1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 5221 KS B 5221:2008 2008 11 12 http:/www.kats.go.krKS B 5221:2008 : ( ) ( ) ( ) ( ) ( ) () 85 ( ) : (http:/www.standard.go.kr) ： ： 1971 5 20 ： 2008 11 12 2008-0764 ： ： ( 02-509-7230) (http:/www.kats.go.kr). 10 5 , . KS B 5221:2008 Limit gauges for metri
2、c coarse screw threads 1 KS B 0211 4h, 6h, 6g, 8g 4H, 5H, 6H, 7H ( .) ( .) . KS B 0211 1 , 2 , 3 . a4h M1 M68 1 M1 M68 6h 6g M1 M1.4 M1.6 M68 2 M1 M68 8g M50.8 M68 3 M50.8 M68 4H 5H M1 M1.4 M1.6 M68 1 M1 M68 5H 6H M1 M1.4 M1.6 M68 2 M1 M68 7H M30.5 M68 3 M30.5 M68 1 . 2 , , . a KS B 0211 . 2 . . ( )
3、 . KS B 0201, KS B 0211, KS B 0220, KS B 0421, KS B 5248, KS D 3753, KS B 5221:2008 2 3 , , , , 1 , , , 6 11 . 1 (4h ) (6h ) (6g ) (8g ) 4hGR 6hGR 6gGR 8gGR 6 (4h ) (6h ) (6g ) (8g ) 4hNR 6hNR 6gNR 8gNR 7 (4h ) (6h ) (6g ) (8g ) 4hPR 6hPR 6gPR 8gPR (4h ) (6h ) (6g ) (8g ) 4hPR 6hPR 6gPR 8gPR (4h ) (
4、6h ) (6g ) (8g ) 4hPC 6hPC 6gPC 8gPC 8 (4H ) (5H ) (6H ) (7H ) 4HGP 5HGP 6HGP 7HGP 9 (4H ) (5H ) (6H ) (7H ) 4HNP 5HNP 6HNP 7HNP 10 (4H ) (5H ) (6H ) (7H ) 4HPPa 5HPP 6HPP 7HPP 11a “ ” “ ” . 6HPP , 6HPP 4 , , , , 1 KS B 5221:2008 3 2 , 12 17 . 2 (4h ) (6h ) (6g ) (8g ) 4hGRGF 6hGRGF 6gGRGF 8gGRGF 12
5、 (4h ) (6h ) (6g ) (8g ) 4hGRNF 6hGRNF 6gGRNF 8gGRNF 13 (4h ) (6h ) (6g ) (8g ) 4hGW 6hGW 6gGW 8gGW 14 (4h ) (6h ) (6g ) (8g ) 4hNRGF 6hNRGF 6gNRGF 8gNRGF 15 (4h ) (6h ) (6g ) (8g ) 4hNRNF 6hNRNF 6gNRNF 8gNRNF 16 (4h ) (6h ) (6g ) (8g ) 4hNW 6hNW 6gNW 8gNW 17 5 , , 1 . KS B 5221:2008 4 1 KS B 5221:2
6、008 5 6 6.1 , 3 . 3 2 . (GR) 4 . (NR) 3 . (GP) (GRGF) (NRGF) (NRNF) (NW) 5 . (NP) (GRNF) (GW) 6.2 . a) 2 r1 1), b1 2) , r1max b1max 4 . , . 2 ( ) 1) . 2) 1.25 mm . KS B 5221:2008 6 b) 3 r2 3) b2 4) , r2max b2max 4 . , . 3 ( ) 3) . 4) 0.6 mm . KS B 5221:2008 7 4 ： mm P 8max1Pb = 12072.0max1HPr =4max2
7、Pb = Pr 144.0max2= 24H0.25 0.3 0.018 0.022 0.036 0.043 0.009 0.011 0.35 0.4 0.45 0.025 0.029 0.032 0.050 0.058 0.065 0.012 0.014 0.016 0.5 0.6 0.7 0.036 0.043 0.050 0.15 0.17 0.072 0.086 0.1 0.018 0.022 0.025 0.75 0.8 1 0.054 0.058 0.072 0.19 0.2 0.25 0.11 0.11 0.14 0.027 0.029 0.036 1.25 1.5 1.75 0
