{"id":12412,"date":"2021-09-23T02:37:32","date_gmt":"2021-09-23T02:37:32","guid":{"rendered":"https:\/\/duct.harsle.com\/?p=12412"},"modified":"2024-02-27T08:53:34","modified_gmt":"2024-02-27T08:53:34","slug":"fabrication-and-construction-of-sheet-metal-duct","status":"publish","type":"post","link":"https:\/\/duct.harsle.com\/pt\/fabrication-and-construction-of-sheet-metal-duct\/","title":{"rendered":"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de dutos de chapa met\u00e1lica"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Como todos sabemos, os materiais do duto de ar em folha de metal s\u00e3o diferentes e os m\u00e9todos de processamento tamb\u00e9m s\u00e3o diferentes. No entanto, a maioria dos processos de produ\u00e7\u00e3o e instala\u00e7\u00e3o s\u00e3o semelhantes. Na vida real, o mais comum \u00e9 o tubo de ventila\u00e7\u00e3o em chapa de ferro. Devido ao seu m\u00e9todo de processamento mecanizado, tornou-se a primeira escolha mais adequada para a maioria das ocasi\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A seguir, vamos apresentar o processo de produ\u00e7\u00e3o completo do duto de ar da folha de ferro em detalhes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-blanking-and-beading\">Blanking And Beading Sheet Metal Duct<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1. Na oficina de processamento, a espessura da placa de a\u00e7o galvanizado deve ser selecionada de acordo com a lista de materiais preparada do duto de ar, a placa de a\u00e7o galvanizado deve ser carregada na m\u00e1quina de nivelamento e prensagem da estrutura de alimenta\u00e7\u00e3o e a extremidade do a\u00e7o a placa deve ser cortada ap\u00f3s a inicializa\u00e7\u00e3o. Durante a alimenta\u00e7\u00e3o, verifique se a placa de a\u00e7o est\u00e1 inclinada, tente cortar uma placa de a\u00e7o e me\u00e7a se a linha de corte da placa de a\u00e7o cortada \u00e9 perpendicular \u00e0 linha lateral e se a linha diagonal \u00e9 consistente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Insira o comprimento e a quantidade de moldagem na lista de materiais no computador, inicie a m\u00e1quina e o computador cortar\u00e1 e pressionar\u00e1 automaticamente o refor\u00e7o. O material utilizado para o corte da chapa deve ser verificado novamente para evitar erros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. As placas com formatos especiais devem ser cortadas com um HARSLE-4015 <a href=\"https:\/\/duct.harsle.com\/pt\/produto\/automatic-plasma-cutting-machine-table-type\/\">m\u00e1quina de corte de plasma<\/a>, and the sporadic materials shall be cut with on-site electric scissors. When using the fixed dynamic shear, hold the steel plate with both hands, the hand shall not be less than 5cm away from the knife-edge, and the force shall be uniform and appropriate. Sheet Metal Duct<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chanfro e travamento<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For the sheet metal air ducts connected by bite, the bite width and allowance are determined according to the plate thickness. The bite width is shown in the table below\uff1a Sheet Metal Duct<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Espessura da folha \uff08mm\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">Largura de bloqueio de \u00e2ngulo (mm)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Largura de bloqueio plano (mm)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">0.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">8 \uff5e 10<\/td><td class=\"has-text-align-center\" data-align=\"center\">7 \uff5e 8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1,0 \uff5e 1,2<\/td><td class=\"has-text-align-center\" data-align=\"center\">10 \uff5e 12<\/td><td class=\"has-text-align-center\" data-align=\"center\">9 \uff5e 10<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"> 1.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">12 \uff5e 14<\/td><td class=\"has-text-align-center\" data-align=\"center\">10 \uff5e 11<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"473\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making.jpg\" alt=\"Sheet Metal Duct\" class=\"wd-lazy-fade wp-image-12414\" style=\"width:800px;height:473px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making.jpg 800w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making-300x177.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making-768x454.jpg 768w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making-18x12.jpg 18w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-making-150x89.jpg 150w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Usinagem de flange<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Connection method of angle steel flange: the flange is assembled and welded by four-angle steel. During marking and blanking, it shall be noted that the inner diameter of the welded flange shall not be less than the outer diameter of the air duct, and shall be cut off by the grinding wheel cutter according to the line; After blanking and straightening, put it on the drilling machine to drill rivet holes and bolt holes. