Tiêu Chuẩn Iso 00229-1973 Scan.pdf

INTERNATIONAL STANDARD 229 INTERNATIONAL ORGANIZATION FOR STANOAROIUllON~ME>KIIYHAPOIIHAI OPTAHHSAUHII IlO CTAHIIAPTW3AU~~ORGANISAlION INTERNATIONALE DE NORMALISATION Machine tools Speeds and feeds Fi[.]

INENA TIO NA L OR A IZ ATIO N FOR SANOA O IUlON~ME>KIYAP OIHI O P TAHHS AUI IO CT AHIAPT W3A U~OR A NISA lION INENATIONAL E D NORMAL ISATION

First e itio - 1973-12-15

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2

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Decripto : mehin to ls, rotatio , wlo ity, ms hin to l f ee s, uti zetio , p rorms c e elu tio

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ISO (h Inter nation l Org niz tion for Sta d rdiz tion) is a wor ldw id fe eration

Intern tion l Sta d r ds is c r rie out throu h ISO T ec nic l Commite s Ev rv

Member Bod inter este in a s bje t for whic a T ec nic l Commite h s be n s t

up h s th rig t to be repre e te on th t Commite intern tion l org niz tion ,

gov rnme tal a d non-gov rnme tal, in laison w ith ISO, also tak e par in th w ork

Draf Intern tion l Sta d rd a o te by th T ec nic l Commite s are circ late

Sta d r ds by th ISO Cou ci

Prior to 19 2, th r es lts of th w or k of th T ec nic l Commite s w er e publs e

ta sforme into Intern tion l Sta d rd As par of this proc s , T ec nic l

s itable for ta sformation Intern tion l Sta d rd ISO 2 9 th refore r epla e ISO

Re omme d tion R 2 9- 9 1

ISO Re omme d tion R 2 9 was ap rov d by th Member Bodie of th folow in

cou tr ie :

Belgium

Bur ma

Cz c oslov k ia

De mar k

Finla d

Fr an e

Germa y

Hu g ry

Italy

Pak ista

Phi p in s

Pola d

Roma ia

South A fr ic , Rep of

Sw ed n

Sw itz rla d

U.S.S.R

Re omme d tion on te h ic l gr ou d :

Neth r la d

U A ’

T he Member Body of th folow in cou ty dis p rov d th ta sformation of

ISO/R 2 9 into a Intern tion l Sta d rd :

l Subs q e tly , this Memb r Bo y a pro e th Reom e d tio

0 Intern tion l Org niz tion for Sta d rdk atio 197 3 l

Printe in Switzerla d

Machine tools - Speeds and feeds

1 S OPE AND FIE D OF A PPLICA T ION

T his Intern tion l Sta d rd spe ifie th Spe d (n mber of

mi mete or in in h s, per min te, per re olution, or per

stok e) of ma hin to ls w or k in by remov l of metal a d

driv n dire tly by a ele tic l motor

lt is not ap lc ble, for o viou te h ic l r ea on , to

ma hin s w ith contin ou Spe d v riation , fe d for thre d

f ormin , etc

2.1 Th ba ic v lu s of th spe d , a w el a thos of th

f ee s, are tak en fom th R 2 s r ie of prefere n mbers

( Se ISO 3)

2.2 Th per mis ible lmits for th a tu l v lu o h v be n

core p n in th or etic l v lu s of th g ometr ic s r ie

w ith ratio ‘“xfi

Th lmits of tolera te, compar ed w ith th s th oretic l

v lu s, are giv n in table 1

TABLE 1 - Limits of tolera te

rolrmmo %

T lera te %

f0rm-b

for fo d

n mb r of

mi mete

in h s

or stok es p r min te p r min te re olutio

re olutio

2.3 Th a o tion of perc nta e lmits, slg tly difere t

a cor din a th fe d is e pre s d eith r in mi metr es or in

in h s, is ju tifie by th n c s ity to make th pre cribe

lmits coin id , w hate er th u it of me s reme t u e (So

a to a hie e this con ition in a more pre is w ay , th

lmits in in h s h v be n dire tly con ere fom th lmits

in mi imete

3.1 Definition

F r th purp s s of this Intern tion l Sta d rd, th

folow in d finition ap ly :

