20 hinge
Thereare6pointstopayattentiontowheninstallinghinges:
(1)Beforeinstallation,checkwhetherthehingeismatchedwiththedoorandwindowframeandleaf.
(2)Checkwhetherthehingegroovematchestheheight,widthandthicknessofthehinge.
(3)Checkwhetherthehingeanditsconnectingscrewsandfastenersarematched.
(4)Thehingeconnectionmethodshallmatchthematerialoftheframeandleaf.Forexample,thehingeusedforthesteelframewoodendoorisweldedonthesideconnectedwiththesteelframeandfixedwithwoodscrewsonthesideconnectedwiththewoodendoorleaf.
(5)Inthecasethatthetwoleafplatesofthehingeareasymmetric,itisnecessarytoidentifywhichleafplateshouldbeconnectedwiththeleaf,whichleafplateshouldbeconnectedwiththedoorandwindowframe,thesideconnectedwiththethreesectionsoftheshaftshouldbefixedwiththeframe,andthesideconnectedwiththetwosectionsoftheshaftshouldbefixedwiththeframe.
(6)Duringinstallation,theshaftsofthehingesonthesameleafshallbeprotectedonthesameverticallinetopreventthedoorandwindowleaffromspringingup.
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