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2、-7294) (http:/www.kats.go.kr). 10 5 , . KS P ISO 1797 2:2012 i ii . iii 1 1 2 1 3 1 4 2 4.1 .2 4.2 .2 4.3 .3 4.4 3 4.5 4 4.6 4 4.7 4 4.8 .4 5 4 5.1 4 5.2 4 5.3 , .4 6 5 KS P ISO 1797 2:2012 ii . KS P ISO 17972:2007 . KS P ISO 1797 2:2012 iii 1992 1 ISO 17972, Dental rotary instrumentShanksPart 2： Sh
3、anks made of plastics . KS P ISO 1797 2:2012 2： Dental rotary instrument Shanks Part 2： Shanks made of plastics 1 . . 4.6 4.7 1 . 5 000 r/min . 2 . . ( ) . KS P ISO 17971, 1： KS P ISO 36301, 1： , , , , , KS P ISO 36302, 2： ISO/R 527:1966, Plastics Determination of tensile properties ISO 3274:1975, I
4、nstruments for the measurement of surface roughness by the profile method Contact (stylus) instruments of consecutive profile trans-formation Contact profile meters, system M ISO 4288:1985, Rules and procedures for the measurement of surface roughness using stylus instruments 3 . d1 d2 s D l1 l2 KS
5、P ISO 1797 2:2012 2 l3 l4 2 3 KS P ISO 1797 1 . 1 1 2 2 4 3 3 4 4.1 . . 4.2 4 5 . d1l1l1KS P ISO 1797 2:2012 3 ： mm ： m 4 5 4 B-B 4.3 5 . d1 2.35 x 0.04 d2 d14.4 l1 4 . 0 -0.05 KS P ISO 1797 2:2012 4 ISO 3274 ISO 4288 . 4.5 84 N/mm2 . ISO/R 527 . 4.6 . . 5.3 . 4.7 . 4 . 5.3 4 . 5.1 5.2 . 4.8 . KS P
6、ISO 3630 1 KS P ISO 3630 2 . . 5 5.1 0.001 mm . d1 l1 . 5.2 , . 5.3 , 5.3.1 KS P ISO 1797 2:2012 5 5.3.2 10 (1362), 220 kPa(2.2 bar) 20 , (1805) 120 . 6 1 KS P ISO 1797 1 8. . 2： 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS P ISO 1797 2:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Dental rotary instrumentShanks Part 2：Shanks made of plastics ICS 11.060.20
