Tiêu chuẩn iso 17893 2004

Foreword ISO t he International Organization for St an ardizat ion is a worldw ide federat ion of nat ional st an ard b dies ISO memb r b dies.. Int ernat ional organiz ation , governmen

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a c pt s n la i t y in t his are

A do e is a tra emark f A do e Sy t ems In orp rat ed

Detais of t he s ft ware pro u ts u e t o cre te t his P F fie c n b fo n in t he Ge eral Info relativ e to th fie; t he P F-cre t io

p ramet ers were o timiz d for print in Ev ery c re h s b e t ak en to e s re th t t he fie is s it able for u e b ISO memb r b die In

th u lk ely ev ent t hat a pro lem relat in t o it is fo n , ple s inform t he Ce t ral Se ret ariat at h a dre s giv en b low

© ISO 2 0

A ll rig ts re erv ed Unle s oth rwis s e ifie , n p rt of t his p blc t io ma b re ro u e or uti z d in a y form or b a y me n ,

ele t ro ic or me h nic l in lu in p oto o y in a d microfim, wit ho t p rmis io in writ in fom eith r ISO at t he a dre s b low or

ISO's memb r b d in t he c u try of t he re u st er

Cont ent s Page

Foreword iv

Int rod c on v

1 Scope 1

2 Terms a d d finit ion 1

3 De ig a on 2

4 Cla sific t ion 3

An e A (informat iv e) Eleme t s of a ro e 3

An e B (informat iv e) De ig a on syst em 3

Alph be c l ind x .4

Foreword

ISO (t he International Organization for St an ardizat ion) is a worldw ide federat ion of nat ional st an ard b dies

(ISO memb r b dies) The work of pre a n Internat ional St an ard is normaly caried out throu h ISO

t ec nical commit t ees Eac memb r b d interest ed in a s bject for w hic a tec nical commit t ee has b en

est abls ed has t he r ig t t o b re resented on t hat commit t ee Int ernat ional organiz ation , government al an

non-gov ernment al, in laison with ISO, also t ake p rt in the work ISO cola orat es closely w it h the

Int ernat ional Elect rotec nical Commis ion (IEC) on al mat t ers of elect rot ec nical st an ardizat ion

Int ernat ional St an ard are draft ed in ac ordan e wit h t he rules given in the ISO/IEC Direct iv es, Part 2

The main t ask of t ec nical commit t ees is t o pre are Int ernat ional St an ar ds Draft Int ernational St an ard

ado t ed by the t ec nical commit t ees are circ lated t o t he memb r b dies for v otin Publcat ion as an

Int ernat ional St an ard req ires a pr oval by at le st 7 % of t he memb r b dies cast in a vot e

At t ent ion is draw n to t he p s ibi ty that some of t he element s of t his doc ment may b t he s bject of p t ent

rig t s ISO s al not b held resp n ible for ident ifyin an or al s c p tent r ig ts

ISO 17 9 was pre ared by Tec nical Commit t ee ISO/TC 10 , Ste l wire ro pes

Int roduct ion

This Int ernational stan ard w as dev elo ed in resp n e t o a w orldwide deman for a sp cificat ion cov erin

t erms an definition as ociat ed w it h t he desig , man fact ure an test in of st eel w ire ro e, for a desig ation

s stem whic would provide man fact urers, purc asers an en u ers w it h a common met hod of des ribin a

ro e, an for a clas ification s stem whic w ould ena le ro es of simiar con t ru t ion an mec anical

pro erties t o b group d toget her

The desig ation an clas ificat ion s st ems est abls ed here can b u ed for desig atin an clas ifyin an

st eel w ire ro e con t ru tion

St eel wire ropes — Vocabular y, designat ion and classificat ion

This Int ernational Stan ard defines terms, an sp cifies a desig at ion s stem an a clas ificat ion s st em, for

st eel w ire ro es

2 Terms and definit ions

F r t he purp ses of t his doc men t he folow in t erms an definit ion a ply

2.1.5

core wire

w ire of t he core of a st ran ed ro e

2.1.6

loa - be rin wire

w ire in a r op regarded as cont ribut in t ow ard t he br eakin force of t he ro e

2.1.7

lay er (of wire )

as embly of w ires havin one pit ch circle diamet er, t he first layer b in t hat laid immediat ely over t he st ran

cent re

NOT E1 T he e c eptio is t he Warin to layer, c omprisin larg a d smal wires, wh re th smaler wires are

p sit io e o a pitch circle diameter whic h is larg r tha th t of th larg r wires