3.1.1 spe d : Th spin le Spe d per min te u der Load of

th spin ie of th ma hin

3.1.2 ba ic v lu : Th v lu s ow n on th plate of th

ma hin a d u e for c lc latin c tin time

3.1.3 a tu l v lu : Th v lu , w hic mu t le w ithin th

lmits of th pre cribe tolera te , con e tion ly giv n by

th formula :

N

spin le Spe d u d r loa = spin le Spe d w ithout loa X-

N”

w her e

N, is th Spe d of th motor, u d r loa , in cribe on

th plate;

ma hin ru nin w ithout loa

3.2 Ba ic v lu s

ma hin to l s al in lu e only v lu s tak en fom th R 2

table 2, or fom th ir d cimal multiple or s bmultiple

Provid d th t this con ition is s tisfie , th s aln is lef

re uir eme ts of th ma hin to l

3.3 T olera te

Th a ctu l v lu s of th Spe d , c e ked a in ic te ab v ,

s al le w ithin th lmits of th total tolera te

s rie w ith

ap roximately e u l to

5 g % of th v lu

lt is th s m of

a ele tr ic l toler ante of

+ z % a nd

a me h nic l tolera te of ap roximately 5 z %

Table 2 giv s :

-

in column 2 a d 3 : th lmits of th a tu l v lu s,

tolera te) : ele tic l + me h nic l;

-

in column 4 a d 5 : th lmits for c lc latin th

me h nic l tolera te

T ABLE 2 - Spe s :n mb r Of rW Oh tiOnS

or stok es per min te

Limits c re p n in

Limits for clc lrin

to th total tolera te : th meh nicl

Baic v lu ele ticl + me h nicl tolera cl )

R 2

-2

+ 6 % a pro imately

-2

+ 3 % a pro imately

1

10

1 2

12

14

16

18 0

2la

24

2 0

28 0

315

35

4 0

4 50

5 0

50

60

7 10

8 00

90

100

9

219

21

29

48

4 60

516

lt F r th c lc latio of th ta smisio ratio of th drivin

e uipme t, th Sp e at th in ut is tak en a s lower b 6 % th n th

sn hro o s Sp e of th motor (T he q otie t of th Sp e at th

in ut b ec of th two ta ulate lmits givs th eteme vlu s of

th ta smisio ratio.)

T e te d th table upw ar ds or dow nw ar ds, divid or

multiply th giv n v lu s by 10 or a p w er of 10

4 F ED

It is th s m of

4.1 Definition

F r th pur pos s of this Intern tion l Sta d rd, th

f olow in d finition ap ly :

a ele tr ic l tolera te of ab ut

+ i %, a d of

a me h nic l tolera te e u l ab ut to :

+ z % for fe d in mi imetr es per min te,

4.1.1 fe d : Eith r th fe d per min te u d r Loadif th

f ee me h nism is dire tly driv n by th motor, or th fe d

per re olution (or per str ok e) if it is driv n by th spin le

5 2” % for fe d in in h s per min te

4.1.2 ba e v lu : Th v lu s ow n on th plate of th

T able 3 giv s, in mi imetr es, a d table 4 in in h s

ma hin a d u e for c lc latin c tin time

-

in column 2 a d 3 : th lmits of th a tu l v lu s,

4.1.3 a tu l v lu : Th v lu whic mu t le w ithin th

tolera te : ele tic l i- me h nic l)

lmits of th pr es r i e toler ante

-

in column 4 a d 5 : th lmits for c lc latin th

a) In th c s of fe d by min fe, it is giv n, by

me h nic l tolera te of th fe d per min te (coin idin

con e tion, by th formula :

w ith th lmits of th a tu l v lu s core p n in to th

fe d u d r loa = fe d w ithout loa x -

tolera te spe ifie below for th f ee per re olution (or

per stok e)

