1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 32932 2014 (ISO 3290-2:2008) (ISO 3290-2:2008, MOD) 2015 329322014 II , - 1.092 . 1.22009 . -, . , , , 1 ( ) , 5 2 307 3 , ( 29 2014 . 69 ) : ( 3166) 004 97 ( 3166) 004 97 BY KG RU UA 4 08 - 2014 . 1010- 32932 2014 (ISO
2、3290-2:2008) 01 2016 . 5 ISO 3290-2:2008 Rolling bearings Balls Part 2: Ceramic balls ( . . 2. ) . 3 4 . . ISO/TC 4 (ISO). (en). , , , , . , , . . , , . (MOD) 6 329322014 III - , . () - - . , , 2015 -, - 329322014 (ISO 3290-2:2008) 1 Rolling bearings. Ceramic balls 2016 01 01 1 ( ), . 2 : 278973 . 2
3、495581 . 252562013 . . ISO 152412014 . - , 1 , - . (), - () . , , , , . 3 24955 25256, : 3.1 (nominal ball diameter): , . 3.2 (single ball diameter): - , . 3.3 (mean ball diameter): - . 3.4 (variation of ball diameter): . 3.5 (deviation from spherical ball surface): - , - . , , : - ; - ; - ; - . 329
4、322014 2 3.5.1 (deviation from spherical form): , *. 3.5.2 (waviness): -. 1 . 2 ( ). 3.5.3 (surface roughness): , - , , / . , , . 3.5.4 (surface defect): , - , , , - . 1 , - . . 2 . 3.6 (ball lot): , - , . 3.7 (mean diameter of ball lot): . 3.8 (variation of ball lot diameter): . 3.9 (ball grade): ,
5、 -, . G , G 20. 3.10 (ball gauge): , - . 1 , - . 2 , - . 3.11 (deviation of a ball lot from ball gauge): . 3.12 (ball subgauge): , . 1 , - . 2 - - . * , - . 329322014 3 3.13 (hardness): , - . - . 3.14 (interval of ball gauge): . 3.15 (interval of ball subgauge): - . 4 ISO 15241, : Dw ; Dwm ; DwmL ;
6、Dws ; G ; IS ; ISS ; Ra 2789; S ; VDwL ; VDws ; RSw ; S . S = DwmL (Dw + S). 5 5.1 1. . 1 Dw Dw Dw Dw 0,300 5,500 12,700 1/2 26,000 0,397 1/64 5,556 7/32 13,000 26,194 1 1/32 0,400 5,953 15/64 13,494 17/32 26,988 1 1/16 0,500 6,000 14,000 28,000 0,508 1/50 6,350 1/4 14,288 9/16 28,575 1 1/8 0,600 6,
7、500 15,000 30,000 0,635 1/40 6,747 17/64 15,081 19/32 30,162 1 3/16 0,680 7,000 15,875 5/8 31,750 1 1/4 0,700 7,144 9/32 16,000 32,000 0,794 1/32 7,500 16,669 21/32 33,000 0,800 7,541 19/64 17,000 33,338 1 5/16 1,000 7,938 5/16 17,462 11/16 34,000 1,191 3/64 8,000 18,000 34,925 1 3/8 1,200 8,334 21/
8、64 18,256 23/32 35,000 1,500 8,500 19,000 36,000 1,588 1/16 8,731 11/32 19,050 3/4 36,512 1 7/16 1,984 5/64 9,000 19,844 25/32 38,000 329322014 4 1 Dw Dw Dw Dw 2,000 9,128 23/64 20,000 38,100 1 1/2 2,381 3/32 9,500 20,500 39,688 1 9/16 2,500 9,525 3/8 20,638 13/16 40,000 2,778 7/64 9,922 25/64 21,00
9、0 41,275 1 5/8 3,000 10,000 21,431 27/32 42,862 1 11/16 3,175 1/8 10,319 13/32 22,000 44,450 1 3/4 3,500 10,500 22,225 7/8 45,000 3,572 9/64 11,000 22,500 46,038 1 13/16 3,969 5/32 11,112 7/16 23,000 47,625 1 7/8 4,000 11,500 23,019 29/32 49,212 1 15/16 4,366 11/64 11,509 29/64 23,812 15/16 50,000 4
10、,500 11,906 15/32 24,000 50,800 2 4,763 3/16 12,000 24,606 31/32 53,975 2 1/8 5,000 12,303 31/64 25,000 55,000 5,159 13/64 12,500 25,400 1 57,150 2 1/4 1 = 25,4 . 5.2 : - . 2; - . 2; - . 1; - . 2; - . 2 3. 2789. 1 - -. 2 , , , . ., , , - -. 3 , , - - -. 2 VDws* RSw* R* G 3 0,08 0,08 0,010 G 5 0,13 0
11、,13 0,014 G 10 0,25 0,25 0,020 G 16 0,40 0,40 0,025 G 20 0,50 0,50 0,032 G 24 0,60 0,60 0,040 G 28 0,70 0,70 0,050 G 40 1,00 1,00 0,060 G 60 1,50 1,50 0,080 G 100 2,50 2,50 0,100 * , - . 5.3 3 : - ; - ; 329322014 5 - ; - ; - . 3 VDwL, IS ISS G 3 0,13 0,5 -5, -0,5, 0, +0,5,+5 0,1 -0,2, -0,1, 0, +0,1, +0,2 G 5 0,25 1 -5, -1, 0, +1,+5 0,2 -0,4, -0,2, 0, +0,2, +0,4 G 10 0,50 1 -9, -1, 0, +1,+9 0,2 -0,4, -0,2, 0, +0,2, +0,4 G
