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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