1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 3271 KS B 3271: 2012 2012 11 1 http:/www.kats.go.krKS B 3271:2012 : ( ) ( ) (AMS) ( ) : (http:/www.standard.go.kr) : :1987 10 28 :2012 11 1 2012-0578 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 3271:2012 i 1 1 2 1 3 .1 4 1 5 .1 6 4 6.1 .4 6
2、.2 4 6.3 .4 6.4 , , 4 6.5 .5 7 5 8 5 8.1 5 8.2 .5 8.3 , , , 5 9 7 10 7 11 7 11.1 7 11.2 7 KS B 3271:2012 .9 KS B 3271:2012 Extra long parallel shank twist drills 1 113 mm ( .) . 2 . . ( ) . KB B 0161, KS B 0507, KS B 0806, KS B 3704, KS B 5202, KS B 5206, KS B 5224, KS B 5245, V KS B 5254, KS B 5526
3、, 2: KS B 5602, KS B ISO 3292, KS D 3522, 3 KS B 3704 . 4 1 , 2 . 5 KS B 3271:2012 2 1 2 . 3 . 1 1 : mm D l L (h8) 75 100 125 150 200 250 300 1.0 1.00 ( ) 1.06 30 40 1.5 1.06 1.50 35 40 2.0 1.50 2.12 40 50 65 75 2.5 2.12 2.65 50 65 75 3.0 0 0.014 2.65 3.00 3.5 3.00 3.75 50 65 75 100 4.0 4.5 3.75 4.7
4、5 60 70 75 100 125 125 5.0 5.5 4.75 5.60 70 90 100 125 150 6.0 0 0.018 5.60 6.00 6.5 7.0 7.5 6.00 7.50 80 90 100 125 150 8.0 8.5 7.50 8.50 90 125 150 175 9.0 9.5 8.50 9.50 100 125 150 175 10.0 0 0.022 9.50 10.00 10.5 11.0 11.5 12.0 12.5 13.0 0 0.027 10.00 13.00 125 150 175 1 100 mm 0.04 0.1 mm . 2 ,
5、 . 3 . KS B 3271:2012 3 2 2 : mm D l L (h8) 125 160 200 250 315 400 2.0 2.5 2.00 ( ) 2.65 80 100 3.0 0 0.014 2.65 3.00 100 125 3.5 3.00 3.75 100 125 160 4.0 4.5 3.75 4.75 100 125 160 200 5.0 5.5 6.0 0 0.018 4.75 6.00 6.5 7.0 7.5 6.00 7.50 125 160 200 250 8.0 8.5 9.0 9.5 10.0 0 0.022 7.50 10.00 10.5
6、11.0 11.5 12.0 12.5 13.0 0 0.027 10.00 13.00 160 200 250 1 D , KS B ISO 3292 . , L, l . 2 100 mm 0.04 0.1 mm . 3 . 4 . KS B 3271:2012 4 3 : mm D L l 1.0( ) 6.0 1 3 6.0 10.0 2 4 10.0 13.0 2 6 6 6.1 , , , , . 6.2 8.1 , KS B 0161 1.6 mRa(6.3 mRy) . 6.3 8.2 , 62 HRC (746 HV) . , 25 HRC . 6.4 , , , , 8.3
7、 , 4 5 . 4 : mm D L 75 100 125 150 160 200 250 300 315 400 1.0 ( ) 3.0 0.04 0.04 0.04 0.05 0.05 0.05 3.0 6.0 0.03 0.04 0.04 0.04 0.05 0.05 0.05 0.05 0.066.0 10.0 0.03 0.03 0.04 0.04 0.05 0.05 0.0510.0 13.0 0.03 0.04 0.04 0.04 0.05KS B 3271:2012 5 5 , : mm D 1.0( ) 3.0 0.05 3.0 6.0 0.08 6.0 13.0 0.10
8、 1.0( ) 3.0 0.04 3.0 10.0 0.05 10.0 13.0 0.08 6.0( ) 10.0 0.10 10.0 13.0 0.12 6.5 . 7 KS D 3522 SKH 51 . 8 8.1 KS B 0507 . 8.2 KS B 5526 , KS B 0806 . . 8.3 , , , , , , 6 . KS B 3271:2012 6 6 1 D . KS B 5202 2 . KS B 5254 1 KS B 5224 B 3 V , , . 180 . 2 1/2 . KS B 5245 1 V KS B 5206 0.01 mm 4 V , ,
9、. 180 . 2 1/2 . KS B 5602 KS B 5245 1 V 5 V , 0.1D , . 180 . 2 . KS B 5245 1 V KS B 5206 0.01 mm . KS B 3271:2012 7 9 , , , , , , 5., 6.1 6.5 . 10 , , , 1) . 1 KS B 3271 1 3.5 150 SKH 51 2 1 3.5 150 SKH 51 11 11.1 2.0 mm 1 . a) : 3.5 b) 2): SKH 51 c) : 11.2 . a) b) c) d) e) 1) KS D 3522 SKH 51 HS HS
10、S . 2) KS D 3522 SKH 51 HS HSS . KS B 3271:2012 8 1 KS B 3271:2012 9 KS B 3271:2012 , . 1 1987 “KS B 3271, ” ( 11 1410119 000030 01, ) . 2 a) b) c) d) KS A 0001( ) . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B 3271:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Extra long parallel shank twist drills ICS 25.100.30