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1、轮胎异常磨损（Abnormalwearoftire）SummaryofabnormalwearoftiresTirewearmarksarethespecificmanifestationofautomobilepartsfailureorfourwheelpositioningproblem.Manyoftheproblemsaboutsuspensionandsteeringsystemsinautomobilescanbereflectedbytirewearmarks.(1)uniformwe
2、arofthetreadsurface,butthewearistoofast,thereasonisthetirepressureisinsufficient.(2)excessivewearinthemiddlepartofthetread.Thereasonisthatthetirepressureistoohigh.(3)onesidewearandtreadwearistoofast,thereasonisthatthetirecamberisoutofrange(insideandouts
3、idesidewear).(4)featheredgewear(serrated)becausethefrontwheeltoeisnotcorrect,includingsteeringpartswearordamageleadingtothefrontbeamoverrun.(5)baldspot,thatis,treadgrooveconcavewear,thereasonfortheshockabsorberfailureortireimbalance.(6)fanwear,reasonsfo
4、rthesteeringproblemsuchassteeringtoeerror.CausesandmaintenanceofabnormalwearofSantanatireShanghaiFontanaseriescarsfittedwithparallelbarsisTubelessRadialtire,compressedairdirectlyintothetire.Thiskindoftyrehastheadvantagesofsimplestructure,lightweight,and
5、canbedirectlythroughtherimheat,lowworkingtemperature,longservicelife,namedwasbroken,becausethetireitselfiscompressedandthepunctureobjectwrappedtight,soitcannotmaintainlong-termchlorineleakage.Butinuse,itisfoundthatsomevehiclestireabnormalwearphenomenon,
6、tiresidewear,tiretreadpatternsappearrough,tirewearsurfaceappearwaveshape(alsoknownassawtooth)andsoon.1,thecauseofabnormaltirewearAccordingtothestructuralcharacteristicsofSantanainShanghaiandtherepairexperienceofabnormalwearandtearofsometires,themainreas
7、onforabnormalwearisthatthetireisdamaged:(1)theunilateralwearoftiresismainlyduetotheinaccuratecamberangleofthewheel.Whetherthefrontwheelorrearwheel,iftheinsidewearislarge,thecamberistoosmall;theoutsidewearislarge,butthecamberistoolarge.(2)thetreadpattern
8、ofthetireappearsrough,andthefrontbeamisusuallynotallowed.Iftheburrsappearontheinsideofthepattern,thefrontbeamistoolarge.Iftheburrsappearontheoutside,thefrontbeamistoosmall.(3)thetyresurfaceiswornintoawave,whichiscausedbytheleftan
