KS R ISO 4928-2009 Road vehicles-Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic brake fluid(Service temperature 120 ℃ m.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS R ISO 4928 ( 120 )KS R ISO 4928:2009 2009 10 26 http:/www.kats.go.krKS R ISO 4928:2009 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :2002 12 27 :2009 10 26 2009-0649 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS R ISO 4928:2009 ( 120 ) Road ve

2、hicles Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic brake fluid(Service temperature 120 maximum) 2006 3 ISO 4928, Road vehicles Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic b

3、rake fluid(Service temperature 120 max.) 1 (seal) . , . . 60 mm , , ISO 4925 ( ) . 2 . . ( ) . KS M ISO 48, (10 IRHD 100IRHD ) KS M ISO 188, KS R ISO 4926, ISO 1250, Mineral solvents for paints White spirits and related hydrocarbon solvents ISO 4925, Road vehicles Specification of non-petroleum-base

4、 brake fluids for hydraulic systems 3 . KS R ISO 4928:2009 2 3.1 (sloughing) . 3.2 (scoring) 3.3 (scuffing) 4 4.1 , (pin-holes), , , , . 4.2 . “KS R ISO 4928” . 4.3 . 4.4 . 5 5.1 6.1 , 1 . . 1 (120 ) , , 0.0 % 20.0 % 0.0 % 5.75 % 0.0 % 5.75 % 15 IRHD 0 IRHD KS R ISO 4928:2009 3 5.2 6.2 , 0.3 % . 5.3

5、 5.3.1 6.3 , 5.3.2 5.3.6 . 5.3.2 (stroking) 2 . 2 mm mm 19.05 19.05 25.4 25.4 38.1 38.1 60 0.40 0.50 0.65 0.75 5.3.3 . 5.3.4 (bore) (pitting) . . 5.3.5 6.7 , 15 IRHD . 5.3.6 , , , , ( ) . 5.4 5.4.1 6.4 , 5.4.2 5.4.6 . KS R ISO 4928:2009 4 5.4.2 3 . 3 mm mm 19.05 19.05 25.4 25.4 38.1 38.1 60 0.30 0.4

6、0 0.50 0.65 5.4.3 (5.3.3 ). 5.4.4 (5.3.4 ). 5.4.5 (5.3.5 ). 5.4.6 (5.3.6 ). 5.5 5.5.1 6.5.1 , . 5.5.2 6.5.2 , , 1 . 5.6 5.6.1 6.6 , 5.6.2 5.6.3 . 5.6.2 5 IRHD . KS R ISO 4928:2009 5 5.6.3 . 5.7 5.7.1 6.8 , 5.7.2 5.7.3 . 5.7.2 4 . . . 4 mg/cm2 0.2 0.2 0.1 0.2 0.4 0.4 0.4 5.7.3 (235) (jelly) . . 0.2 %

7、 . 5.8 6.9 , 12 , . ( ) . 6 6.1 6.1.1 6.1.1.1 0.02 mm , X KS R ISO 4928:2009 6 6.1.1.2 250 mL 50 mm 6.1.1.3 1 mg 6.1.1.4 KS M ISO 188 B , 6.1.1.5 (weighing bottle) 6.1.1.6 95 %( ) 6.1.2 120 . 6.1.3 (6.1.1.6 ) , . 30 . 0.02 mm . . . (6.7 3 ). : (m1) 0.001 g , (m2) . , . KS R ISO 4926 (751) mL (6.1.1.

