e9m disso, a quantidade de v\u00e1lvulas gaveta de a\u00e7o fundido no mercado \u00e9 muito pequena. Para um componente de a\u00e7o, n\u00e3o h\u00e1 trincas ap\u00f3s a soldagem.<\/p>\n\n\n\n
Tamb\u00e9m \u00e9 importante notar que hastes de soldagem normais podem ser usadas na soldagem entre a\u00e7o fundido e a\u00e7o carbono normal (como a\u00e7o de baixo carbono). O a\u00e7o inoxid\u00e1vel deve ser combinado com hastes de soldagem.<\/p>\n\n\n\n
A ZECO desenvolveu seu laborat\u00f3rio de P&D para inova\u00e7\u00e3o e valida\u00e7\u00e3o de projetos de v\u00e1lvulas de padr\u00e3o internacional, incluindo testes PT, MTUT e FE. A ZECO \u00e9 uma equipe modesta e unida, com mais dilig\u00eancia e empreendedorismo para mostrar integridade aos clientes. Se voc\u00ea tiver alguma necessidade, entre em contato conosco.<\/p>\n\n\n\n
A soldagem eletrost\u00e1tica \u00e9 um \u00f3timo processo para soldar a\u00e7o fundido porque voc\u00ea tem alto controle sobre o calor da soldagem. \u00c9 \u00f3timo para reparos r\u00e1pidos e trabalhos de campo. Al\u00e9m disso, \u00e9 o melhor processo para soldar metais com superf\u00edcies sujas.<\/p>\n\n\n\n
Se voc\u00ea pretende soldar ferro fundido, siga as quatro etapas a seguir antes de soldar:<\/p>\n\n\n\n
Aprender como soldar a\u00e7o fundido \u00e9 menos desafiador em compara\u00e7\u00e3o com ferro fundido. Isso ocorre porque o a\u00e7o fundido \u00e9 carbono ou liga de a\u00e7o que foi derretido e moldado em um formato espec\u00edfico. No entanto, embora o a\u00e7o fundido tenha propriedades semelhantes \u00e0s do a\u00e7o laminado, algumas diferen\u00e7as dificultam a soldagem.
Embora voc\u00ea possa soldar a\u00e7o fundido usando os processos MIG ou TIG, muitos especialistas em soldagem recomendam soldagem eletromagn\u00e9tica com hastes E7018 para ligas de baixo carbono e hastes de a\u00e7o inoxid\u00e1vel para pe\u00e7as fundidas dif\u00edceis de soldar.<\/p>\n\n\n\n
Um dos problemas da soldagem de a\u00e7o fundido \u00e9 evitar distor\u00e7\u00f5es. Aqui est\u00e3o algumas sugest\u00f5es para ajudar com isso:<\/p>\n\n\n\n
Antes de usarmos a v\u00e1lvula gaveta de a\u00e7o fundido pela primeira vez, \u00e9 necess\u00e1rio verificar se a v\u00e1lvula gaveta de a\u00e7o fundido\u2026 Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":16347,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2249,2176,3973,3974,2834,1946,1834,1943],"class_list":["post-16437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-advantages-of-cast-steel-gate-valve","tag-cast-steel-gate-valve","tag-cast-steel-welding","tag-cracks-cast","tag-fish-plate-welding","tag-flash-weld","tag-stuck-gate-valve","tag-surfacing-weld","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/zeco-china-valve-1024x365.jpg",1024,365,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2249,"name":"advantages of cast steel gate valve","slug":"advantages-of-cast-steel-gate-valve","term_group":0,"term_taxonomy_id":2249,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2176,"name":"cast steel gate valve","slug":"cast-steel-gate-valve","term_group":0,"term_taxonomy_id":2176,"taxonomy":"post_tag","description":"","parent":0,"count":9,"filter":"raw"},{"term_id":3973,"name":"cast steel welding","slug":"cast-steel-welding","term_group":0,"term_taxonomy_id":3973,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3974,"name":"cracks cast","slug":"cracks-cast","term_group":0,"term_taxonomy_id":3974,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2834,"name":"Fish Plate Welding","slug":"fish-plate-welding","term_group":0,"term_taxonomy_id":2834,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET FISH PLATE WELDING INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Fish Plate Welding?<\/h2>\r\n\r\n\r\n\r\n\r\nA fishplate weld is a weld joint used to join two metal plates together. The fishplate weld is a type of fillet weld and is commonly used to join two structural members or rails to give strength to an existing weld underneath. The fishplate weld is created by welding two metal plates together at their edges.\r\n\r\n\r\n\r\n\r\n
Applications of Fish Plate Welding<\/h2>\r\n\r\n\r\n\r\n\r\nFish plates are used widely in trucks to join the truck frame to give additional strength (by reinforcing the frame structure) to the truck frame. But instead of bolting, the fishplate is welded in a truck frame. Fishplate is also used to repairing of cracks in the truck frame.\r\n\r\n\r\n\r\n\r\n
What is the Function of Fish Plate?<\/h2>\r\n\r\n\r\n\r\n\r\nFunctions of Fish Plates are :\r\n\r\n\r\n\r\n\r\n
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What is Flash Welding?<\/h2>\r\n\r\n\r\n\r\n\r\nFlash welding, also called flash butt welding, is a resistance welding process, in which the ends of the workpieces are pressed together and a heavy electric current is passed through the joint during the welding process.\r\n\r\n\r\n\r\n\r\n\r\nIn flash welding, the electrical current is applied to the workpieces before they are brought together so that when they meet arcing (or flashing) takes place.\r\n\r\n\r\n\r\n\r\n\r\nGET FLASH WELD INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Parts of Flash Welding<\/h2>\r\n\r\n\r\n\r\n\r\nThe main parts of the flash welding process are described below \u2212\r\n\r\n\r\n\r\n\r\n
