Tiêu chuẩn iso 03940 1977 scan

INTERNATIONAL STANDARD 3940 INTERNATIONAL ORGANIZATION FOR STANOAROIZATION MEXnYHAPORHAR OPrAHM3AUWl II0 CTAHiTAPTH3AUHA ORGANISATION INTERNATIONALE DE NORMAL~SATION Tapered die sinking cutters with p[.]

INENAT IONAL O RGANIZ ATIO N FOR SANOAROIZATION -MEXnYHA POR AR OPrA HM3A UWl I0 CAHiTA P T H3AUHA.OR ANIS A TION IN R ATIONAL E D NORMA L ~SAT ION

Frais s B matric s, coniq e , d q eue cylndriq e

First e itio - 197 -0 -l 5

Gi

UDC 6 1.914.2

k

Ref No IS0 3 40-197 (E)

ol

z

De criptors :to ls, dieink in c ters, sin le a gle c ters, p ralel sa k s, dime sio s

3

0

I

IS0 (h inter nation l Org niz tion for Sta d rdiz tion) is a w orldw id fe eration

of n tion l sta d r ds in titute (IS0 member b die ) Th w or k of d v lo in

Intern tion l Sta d rd is c rie out throu h IS0 te h ic l commite s Ev ry

member b d intere te in a s bje t for whic a te h ic l commite h s be n s t

up h s th rig t to be r epre e te on th t commite Intern tion l org niz tion ,

gov rnme tal a d non-gov rnme tal, in laison with ISO, also take par in th w ork

Dr af Intern tion l Sta d rd a o te by th te h ic l commite s are circ late

to th member b die for ap rov l before th ir a c pta c a Intern tion l

Sta d rd by th IS0 Cou ci

lSO/ T C 2 , Smal to /s, a d was circ late to th member b die in Nov mber

19 5

It h s be n ap rov d by th member b die of th folow in cou tie :

A ustia

In ia

Eg pt, A r ab Rep of

Kore , Rep of

Germa y

Roma ia

South A fr ic , Rep of

Sw ed n

Turke

Unite K in dom

U.S.S.R

T he member b die of th folow in cou tie e pre s d dis p rov l of th

doc me t on te h ic l grou d :

Cz c oslov k ia

J pa

Pola d

Tapered die-sink ing cut ers with paral el shank s

1 S OPE A D FIE D OF A PPLICA T ION

T his Inter nation l Sta d rd spe if i s th dime sion of

tapere die-sink in c ter s w ith plain paralel or par alel

f l te s a ks

T he e c ters are in par tic lar inte d d for dire tly

o tainin cle r an e of mould , patern a d die , w he

th s ex ce d 2” 5 ’

This Intern tion l Sta d rd ap le to flate d c ters a d

bal-nos d c ters

Thre type of c ters ar e sta d r diz d : s or type,

me ium type, a d lon type in conju ction w ith th u eful

le gth 1

Par alel s a k s are in a cord n e w ith IS0 3 3 /l a d I

IS0 3 3 /l, Paralel s a ks for mi ing cuters - Part I :

Dime sion l c ara teristic ofplain paralel s a ks

IS0 3 3 1 1, Paralel s a ks for mi ing cuters - Part I :

Dime sion l c ara teristic ofparalel flated s a ks

3 DIMEN ION

3.1 Shor type

3.2 Me ium type

Dime sio s in mi mete

Dime sio s in mi mete

Slo e’ )

or

h lfmglr )

Slo e’ )

h lfikl )

Slo e 1 6

(+ 9 ,rl)

or Slo e 1 I6

(eg , )l)

or

LlO"l

2

a

-I

10”‘)

2

So e l/l0

(4 5 43')

or

-= ; 51)

Slo e 1 10

or

3.3 L n type

Dime sio s in mi mete

or

or

Dime sio s in p re th ssh uld b aoid d w he e er p s ible

1) Sele t o e of th s two vlu s to d sig ate th c ter

2) T olera cs o d :h for plain p ralel sa k s;

h for p ralel flate sa k s