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The hole spacing of the ventilation and air conditioning system shall be greater than 150m, and the hole spacing of the smoke exhaust system shall not be greater than 100mm. The punched angle steel shall be evenly divided and placed on the welding platform for welding. During welding, it shall be clamped and flattened according to the molds of various specifications. After welding, bolt holes shall be drilled on the bench drill; The bolt hole spacing is the same as the rivet hole spacing and evenly distributed. Sheet Metal Duct<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dobramento de duto de ar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The sheet metal after undercut shall be placed on the folding machine according to the drawn folding line and placed on the centerline of the lower die. During operation, make the centerline of the upper folded square piece of the machine coincide with the center of the lower die and fold it into the required angle. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When folding, they shall cooperate with each other and keep a certain distance from the folding machine to avoid being hurt by the overturned steel plate or counterweight.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Costura de duto de ar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O duto de ar de folha de metal acabado por morder deve ser costurado com uma m\u00e1quina de costura el\u00e9trica manual. A apar\u00eancia do duto de ar costurado deve ser reta, o arco deve ser uniforme, as duas extremidades devem ser paralelas sem \u00e2ngulo de deforma\u00e7\u00e3o e a superf\u00edcie c\u00f4ncava-convexa n\u00e3o deve ser maior que 5 mm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Instale o flange angular<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quando a folha de metal <a href=\"https:\/\/www.epa.gov\/indoor-air-quality-iaq\/should-you-have-air-ducts-your-home-cleaned\" target=\"_blank\" rel=\"noopener\">ducto de ar<\/a> s\u00e3o combinados com o flange, o desvio permitido \u00e9 mostrado na tabela abaixo:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Comprimento<\/td><td class=\"has-text-align-center\" data-align=\"center\">Desvio<\/td><td class=\"has-text-align-center\" data-align=\"center\">Desvio permitido dentro do flange<\/td><td class=\"has-text-align-center\" data-align=\"center\">Desvio de planura permitido<\/td><td class=\"has-text-align-center\" data-align=\"center\">Desvio Diagonal Permitido<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u2264300mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">-1 \uff5e 0mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">+ 1 \uff5e + 3mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">2mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u22643mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u2265300mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">-2 \uff5e 0mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">+ 1 \uff5e + 3mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">2mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u22643mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel.jpg\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12415\" style=\"width:664px;height:443px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel.jpg 600w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-300x200.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-18x12.jpg 18w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/angle-steel-150x100.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Before riveting the sheet metal air duct and the flange, the technical quality shall be reviewed first. After it is qualified, the flange shall be sleeved on the air duct. The straight line of the air duct shall be perpendicular to the flange plane, and then the hydraulic rivet pliers or manual eye clamp shall be used for 5 \u00d7 10 rivets the air duct and turn it around; Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The flange\u00a0shall be flat, not less than 6mm, the four corners shall be leveled, and there shall be no gap to avoid air leakage. The minimum thickness of the plate and the minimum specification of the hanger are as follows:Sheet Metal Duct<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Comprimento do duto de ar B<\/td><td class=\"has-text-align-center\" data-align=\"center\">Duto redondo<\/td><td class=\"has-text-align-center\" data-align=\"center\">Duto Retangular<\/td><td class=\"has-text-align-center\" data-align=\"center\">Duto de exaust\u00e3o de fuma\u00e7a<\/td><td