UDC 629. 1 1 3.0.1:620.1 78.5j:JlpnruesE INDUSTRTAL SrarvoaRoVibration testing methodsfor automobile partsJts D 1601 ,*,Translated and PublishedbyJapanese Standards Association:1I, jlit .It.-. tlf't ,It\i \ITECEIVEDB.l:l:t tgglPATC'( iR &DPrintcd in Japano qIn the ev entlhc crigjnal Sr:rndard inof any doubt aris ing,Japancse is ro be final authorrty.SIRll\{ JRUi iltil Itil til iltil ilil| ilIil tilil ilil IIililil ilil0 2 4 6 4 ' / 3 2JAPANESE INDUSTRIALVibration testing methodsfor automobile partsLIDC 629. 113. 01:620. I78. 5J I SD 1601-1995STANDARD(.2)(3)(4)(r)the resonance frequency of each part.Vibration function test This test is---i_-__----'-each part under vibrational conditions.3. Classification of vibrational conditions Thevrbratron tunction test and lhe vibration endurancefollows:Vibration endurance test This test is designed to determine the durabil-nFG;;F-p".t ac"CrtThe vibration of a coristant frequency.Sweep vibration endurance test This test is designed to determine thedurability of each part against vibration, the frequency of which is increas-ed and decreased continuously at a constant rate.1. Scope This Japanese Industrialmethods for automobile parts (hereafter2. Classification of tests The testsStandard specifies the vibration testingreferred to as "parts ").shall be classified as follows:This test is desiqned to determrnedesigned to check the function ofvibrational conditions for thetest shall be classified asor on the spnngsa relatively low(tr The vibrational conditions for the parts shall be "1assified as follows bvtype of automobiles to which they are installed:-,-----.----a'Jll:) : Those mainly for passenger car partsType 2Those mainly for bus partsType 3 : Those mainly for motortruck partsType 4 : Those mainl...