>> P.320
SpecificbellowsThespecificbellowsaremanufacturedtomatchthedimensionsofLinearWayandLinearRollerWayforeasymountingandexcellentdustprotection.Ifspecialbellowstobeusedinanupside-downpositionorthosemadeofheat-resistantmaterialareneeded,pleasecontactIKO.IdentificationnumberofbellowsTheidentificationnumberofbellowsconsistsofamodelcode,dimensions,andanysupplementalcodes.Itsstandardarrangementisshownbelow.LinearRollerWayXIntermediatebellowsModelcodeJRXSDimensionsSupplementalcode35—210/1210B/MModelofbellowsSizeofbellowsLengthofbellows(Minimum210mm/Maximum1,210mm)IntermeditebelowsLinearRollerWaySuperXJRES35—210/1185ModelofbellowsSizeofbellowsLengthofbellows(Minimum210mm/Maximum1,185mm)CalculationofminimumlengthofbellowsTheminimumnecessaryisdetermined,byfirstcalculatingthenecessarynumberofaccordionpleatsasfollows.lengthofspecificbellowsns=where,Sℓsmax-ℓsminns:Numberofpleats(Raisedecimalfractions)S:Strokelength,mmℓsmax:Maximumlengthofonepleat(SeeTables18.1and18.2)ℓsmin:Minimumlengthofonepleat(SeeTables18.1and18.2)Lmin=ns×ℓsmin+m×5+10Lmax=S+Lminwhere,Lmin:Minimumlengthofbellows,mmLmax:Maximumlengthofbellows,mmm:Numberofinternalguideplates(SeeTable17)Table17NumberofinternalguideplatesforbellowsModelPdimensionsofspecificbellows(1)mmAboveBelowNumberofinternalguideplatesmJEFJRESJESJHSJFSJRXS…BJFFS——222535222535m=ns-17m=ns16whenns≦20,thenm=0m=ns12whenns≦18,thenm=0m=ns8Note(1)ForPdimensions,seeTable18.1andTable18.2.Remark:Incalculatingthenumberofinternalguideplatesm,raisethedecimalfractionsforJEFandJRESandomitthedecimalfractionsforothers.IntermediatebellowsSincedifferenttypeofmountingplateisusedformountingbellowsbetweenslideunits.addsupplementalcode"/M"ontotheidentificationnumberwhenordering.Reinforcedbellowsarealsoavailable,whicharespeciallydesignedforuseonlongtrackrailsorforlateralmounting.ThewidthAofreinforcedbellowsisgreaterthanthatofstandardtypebellows.Ifneeded,pleasecontactIKO.1N=0.102kgf=0.2248lbs.1mm=0.03937inchⅢ-26
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