class=\"has-text-align-center\" data-align=\"center\">Di\u00e2metro da lan\u00e7a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00c2ngulo de a\u00e7o<\/td><td class=\"has-text-align-center\" data-align=\"center\">U-Steel<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">B\u2264320<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">25 \u00d7 3<\/td><td class=\"has-text-align-center\" data-align=\"center\">40 \u00d7 20 \u00d7 1,5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">320 \uff1c B\u2264630<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">25 \u00d7 3<\/td><td class=\"has-text-align-center\" data-align=\"center\">40 \u00d7 40 \u00d7 2,0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">630 \uff1c B\u22641000<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">30 \u00d7 4<\/td><td class=\"has-text-align-center\" data-align=\"center\">40 \u00d7 40 \u00d7 2,0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000 \uff1c B\u22642000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">40 \u00d7 4<\/td><td class=\"has-text-align-center\" data-align=\"center\">60 \u00d7 40 \u00d7 2,0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2000 \uff1c B\u22644000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">50 \u00d7 5<\/td><td class=\"has-text-align-center\" data-align=\"center\">60 \u00d7 40 \u00d7 2,0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Etapas de constru\u00e7\u00e3o<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"520\" height=\"608\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/progress-of-making-air-duct.png\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12416\" style=\"width:586px;height:686px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/progress-of-making-air-duct.png 520w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/progress-of-making-air-duct-257x300.png 257w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/progress-of-making-air-duct-10x12.png 10w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/progress-of-making-air-duct-150x175.png 150w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Flange TDF<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The common plate flange has the characteristics of low cost, good sealing performance, and convenient and simple installation. It is especially suitable for the production of ventilation pipes with a small cross-sectional area. Because the flange is bent by the galvanized steel plate itself, it has the advantages of being lightweight, good sealing, and convenient manufacture and installation. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The basic requirements are the same as the angle steel flange air duct. The basic requirements for the manufacture of a common plate flange air duct are the same as that of an angle steel flange air duct. After the plate impact angle and bite, it enters the common plate flange machine to press the flange. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The semi-finished products after pressing the flange shall be transported to the construction site, the flange corners shall be folded, stitched, and installed, the flange surface shall be leveled, the diagonal error of the air duct shall be inspected, and finally, the four corners shall be sealed with sealant. Sheet Metal Duct<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fabrica\u00e7\u00e3o de duto de ar de a\u00e7o inoxid\u00e1vel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When making a stainless steel sheet metal air duct, the plate shall be spliced by argon arc welding. During welding, the welding materials shall be matched with the base metal, and the surface shall be prevented from being polluted by welding spatter. After welding, the welding slag and spatter shall be removed. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After the fabrication of the air duct, all welds shall be pickled and passivated to prevent rust. The minimum thickness of stainless steel air duct plate and flange specification are as follows: Sheet Metal Duct<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Comprimento do duto de ar B<\/td><td class=\"has-text-align-center\" data-align=\"center\">Espessura da folha inoxid\u00e1vel \uff08mm\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tipo de a\u00e7o angular<\/td><td class=\"has-text-align-center\" data-align=\"center\">Especifica\u00e7\u00e3o de Parafuso<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">B\u2264320<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">25 \u00d7 3<\/td><td class=\"has-text-align-center\" data-align=\"center\">M6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">320 \uff1c B\u2264630<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">25 \u00d7 3<\/td><td class=\"has-text-align-center\" data-align=\"center\">M6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">630 \uff1c