>> P.320
Ⅲ-261N=0.102kgf=0.2248lbs.1mm=0.03937inchSpecificbellowsThespecificbellowsaremanufacturedtomatchthedimensionsofLinearWayandLinearRollerWayforeasymountingandexcellentdustprotection.Ifspecialbellowstobeusedinanupside-downpositionorthosemadeofheat-resistantmaterialareneeded,pleasecontactIKO.IdentificationnumberofbellowsTheidentificationnumberofbellowsconsistsofamodelcode,dimensions,andanysupplementalcodes.Itsstandardarrangementisshownbelow.ModelcodeModelofbellowsSupplementalodeDimensionsJRXS35—210/1210B/MIntermeditebelowsSizeofbellowsLengthofbellows(Minimum210mm/Maximum1,210mm)ModelofbellowsJRES35—210/1185SizeofbellowsLengthofbellows(Minimum210mm/Maximum1,185mm)LinearRollerWayXIntermediatebellowsLinearRollerWaySuperXCalculationofminimumlengthofbellowsTheminimumnecessarylengthofspecificbellowsisdetermined,byfirstcalculatingthenecessarynumberofaccordionpleatsasfollows.ns=Sℓsmax-ℓsminwhere,ns:Numberofpleats(Raisedecimalfractions)S:Strokelength,mmℓsmax:aximumlengthofonepleat(SeeTables18.1and18.2)ℓsmin:inimumlengthofonepleat(SeeTables18.1and18.2)Lmin=ns×ℓsmin+m×5+10Lmax=S+Lminwhere,Lmin:Minimumlengthofbellows,mmLmax:Maximumlengthofbellows,mmm:umberofinternalguideplates(SeeTable17)Table17NumberofinternalguideplatesforbellowsModelPdimensionsofspecificbellows(1)mmNumberofinternalguideplatesmAboveBelowJEFJRES—35JESJHSJFSJRXS…BJFFS—22whenns≦20,thenm=02225whenns≦18,thenm=02535Note(1)ForPdimensions,seeTable18.1andTable18.2.Remark:ncalculatingthenumberofinternalguideplatesm,raisethedecimalfractionsforJEFandJRESandomitthedecimalfractionsforothers.IntermediatebellowsSincedifferenttypeofmountingplateisusedformountingbellowsbetweenslideunits.addsupplementalcode"/M"ontotheidentificationnumberwhenordering.Reinforcedbellowsarealsoavailable,whicharespeciallydesignedforuseonlongtrackrailsorforlateralmounting.ThewidthAofreinforcedbellowsisgreaterthanthatofstandardtypebellows.Ifneeded,pleasecontactIKO.m=ns-17m=ns16m=ns12m=ns8
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