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Flash Welding Process<\/h2>\r\n\r\n\r\n\r\n\r\nTo perform flash welding, technicians will begin by clamping the ends of two pieces in electrode\/clamps and hold the ends close to each other. The power is initiated and an arc is formed across the gap. Then the parts are brought together with force.\r\n\r\n\r\n\r\n\r\n\r\nThe arc continues to heat the two ends as they are pushed together to form a fused joint. During this process flash and expelled material is generated, which is why it is called \u201cflash welding.\u201d This continues for a brief period until a sound joint has been formed then the current is stopped.\r\n\r\n\r\n\r\n\r\n\r\nAfterward, the welders will hold the two pieces together until the weld cools and solidifies. Excess flash must be removed and the weld inspected for any defects.\r\n\r\n\r\n\r\n\r\n
Advantages Of Flash Welding<\/h2>\r\n\r\n\r\n\r\n\r\nBelow are some of the biggest advantages to flash welding:\r\n\r\n\r\n\r\n\r\n
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What Causes Stuck Gate Valve<\/a><\/mark><\/strong>?<\/h2>\r\n\r\n\r\n\r\n\r\nA gate valve not closing completely is typically due to sediment that has built up inside the body of the valve. The sediment becomes lodged between the gate that lowers and the inside of the valve body itself. Ball-type valves do not suffer from this problem, as they operate on a different principle than a gate that raises and lowers inside of the valve body.\r\n\r\n\r\n\r\n\r\n
Gate Valve Stuck Closed<\/h2>\r\n\r\n\r\n\r\n\r\nA gate valve for a property usually has to be closed if plumbing repairs or maintenance are needed inside the building. In some instances, particularly if the main control valve is a gate type valve, the valve may not close completely. In many cases a gate valve repair may be needed. But many times other remedies are available.\r\n\r\n\r\n\r\n\r\n
How to Open a Stuck Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nThe typical reaction when a gate valve will not close fully is to exert additional force on the handle. Using force to close a valve is absolutely the wrong response. Brute force can cause permanent damage to the valve and a loss of water supply to the building. If sediment or mineral deposits are preventing the gate valve from closing fully, there is a more sensible first step to take than brute force.\r\n\r\n\r\n\r\n\r\n\r\nThe first step if a gate valve will not close completely\r\n\r\n\r\n\r\n\r\n\r\nIf sediment or mineral deposits are preventing a gate from closing completely an attempt should be made to flush out the inside of the valve. The proper way to do this is to open a faucet on a sink inside the house so there is a flow of water. Then gently and repeatedly open and close the valve.\r\n\r\n\r\n\r\n\r\n\r\nIf the handle of the valve does not turn freely then loosen the packing nut just above the valve body and around the stem of the valve. Loosening it just one turn should be fine \u2013 just remember to tighten it back up when you are done. Every time you lower the gate some sediment will break free and be flushed away by the water flow. There is absolutely no harm or danger in how many times you do this as long as no excessive force is used.\r\n\r\n\r\n\r\n\r\n
How to Fix a Stuck Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nIf the gate valve becomes jammed or stuck and remains closed, the gate valve stops operating and blocks the water from entering the water tanks. To open a stuck gate value you need to follow the steps suggested below.\r\n\r\n\r\n\r\n\r\n
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What is Surfacing Weld?<\/h2>\r\n\r\n\r\n\r\n\r\nSurfacing welds are welds that you use on surfaces for the purpose of replacement.\r\n\r\n\r\n\r\n\r\n\r\nSurfacing welding performed on a part of a construction equipment\r\n\r\n\r\n\r\n\r\n\r\nUsually, you\u2019ll perform it on surfaces that have been worn out by time, environment, or specific situations.\r\n\r\n\r\n\r\n\r\n\r\nGET SURFACING WELD INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Here is information on Hard Surfacing Welding<\/h2>\r\n\r\n\r\n\r\n\r\nIn the list below we will list a few types of surfacing welding types\r\n\r\n\r\n\r\n\r\n\r\nHard Surfacing (or surface welding) has somehow become a trade secret. It\u2019s an incredibly useful process buried in a mountain of complicated details, surrounded by a circus of welding elite all chanting \u201cyou\u2019re doing it wrong.\u201d We\u2019ll no more, friends. We\u2019re giving you a place to start with our basic guide to the hard surfacing.\r\n\r\n\r\n\r\n\r\n\r\nWhat is hard surfacing? Simply put, it\u2019s literally just welding a reinforced layer to a piece of metal. Generally, surface welding is done on metal surfaces that tend to wear down quicker. We\u2019re talking lawn mower blades, front-end loader buckets, snowmobile skags, or Julia Robert\u2019s toothbrush.\r\n\r\n\r\n\r\n\r\n\r\nHardfacing is a metalworking process where harder or tougher material is applied to a base metal. It is welded to the base material, and generally takes the form of specialized electrodes for arc welding or filler rod for oxyacetylene and gas tungsten arc welding (TIG) welding. Powder metal alloys are used in (PTA) also called powder plasma welding and thermal spray processes like high-velocity oxygen fuel coating (HVOF), plasma spray, spray, fuse, etc.SAW, FCAW, and MIG \/ MAG use continuously fed wire varying in diameter depending on the process and the current Strip cladding process uses strips from 50 mm wide to 125 mm with a thickness of 0.5mm. Open arc welding uses continuously fed tubular electrodes which may or may not contain flux.\r\n\r\n\r\n\r\n\r\n
Applications of Surfacing Weld<\/h2>\r\n\r\n\r\n\r\n\r\nIn various industrial fields surfacing weld is widely used. The industrial fields are listed below,\r\n\r\n\r\n\r\n\r\n
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