B\u22641000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">30 \u00d7 4<\/td><td class=\"has-text-align-center\" data-align=\"center\">M8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000 \uff1c B\u22642000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">40 \u00d7 4<\/td><td class=\"has-text-align-center\" data-align=\"center\">M8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2000 \uff1c B\u22644000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">50 \u00d7 5<\/td><td class=\"has-text-align-center\" data-align=\"center\">M10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Todas as conex\u00f5es entre o duto de ar de a\u00e7o inoxid\u00e1vel adotam a conex\u00e3o de flange. O flange \u00e9 feito de a\u00e7o plano de a\u00e7o inoxid\u00e1vel e a conex\u00e3o entre o flange e o duto de ar adota a soldagem a arco de arg\u00f4nio.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-1024x575.jpg\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12417\" style=\"width:-118px;height:-66px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-1024x575.jpg 1024w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-300x169.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-768x431.jpg 768w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-18x10.jpg 18w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct-150x84.jpg 150w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/ventilation-duct.jpg 1166w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Opera\u00e7\u00e3o de duto de ar condicionado limpo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The manufacturing sequence of ventilation pipes, fittings, and components is plate handling, cleaning oil stain, making bite, folding, removing oil stain on the surface, combined riveting forming, scrubbing the inner surface, inspecting the closed nozzle, and stacking of finished products. Control points of ventilation duct fabrication and processing technology: Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. A placa deve ser fornecida com um certificado de material e a inspe\u00e7\u00e3o de apar\u00eancia deve ser plana, lisa, livre de arranh\u00f5es e descascamento da camada de zinco e atender aos requisitos de projeto, caso contr\u00e1rio, n\u00e3o deve ser utilizada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Before processing, remove the oil stain on the plate and do one touch, two wipes, and three checks to ensure that the oil stain is completely removed. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. No processo de beneficiamento, a fim de evitar que a chapa de ferro seja riscada e desgastada, danificando a camada de zinco, ou contaminada com poeira, uma placa de borracha de 3 mm de espessura \u00e9 pavimentada sobre o piso de cimento liso, e \u00e9 realizado o apagamento na placa de borracha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. When cutting, undercutting, splicing, folding, and transporting sheet materials, the storage rack or four-wheel trolley shall be used to receive and transfer the materials, and shall not touch the ground and drag; Semi-finished products are stacked on the platform with a rubber plate. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. Key points of flange processing control: the profile must meet the high-quality standard and shall not be rusted, skinned, or pitted; The flatness of the flange welding joint shall not be greater than 0.5mm, the rivets must be galvanized, the rivet spacing shall not be greater than 100mm (screw hole spacing shall not be greater than 12mm), the hole spacing shall be accurate and interchangeable; Welding slag, welding spatter and floating rust shall be completely removed; Apply anti-rust primer with strong adhesion for two times, and there shall be no paint dripping in screw holes and corners. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6. For the combination of semi-finished products of inner pipes, components, and accessories, the dirt at the site shall be removed first. After the combination riveting, the gaps and holes shall be blocked with glue or tin. The flange\u00a0width is consistent, greater than 7mm, and the screw hole is not covered; The flatness is less than 1mm. The finished products shall be stored horizontally by category, and attention shall be paid to protect the paint from wear; For the air duct to be reinforced, the stiffener is only allowed to be set on the outer wall. Sheet Metal Duct<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"764\" height=\"498\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-packaging-1.jpg\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12419\" style=\"width:667px;height:434px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-packaging-1.jpg 764w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-packaging-1-300x196.