Table Of Contentइंटरनेट मानक
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Whereas the Parliament of India has set out to provide a practical regime of right to
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in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
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education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 13466 (1992): Brushes for Electrical Machines [ETD 15:
Rotating Machinery]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
IS 13466 : 1992
[Superseding IS 3003 (Parts 3 and 4 )]
Indian Stundard
BRUSHES FOR ELECTRICAL MACHINES -
SPECIFICATION
UDC 621*313*047*4
0 BlS 1YY2
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, Y BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
December 1992 ecirP Group Y
gnitatoR yrenihcaM lanoitceS ,eettimmoC TE 15
CONTENTS
1. SCOPE
2.
REFERENCE STANDARDS
3 . . TERMINOLOGY
4.
BRUSH MATERIAL
5.
FLEXIBLE SHUNT
6. 3
TERMINATIONS OF BRUSHES
7. 8
CLIPS
8. 9
INSULATED TOP
9. I 0
PRBSSURBA REA
.OI OI
DUST GROOVES
1 .I CHAMFERS FOR BRUSHES II
12. 1I
ANciLbs FOR BEVELS
13. 2I
DIMENSIONS AND TOLBRANCES
14. 3I
MARKING
15. 3I
PACKING
16. 13
Tss~s
ANNEX A 17
INFORMATION TO BB PROVIDED BY BRUSH MANUFACTURER
17
ANNEX B LIST OF REFERRED INDIAN STANDARDS
18
ANNEX C SAMPLING PROCEDURB AND CRITERIA FOR AC~~PTAN~B
18
ANNEX D CONNECTION DROP TEST
21
ANNBX E PROCEDURE FOR PULL-OUT STRBNGTH TEYI
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards retfa eht tfard dezhanif yb eht
gnitatoR yrenihcaM lanoitceS eettimmoC had neeb devorppa yb eht lacinhcetortcelE noisiviD .licnuoC
ehT sehsurb era desu ni cirtcele senihcam gnitarepo no ,cd ca ro cd/ca .smetsys ehT brush ygolonhcet
ni eht yrtnuoc is yltneiciffus depoleved and eht brush srerutcafunam dnuof eht gnitsixe standard SI
3003
ni parts ) la c ’k gm ni ylraelc gniyficeps eht stnemeriuqer fo brush lairetam and laudividni sehsurb
(
detacirbaf tuo fo .skcolb nI eht wen hcaorppa ti is dediced ot eraperp eht gniwollof standards tuo fo
gnitsixe parts 3003.
of IS
)a snoitinifeD and erutalcnemon fo nobrac ,sehsurb brush ,sredloh srotatummoc and slip rings rof
lacirtcele yrenihcam ( SI 13586 : 1992 ,)
)b hsurB slairetam rof lacirtcele yrenihcam - noitacificepS ( SI 13584 : 1992 ,) and
)c sehsurB rof lacirtcele senihcam - noitacificepS ( SI 13466 : 1992 .)
sihT standard is elbacilppa ot nobrac sehsurb detacirbaf morf nobrac skcolb ( ees SI 13584 : 1992 )
and dcttf htiw its .selbixelf ehT stnemeriuqer deificeps reilrae ni S1 3003 ( traP 3 ) : 879I and SI 3003
( traP )4 : 1978 evah neeb denibmoc and detadpu ni this standard. ,revewoH eht sdohtem fo stset gof
eht gniwollof lanoitarepo scitsiretcarahc evah neeb dedulcni ni noitacificeps rof brush lnirct\:m -lo’f -cclc
lacirt yrenihcam ( SI 13584 : 1992 .)
)a tcatnoC pord ,egatlov
)b tneiciffeoC fo .noitcirf and
IS 13466: 1992
Indian Standard
BRUSHESFO.RELECTRICALMACHINES-
SPECIFICATION
1 EPOCS 5.4 ehT seulav of lanimon area, mumixam -aid
,retem dna dednemmocer tnerruc per elbixelf are
1.1 sihT dradnats COVETS ,snoisnemid -eriuqer nevig ni elbaT 1
stnem dna test serudecorn for ralurnatcer dna
lacirdnilyc n;brac sehsurb desu ni lacirtcelec
NOTES
machinc~. 1 fI eht elbixelf si ,detalusni eht hsurb rerutcafunam
ynm tsujda eht elbixelf ezis ot take siht otni .tnuocca
1.2 ccncrcieR yam cb edam ot S1 9919 : 1981
wf ecnadiug !ro noitc’cle< of sehsurb for -ucitrnp 2 llI cast of lanoitpecxe tnerruc sdaolrevo 01
detcirtser .noitalitnev eht hsurb rerutcafunam dluohs
,:I:; .znoil;lcilppa eb desivda os taht clhixelf ezis can bc adiusted
1‘3 noitamrofnI ot he dedivorp vb hsurb -unam accol-dinply.
