KS K ISO 2649-2009 Wool－Determination of short-term irregularity of linear density of slivers rovings and yarns by means of an electronic evenness tester《羊毛 用电子均匀度检验机测定毛条、粗纱和纱线的线密度.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS K ISO 2649 , KS K ISO 2649:2009 2009 7 31 http:/www.kats.go.krKS K ISO 2649:2009 : ( ) ( ) LS FITI ( ) : (http:/www.standard.go.kr) ： ： 2004 12 22 ： 2009 7 31 2009-0374 ： ： ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS K ISO 2649:2009 i ii iii 1 1 2

2、1 3 1 4 3 5 3 6 .4 6.1 .4 6.2 4 7 .5 8 .5 9 .5 9.1 .5 9.2 .6 9.3 100 % 6 9.4 . .6 9.5 0 .7 9.6 .7 9.7 8 9.8 8 10 .9 10.1 .9 10.2 9 11 .10 A 11 B Zellweger-User .12 B.1 .12 B.2 .16 C18 D .19 E .20 F 21 G( ) .23 KS K ISO 2649:2009 ii . KS K ISO 2649： 2004 . . , , . , , . KS K ISO 2649:2009 iii 1974 1

3、ISO 2649, Wool Determination of short-term irregularity of linear density of slivers, rovings and yarns, by means of an electronic evenness tester , . . , . . KS K ISO 2649:2009 , Wool Determination of short-term irregularity of linear density of slivers, rovings and yarns, by means of an electronic

4、 evenness tester 1 5 tex 40 ktex , . . 2 . . ( ) . KS K ISO 139, 3 (head) . (head) ( , 20 m 100 m ). . . Lp Lb (a ball of top), , . (parameter) Lp Lb (b between, p package). KS K ISO 2649:2009 2 Lb 0 , Lp . Lb 10 mm . (drift) . Lb (103) mm 20 mm . Lp , 250 m ( ) . Lb (103) mm CV(Lb, 250 m) (referenc

5、e measurement) . ( ), Lw1) Lb CV U2) CD . . a) Lb Lc( ) . . , Zellweger-Uster Lc 4. . b) Lw 3 , . 1) ( , T1 T2) 2) V . 3) B(L) ( n)n . B(L) L L CV2 . CV(Lb, Lw) Lw . Lw Ls3) . ( ) , ( ) (： ) . (Ts Ls / V ) . , CV(Lb, Lw) CV(Lb, 250 m) ( ) 5 % . CV(Lb, Lw) B(L) L Lb ( , ). C a) , B(L) ( n) 1) Lw： w w

6、ithin 2) CD Zellweger-Uster “U” . 3) Ls KS K ISO 2649:2009 3 r CV(8 mm, Lw)/CV(8 mm, 250 m) . (under-estimation) . (n： 0.1 0.3) 5 % . . a) CV(Lb, Lw) . b) B(L) , r 0.96 CV(Lb, 250 m) CV(Lb, Lp) CV(Lb, Lw) 1/r . r C a) . c) , (： ), D . Lt. ( , ) , 7. Lt (Ls ). 4 . . . t Lcmm f(t) ( Lc 8 mm, 5 8, 12 m

7、m, 2, 3, 4, 20 mm, 1). f(t) “ ” . Lw Lcmm CV(Lb, Lw) , CV(Lb, Lp) (Lb Lc). CD(Lb, Lw) . CV(Lb, Lw) C.V. , CD(Lb, Lw) U . . 5 4) . 4) . , . KS K ISO 2649:2009 4 a) , 0 100 % 100 % , f(t) . . b) . 1) . “ ” U % CD % . “ ” (running mean) . 2) “Evaluating time” U % CV % . c) f(t) . B . 6 6.1 ( , ) . ( ,

8、250 400 m ), 24 . , (250 400 m ), 48 . 6.2 6.2.1 KS K ISO 139 , . a) ( 1.5 m). . b) , 4 % ( ). 6.2.2 . . a) (18 28) , 3 0.05 /min . KS K ISO 2649:2009 5 b) (50 75) %, 3 % . 0.25 %/min . , ( ) 5 ( ) . 7 CV(Lb, Lw) 9. . . , , , ： 3 3 (finisher) ： 4 ： 10 CV(Lb, Lw) . 90 % 4 % . , . 8 6.1 . . , , . . ,

9、. 9 , , . . 9.1 . B . , 1 . . ( , ) KS K ISO 2649:2009 6 1 . 9.2 100 % “Normal test” “Main supply” 1 . ( “Recorder” 1 ). “Average value” 2 . B10 B18 , “Average value” 5 . B19 , “Average value” 16 0 . “Adjustment without material” 1 100 % . , “Recorder” 1 . , “Clear” . 30 ( 5 ). 9.3 100 % . , . . , “

10、Clear” . “Normal test” , 100 % “Adjustment” 1 . “Service selector” 4 “Adjustment” . . a) “Adjustment without material” 1 . 1 . 1 . b) “Normal test”( 4) 100 % . 1 % , “ 100 %” (flap) 106 . , a) b) . 9.4 . 9.4.1 4 “Normal test” , 3 . ： 100 % ： 50 %, 25 % ： 25 %, 12.5 % KS K ISO 2649:2009 7 , U % CV %

11、. 9.4.2 ( E ). , 2.5 % . E . . 9.4.3 , 50 m/min , 25 m/min . . a) . b) . . c) . d) . , . 9.5 0 0 . “Average value” ( ) 2 0 % . , 4 “Inert test” 15 1 “Average value” . “Normal test” ( 4) . 0 , “Average value” 2 . ( , 10 5 1 5 ) . 9.6 9.6.1 “Average value” , “Clear” 30 ( ) . 30 ( 2 ) KS K ISO 2649:200

12、9 8 “Low” . 1 (4 ) . . “Integration” . 3 . “Average value” (0.5 ). “Integration” . 9.6.2 , “ ” . “ ” “ ” , f(t) . . “Main supply” 7 . 9 “Range of scale” 3 . “Average value” 5 “Evaluating time” 0 ( 10 cm/min ). “Evaluating time” 9 ( 1 ) . 9.7 9.7.1 “Low” , 30 (2 ) . 5 250 m 10 . “Recorder” ( ： 10 cm/

13、min). 9.7.2 5 ( 5 5 ) . (0 ) 8 “Output” . 9.8 100 % ( 100 % 98 % ). , . KS K ISO 2649:2009 9 , 0 “Recorder” . , “Evaluating time” 5 . 8 . . ( 4 ) “Adjustment” 9.3 9.8 . 10 10.1 “ ” “ ” . “ ” , “ ” . , . a) “ ” U % ( L). b) “ ” m . c) CD % 1004100% +=mUCD(100 % ) 1002100% +=mUCD(50 % ) 100100% +=mUCD(25 % ) 1005.0100% +=mUCD(12.5 % ) (m： .) Zellweger 126.851 . d) CD %( U % ) , CV % 1.25 CD % CV % . . CV (Lb, Lw) Lb Lw . . CV(8 mm, 55 m) 18 %Lw , C b) 10.2 (5 ), U % CV % . L , CV % (CV % 1.25 U %). KS K ISO 2649:2009 10 CV(Lb, Lw) . 11