>> P.479
K30â– StructureandFeaturesIKOPILLOBALLsarecompactself-aligningsphericalbushingsthatcansupportalargeradialloadandabi-directionalaxialloadatthesametime.Thesebushingsareclassifiedbyslidingsurfacetypes,namely,inserttype,die-casttypeandmainte-nance-freetype.Intheinserttype,asphericalinnerringmakescontactwiththespecialcopperalloybush-ingwithsuperiorrun-inproperties.Inthedie-casttype,asphericalinnerringmakesdirectcontactwiththeboresurfaceofthebodyofspecialzincdie-castalloy.Inthemaintenance-freetype,asphericalinnerringmakescontactwiththespecialPTFElinerofmaintenance-freetype.Thus,asmoothrotationalandoscillatorymotioncanbeachievedwithsuperioranti-wearandloadingpropertiesineachtype.PILLOBALLRodEndshaveeitherafemalethreadinthebodyoramalethreadonthebody,andtheycanbeeasilyassembledontomachines.PILLOBALLsareusedincontrolandlinkmechanismsinmachinetools,textilemachines,packagingmachines,etc.Themaintenance-freetypeisespe-ciallysuitableforloadinginonedirectionandisthebestchoiceformachinesinwhichoilmustbeavoidedsuchasfoodprocessingmachines,ormachineswhichcannotbere-lubricated.Structuresofmaintenance-freetypePILLOBALLsSpecialPTFEliner(Reinforcedwithcopperalloymeshes)Body(Zincchromateplated)Sphericalinnerring(Chromiumplated)Body(Zincchromateplated)Sphericalinnerring(Chromiumplated)SpecialPTFEliner(Reinforcedwithcopperalloymeshes)StructuresoflubricationtypePILLOBALLsOuterringBushing(Specialcopperalloy)Bushing(Specialcopperalloy)Body(Zincchromateplated)Sphericalinnerring(Chromiumplated)Body(Zincchromateplated)Sphericalinnerring(Mirror-finished)Sphericalinnerring(Chromiumplated)Sphericalinnerring(Chromiumplated)Bushing(Specialcopperalloy)Body(Specialzincdie-castalloy)PHS(A)POS(A)K
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