8、.15 0.19 0.22 0.090 0.108 0.126 0.31 0.37 0.44 0.18 0.21 0.25 0.045 0.054 0.063 2 2.5 3 0.25 0.32 0.4 0.144 0.180 0.217 0.5 0.61 0.75 0.29 0.36 0.43 0.072 0.090 0.108 3.5 4 4.5 0.48 0.5 0.55 0.253 0.288 0.325 0.88 1 1.1 0.5 0.58 0.65 0.126 0.144 0.162 5 5.5 6 0.6 0.7 0.8 0.361 0.397 0.433 1.25 1.4 1
9、.5 0.72 0.79 0.86 0.180 0.198 0.217 6.3 . a) 4 1 mm r1 , 1.25 mm b3 , r1 max 4, b3 5 . , . KS B 5221:2008 8 4 ( ) b) 5 1 mm r2 , 1.25 mm b3 , r2max 4, b3 5 . , . 5 ( ) KS B 5221:2008 9 5 ： mm F2b3 P F1 0.1P 0.2P 0.15P 0.1P () 0.25 0.3 0.025 0.03 0.35 0.4 0.45 0.035 0.04 0.045 0.5 0.6 0.7 0.05 0.06 0
10、.07 0.75 0.8 1 0.075 0.08 0.1 a 1.25 1.5 1.75 0.125 0.15 0.175 0.25 0.3 0.35 0.3 0.4 0.45 0.04 0.04 0.05 2 2.5 3 0.2 0.25 0.3 0.4 0.375 0.45 0.5 0.8 1.0 0.05 0.05 0.08 3.5 4 4.5 0.35 0.4 0.45 0.525 0.6 0.45 1.1 1.3 1.7 0.08 0.1 0.1 5 5.5 6 0.5 0.55 0.6 0.5 0.55 0.6 1.9 2.1 2.3 0.1 0.1 0.1 b3 6 S , b
11、3 . b3 S 2 . a 0.25 1 mm 4 r1 max r2 max . 6 7 , KS D 3753 STS 3 , HV 660 780(HRC 58 63) . KS B 5221:2008 10 0.4S . , , KS B 5248 . 8 KS B 0421 . 9 20 . 10 10.1 . a) (GR) , (GR) . b) (NR) , 2 (NR) . , 3 (NR) . c) (PR) , (PR) (PR ) , (PR ) (PR) . d) (PC) , (PC) (PC) (PC) . 10.2 . a) (GP) , , (GP) . b
12、) (NP) , 2 , KS B 5221:2008 11 (NP) . , 3 (NP) . c) (PP) , (PP) , 1 , (PP) . 10.3 . a) 10.1 a), b) c) . 10.1 c) d) (PC) . b) 10.2 a), b) c) . 10.4 ( .) . 11 11.1 . a) (GRGF) (GR) , (GR) . b) (GRNF) (GR) , (GR) 1 . c) (GW) (GR) , (GR) 1 . , 1 (GR) . 11.2 . a) (NRGF) (NR) , (NR) KS B 5221:2008 12 . b)
13、 (NRNF) (NR) , (NR) 1 . c) (NW) (NR) , (NR) 1 . , 1 (NR) . 11.3 . a) (GR) 11.1 a) b) . (GR) 11.1 c) . b) (NR) 11.2 a) b) . (NR) 11.2 c) . 12 , ( ), 5) 6) . KS B 5221 M101.5 6gGR M101.5 6g ( ) ( ) ( ) ( ) ( ) 13 “ ” “L” , 7), , , ( ) . ( , .) M101.5 6gGR M101.5 6gPR ( ) GP M101.5 6HNP ( ) M101.5 6HPP
14、 M605.5 6HPP ( ) GF M101.5 6gGRNF M101.5 6gGW 5) . 6) . 7) . KS B 5221:2008 13 6 (GR) ( ) 4h 4hGR 6h 6hGR 6g 6gGR 8g 8gGR ： m a 4h 6h b6g 8g 4h 6h b6g 8g P (mm) d2max c(mm) d2max c(mm) d2max c(mm)dd1(mm) eM1 M1.1 M1.2 M1.4 M1.6 0.25 0.25 0.25 0.3 0.35 0.838 0.938 1.038 1.205 1.373 8 8 8 8 8 0 0 0 0