Y

w her e

4.4 T olera te on th f ee per re olution (or per stok e)

Nc is th Spe d of th motor u d r loa , in ic te on

Th a tu l v lu on th fe d per re olution (or per stok e)

th plate;

s al Iie w ithin th minimum a d max imum lmits s own in

N, is th Spe d of th motor, me s r ed w ith th

ma hin ru nin w ithout loa

b) In th c s of fe d p r reolyto (orp r stroel, it

is not relate to th motor

4.2 Ba ic v lu s

T he complete ra g of ba ic v lu s for th fe d of a

ma hin to l s al in lu e only v lu s tak en fom th R 2

table 3, or th ir d cimal multiple or s bmultiple

Provid d th t this con ition is s tisfie , th s aln is lef

r eq ir eme ts of th ma hin to l

in epe d ntly of th spin le)

tolera te

Compare w ith th th or etic l n mber s in th g ometr ic

ap r oximately e u l to :

column 4 a d 5 of table 3, for mi imete , a d of table 4,

tolera te of th g ar box, sin e th fe d per re olution (or

per stok e) is in epe d nt of th motor

NOT E - T he re ultin f ea p r min te, whic is th pro u t of th

f ee p r re olutio (or p r stok e) a d th Sp e pr min te, ma

v ry b th c mbin d atio of th tolera te o th s lat two

f actors,

b twen - 4 9 a d + 9 %, if th f ee is ex pr es e in mi mete ,

a d

b twen - 5 % a d + 8 %, if it is epr ese in in h s

T 6 % for f ee s in mi imete per min te,

5 g % for f ee s in in h s per min te

T ABLE 3 - F e s in mi mete

TABLE 4 - Fe s in in h s

8wic vlu

R 2

1

1.0

0.9

1.0

0.017

0.0 8 6 0.0 0 6

1.19

1,O

1.16

14.2

1.6

1.5

1.6

0.01 0

0.06 1

0.0 1 0 0.0 4 2

1 B

1.7

1.8

2.6

2.4

2.5

2.8

2.7

2.9

2.7

2.9

0.07

0.10

0.1 2

0.10

0.1 8

3.15

3.7

4

3.9

0.16

0.15

0.16

5,6

5.51

5.9

0.28

6.3

6.18

6.6

7.5

6 4

0.23

0.2 7

8

7.7

10

9.8

F e s p r mitwatet

F es p r rewolutio

(or p r stoke12)

Limits of th tolerate Limits of th tolera te

-2

+ 6 % a pro imately

-2

+ 3 % a pro imately

min

2

nlaX

3

min

4

ma

5

Baic v lu

R 2

1

F e s p r mitute’)

Limits of th tolerate

-3

+ 5 % a pro imately

min

2

ma

3

Fe s p r reolutio

(or p r stok ej2)

Limits of th tolera te

-3

+ 2 % a pro imately

min

4

ma

5

1) T he lmits givn for th atu l v lu s of f ees p r min te in c lumn 2 ad 3 c rep n to th s m of th eleticl a d me h nicl

tolerate T he meh nic l tolere c is clc late a for f ee s p r reolutio for p r stok e) fom v lu s in c lumn 4 a d 5, b t, for th

c lc latio of th ta smisio ratio of th drivin e uipme t, th Sp e at th in ut is tak en a lower b 6 % th n th s n hro o s Sp e

of th motor (T he q otie t of th se d at th in ut b ec of th two te ulate lmits givs th eteme v lu s of th ta smis io ratio.)

2) T he atu l lmits of f ee p r reolutio (or p r stok e) in c lumn 4 a d 5 crep n to a meh nic l tolerate o ly

To ete d th ta le d wnward or u w ard , divid or multiply th giv n vlu s b ;3 Zr a p wer of 10