8、2 ) . (6.1.1.4 ) , (1202) (702) . , 60 90 (235) . , , . 30 . , (6.1.1.5) (m3) . (m4) . 0.001 g . 60 , . 6.1.4 6.1.4.1 V . . KS R ISO 4928:2009 7 100212143mmmmmmV m1: (g) m2: (g) m3: (g) m4: (g) 6.1.4.2 . 6.1.4.3 . 6.1.4.4 . 6.2 6.2.1 6.2.1.1 250 mL 50 mm 6.2.1.2 100 mL 6.2.1.3 KS M ISO 188 B , 6.2.2

9、 (4.00.5) g . . (4.00.5) g . 6.2.3 (6.2.2 ) KS R ISO 4926 75 mL (6.2.1.1 ) . , (6.2.1.3 ) (1202) (702) , . , 24 . 100 mL (6.2.1.2 ) KS R ISO 4928:2009 8 . a) 10 mL . ( ) 100 mL ( .) , 20 . . 32 35 5 . 20 . . , . . b) (trunnion cup) . 600 rcf700 rcf (relative centrifugal force: rcf) 10 . 3 . 4 . c) 0

10、.1 mL 0.1 mL . 0.1 mL “ ” . 0.1 mL 2 4 . 6.3 6.3.1 6.3.1.1 KS M ISO 188 B , 6.3.1.2 (3.81.7) mm 6.3.2 . 6.3.3 (6.1.1.6 ) . 30 . 0.02 mm . . . 6.7 IRHD . KS R ISO 4926 , KS R ISO 4928:2009 9 , , ( ). (6.3.1.2 ) KS R ISO 4926 , , . (6.3.1.1 ) (1202) (702) . (7.00.3) MPa . (0.280.03) strokes/s (1 00010

11、0) strokes/h . 1 (MPa) 12.7 mm60 mm . , “ ” . 1 , . (222) . . . . . 30 . , , , , ( ) . . 6.7 IRHD . 3060 , ( 2 ). . KS R ISO 4928:2009 10 X (mm) Y (MPa) 1 12.7 mm60 mm 6.4 6.4.1 6.4.1.1 KS M ISO 188 B , 6.4.1.2 (0.280.03) stroke/s(1 000100) strokes/h . 90 % . 6.4.2 1 2 . 6.4.3 (6.1.1.6 ) , KS R ISO

12、4928:2009 11 . 30 . 6.7 IRHD . 1 2 0.02 mm . . 2 2 . KS R ISO 4926 , . KS R ISO 4926 , . (1202) . , 150 mm . (702) (0.280.03) strokes/s(1 000100) strokes/h (1202) . 63 mm 63 mm 90 %, 57 mm . (0.220.02) stroke/s(80080) strokes/h . (3.50.3) MPa . 2 25 mm 22 mm (MPa) . (250.4) mm . 14 mm15 mm 1 MPa . 1

13、 (compensating port) . 1.6 mm3.2 mm (7.00.3) MPa . , 1 2 2 . , “ ” . 1 . (222) . 2 . , 1 , (6.1.1.6) . 2 (6.1.1.6) , 3060 . 30 . , , , , ( ) . . 1 30 60 , , 1 2 . 6.7 IRHD . . , 0.05 mm0.13 mm . KS R ISO 4928:2009 12 X (mm) Y (MPa) 2 ( 25 mm) 6.5 6.5.1 6.5.1.1 6.5.1.1.1 6.5.1.1.2 . 4 . . 6.5.1.1.3 0

14、.35 MPa (retractor spring) 6.5.1.2 , 1 2 . 6.5.1.3 (6.1.1.6 ) , . KS R ISO 4928:2009 13 30 . . , KS R ISO 4926 . . (6.5.1.1.2 ) (6.5.1.1.1 ) . . . . 40 43 (1202) . 72 . , 24 (72 , 96 , 120 ), 0.7 MPa 6 , 3.5 MPa 6 . 1 , . 6.5.2 6.5.2.1 . 6.5.2.2 40 43 (221) , 90 (6.5.1.1.1 ) , . 1 . 6.6 6.6.1 6.6.1.1 KS M ISO 188 B 6.6.2 . 6.6.3 (6.1.1.6 ) , . 30 . 6.7 IRHD . (6.6.1.1 ) , (1202) (702) . 16 96 . . . 6.7 KS R ISO 4928:2009 14 3

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