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-packaging-1-18x12.jpg 18w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-packaging-1-150x98.jpg 150w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7. Os componentes e acess\u00f3rios do duto de ar s\u00e3o fabricados na forma de mordida \u00fanica, mordida de canto, mordida de junta, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">8. When making the sheet metal air duct, the material shall be cut according to the plate to minimize the joints. The specific provisions are as follows: there shall be no joints within 800mm of the bottom edge width of the rectangular air duct, there shall be only one joint within 800mm-1000mm, and there can be two joints within 2400mm. Transverse splicing is prohibited for all the above dimensions, and the ratio of the long side to the short side of the rectangular air duct shall not be greater than 4:1; Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The butt joint shall be of a single flat type. Pay attention to placing the flat surface of the butt joint on the inner wall of the pipe without reversal during the corner butt joint; The flexible short pipe shall be made of a soft rubber plate or high-quality artificial leather. The inner wall shall be smooth, the longitudinal joint shall be glued smoothly, and there shall be no holes or glue leakage gaps. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9. Cleaning of air duct: the cleaning of the air duct is particularly important. Generally, the galvanized steel plate has not been decreased, and the surface of the steel plate is coated with a large amount of grease. If it is not cleaned, it will be contaminated with dust during transportation, installation, and subsequent operation. During long-term use, it may lead to dust accumulation and flying, resulting in a sudden increase in the dust concentration in the air in front of the filter, This has a very adverse impact on the use of high-efficiency filters. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cleaning is mainly dust removal and degreasing. Clean water or pure water plus neutral cleaning agent shall be used for dust removal, and trichloroethylene or industrial alcohol shall be used for degreasing. Sheet Metal Duct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sequ\u00eancia de limpeza: limpe com \u00e1gua limpa ou \u00e1gua pura, lave com o agente de limpeza neutro, use tricloroetileno ou \u00e1lcool industrial com \u00e1gua redutora ou \u00e1gua pura para lavar o pano limpo, esfregue um pano de seda branco para inspe\u00e7\u00e3o (\u00e9 qualificado se n\u00e3o mudar de cor) .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O duto de ar qualificado deve ser selado com filme pl\u00e1stico imediatamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10. Ap\u00f3s o duto de ar ser processado e fabricado, ele deve ser inspecionado cuidadosa e exaustivamente. Depois de passar pela inspe\u00e7\u00e3o de entrega e aceita\u00e7\u00e3o, ele deve ser selado com filme pl\u00e1stico flex\u00edvel de alta qualidade. A parte de veda\u00e7\u00e3o deve ser firmemente amarrada com fita adesiva e, em seguida, empilhada por categoria.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/air-duct-1.jpg\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12420\" style=\"width:676px;height:380px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/air-duct-1.jpg 750w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/air-duct-1-300x169.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/air-duct-1-18x10.jpg 18w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/air-duct-1-150x84.jpg 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Instala\u00e7\u00e3o de Duto de Ar FRP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1. Para conex\u00e3o de flange de duto de ar FRP, o espa\u00e7amento do parafuso do flange n\u00e3o deve ser maior que 120 mm, o espa\u00e7amento do flange deve ser uniforme, o flange deve ser plano e a espessura da gaxeta do flange deve ser de 3 ~ 5 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Quando o comprimento do duto de ar FRP exceder 20m, deve-se adicionar pelo menos um suporte fixo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Os parafusos de conex\u00e3o do duto de ar FRP s\u00e3o parafusos galvanizados e gaxetas planas galvanizadas s\u00e3o adicionadas em ambos os lados dos parafusos de flange.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. A planura do flange do duto de ar de FRP n\u00e3o deve ser maior que 3 mm, o desvio do tamanho do duto de ar n\u00e3o deve ser maior que 3 mm e o desvio diagonal do tamanho n\u00e3o deve ser maior que 5 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. A conex\u00e3o entre o duto de ar FRP e a sa\u00edda de ar n\u00e3o deve ser aberta no local, mas deve ser pr\u00e9-fabricada durante o processamento e a fabrica\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Refor\u00e7o de duto de chapa de metal<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1. Quando o tamanho do lado grande do duto de ar da folha de metal \u00e9 de 630 ~ 1000 mm, o refor\u00e7o deve ser pressionado diretamente na linha de produ\u00e7\u00e3o, o arranjo deve ser regular, o espa\u00e7amento deve ser uniforme e a superf\u00edcie da placa n\u00e3o deve ter deforma\u00e7\u00e3o \u00f3bvia .