车轮INMETRO主要技术要求MainTechnicalRequirements测试项目TestItems质量指标Requirements注释Note弯曲疲劳试验RotationalFatigueTesting车轮/轮辋能继续承受载荷；Wheel/rimabletosupporttheload.测试轴偏移量不超过初始全加载偏移量的10%（根据设备有所不同）；Deflectionoftestaxislessthan10%oftheoriginaldeflection(accordingtothetestmachine).无疲劳裂纹，使用渗透色液（着色渗透法），除车轮座上的裂纹外；Nodetectionofcracksusingpenetratingdye,exceptforcracksoverwheelseat.能达到所要求的***低循环次数；Abletoreachminimumcycling.测试中螺母扭力损失不超30%。Lossofnuttorqueduringthetestlessthan30%oftheinitialtorque.径向疲劳试验RadialLoadFatigueTesting车轮/轮辋能继续承受载荷；Wheel/rimabletosupporttheload.车轮/轮辋能继续承受轮胎压力；Wheel/rimabletosupporttirepressure.能达到所要求的***低循环次数；Abletoreachminimumcycling.无疲劳裂纹（使用渗透色液检查）；Nodetectionofcracks(checkedusingpenetratingdye).测试中螺母扭力损失不超过30%。Lossofnuttorqueduringthetestlessthan30%oftheinitialtorque.表面处理阻力和其他特性Resistancetestingandothercharacteristicsofwheelsurfacefinishing覆盖在车轮轮辐内部阀座表面的漆层总厚度必须＜25μm；Totalpaintinglayermustbe<25µmthickoverwheeldiscinternalseatingsurface.***含量限制：铬—0.1%，铅—0.1%，镉—0.1%；Absence,ppmormaximumallowed%forhe***ymetals:Chromium–0.1%,Lead–0.1%,Cadmium–0.01%.附着力试验AdherenceTesting在交叉和方格区域，必须没有分离现象。Theremustbenodetachmentovertheintersectionandoverthecheckeredarea.盐雾试验SaltSprayTesting在表面部位必须没有氧化；Theremustbenooxidati***oversurfaceregion.移动量必须满足不得超过刻线两侧2.0mm。Migrationmustmeetthemaximum2.0mmonbothsidesofline.耐湿试验ResistanceTestinginWetChamber在表面部位必须没有氧化；Theremustbenooxidationoversurfaceregi***.移动量必须满足不得超过刻线两侧2.0mm；Migrationmustmeetthemaximum2.0mmonbothsidesofline.附着力应是在交叉和方格区域，必须没有分离现象。Theremustbenodetachmentovertheintersectionandoverthecheckeredareaforadherence.杭州双度检测技术有限公司曹剑(市场部经理)Vincent(MarketingDirector)Hp:+86-13735528287（微信）***:2153601070Email：008@地址:杭州市萧山区时代大道4789号Website:认证，不仅仅是获证！提供美国DOT，海关联盟EAC，巴西INMETRO认证，沙特SASO，欧盟CE，印度BIS，泰国TISI，海湾GCC，印尼SNI，马来西亚SIRIM等认证服务)