NOT E2 Fi er wires d n t c ons tute a se arat e lay er

lev el of req irement of t en ie st ren t h of a wire an it s cor esp n in ran e, desig ated by t he v alue

ac ordin t o the lower lmit of t en ie st ren th an u ed when sp cifyin w ire an w hen det erminin the

calc lat ed minimum bre kin force or calc lat ed minimum ag regate bre kin force of a ro e

NOT E It is e pres e in n wt ons p r sq are mi metre

con ition of t he s race finis of t he w ire, e.g brig t (u co t ed), zin co t ed, z in aloy co ted or ot her

prot ect iv e co tin an t he clas of co t in , s c as Clas B zin co t in , defined by t he minimum mas of

co t in an the ad eren e of a co t in to t he st eel b low

2.1.13

ma s of coatin

mas of co t in (o tained by a pres rib d met hod) p r u it of s race are of t he u co ted w ire

NOT E It is e pres e in grams p r sq are met re

2.2 St ra ds a d st ra d ty pe

2.2.1

stra d

element of ro e normaly con ist in of an as embly of wires of a pro riate s a e an dimen ion laid

helcaly in t he same direct ion in one or more layers ar ou d a cent re

NOT E Stra ds c ontainin thre or fo r wires in t he first layer, or c ert ain sh p d stra ds (e.g rib o ), mig t n t h v e

st ran wit h a p rp n ic lar cros -sect ion w hic is a prox imat ely the s a e of a t rian le

NOT E T ria g lar st ra ds c an h v e b itu c entres

Se Fig re 2

Fig re 2 — Tria g lar stra d with tria g lar (V) c nt re wire

2.2.7

paralel la stra d

eq al lay

st ran whic contain at le st wo layers of w ires, al of whic are laid in one o erat ion (in t he same direct ion)

NOT E T he la le gths of al the wire lay ers are e u l a d th wires of a y t wo su erimp se lay ers are p ralel,

p ralel lay st ran con t ru t ion havin an out er layer cont ainin alt ernat ely large an smal wires an tw ice the

n mb r of wires as the in er layer

Se Fig re 7

Fig re 7 — Waringt on con t ru t ion

2.2.10

fi er

p ralel lay st ran con t ru t ion havin an out er layer cont ainin tw ice the n mb r of w ires t han t he in er layer,

w it h fi er w ires laid in t he int erst ices b tw een t he layer s

Se Fig re 8

Fig re 8 — Fi er con t ru t ion

2.2.1

combin d paralel la

p ralel lay st ran con t ru t ion havin thre or more layers laid in one o erat ion an formed fom a

combination of st ran typ s W ar in ton (2.2.9) an Se le (2.2.8)

Se Fig re 9

Fig re 9 — Ex ample of W arington- Se le combin d paral el la

2.2.12

mult iple o era on la st ran

con t ru t ion cont ainin at le st two layers of wires in w hic s c es iv e layers are laid in more t han one

o eration

2.2.13

cros -la

M

st ran w hic cont ain more t han one layer of wires, al laid in the same direction, t he w ires of s p rimp sed

w ire layers cros in one anot her an makin p int cont act

2.2.14

N

st ran whic cont ain a minimum of t hre layers of w ires where the out ers layer is laid in a se arate o erat ion,

but in the same direct ion as t he ot hers, ov er a p ralel lay con t ru t ion formin t he in er layers

2.2.15

compa t ed stra d

K

st ran whic has b en s bject ed t o a comp ct in proces s c as draw in , rol n or swagin where y t he

met al c cros -sect ional are of t he wires remain u alt ered where s t he s a e of t he w ires an t he

dimen ion of t he st ran ar e modified

Se Fig re 10

Fig re 10 — Compa te rou d st ra d

core made fom eit her nat ural fibres (NFC) or s nt het ic fibres (SFC)

NOT E Fibre c ores are n rmaly pro u e in th se u nce fibres to y rns, y arns to stra ds a d st ra ds to ro e

2.3.3

ste l core

W C

core made fom st eel w ires aran ed as a w ire st ran (WSC) or as an in e en ent wire ro e (IWRC)

NOT E 1 T he ste l c re a d/ or it s o ter stra ds c n also b c ov ere with eith r fibre or sold p ly mer

