Tiêu chuẩn iso 03547 4 2017

© ISO 2017 Plain bearings — Wrapped bushes — Part 4 Materials Paliers lisses — Bagues roulées — Partie 4 Matériaux INTERNATIONAL STANDARD ISO 3547 4 Third edition 2017 02 Reference number ISO 3547 4 2[.]

Plain bearing s — Wrapped bushes —

Part 4:

Materials

Paliers lisse s — B ag es ro lée s —

Partie 4 : Matériau

T ir d edition

2 17-0

Reference n mb r

ISO 3 4 -4:2 17(E)

COPYRIGHT PROTECTED DOCUMENT

© ISO 2017, P blshed in Sw itz rlan

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the r eq eser

ISO c pyrig ht ofic

F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 1

4 Req irements 1

4.1 Chemical analysis 1

4.2 Har dnes v lues 2

Biblog raphy 5

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www iso org dir ctives)

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www iso org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lat ed t o conformity

as es ment, as wel as information a out ISO’ s adhe enc t o the WTO principles in the Te h ical

Bar ie s t o Trade (TBT) se the fol owing URL: www iso org iso/ for word html

This document was pr p r d b Te h ical C mmitt ee ISO/TC 1 3, Plain bearin s , Subcommitt ee SC 3,

Dimens io s , tole a c es a d c ons truc tio detail s

This third edition canc ls an r plac s the se on edition (ISO 3 47-4:2 0 ), w hich has be n t ech icaly

r vised

A l s of al the p rt in the ISO 3 47se ies can be foun on the ISO websit e

Plain bearing s — Wrapped bushes —

Part 4:

Materials

This document gives spe if ications for sold an multi-la e bearing mat erials, such as those used for

wra ped bushes in ac ordanc with the othe p rt of ISO 3 47

2 Normati ve r eferences

The folowing document ar r fe r d t o in the t ext in such a wa that some or al of their cont ent

cons itut es r q ir ment of this document F or dat ed r fe enc s, only the edition cit ed a ples F or

un at ed r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment ) a ples

ISO 3 47-1:—

1)

, Plain bearin s — Wra ped b shes — Part 1: Dimens io s

ISO 43 8-1, Plain bearin s — Te ms, de initio s , clas s ific ation a d sy mb l s — Part 1: Des ig , bearin

mate ial s a d their pro erties

ISO 43 8-4, Plain bearin s — Te ms , de initio s , clas s ific ation a d sy mb ls — Part 4: B as ic sy mb ls

ISO 43 2- 2, Plain bearin s — Co pe aloys — Part 2 : Wro g t c op e alo s fr s old plain bearin s

ISO 43 3, Plain bearin s — Multia e mate ials fr thin-waled plain bearin s

ISO 43 4-1, Plain bearin s — Hardnes s tes tin o bearin metal s — Part 1: Multia e bearin s mate ial s

ISO 43 4- 2, Plain bearin s — Hardnes s tes tin o bearin metals — Part 2 : S ld mate ials

3 Terms and definitions

F or the purposes of this document, the t erms an def initions given in ISO 43 8-1 an ISO 43 8-4 a ply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— ISO Onlne brow sing plat orm:a ai a le at ht p:/ www iso org o p

— IECEle tro edia: a aia le at ht p:/ www ele tro edia org

4.1 Chemical anal ysis

Chemical analy sis shal be definitive for the ac eptanc of the bearing metals Arbitrary analy ses or

ran om sampl ng o e ations shal be pe formed in ac ordanc with r co niz d methods an a r ed

betwe n the sup le and use

4.2 Hardnes values

The hardnes v lues in icat ed in Ta les 1 an 2 ar ty ical for each of the mat erials conc rned

In practic , comp sition an proc s ing v ria les can r sult in significant v riations in hard es

Hard es spe if ications shal be a r ed betwe n the sup le an use

Table 1 — Sold materials

a Hardnes

b

(guide values)

HB 2,5/6 ,5/ 10

Not es r lat ed t o a pl cation

Wal

thick es

t ole anc

se ies c

Suita le for secon ary ap lications with

lightly lo ded sliding characteristic

A

Y1

C Sn8P

1 0 Very high lo d capacity, g od antifrictional

property, e.g for vehicles, transmis ions,

con-veyor systems an a riculturalmachinery

A,C, W

W1

C Zn3 Si

1 0 High lo d capacity, g od antifrictional

properties, e.g for te tile machinery, mot or

vehicles an a ricultural machinery an lif s

a

Ste l c mposition shal be agre d between the su pler an user It wi normaly have a c rbon c ntent of les than

