1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 32502 2013 325022013 II , - 1.092 . 1.22009 . , . , , , 1 , , ( ) -, 4 2 3 , ( 5 2013 . 61-) : ( 3166) 00497 ( 3166) 00497 AM BY KG MD - RU TJ UZ 4 ASTM D 278303 (2009) Standart test method for measurement of extreme-pre
2、ssure properties of lubricating fluids (four-ball method) ( ). ASTM D02 D02.L0.11 - . (en). ASTM, - , ASTM, , . - ASTM 1.5 2001 ( 3.6). . (IDT) 5 22 - 2013 . 696- 325022013 1 2015 . 6 325022013 III - , - . () - - . , . , 2014 -, - 325022013 1 Lubricating fluids. Detrmination extreme-pressure propert
3、ies on four ball mashine 20150101 1 1.1 - ( , - ) -. . 1.1.1 (Mean-Hertz Load) 1.1.2 () . 1.2 ASTM D 2596. 1.3 , - , . - , - . 1.4 , , . , , . 2 . ( -). 2.1 ASTM1) ASTM D 2596 Test method for measurement of extreme-pressure properties of lubricating grease (four-ball method) ( ) 2.2 NSI NSI 3.122)Me
4、tal balls ( ). 3 -: 3.1 3.1.1 (compensation line): ( ), 1, - - ( ), . 1) ASTM ASTM website, www.astm.org ASTM serviceastm.org, ASTM (Website standards Document Summary). 2) (ANSI), 25 W. 43rdSt. 4thFloor. New York. NY 10036, http:/www.ansi.org. 325022013 2 3.1.1.1 1 - . 3.1.1.2 . , -, , , , - . 3.1.
5、2 (compensation scar diameter): - , - , -. 3.1.2.1 5 % , 1. 3.1.3 c (corrected load): - ( -) , - . 3.1.4 (ertz line): ( 1) - ( ), . 3.1.5 (ertz scar diameter): , ( ), Dh = 8,73 10 2(P)1/3, (1) Dh ; . , ; ; -; D ; D 1 1 1 , 325022013 3 1 L, )- - X, - -, LDh LDh/X, )6 0,95 8 1,4010 0,21 1,8813 0,23 2,
6、67 16 0,25 3,5220 0,27 4,7424 0,28 6,05 32 0,31 8,8740 0,33 11,9650 0,36 16,10 63 0,39 21,8680 0,42 30,08100 0,46 40,5 126 0,50 55,2160 0,54 75,8200 0,59 102,2 250 137,5315 187,1400 258 500 347620 462800 649 ) 9,806. 3.1.6 (immediate seizure region): , . ( ) , (. 1). 3.1.7 (incipient seizure or init
7、ial seizure region): , , ( ) . 3.1.8 (last nonseizure load): , 5 % - (. 1). 3.1.9 ( - ) load-wear index (or the load-carrying property of a lubricant): . - - ( ), , - 0,1 , 10 . - , - . 3.1.10 (weld point): - - ( ), - , (). 3.1.10.1 , - . , 4 . 325022013 4 4 4.1 , . (1760 40) /. 18 35 (65 F 95 F), -
8、 10 . . 5 % ( 1, ), . , , - , - 1, . 1.3) 5 5.1 , , - , . - , -. 6 6.1 4) - 2 3. 1 ( ); 2 , ; 3 , - ; 4 ; 5 ; 6 2 3) Sayles, F. S., et al., The Four-Ball E. P. Tester, An ASTM Method of Test, National Lubricating Grease Institute, NLGIA, Vol 32, No. 5, August 1968, pp. 162167. 4) Falex Corp., 1020 A
9、irpark Dr., Sugar Grove, IL 605549585 and Stanhope-Seta Ltd., Park Close, Egham, Englefield Green, Surrey, England TW20 OXD. 1 2 3 4 5 6 325022013 5 3 1 - . . 6.2 0,01 . 6.3 () 0,1 . 2 - , , 10 . 7 7.1 , . (- . . . .1.1.) 3 , , - . , - . - . . 7.2 , 7.1, . -. ( . . . .1.2.) 7.3 5) 12,7 (0,5 ) 25 (-)
