酚醛复合风管施工工艺

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1、酚醛风管施工工艺酚醛复合风管施工工艺ConstructiontechnologyofPhenolicaldehydeCompositewindpipe一、放样工艺过程一、Loftingprocess1、细解风管施工图，确定空调设备及风管各部件的安装位置，将风管系统拆解为直风管、弯、变径、三通、四通等等；1.Explaintheproductiondrawingofthewindpipeindetail,makesuretheinstallationpositionofair-conditioningequ

2、ipmentandeachpartofwindpipe,andtakeapartthewindpipesystemintostraightduct,curve,reducing,triplet,cross,etc;2、确定各直风管及异型管的合理长度和数量；2.Makesurethereasonablelengthandquantityofeverystraightductandspecialsectiontube;3、确定风管与空调设备及风管各部件的连接方式及相应的连接辅件；3.Makesuretheco

3、nnectionwaysandthecorrespondingconnectionaccessoriesofthewindpipe,air-conditioningequipmentandeachpartofwindpart.4、确定风管的加固方式；4.Makesurethewayofreinforcethewindpipe.5、核算板材的用量；5.Accountthedosageofplates.6、根据风管的拆分情况并结合主辅材配比表核算各种辅材的用量；6.Accountingfordosageofe

4、achauxiliarymaterialaccordingtothesplitconditionofwindpipeandthecombinationofthemainauxiliarymaterialratiotable.7、矩形直风管放样7.Rectangularductlofting.（1）计算放样尺寸：Calculatetheloftingsize:用板材制作矩形风管，风管标注的尺寸是指风管内边尺寸。每块风管板料边都应切割成45度角斜坡，用四块风管板料组合成矩形风管。当使用20mm厚的风管板材，每

5、块风管板料两边应比风管内边长40mm。矩形风管组合可采用一片法;U形二片法;L形二片法;四片法。使用不同组合方法放样尺寸不一样，按风管制作任务单规定的组合方式计算放样尺寸。MaketheRectangularductwithplates,thesizelabledofwindpipeistheinnersizeofwindpipe.Everyductplateedgeshouldbecutinto45°slope.Combinetherectangularductwithfourpiecesofthewi

6、ndpipeplate.Whenitusesthe20mmthickwindpipeplate,thewindpipeplateshouldbelongerthantheedgeofwindpipeby40mm.Rectangularductcanbecombinedwithaoneplatemethod;U-twoplatemethod;L-twoplatemethod;fourplatemethod.Theloftingsizeisdifferentbyusingdifferentcombinedwa

7、ys.Accountingtheloftingsizeasperthecombinedwayastheproductiontaskliststipulated.9酚醛风管施工工艺（2）按计算的放样尺寸用钢直尺或钢卷尺在板材上丈量，用方铝合金靠尺和画笔在板材上画出板材切断、V形槽线、45度斜坡线。(2)Surveyingontheplateswithstraightsteelrulerorsteeltapeasperthecalculatedloftingsize,drawingsheetcutting,V

8、slotline,45°slopelineontheplatesbysquarealuminumalloyrulerandpaintingbrush.9、T形矩形风管放样TrectanglewindpipeloftingT形矩形风管由两根矩形直管组成。按矩形直风管放样的方法，分别放样。主管在设计位量开孔，开孔尺寸为对应支管边长。用钢尺丈量，用画笔和方铝合金靠尺划出切断线、V形槽线、45度斜坡线。Trectangularduct