0,2 %;c mposition of be rin material in a c rdanc with ISO 4382-2

b

Hard es tes in in a c rdanc with ISO 438 -2

c

In a c rdanc with ISO 3 4 7-1:—, Tables 5an 6

Table 2— Multi laye materials

Key

Designation

a

Hard es

b

(guide values)

Not es r lat ed t o a pl cation

d

Backing

mat erial

Bearing mat erial

Backing

mat erial

c Bearing

mat erial

Very g od emerg ncy ru ning

charact eristic , fair lo d capac

-ity, e.g for p mps,compres or ,

aut omatic transmis ions,

start-er an camshaf s

A, C, W

S St eel C Pb 4Sn (cast) 1 5 5 HB t o 8 HB High lo d capacity, with

hard-ened shaf s b ing neces ary as

a rule, e.g for automatic

trans-mis ions, ste ring as emblies,

camshaf s an p mps

S St eel C Pb 4Sn (sint er) 1 5 40 HB t o 60HB

S St eel C Pb 4Sn (cast) 1 5 60 HB to 9 HB As for the material with keys

S an S ; more suita le for the

emb s ing of gro ves Very high

lo d capacity, with hardened

shaf s b ing neces ary as a rule,

e.g for gu g on pins an rocker

arm b arings, transmis ion

shaf s, ste ring as emblies an

p mps Availa le with gre t er

Brinel hard es for special

ap lications

S4 St eel C Pb 4Sn (sinter) 1 5 45 HB to 9 HB

S St eel C Pb 10 n1 (cast) 1 5 70 HB to 1 0 HB

S6 St eel C Pb 10 n1 (sinter) 1 5 60 HB to 9 HB

1 0HV t o 160

HV

High lo d capacity, e.g for smal

en bushes of con ecting rod

an for joint parts which are

vibrat ed

High lo d capacity, with

hard-ened shaf s b ing neces ary as

a rule, e.g for transmis ions

an hydraulic p mps

Go d emerg ncy ru ning char

-acteristic , fair lo d capacity,

e.g for refrig ration plant,

compres or an p mps

A, C, W

High lo d capacity, g ood seizure

resistance, e.g for transmis ions

camshaf s an h dra ulic p mps

R4 St eel AlZn5 1 5HB 60 HB to 1 0HB Higher lo d capacity

With porous

sin-tered bronze, f il er

an surface co ting

(ru ning -in co

t-ing)of P F with

ad itives

140

—

Low friction; for vehicle

suspen-sion struts, g ar lever , pivot

b arings, p mps an lifing

ma nets; operating rang from

− 2 0 °C t o + 2 0°C, but not

suita le for machining in the

b aring b re; suita le for use as

a dry b aring mat erial

B

With porous

sin-tered bronze co t ed

with thermoplastic

140

—

High lo d capacity, gre sed on

as embly, e.g for c anes, hoists,

lifs, packa ing machinery an

a ricultural machinery, some

temperature limitation

e

D, E

Designation

a

Hard es

b

(guide values)

Not es r lat ed t o a pl cation

d

Backing

mat erial

Bearing mat erial

Backing

mat erial

c Bearing

mat erial

With directly b n

-ed polymer b aring

lining, e.g P F

140

—

For specif ic ap lications where

specialproperties are req ired,

e.g limited space, cor osion

resistance

B D2

Stainles

ste l

140

D4

Alumini

um aloy

60

The materials S t o S6 an R 1 may b su plied with an ad itional ru ning -in co ting, for series A an W only,

by a re ment with the su plier

a

St eel composition shal b a re d b tween the su plier an user It wil normaly have a carb n

con-tent of les than 0,2 %; composition of b aring material in ac ordance with ISO 43 3

b

Hard es testing in ac ordance with ISO 43 4-1

c

Hard es for ste l an stainles ste l HB1 30 / 10

Hard es for bronze an aluminium al oy HB1 5 3

d

Wal thick es limit deviation series (in ac ordance with ISO 3 47-1:—, Ta les 5an 6)

e

Temperature limitation for contin ous d ty depen s on the ty e of thermoplastic, e.g POM: 9 °C;

PVDF: 1 0 °C; P EK: 2 0 °C

Table 2 (c ontin ed)

Bibl og raphy

[1] ISO 68 -3, Heat-tr ata le s te l s , alo s te l s a d fr e-c ut in s te ls — Part 3 : Case-h rdenin s te ls

[2] ISO 3 47- 2, Plain bearin s — Wra ped b shes — Part 2 : Tes t data fr o ts ide a d ins ide diamete s

[3] ISO 3 47-3, Plain bearin s — Wra ped b shes — Part 3 : L bric ation h les, gro ves a d indentatio s

[4 ] ISO 6 3 , Cold-r duc ed c arb n s te l s trip w ith a maximum c arb n c ontent o 0,2 5 %