Tiêu chuẩn iso 02940 1 1974 scan

I NTERNATIONAL STANDARD I S 0 2940/1 1 974 (E ) /ERRATUM Published 1 977 1 2 1 5 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEX rlYHAPOllHAñ OPTAHII3AUHI no CTAHnAPTR3AUIIM ORGANISATION INTERNATIO[.]

P ub lis hed 19 7-12-15

INT R ATIO AL O G NIZATIO F OR S A D R IZATIO MEX rlYHAPOlHAñ OP AHI3A HI n CTAHnAP R3A IM O G NISATIO INT ER A T IO A LE DE N RMALISATIO

Mi ingc utt ers mou te d o n ce ntring arbors ha ing a 7/ 24 taper - Fit ingdimensions - C ent ring arb rs

Page 2

Su cla s 4.1, view at rig t of draw in ; s mmetry toler an e o b :

ford= 4 , re p la ce 0 ,0 12 by 0 ,12 ;

for d = 6 , re p la ce 0,0 by 0, 2

Page 3

Su cla s 4.2 , v iew atrig t of dr aw in ; s mmetry toler an e o th v lu 25,7 :

re p la ce 0,0 b 0, 2

INTERNATIONAL STANDARD IS02 4 /1

Mi in c ters mo nte on c ntin arb ors h vin a 7/2 t aper - Fitin dime sio s

-Ce tin a rb ors

MODIFICATIONTO FOREWO D

The Me mber Bo y for Franc e ha vin d c id d th t it c n ac c ept th fin l v r sio of this

Intern tio al S tan ard, th n me "Fra nc " sh uld b d lete f om th fin l pa ra gra ph

of th Foreword a nd inser te inth l stof c u ties who s e Memb r Bo ie s a pr ov d th

Intern tio alSta nda rd

- , t.t

Mi l ng cut t e rs mounted on centr ing arbo rs having a 7/ 24

Fraises à suraceret à suraceret dres er, à mo ta e direct sur n zde broch s à co nicité 7/24 -Dime sio s

d'nterchang abité - Ma drins de ce tra e

Fir st e ition - 19 4-0 -01

2940 PT 1-74

IS0 (h Intern tio al Or ga niza tio for Sta d r dizatio ) isa worldwid fe er atio

o f na tio al s tan ards institutes (IS0 Memb er Bo ies) T he work of d v elo in

Inter natio al Stan ard is ca rrie o t thr ou h IS0 T ec hnic a l Commite s Ev er y

Member Bo y intereste in a su jec t for whic a T ec hnic a l Commite hs be e n s t

u h s th rig t to b represe te o th t Commite Intern tio al orga izatio s,

g v ernme ta l a d n n-g v ernme tal, in la iso withISO, also ta e p r in th work

Draf Inter natio al S tan ards a do te b th T ec hnic a l Commite s are cir culate

to th Memb e r Bo ie s for a pprov al b fore th ir a ce pta c as Intern tio al

S ta d rds b th IS0Co n i

Inter natio al Sta nda rd IS02 94 0/1 was dr awn u b T ec hnic a l Commite

ISO/T C 29, Smal fo ls, a d cir culate to th Member B odies in Oc to er 19 2

It hs b e a pprov ed b th Me mb e r Bo ie of th folowin c ou tri s :

Belgium

C ze cho slo va ia

I n ia

Sw itze a d

Th Me mber B odies of th folowin c ou tri s e xpre s s e d disa pprov al of th

d c ume t o tec hnic a l grou ds :

Austr i

F ra ce

Ja a

S we de n

Unite Kin d m

O Intern tio al Or ga iza t io for S ta nda rdiz a tio , 19 4 0

Printe in Switzerla d

2740 PT 1-74 4851703 0035227 T

1

This Intern tio al Sta d rd la s d wn th fitin dime sio s for mi in c ters mo nte o c ntin a rb rs havin a

7/ 24 ta e a d th dime sio s of c ntin a rb rs inte d d to fa i tate c ntin of th c ter o th spin le n ose

T his Intern tio alSta nda rd a p ples b th to c ters with inserte te th, m ade f om hig sp e

ste l

or with b raze ca rbid

tips, a nd toc ters e uip e with in e a le c a rbid tips

It concerns :

- firstly, th so-c alle “ sin le p rp se mo ntin ” mi in c ter, a rbor loca t ed, to b u se with a wel-d fin d spin le

n ose havin a 7/ 24 ta pe

- sec on ly, th so-c alle “d al p urp ose mo ntin ” mi in c ter, a rbor loc at ed, to b u se with b th spin le n se

No 5 a d spin le n ose No 6 havin a 7/2 ta pe

The g n ral fitin dime sio s are in accord nce with ISO/R 2 7 a d itsa d n um 1

ISO/ R 2 7 , 7/24 ta ers for to l sh ns

ISO/ R 1 1 01, Tech ical drawin s - Tolera ces of form a d of p o sitio n - Part I : Ge eralties, symb ls, indicatio s o

drawin s

IS0 2 4 /1 I Mi in cuters mo un te do n ce trin arb rs h vin a 7/24 ta er -Insertedto th cuters

-.-

\

O PT 1-74

4851903 0035230 b

I

4

Dime sio s in mi metre

Fo

s in le

7/2 No

Th sh ap of th spig t of th arbor isatth ma nuf a cturer’s discretio

7/24 tap e rs in acco rd n e with ISOIR 2 7 a d itsa dd n um 1, e c ept for th lo atio of th e d of ta per with respect toth

gu e pla e o whic is loc a te dia meter O,

4.1 For sin le purpose mo ntin c ut t ers

Ce tio A-A

7/2 ta per

2940 PT 1-74

TABLE 2

Dime sio s in mi metre

*

cont a in d within a c ln rical zone of diamet er t t he a e of w hic h are in th tru spec if ie po itio (s e ISO/R 1 0 )

4.2 For d al p urp o s e mo ntin c ters mo nte o 7/ 24 s p in le nos s No 5 or 6

Dime sio t repre e ts t he po itio al t olera nc e of t he axis of the hole of diameterdl Eac of th ax s of th fo r h le s ho uld be

Se tio A-A

14 i 0.5

,-

-: $