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Foreword maters of electrotech ic al sta d rdizatio.. Ste l wire ro es... laid up fom at lea st thre sta nd... Annex Dnorma tiv e th spe ime a nd tansfer it to a So hlet ap para tu.

INT R A TION L ORGA IZATION FOR STA D R IZATION

IS0 4345 : 19 8 (I3)

Foreword

maters of electrotech ic al sta d rdizatio

Ste l wire ro es

T his seco d e itio ca cels a d re laces th first e itio (IS0 4 4 : 19 71,of which it

co stitutes a tech ical rev isio

Printe in Switzerla d

Steel wire ropes - F ibre main cores - Specifica tions

type of fib re :

a) natural;

This internatio al Sta ndard is n t a p plcable to rope for min

NOT - F ibre c ores may b a dv ersely a ffected by hig ambient

tempra tures; when selec tin fibre c ores, the lmita tion of sp ec ific

fib res in this respc t sould b rec og ized

-

sisa l (Agav e sisalana);

-

a baca ; Mania h mp (Mu s tex tik)

-

fib ri ate fim of poly th le e, polypropyle e, etc );

-

a ny s itable alternativ e m eria ls a gre d betwe n c re

purc a ser a nd c re s p p lier

laid up fom at lea st thre sta nd E c c i s a ll be c ntin o s

n minal ru na ge (mas p er u it le gth); th s s a ll be a gre d

turer T he c re ma nufa cturer s a ll state wh th r th ru nage is

6 T olera nces

I># O m: ’ ‘z m for eac 1 0 0 m or p art th re f

pre s d as p erc ntage , s all be as giv en in tab le 1

T a ble 1

Tolera nces expresed a s a prcenta ge

r

T olera nces on

T yp of

fibre

nominal dia meter, D

nominal

ru na ge

I

Na tura l

I

a ll sizes :

+

I +

0

Man-made

tain moisture

ann x C

I Acidity an sa lt a re norma lly a ssocia ted only with na tura l fib re c ores an may not b a pplca ble to man-made fib re c ores

1

9 S a lt”

c is or re ls E c pa ckag s a ll

clm ic c n itio s in tansit;

b ) bea r a la b el giv in th name of th c re s pp lier, th

of fib re

1) Acidity a nd sa lt a re n rmaly a ss cia te o ly with natural fib re c re an may n t be a p plcable to man-mad fib re c re

Annex A

s ita le s bsta ce ov er a dista ce of a out 5 m

0

e ch of th se p ints

core diameter

diameter

T his test sha ll o ly b u e for cores b fore th y h v e b e put

ro es

(normative)

giv en in a n x A

T he tester sha ll state wh th r th run age refers to a lubric ate

3

Annex C

From th c nte of a le gth of wire rope c re ha v in a mas of

xle e or a n a p p ropria te be z le fac tio , a nd c n e s it in a

0, g a nd p ut it into a n w e tactio sle v e, of known mas

Dry a n ex tractio fla sk of n minal ca pa city 2 0 ml for at least

2 h in a dryin ca b in t at 10 “C Co l th flask in a d sic a tor

form, or, if c lo rle s impre na tin age ts a re p re e t, u ti a

Afer ex trac tio , ev apora te th slv ent, leav in a smal q a n-

tity Ev apora te this re id a l q a ntity of th ex tractio a ge t in a

cln d p ositio Co l th flask for 2 h in a d sica tor a nd weig

a ga in to 0,0 1 g C alc ula te, by difere c e, th mas

m3 of th

C c la te th ex tracta b le c onte t, M, e pre s d as a perc n-

M=

m3

ml - (m3 + m5)

x 10

ml

minin th ex tracta b le c onte t;

spe ime ;

T his meth d s a ll o ly be u e for c re b efore th y ha v e be n

wire rop es

1 j Ate tio is dra wn to th to icity of meth le e c lorid ; it is re om e d d that for ro tin d termina tio s, 6 /8 ° petole m eth r be s b stitute

4

Annex D

(norma tiv e)

th spe ime a nd tansfer it to a So hlet ap para tu

F ilter thro g a fiter p ap er, a nd was th re id e s c e siv ely

A dd a few drops of p he olp htha lein to th ex tra c t a nd titate

gram, as folows :

10 x v

Z -

mo

wh re

(norma tiv e)

At east o e bale in ev ery 2 or p art th re f of raw fib re s all be

T he s le te sample s a ll be laid with th fib re p arallel alter

s a ll be take T his c ntal s ctio s all be mix d by rol n to

form a bu dle with p arallel fib re

A sample of fib re s a ll th n be s le te at ran om fom v a rio s

Plac 10 g of th fib re, sample as abov e, in a pla tin m or si ca

tio , th n ev apora te to dry e s a nd ig ite at a tempera ture n t

s fic ie tly c a rre to yield a c lo rle s fitate o ex tractio

with w er

Exta ct th re id e with h t w er, fiter a nd wa sh R eturn th

p letely

re id e, a nd a dd this s lutio a nd was in s to th a qu o s e -

tac t

a c id, a known v lume of a 0, mol/l standard v olumetic siv er

s lfate, a nd titr ate th e c s siv er nitate with a 0, mol/l

ma ne t lg tbrown c lo r d v elops

ba sis that 1 ml of a 0.1 mol/l siv er nitate s lutio is e uiv ale t

to 0,0 5 8 g of s dium c lorid

clorid

5

UDC 6 7.721 : 6 7.1 4

Desc riptors : metal prod c ts, wire roe,

c ores, stra nd , tex tie fibres, spc ific a tion, tests, desig ation, markin , pc kin

Pric e bsed on 5 pges