15、0 888880.838 0.938 1.038 1.205 1.354 7 7 7 7 7 3 3 3 3 3 1010101010 0.7290.8290.9291.0751.221444444444488888 5 5 5 5145 5 5 5 24 10 10 10 10 10 555554848484035M1.8 M2 M2.2 M2.5 M3 0.35 0.4 0.45 0.45 0.5 1.573 1.740 1.908 2.208 2.675 8 8 8 8 8 0 0 0 0 0 888881.554 1.721 1.888 2.188 2.655 7 7 7 7 7 3
16、3 3 3 3 1010101010 1.4211.5671.7132.0132.459444444444488888141415151524 24 25 25 25 10 10 10 10 10 555553531262625M3.5 M4 M4.5 M5 M6 0.6 0.7 0.75 0.8 1 3.110 3.545 4.013 4.480 5.350 7 7 7 7 7 3 3 3 3 3 10101010103.089 3.523 3.991 4.456 5.324 5 5 5 5 5 9 9 9 9 9 1414141414 4.4565.324 1 1171718182.850
17、3.2423.6884.1344.91755555555551010101010141515171928 29 29 31 33 14 14 14 14 14 15 17 33 35 1818555552118171615M7 M8 M9 M10 M11 1 1.25 1.25 1.5 1.5 6.350 7.188 8.188 9.026 10.026 7 7 7 5 5 3 3 3 9 9 10101014146.324 7.160 8.160 8.994 9.994 5 5 5 1 1 9 9 9 17 17 14141418186.3247.1608.1608.9949.994 1 1
18、 111171717232318181822225.9176.6477.6478.3769.37655577555771010101414192121232333 35 35 41 41 14 14 14 18 18 17 19 19 21 21 35 37 37 43 43 1818182222555551513131212M12 M14 M16 M18 M20 1.75 2 2 2.5 2.5 10.863 12.701 14.701 16.376 18.376 5 5 5 5 5 9 9 9 9 9 141414141410.829 12.663 14.663 16.334 18.334
19、 1 1 1 1 1 17 17 17 17 17 181818181810.82912.66314.66316.33418.334111112323232323222222222210.10611.83513.83515.29417.29477777777771414141414252929333343 47 47 51 51 18 18 18 18 18 23 27 27 31 31 45 49 49 53 53 2222222222555551110101010M22 M24 M27 M30 M33 2.5 3 3 3.5 3.5 20.376 22.051 25.051 27.727
20、30.727 5 5 5 1 1 9 9 9 17 17 141414181820.334 22.003 25.003 27.674 30.674 1 1 1 1 1 17 17 17 23 23 181818222220.33422.00325.00327.67430.674111552323233535222222303019.29420.75223.75226.21129.21177799777991414141818333939424251 57 57 64 64 18 18 18 22 22 31 37 37 38 38 53 59 59 68 68 222222303055555109999M36 M39 M42 M45 M48 4 4 4.5 4.5 5 33.402 36.402 39.077 42.077 44.752 1 1 1 1 1 17 17 17 17 17 181818181833.342 36.342 39.014 42.014 44.681 1 1 1 1 1 23 23 23 23 23 222222222233.34236.34239.01442
