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1、钢网制作技术规范（Technicalspecificationforsteelmeshfabrication）Technicalspecificationforsteelmeshfabrication2009-2-321:08:25source:Author:clickBrowse:705times--------------------------------------------------------------------------------Technicalspecificationforste
2、elmeshfabricationGeneralprovisions:Theopeningmethodsmentionedinthisspecificationshallbedeemedtobeinaccordancewiththerulesofthepads,ifthepadisirregularornormalweldingWhenthesizeofthediscislargerorlarger,theopeningshallbedeterminedaccordingtothecircumstances.I
3、.netframeAccordingtothecustomersusethepresscorrespondingtothespecificationsofprofilesofthenetframe,thegeneraluseofthefollowingframesarecommonlyused:29X29inch23X23inch650X550mmTwo.StretchthenetFirst,thesurfaceofthesteelsheetistreatedwithfinesandpaper,andtheed
4、geofthesteelplateispolished,andthenthenetispressedaccordingtothecustomer'srequirement.Three.SteelsheetInordertoensurethatthesteelmeshhasenoughtensionandgoodflatness,thesteelplateshouldberetainedfromtheinsideoftheouterframe25mmdistance,thespecificsizeoftheste
5、elsheet,seeAppendixtwo,"aluminumframespecifications,profilesandsteelcuttingsizecorrespondingtable".buildAccordingtothedifferentcomponents,thethicknessofthesteelsheetisselectedaccordingtotheminimumopeningandtheminimumspacingForotherpurposes,seethefollowingtab
6、leorcalculateaccordingtotheformula:IfthesizeofthepadisL>5W,thethicknessofthesteelsheetshallbecalculatedaccordingtothewidthtothicknessratio.T7、gsandthicknesssheetofcorrespondingsteelsheetPartTypePitchPADFootPrintwidthPADFootPrintLengthApertureWidthApertureLengthStencilThicknessRangePLCC,1.25-1.27mm,0.65mm,2.00mm,0.6mm,1.95mm,0.15-0.25mm0.65mm,0.35mm,1.5mm,0.3mm,1.45MM,0.15-0.175mm0.5mm,0.3mm,1.25mm
8、,0.25mm,1.2mm,0.125-0.15mm0.4mm,0.25mm,1.25mm,0.2mm,1.2mm,0.10-0.125mmQFP0.3mm,0.2mm,1.0mm,0.15mm,0.95mm,0.075-0.125mm0402,N/A,0.5mm,0.65mm,0.45mm,0.60mm,0.125-0.15mm0201,N/A,0.25mm,0.4mm,0.23mm
