KS R ISO 8709-2012 Mopeds ― Brakes and braking devices ― Test and measurement methods.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS R ISO 8709 KS R ISO 8709:2012 2012 12 24 http:/www.kats.go.krKS R ISO 8709:2012 : ( ) ( ) ( ) : KS () ( ) : (http:/www.standard.go.kr) : :2002 6 4 :2012 12 24 2012-0762 : :, KS ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS R ISO 8709:2012 i ii 1 1 2

2、1 3 .1 3.1 1 3.2 2 3.3 .2 3.4 3 3.5 3 4 .5 4.1 5 4.2 .5 4.3 5 4.4 5 5 .5 5.1 .5 5.2 .5 5.3 5 5.4 5 5.5 (Burnishing) .7 6 .7 6.1 .7 6.2 .7 6.3 8 6.4 8 6.5 .8 6.6 .8 6.7 9 6.8 .9 6.9 .9 6.10 10 7 10 7.1 ( ) 10 7.2 .11 7.3 13 7.4 14 A( ) 15 20 KS R ISO 8709:2012 ii 2010 2 ISO 8709, Mopeds Brakes and br

3、ake systems Tests and measurement methods . KS R ISO 8709:2012 Mopeds Brakes and brake systems Test and measurement methods 1 , 2 (3-1) 3 (3-2) , . . 25 km/h . ( ) ( , , , ) UNECE No. 3 . 2 . . ( ) . KS R ISO 3779, (VIN) KS R ISO 7116, 3 . 3.1 KS R ISO 8709:2012 2 UNECE Special Resolution NO. 1 . 3.

4、1.1 3 (category 3 vehicle) , , 2 3 3.1.1.1 3-1 (category 3-1 vehicle) 2 (two-wheeled moped) , 50 km/h 50 cm3 2 3.1.1.2 3-2 (category 3-2 vehicle) 3 (three-wheeled moped) , 50 cm3 50 km/h , 3 3.2 3.2.1 (brake system) , , , ( ) 3.2.2 (control) 3.2.3 (transmission) 3.2.4 (brake) 3.3 3.3.1 (service brak

5、e system) 3.3.1.1 (single brake system) 1 KS R ISO 8709:2012 3 3.3.1.2 (combined brake system) CBS 2 3.3.1.3 (combined brake system) CBS 3.3.1.4 2 (secondary brake system) 2 3.3.2 (power-assisted brake system) ( ) 1 , 3.4 UNECE Special Resolution NO. 1 . 3.4.1 (laden moped) 3.4.2 (lightly loaded mop

6、ed) 5.4 15 kg 3.4.3 (gross vehicle mass) 3.4.4 (mass in running order) 75 kg 3.4.5 (unladen vehicle mass) , , ( 90 % 100 % ), , , , 3.5 KS R ISO 8709:2012 4 3.5.1 (test speed) V 2 , . 3.5.2 (mean fully developed deceleration) MFDD dm 80 % 10 % 3.5.3 (stopping distance) S 2 , . 3.6 (baseline test) ,

7、3.7 (engine disconnected) 3.8 (initial brake temperature) 3.9 (maximum speed) VmaxKS R ISO 7116 3.10 (peak braking coefficient) PBC , 3.11 (wheel lock) (slip ratio) 1.00 KS R ISO 8709:2012 5 4 4.1 ( 1 % ). . , (PBC) 0.9 . . , . 4.2 5 m/s . 4.3 4 45 . 4.4 . 2 (3-1) , 2.5 m . 3 (3-2) , 2.5 m . 5 5.1 .

8、 5.2 . 5.3 . 5.4 1 , . . . KS R ISO 8709:2012 6 1 (/) , , , a , , , , , MFDD(6.9.2 ) (chalk-pellet gun), 3 , , 3 , , , ( ) , , , , 3 , 3 , a , , , , , MFDD(6.9.2 ) (chalk-pellet gun), 3 , , 3 , , , (Power-assisted) a , . KS R ISO 8709:2012 7 5.5 (Burnishing) 5.5.1 . 5.5.2 . , . 5.5.3 . a) : 50 km/h

9、0.8 Vmax : 5 km/h 10 km/h b) : . c) : : 3.0 m/s2 3.5 m/s2 : 1.5 m/s2 2.0 m/s2 CBS: 3.5 m/s2 4.0 m/s2 d) : 100 e) : 100 f) . , . . . . 6 6.1 . , , . 6.2 . KS R ISO 8709:2012 8 a) b) 6.3 . , , F ( 1 ). : mm 1 F 1 50 mm . , . 6.4 . , 1 . 6.5 , . 6.6 “ ” “ ” . KS R ISO 8709:2012 9 , “ ” . 6.7 . , . 6.8

10、5 km/h . 6.9 6.9.1 7. . 3 6.9.2 6.9.4 . 6.9.2 (1) , dm(m/s2) . )(92.25be2e2bmSSvvd= (1) vb: 0.8 V (km/h)ve: 0.1 V (km/h) V : (km/h) Sb: V vb (m) Se: V ve (m) 6.9.3 S m . , Ss(m) . , (6.8 ) (2) . 2a2saass)1.0(1.0VVVSVS += (2) Vs: (km/h) Sa: (m) Va: (km/h) 6.9.4 KS R ISO 8709:2012 10 , . 6.10 ( A ). (

11、: , , , , , ) (: , , ) , , , 7 7.1 ( ) 7.1.1 . 7.1.2 . , . , . 7.1.3 . a) : 55 100 b) : 0.9 Vmaxc) : d) : : 200 N : 350 N e) : 6 f) , . 7.1.4 (7.1.3 ) (7.1.2 ) KS R ISO 8709:2012 11 . 7.2 7.2.1 . (7.1 ) . . . 2 , . , . . MFDD . 7.2.2 . a) b) CBS , . c) d) . , ( 2 ). i) 15 L/h , . ii) 45 . iii) 2 , 9

12、0 . , . i) ( ) 15 L/h . ii) 2/3 . iii) 15 . KS R ISO 8709:2012 12 CBS . : mm 1 2 3 4 ( 2/3 l ) 5 6 l a 2 7.2.3 7.2.3.1 . a) 7.1 . 2.5 m/s2 3.0 m/s2 . 80 % 10 % 0.5 1 . , 0.5 . b) 3 a) . 7.2.3.2 , . KS R ISO 8709:2012 13 a) , 7.2.3.1 . b) 500 m , . c) 0.5 1 . d) . , 0.5 . 7.2.4 0.5 1 , (7.2.3 ) (7.2.

13、2 ) . , (7.2.3 ) (7.2.2 ) 0.5 . 1 1 (%) . 1 1 (%) . 7.3 7.3.1 3-2 . 7.3.2 . a) b) 7.3.3 . a) : 100 b) : 18 % c) : 400 N : 500 N d) . . e) , . 7.3.4 KS R ISO 8709:2012 14 (7.3.3 ), . 5 . 7.4 7.4.1 . . . . 7.4.2 7.1 . 7.4.3 (7.1.3 ) (7.1.2 ) . 1 , . KS R ISO 8709:2012 15 A ( ) : A.1 : : : (: 3-1): (KS R ISO 3779 ): : . : . : . cm3 : : (KS R ISO 7116): km/h A.2

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