1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 3270 KS B 3270: 2012 2012 11 1 http:/www.kats.go.krKS B 3270:2012 : ( ) ( ) (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 3270:2012 i 1 .1 2 .1 3 .1 4 1 5 .2 6 6 6.1 .6
2、 6.2 6 6.3 .6 6.4 , , .6 6.5 .7 7 7 8 7 8.1 7 8.2 .7 8.3 , , .7 9 9 10 9 11 9 11.1 9 11.2 9 KS B 3270:2012 .11 KS B 3270:2012 Extra long morse taper shank twist drills 1 632 mm ( .) . 2 . . ( ) . KB B 0161, KS B 0507, KS B 0806, KS B 3240, KS B 3704, KS B 5202, KS B 5206, KS B 5230, KS B 5245, V KS
3、B 5526, 2: KS B 5602, KS B ISO 3291, KS D 3522, KS D 3752, 3 KS B 3704 . 4 1 , 2 . KS B 3270:2012 2 5 1 2 . 3 . 1 1 : mm D l L (h8) 200 225 250 275 300 325 350 375 400 425 450 475 500 550 6006.0 0 0.018 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 0 0.022 6.0 ( ) 10.010.5 11.0 10.0 11.2100 125 150 175 200 200 2
4、25 250 250 11.5 12.0 12.5 13.0 13.5 14.0 11.2 14.0 125 150 175 200 200 225 250 250 1 14.5 15.0 15.5 16.0 16.5 17.0 0 0.027 14.0 17.0 125 150 175 200 225 250 250 275 300 325 350 2 KS B 3270:2012 3 1 1 ( ) : mm D l L (h8) 200 225 250 275 300 325 350 375 400 425 450 475 500 550 60017.5 18.0 17.0 18.018
5、.5 19.0 19.5 20.0 20.5 21.0 21.5 22.0 22.5 23.0 0 0.033 18.0 23.0150 175 200 225 250 250 275 300 325 350 23.5 24.0 24.5 25.0 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 29.5 30.0 0 0.033 23.0 30.0 175 200 225 250 275 300 325 350 350 40030.5 31.0 31.5 32.0 0 0.039 30.0 32.0 200 225 250 275 300 325 350 35
6、0 4003 1 100 mm 0.04 0.1 mm . 2 , . 3 KS B 3240 . 4 . KS B 3270:2012 4 2 2 : mm D l L (h8) 200 250 315 400 500 630 6.0 0 0.018 6.5 7.0 7.5 8.0 8.5 9.0 9.5 6.0 ( )9.5 125 160 200 10.0 0 0.022 9.5 10.0 10.5 11.0 11.5 0 0.027 10.0 11.8 125 160 200 250 1 12.0 12.5 13.0 13.5 14.0 11.8 14.0 160 200 250 1
7、14.5 15.0 15.5 16.0 16.5 17.0 14.0 17.0 160 200 250 315 17.5 18.0 0 0.027 17.0 18.0 18.5 19.0 19.5 20.0 20.5 21.0 21.5 22.0 22.5 23.0 0 0.033 18.0 23.0 200 250 315 2 KS B 3270:2012 5 2 2 ( ) : mm D l L (h8) 200 250 315 400 500 630 23.5 24.0 24.5 25.0 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 29.5 30.0
8、 0 0.033 23.0 30.0 31.0 32.0 0 0.039 30.0 32.0 250 315 400 3 1 KS B ISO 3291 . , L, l . 400 mm 1 . 2 100 mm 0.04 0.1 mm . 3 , . 4 KS B 3240 . 5 . 3 : mm D L l 6.0( ) 8.0 1 3 8.0 10.0 2 4 10.0 13.0 2 5 13.0 18.0 2 7 18.0 25.0 2 9 25.0 32.0 2 11 KS B 3270:2012 6 6 6.1 , , , , . 6.2 8.1 , KS B 0161 1.6
9、 mRa(6.3 mRy) . 6.3 8.2 , 62 HRC (746 HV) . , 25 HRC . 6.4 , , , , 8.3 , 4 5 . 4 : mm D L 200 225 250 275 300 315 325 350 375 400 425 450 475 500 550 600 6306.0 ( ) 8.0 0.06 0.08 0.08 0.08 0.10 0.10 0.10 0.12 0.12 0.12 8.0 10.0 0.06 0.06 0.08 0.08 0.08 0.08 0.08 0.10 0.10 0.10 10.0 13.0 0.06 0.06 0.
10、06 0.08 0.08 0.08 0.08 0.08 0.10 0.10 13.0 18.0 0.06 0.06 0.06 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.10 0.10 0.10 18.0 25.0 0.06 0.06 0.06 0.06 0.08 0.08 0.08 0.08 0.08 0.08 0.10 0.10 0.10 0.1025.0 30.0 0.06 0.06 0.06 0.08 0.08 0.08 0.08 0.08 0.08 0.10 0.1030.0 32.0 0.06 0.06 0.06 0.08 0.08 0.08 0.08
11、 0.08 0.10 0.10KS B 3270:2012 7 5 , : mm D 6.0( ) 18.0 0.10 18.0 30.0 0.15 30.0 32.0 0.20 6.0( ) 10.0 0.05 10.0 18.0 0.08 18.0 30.0 0.12 30.0 32.0 0.15 6.0( ) 10.0 0.10 10.0 18.0 0.12 18.0 32.0 0.15 6.5 . 7 KS D 3522 SKH 51 . KS D 3752 SM 55 C, . 8 8.1 KS B 0507 . 8.2 KS B 5526 , KS B 0806 . . 8.3 ,
12、 , , , 6 . KS B 3270:2012 8 6 1 D . KS B 5202 a2 , V . 1/4 , . 180 , . 2 . KS B 5245 1 V KS B 5206 0.01 mm 3 V , , . 180 . 2 1/2 . KS B 5245 1 V KS B 5206 0.01 mm 4 V , . 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 . a KS B 5230 2 m, 2 m . KS B 3270
13、:2012 9 9 , , , , , , 5., 6.1 6.5 . 10 , , , 1) . 1 KS B 3270 1 30 400 SKH 51 2 1 30 400 SKH 51 11 11.1 1 . a) : 30 b) 2): SKH 51 c) : 11.2 . a) b) c) d) e) 1) KS D 3522 SKH 51 HS HSS . 2) KS D 3522 SKH 51 HS HSS . KS B 3270:2012 10 1 KS B 3270:2012 11 KS B 3270:2012 , . 1 1987 “KS B 3270, ” ( 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 3270:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Extra long morse taper shank twist drills ICS 25.100.30