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Trapezoidal Sheets Roll Forming Machine

Description:

WidespanisaroofingandcladdingprofiledesignedtoprovideaneconomicalternativetodeeperBoxRibprofileswithoutlosingtheaestheticappealofasquareflutedprofile.ThetrapezoidalWidespanprofileoffersgreatercovering.Widespanroofsheetsareavailableinawiderangeofmaterialsdisplayingvariousstructuralproperties.Itshouldbenotedthattheloadspancharacteristicsareonlytobeusedasabroadguidelineaspurlinspacingisalsodependantonotherfactorssuchastheprevailingwindsinacertainarea,snowduringwinterperiods,thepresenceofdustandotherparticlesinindustrialareas,thetypeofstructurethatisbeingerectedetc..Wethereforerecommendthatanengineerisconsultedtodeterminethepurlinspacingforaspecificapplication.Widespancanbefactorycranked,curvedandbullnosedtovariousradiidependingoncustomer'srequirements.

Availabledimensions:

Widespansheetingisavailableinstandardlengthsupto15metres.Thepermissiblelengthtoleranceforthestandardlengthrangewillbe-+5mm.Sheetsoutsidetheseparametersareavailableonrequestandmightbesubjecttospecialpricingarrangements.Themaximumheightwhichcanbetransportedis4.3metres.Thisfactorshouldbetakenintoaccountwhenbullnosesandcurvesaredesigned.

Roofpitch:

WhenusingWidespan,therecommendedminimumpitchforroofslopesinexcessof30mis10.0ºandforslopeslessthan30mis7.5º.WhenWidespanroofsheetsareendlappedtheroofpitchshouldbetakenintoaccount.Theminimumendlapsforroofspitchesinexcessof15ºis150mmandforotherroofsaminimumof250mmisrecommended.Endlapsforsidesheetingshouldbeatleast100mm.Itisrecommendedthatendandsidelapsonlowpitchedroofsaresealedtoensurewatertightness.

Installationprocedure:

TherequirednumberofWidespansheetscanbecalculatedasfollows:

Numberofsheets=Lengthofbuilding+gableendoverhangs-50mm/0.762m(Coverwidthofsheet)

Roofsheetsmustbelaidwithonecorrugationsidelapwiththenarrowfluteuppermostandshallbefixedthroughthecrestsofalternateflutestopurlinsusing57mmTopSpeedorTexscrewsintosteelpurlinsand90mmTexorTopspeedscrewsinthecaseoftimberroofs,allfastenersshallincorporate19mmdiabondedwashers.

Forverticalwallcladding(sidecladding)itisrecommendedthatthebroadflutedarefixedexternallywiththemainandsidelapfastenersintheweboftheflutes.Sidecladdingcanbefixedusing25mmTexorTopspeedscrews,allfastenersshallincorporate19mmdiabondedwashers.

Uncoiler:ManualUncoiler

CoilInnerDiameter:508-610mm

CoilOuterDiameter:max1500mm

LoadingWeight:5T

RollFormingMachine

MainStructureoftheMachine:36#”H”BeamSteel

RollingStations:16stations(subjectedtofinaldesign)

FormingSpeed:Approx.10-12m/min.

DiameterofShaft:75mm

ToleranceofShaftDia.:+0-0.03mm

MaterialofShaft:45#steelwithheattreatmentHRC50~55

MaterialofRoller:45#steelwithquenchingtreatmentandchromingof0.05mmthickness

ToleranceofRollerHoleDia.:+0.03-0mm

Transmission:Chains-bracket

MotorPower:5.5KW(subjectedtofinaldesign)

BrandMotor:ChineseGuomao

HydraulicCuttingDevice

MaterialofCuttingMold:Cr12SteelwithquenchedtreatmentHRC60-62

CuttingLengthandQuantity:ClientscansetthelengthandquantityonthePLCtouchscreen

HydraulicStationPower:3KW(subjectedtofinaldesign)

ToleranceofCuttingLength:+/-2mm

ControlSystem

PLCControlBox:700mmx1000mmx300mm

ComputerControlSystem:PanasonicPLC

Encoder:OmronBrand

PressureofHydraulicStation:notlessthan16Mpa

Current:380Vdirectcurrent,50Hz,3phase


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