NOT E 2 T he st ra d d ro e c ore is n rmaly ma e as a se arate u it, th e c pt io b in wh re the c re is close in

p ralel with the o ter stra ds, d sig ated PWR C

2.3.4

sold p lymer core

SPC

core con ist in of a sold p lymer mat erial hav in a r ou d s a e or a rou d s a e w it h gro ves, an which

can also cont ain an internal element of wire(s) or fibre

2.4 Lubric nts a d pre erv tion a e t s

2.4.1

ro e lubric nt

mat erial a pled d rin t he man fact ure of a st ran , core or ro e for t he purp se of red cin int ernal fict ion

an / or as ist in in prov idin prot ection again t corosion

pre erv t ion a e t

mat erial, u ualy some form of bloc kin comp u d, a pled d rin an /or aft er man fact ure of t he ro e an /or

t o fibre in ert s an coverin s for t he purp se of as ist in in prov idin pr ot ect ion again t corosion

as embly of several st ran s laid helcaly in one (sin le-layer ro e) or more (rot at ion-esist ant or p r al

el-closed ro e) layers ar ou d a core or cent re

NOT E S a d d ro es c nsistin of thre or fo r o t er st ra ds mig t, or mig t n t ,h v e a c re

2.6.1.3

rota on- re ista t ro e

mult i-st ran ro e (s p rseded)

non-ot at in ro e (s p rseded)

st ran ed r op desig ed t o generat e red ced lev els of t orq e an rot ation when lo ded

Se Fig re 12

NOT E 1 Rot atio -resist ant ro es g n raly comprise a as embly of at le st t wo lay ers of stra ds laid h lc aly aro n

a c ntre, the direc tio of la of t he o ter st ra ds b in o p site to t hat of the u d rly in lay er

NOT E 2 Ro es h v in thre or fo r st ra ds c n also b d sig e to e hibit rotatio al-resista t pro erties

Fig re 12 — Ex ample of rot ation-re ist ant rope

2.6.1.4

paralel- clos d ro e

st ran ed ro e con ist in of at le st w o layers of st ran s laid helcaly in one closin o eration arou d a st ran

or fibre cent re

Se Fig re 13

Figure 13 — Ex ample of paralel- clos d ro e

2.6.1.5

compa t ed stra d rope

st ran ed r op in w hic t he st ran s, prior t o closin of t he ro e, are s bject ed t o a comp ct in proces s c

as drawin , rol n or swagin

2.6.1.6

compa t ed (swa e ) ro e

st ran ed ro e whic is s bject ed t o a comp ct in (u ualy swagin ) proces aft er closin t he ro e, t hu

red cin it s diamet er

ele tro- me h nic l ro e

st ran ed or spiral ro e containin elect rical con u tors

Se Fig re 16

2.6.2 Spiral ro e

2.6.2.1

spiral ro e

as embly of at le st tw o layers of wires laid helcaly ov er a cent re rou d w ire, buit -up st ran or p ralel-lay

st ran , wit h at le st one layer of w ires b in laid in the o p sit e direction, i.e cont ra-lay, to t hat of t he out er

ful -lock ed coi ro e

spiral ro e hav in an out er layer of ful loc (Z-s a ed) w ires

Se Fig re 2

Figure 2 — Ex ample of ful- lock ed coi ro e

2.6.3 R ope wit h cov rin s a d/or fi in s

2.6.3.1

sold polymer-cov re rope

ro e cov ered (co t ed) w ith a sold p lymer

2.6.3.2

sold polymer- fi e ro e

ro e in w hic t he fe int ernal sp ces are fi ed wit h a sold p lymer t hat ex ten s t o, or slg t ly b yon , the

out er circ mferen e of t he ro e

Se Fig re 21

Fig re 21 — Sol d p lymer fi e ro e

2.6.3.3

sold polymer cov red a d fi e rope

ro e whic is cov er ed (co ted) an fi ed w it h a sold p lymer

2.6.3.4

c s ion d core ro e

ro e in whic the core is cov ered (co t ed), or fi ed an cov ered (co t ed), wit h a sold p lymer

Se Fig re 2

Fig re 2 — Cu hion d core ro e

2.6.3.5

c s ion d ro e

ro e in whic the in er layers, in er st ran s or core st ran s are cov ered w it h sold p lymers or ibres t o form a

c s ion b tw een adjacent st ran s or ov erlyin layers

2.7.1

dime sion of rou d wire

diamet er (δ) of t he p rp n ic lar cros -sect ion of t he wire

dime sion of s ape wire

〈ful-loc wire〉 heig t of t he w ire

2.7.3.2

dime sion of s ape wire

〈halfloc k wire〉 heig t an w idth of t he w ire

Se Fig re 2

dimen ion of t he heig t d

s1

an it s coresp n in p rp n ic lar w idt h (d

s)

