谁有克莱斯勒标准pf-10141-阻尼测试）的中文版

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1、DAIMLERCHRYSLERCORPORATIONNo:PF-10141PerformanceStandardDatePublished:2002-12-13CategoryCode:Q-2Change:AEASLReq.:NoDAMPING-BRAKEROTOR/DRUM阻尼–制动盘/鼓1.0GENERAL概述1.1PurposeoftheStandard目的Thisstandarddefinesdampingperformancerequirementsofbothdiscbrakerotorsandbrakedrums.Boththerot

2、oranddrumaresourcesofallvarietiesofbrakenoise.Thequantityofdampingpresentinarotororbrakedrumaffectsthenoiseperformanceofthebrakesystem.Notethatthelevelofdampingtypicallyaffectsthenaturalfrequencyofthepartaswell,changingtwoimportantpropertiessimultaneously.Ifitwerepossibletohol

3、dnaturalfrequencyconstant,thehigherthequantityofdamping,thelessaptthebrakesystemistomakenoise.Specifyingaminimumamountofdampingforarotororbrakedrumisonemethodofcontrollingbrakesystemnoise.Trackingvariabilityofdampinglevelsfromproductionlottolotisexpectedtoofferinsightintoobtai

4、ningbetterprocesscontrolaswell.Acommonlyutilizednon-dimensionalmeasureofavibratorysystem'sdamping,thequalityfactor(Q-factor),quantifiesarotorordrum'sdampingperformance.ThelowertheQ-factor,thebetter(higher)thedampingperformance.本标准定义了制动盘和制动鼓的阻尼性能要求，制动盘鼓是制动噪声的源头，制动盘和制动鼓的阻尼值影响制动系

5、统的噪音指标，阻尼大小影响固有频率，如果使固有频率不变，阻尼越大，则制动系统越不易产生噪声；限定制动盘和鼓的最低阻尼值，是控制制动系统噪声的途径之一.。跟踪每个生产批次的盘/鼓阻尼变化量，同样能有助于考察工序过程控制的好坏，通常使用的震动系统非尺寸类测量参数—质量参数（Q参数）量化了盘/鼓的阻尼参数，Q值越低，阻尼性能越好1.2CoverageofthisStandard标准适用范围Thisstandarddefinesdampingrequirementsforfrontdiscbrakerotors,reardiscbrakerotors,an

6、dreardrumsusedonDaimlerChryslervehicles.本标准定义了用于戴姆勒-克莱斯勒公司车上用的前、后制动盘和制动鼓的阻尼要求2.0SPECIALTESTEQUIPMENT特殊试验设备Table1containsitemsrequiredtomeasurerotorordrumQ-factors.APC-basedsemi-automatedtestingsystem,Rotor-Q,isavailabletoperformthesemeasurementsmuchmorequicklyandaccurately.Thi

7、scanbeobtainedfromSignalysisofCincinnati,Ohio,throughBruel&Kjaer.Itemsmarkedwithanasteriskarerequiredonlyformanualmethodtesting.Bothmanualandsemi-automatedsystemsutilizeproprietaryDaimlerChryslerpatentedconfidentialtechnologyandassuchshouldbeusedonlyforDaimlerChryslerrelatedte

8、stingandmeasurements.表1列出了测量Q参数所需仪器，对盘的Q值，一种基于计算机的半自动测试系统可更快速