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Quando o tamanho do lado grande do duto de ar \u00e9 maior que 1000 mm, cantoneiras de a\u00e7o, a\u00e7o plano, tubo de a\u00e7o, ranhura em z, barra de refor\u00e7o, parafuso de arame, etc. podem ser usados para refor\u00e7o interno e externo do duto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Para o refor\u00e7o de cantoneiras de a\u00e7o ou barra de refor\u00e7o, sua altura deve ser menor ou igual \u00e0 altura do flange do duto de ar, o arranjo deve ser organizado, o espa\u00e7amento deve ser uniforme e sim\u00e9trico e n\u00e3o deve ser maior que 220 mm, e a rebitagem com duto de ar deve ser firme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. O tubo deve ser apoiado e refor\u00e7ado com parafuso de arame. Sua junta especial deve ser colocada na parede interna do tubo de ar de isolamento externo. Para tubo de ar sem isolamento ou tubo de ar com isolamento interno, deve ser colocado na parede externa do tubo de ar. O parafuso de passagem deve ser colocado no centro do tubo de ar. Quando a se\u00e7\u00e3o transversal do tubo de ar for grande, um parafuso de arame passante deve ser adicionado em ambos os lados pr\u00f3ximos ao flange para suporte e refor\u00e7o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. Quando a se\u00e7\u00e3o do duto de ar for maior que 1250 * 630, a fim de manter as paredes adjacentes perpendiculares entre si, um suporte inclinado de 90 \u2103 deve ser usado nos quatro cantos do duto de ar para refor\u00e7o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6. Quando o comprimento do duto de ar de m\u00e9dia press\u00e3o e do sistema de alta press\u00e3o for maior que 1250 mm, uma moldura de refor\u00e7o deve ser usada para refor\u00e7o.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"790\" height=\"593\" src=\"https:\/\/duct.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install.jpg\" alt=\"Fabrica\u00e7\u00e3o e constru\u00e7\u00e3o de v\u00e1rios dutos de ventila\u00e7\u00e3o\" class=\"wd-lazy-fade wp-image-12421\" style=\"width:676px;height:506px\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install.jpg 790w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install-300x225.jpg 300w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install-768x576.jpg 768w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install-16x12.jpg 16w, https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/Duct-install-150x113.jpg 150w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Diferentes ocasi\u00f5es fazem com que a parte do projeto de produ\u00e7\u00e3o escolha diferentes materiais e diferentes tipos de tubos de ventila\u00e7\u00e3o. No entanto, devido \u00e0 semelhan\u00e7a do duto de ventila\u00e7\u00e3o, descobriremos que n\u00e3o importa como o duto de ar evolua, sua estrutura b\u00e1sica e elementos de suporte s\u00e3o fixos. Isso tamb\u00e9m determina a alta relev\u00e2ncia da produ\u00e7\u00e3o, processamento e instala\u00e7\u00e3o de dutos de ar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Somente seguindo razoavelmente as etapas de produ\u00e7\u00e3o e instala\u00e7\u00e3o pode-se melhorar a efici\u00eancia do projeto.<\/p>","protected":false},"excerpt":{"rendered":"<p>As we all know, the materials of the sheet metal air duct are different, and the processing methods are also<\/p>","protected":false},"author":1,"featured_media":12422,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[123,200],"tags":[181,297,300,182,201],"class_list":["post-12412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-duct-machine","category-ventilation-duct","tag-air-duct-machine","tag-air-duct-production","tag-galvanized-sheet-ventilation-duct","tag-hvac-air-duct","tag-ventilation-duct"],"jetpack_featured_media_url":"https:\/\/duct.harsle.com\/wp-content\/uploads\/2021\/09\/duct-structure-diagram.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/posts\/12412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/comments?post=12412"}],"version-history":[{"count":0,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/posts\/12412\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/media\/12422"}],"wp:attachment":[{"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/media?parent=12412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/categories?post=12412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/duct.harsle.com\/pt\/wp-json\/wp\/v2\/tags?post=12412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}