Se Fig re 2

Fig re 2 — Dime sions of s ape stra d

2.7.6

dime sion of rou d ro e

diamet er whic circ ms rib s t he ro e cros -sect ion

Se Fig re 2

Fig re 2 — Dime sion of rou d ro e

dime sion of cov re rou d ro e

diamet er w hic circ ms rib s t he overal ro e cros -sect ion, in lu in the cover, folow ed by t he diameter

w hic circ ms rib s t he u derlyin ro e (d)

EXA MPLE 16/13

2.7.9

dime sion of cov re flat ro e

w idth an thic nes of t he complet e cros -sect ion, in lu in t he cover, folowed by t he w idth (w) an t hic nes

(s) of t he u derlyin cros -sect ion env elo e, in lu in st it ches or riv et s

Figure 2 — La le gt h — Stra d

2.7.1

ro e la le gt h

H

dist an e p ralel t o the lon it udinal ro e ax is in w hic t he outer wires of a spiral ro e, the out er st ran s of a

st ran ed ro e or t he u it ro es of a ca le-laid ro e make one complet e t urn (or helx ) a out t he ax is of t he

len t h w hic coresp n s to t he act ual len t h s p led u in a pres rib d met hod

NOT E T he me sure le gt h c n also b sp c ifie at a pre-d termin d lo d

2.7.15

produ tion le gt h

〈st ran ed ro e〉 len t h of finis ed ro e prod ced fom one lo din of t he closin mac ine an comprisin

st ran s e c of whic has b en prod ced as one contin ou len th

direct ion, rig t (z ) or left (s), coresp n in to the direct ion of lay of t he outer wires in relat ion t o the

lon itu inal ax is of t he st ran

direct ion, rig t Z) or left S), coresp n in to the direct ion of lay of t he out er wir es in a spiral r op , t he outer

st ran s in a st ran ed ro e or t he u it ro es in a ca le-laid ro e in relat ion to t he lon it udinal ax is of t he ro e

2.8.3

ordin ry la

sZ, zS

st ran ed ro e in whic t he direct ion of lay of t he w ires in t he out er st ran s is in t he o p site direct ion t o the

lay of t he outer st ran s in the ro e

Se Fig re 31

NOT E T he first lett er of the sy mb l d n tes st ra d direc tio ; th se o d ro e direc t io

2.8.5

altern te la

aZ, aS

st ran ed ro e in w hic t he direction of lay of wires in t he out er st ran s is alternat ely left an ri ht s c t hat

half of t he ro e is ordinar y lay w hie t he other half is lan lay an t he lay direct ion of t he ro e w il b either

rig t aZ) or left aS)

2.8.6

cont ra-la

:

ro e in whic at le st one layer of w ires in a spir al ro e or one layer of st ran s in a st ran ed ro e is laid in t he

o p sit e direct ion to t he other layers

NOT E Co tra-la is o ly p s ible in spiral ro es h v in more t ha o e lay er of wires a d in st ra d d ro es

(e.g rotat io -resist ant h v in more tha o e lay er of st ra ds

conv ent ional v alue by w hic t he pro erty is desig at ed

NOT E T he sy mb l d es n t h ve a sufix

2.9.2

minimum v lu

sp cified v alue, as ociated w it h a pro erty, b low whic t he me s red v alue is not alow ed to fal

NOT E T he sy mb l h s a inferior (i.e su script ) sufix “min”

2.9.3

c lc lat ed v lu

v alue o tained by calc lat ion b sed on given or me s red v alues an on conv ent ional fact ors

NOT E T he sy mb l h s a inferior (i.e su script ) sufix “c”

2.9.4

ma ufa turer's d sig v lue

an value (e.g wir e size, lay len t h, calc lat ed minimum bre kin force, spin in los ) w hic is sp cified in a

ro e desig

2.9.5

re u e v lue

v alue of are or bre kin force t akin into ac ou t t he red ction coresp n in t o the are or st ren th

ot her w ise cont r ibuted by t he non-lo d b arin w ires

NOT E T he sy mb l h s a inferior (i.e su script ) sufix “re ”

2.9.6

me s red v lu

v alue deriv ed by direct me s rement in t he pres rib d man er

NOT E T he sy mb l h s a inferior (i.e su script ) sufix “m”