1、 KS P 7209KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS P 7209: 2007(2012 ) 2007 6 29 http:/www.kats.go.krKS P 7209: 2007 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :1979 12 19 :2007 6 29 :2012 12 6 : 20120679 : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS P 7209: 2007 i 1 1 2 1 3 .1 4 .1 4
2、.1 .1 4.2 .2 4.3 .2 5 .2 6 2 6.1 2 6.2 2 7 .3 8 .3 KS P 7209: 2007 (2012 ) Dental carborundum wheels 1 ( .) . 2 . . KS L 6508, 3 1 . 1 mm aa 301 12.7 1.6 302 12.7 3.2 303 12.7 4.7 304 15.8 1.6 305 15.8 3.2 306 15.8 4.7 307 19.0 1.6 308 19.0 3.2 309 19.0 4.7 1.7 a . 4 4.1 , , , , . 0.05 0 KS P 7209:
3、2007 2 4.2 , . 4.3 6. 0.20 . 5 KS L 6508 . 6 6.1 4.1 4.2 . 6.2 , 1 , 2 V(mm3) , . ( ) 8 mm1.4 mm45 mm , . , , V(mm3) 3 . . 1 KS P 7209: 2007 3 2 m/s 3 N 0.98 s 120 SPVu= u : P: (MPa) , S : (m) , (m/s) (s) V: (mm3) 7 . 301 8 . a) b) (W) 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS P 7209: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Dental carborundum wheels ICS 11.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr