Tiêu chuẩn iso 01711 1 2016

© ISO 2016 Assembly tools for screws and nuts — Technical specifications — Part 1 Hand operated wrenches and sockets Outils de manoeuvre pour vis et écrous — Spécifications techniques — Partie 1 Clés[.]

A ssembl y tools for scr ews and nuts —

Part 1:

Outils de ma oeu r p ur vis et éc ro s — S écifications te h iques —

Partie 1: Clés de ser a e et do ille s à main

Fourth edition

2 16-1 -1

Reference n mb r

ISO 171 -1:2 16(E)

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F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms and definitions 1

4 Test tor io tor ques 1

5 Hardnes testing 2

6 Torque testing 2

6.1 General 2

6.2 Method 2

6.3 Tes of b x wr enches or o en ja w wr enches 3

6.4 Tes of socket wr enches 3

6.5 Tes of han -o erated squar e drive sockets 3

Biblog raphy 6

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

For an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lated to conformity as es ment,

as wel as information a out ISO’s adhe enc to the Wor ld Trade Org nization (WTO) principles in the

Te h ical Bar ie s to Trade (TBT) se the folowing URL: www.iso.org/ iso/for word.html

The committ ee r sp nsible for this document is ISO/TC 2 , Smal to ls , Subcommitt ee SC 1 , As s embly

to ls fr s c rews a d n t ,ple s a d nip e s

This fourth edition canc ls an r plac s the third edition (ISO 1 1 -1:2 1 ), w hich has be n t ech icaly

r vised with the folowing chang es:

— in 6.2, the anglechamfe α of the t es man r l in Figur 1 has be n chang ed from 3 ° ma t o 1 °≤

α ≤ 3 °;

— r vision of siz s for width ac os flat co e ed in Ta le3;Siz s 3,5, 4,5, 2 an 2 ha e be n delet ed;

Siz 5,5 has be n ad ed

A l s of al p rt in the ISO 1 1 se ies can be fou d on the ISO websit e

A ssembl y tools for scr ews and nuts — Technical

Part 1:

This document spe if ies minimum v lues for R ockwel hard es an t orsional s r ngth for han

-o e at ed wr nches an socket

It co e s the folowing thr e se ies of t orsion t orq es:

— S ries A: usual b x wr nchesan socket wr nches;

E AMP E 1 R eference nos 1 1 0 0 0; 1 1 0 0 0 an 1 1 0 0 1; 1 1 0 0 0; 1 1 0 04 0; 1 1 0 0 0;

11 0 06 0; 1 10 0 0; 1 1 0 1 0; 1 10 1 0; 110 1 0; 1 10 1 0 an 1 1 0 1 1; 1 10 14 0; 1 1 0 1 0;

11 0 0 0; 1 10 0 0

— S ries C: o en en wr nches;

E AMP E 2 R eference nos 11 0 0 0; 11 0 0 1; 11 0 0 0; 1 1 0 0 0; 1 10 04 0

— S ries E: han -o e at ed sq ar drive socket

E AMP E 3 R eference nos 21 0 0 0 an 21 0 0 1

NOTE T e wrenches an sockets mentioned a ove are listed u der their respective reference n mb r in

ISO 170

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 6 08-1, Metal c mate ial s — R ockwel h rdnes s tes t — Part 1: Tes t meth d

3 Terms and definitions

No t erms an def initions ar lst ed in this document

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

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

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

4 Test torsion torques

The empiric formulae giving minimum t es t orsion t orq es, M, in newt on metr s, as a fu ction of width

ac os flat , s , in mi imetr s, ar given for information in Ta le 1

The minimum t es t orsion t orq es t o be a pled ar given in

Ta le 3

Table 1 — F ormula giving minimum test tor io torq es

S ries

Minimum t es t orsion t orque

M

N ⋅ m

,3

C

Nominal width ac os

flats, s

,8

E

Nominal dimension

for driving sq are

,7

,3 a

,7 6

a

Tes torq e M ap lc ble to S ries A multipled b the c eficient 1,3

The hard es t es shal be car ied out in ac ordanc with ISO 6 0 -1

Minimum R ockwel hard es v lues ar given in Ta le 2

Table 2 — Minimum Rockwel hardnes values for wrenches and sockets

Nominal width ac os flat

s

mm

Minimum h rd es

Al o st eel o en end an

double head wr nches

a

HRC

Al othe wr nches

or socket

HRC

a

For c rbon s e l open en wrenches, the hard es value shal be 36 HRC

6 Torque testing

F or combined wr nches (for ex mple, r fe enc nos 1 1 0 0 0 an 1 1 0 0 0), the b x wr nch side

shal be t est ed in ac ordanc with Ta le 3, S ries A, an the o en en wr nch side shal t o be t est ed in

ac ordanc with Ta le 3, S ries C

The wr nch or the socket shal be ful y eng g ed in a hex g on t es man r l as shown in Figur 1 The

height, h, and the width ac os corne s, e

min , of the man r l ar spe ified in Ta le 3 The angle of the

chamfe α shal be betwe n 1 ° an 3 °

Smo thly a ply the lo d u ti theminimum t es ing t orq e as given in Ta le 3 is r ached

Thenominal ac os -flat dimension of the t es man r l shal be eq al t o the nominal dimension, s , with

a t ole anc of h8 The man r l shal be hardened t o not les than hard es 5 HRC

A devic in w hich the man r l can be rotat ed at a c rtain t orq e det ermined with an ac uracy of ± ,5 %

ma also be used for thist es

F olowing the a plcation of the minimum t es t orsion t orq e, any p s ible damag e or deformation shal

not afe t usa i ity of t ool

Key

α angle of the chamfer, 1 ° ≤ α ≤ 3 °

e

min

width acr os corner

h test man r el height

s width acr os flats

NOT T e use of the 3 ° chamfer wil red ce the efectiv e eng g ment which might afect the ultimate

test orq e

Figure 1 — Test mandrel height, width ac os flats, and width ac os corner

6.3 Test of box w renches or open jaw wr enches

Ap ly the lo d as far along the shaf of the wr nch as pos ible, pe pen icular t o it longitu inal a is

Use an a pro riat e t es devic that wi l safely t es larg e wr nches

L ad the wr nch onc in each dir ction d ring the t es

F or o en jaw wr nches, the head shal r main pe pen icular t o the mandr l a is d ring the t es F or

b x wr nches, the a is of the head shal r main pe pen icular t o the man r l a is d ring the t es

6.4 Test of socket wr enches

Ap ly the lo d as far along the shaf of the wr nch as pos ible, pe pen icular t o it longitu inal a is

Use an a pro riat e t es devic that wi l safely t es larg e wr nches

The a is of the socket wr nches an the a is of the man r l shal r main co xial d ring the t es

6.5 Test of hand-operated squar e dri ve sockets

A sq ar man r l of hard es not les than 5 HRC shal be used for driving the socket The nominal

ac os -flat dimension of this man r l shal be eq al t o the ma imum dimension, with a t ole anc of

h8, of the cor espon ing driving sq ar

The ax es of the two man r ls and the a is of the socket shal r main co xial d ring thet es

Table 3— Minimum test tor io torque and test mandrel height as function of width ac os flats

Nominal

width

ac os

flat

a

s

Minimum t es t orsion t orque

M

N · m

Tes man r l

mm

h

h1

W idth

ac os

corne s

d

e

min

Driving squar nominal dimension

b

6

a

9

a

1

a

c

c

14

a

c

c

c

2 2 c

17

a

c

2 2 c

c

1

a

c

5 2 c

2

a

c

5 2 c

c

5 2 c

2

a

c

5 2 c

2

a

c

5 2 c

c

5 2 c

2

a

c

5 2 c

c

c

3

a

c

c

c

c

c

a

Not a c rdin to ISO 272

b

For dimensions of drivin sq ares, se ISO 1 74-1

c

Value of tes torq e volu tariy lmited Drivin sq ares have lower s ren ths than so k et of the same s e l grade

d

e

min

= s

nom

× 1,1

Nominal

width

ac os

flat

a

s

Minimum t es t orsion t orque

M

N · m

Tes man r l

mm

h

h1

W idth

ac os

corne s

d

e

min

Driving squar nominal dimension

b

c

c

2 5 5 c

c

c

a

Not a c rdin to ISO 272

b

For dimensions of drivin sq ares, se ISO 1 74-1

c

Value of tes torq e volu tariy lmited Drivin sq ares have lower s ren ths than so k et of the same s e l grade

d

e

min

= s

nom

× 1,1

Table 3 (c ontin ed)

Bibl og raphy

[1] ISO 2 2, Fas tene s — Hex g n produc ts — Widths ac ros s flat

[2] ISO 1 74-1, As s embly to l s fr sc rews a d n ts — Dri v in s qu r s — Part 1: Dri vin s qu r s fr

h nd socket to l s

[3] ISO 1 0 , As s embly to l s fr sc rews a d n ts — Des ig atio a d n menclatur

ICS  25.140.01