rcrutca‘t elihw -gnitouq ot r&ahcrup si nevig ni
xennA .A Table 1 Brush Flexibles
2 REFERENCE STANDARDS Nominal Maximum Current
Sectional Overall per Flexible
2.1 ehT sdraitnats nevig ni xennA 3I evah neeb Area Diameter ( Tolerance 15% )
referred itnn are yrassecen tcnujda ot ;!iht 2mm mm A
.ltradnars (1) (2) (3)
reppoC Flexibles
3 TERMINOLOGk 0’06 0’4 2
0’10
3.1 roF the esoprup of siht ,dradnats snoitinifed 0’5 3
0’15
dna smret nevig ni SI 13586 : 1992 llahs .ylppa 0’6 4
0’20
0’7 4’8
4 HSURB LAIRETAM 0’25 0’8 5’5
4.1 ehT hsurb lairetam desu for erutcafunam of 0’35 0’9 7.0
nobrac sehsurb llahs eb eno of the grades given 0.50 1.1 9-o
ni 3.2 ‘la SI 13586 : 1992. 0’75 1’3 12’0
I 00‘ 1’5 15’0
4.2 ehT h~u.;b lairetam desu llahs mrofncc ot 1’25 1’7 175
rcquiremenh nevig ni JS 13584 : 1992. 1’30 19 20 0
2’w.l 2’2 24 0
5 ELBIXELF TNUHS
2’50 2’4 28 0
5.1 ehT hsurb elbixelf llahs eb edam of -ylortccle 3’20 2’7 32’0
cit grade of copper .seriw fI deriuqer yb the 4’00 3’1 38’0
,re?u the elbixelf llahs eb elbatius decrofnier htiw 6’00 3’8 50 0
sselniats leets .seriw fT deriuqer yb the ,resu the 8’00 4.3 60‘0
copper seriv\ llahs eb derevlis or .dennit ehT 10’00 4.x 75 0
selbixell llahs mrofnoc ot SI 13525 : .2991 12’50 5’3 X.5.0
5.2 sselnU csiwrchto deificeps yb the ,resahcrup 1600 6’0 100’0
dccvof F
the htgnel of selbixeli or tnuhs llahs eb nesohc Rein lcxibles
nrlc,i.t eno ot‘ cilt gniwolluf :seulav 1 OG 1’5 21 0
1 .‘.F 1’7 51 0
)”I
17’5
7.7-_
20’0
d1.’ 3 22’0
2’7 27 0
3’1 32 0
3’3 37 0
3’8 43 0
4’3 51.0
4.x 04 0
IS 13466 1992
I I 1 I
IA 10 IC
SHTGNEL FO EHT SELBIXELF
FIG. I MEASUREMENT of:
5.5 ehT selbixelf llahs eb vleruces dexif ni the ehT dettimrep seulav of g dneped no t md .o
hsurb yb yna eno of the gniwollof :sdohtem esehT seulav nevig ni selbaT 4 ot 6, hcihw !?ppa
ot lla hsurb ,slairetam edulcni a ecnarelot .:of
>a :gnipmaT seicnapercsid ni gnillird the noitcennoc seloh dna
tneserper the mumixam seulav of g for iehsurb
)b ;gniteviR
dettif htiw 1, 2 dna 4 selbixeO .ylevitcepser ehT
4 ;gniredloS safe htgnel of a nrow hsurb llivL eb ylthgils ni
excess of the seulav ofg. A enil or other .kram
d) htiW stun dna ;stlob dna gniwohs the safe nrow ,htgnel llahs eb edam no
the wen hsurb yb the rerutcafunam fi deriuqer
e) ynA other ,dohtem for ,elpmaxe the
yb the 5.8 ).
gniwollof dohlem yam eb desu for gnixif LLSCI ( sre
the seibixclf ni the :hsurb
ehT lanigiro eulav of ’I yam osla eb dekram no
the hsltrb at cbt tseuqer of the ,resu dedivorp
there si ec~:ps for siht no cilt laudi\_~r no;!rop 11~
sihT dohtem stsisnoc of gnillird two seloh the nrow .hsulb
ni yna two faces of the ,hsurb hcihw -moc
etacinum htiw each other. ehT dael si
nI the case of mednat dna tilps ,sehsurb the $
detresni morf eno eloh dna ti si deruces yb
eulav dluohs eb nekat morf selbaT 4 ot 6 +crroc
gnimmar gnipmat powder rednu erusserp
gnidnop ot the cross noitces of each part.
morf the other .eloh
5.6 nobraC ot elbixelf tnioj llahs cb dnuos htob fI the hsurb rerutcafunam tonnac erusne a +itah
yllacinahcem dna .yllacirtcele tI llahs evah the yrotcaf noitcennoc yb gniylppa the seulav nevig
noitcennoc drop across the tnioj ton erom naht ni selbaT 4 ot 6, hc dluohs mrofni the ]:esahcrup
the eulav nevig ni elbaT 2 dna tuo-llup htgnerts dna esivda the dcdncma g eulav .yrassecen
ton ssel naht the eulav nevig ni elbaT 3.
57.1 ehT lapicnirp snoisnemid of sclisurb I: L-
5.7 Depth of Insertion g of the Flexible ( Shunt )
nevig in 13.3 also.
in the Brush
ehT hsurb rerutcafunam yam esu for the noitresni 5.8 Tamping Powder
of the elbixelf m the hsurb lairetam ni the part of
the hsurb tscracn ot the top. tT si dcnifclc yb .giF
A2 dna .B2 g si derusaem lellarap ot ’I ( ~tr.
.giF A‘ dna 20 ). roF sehsurb htiw top .slevel g
si derusaem morf the noitccsrctni neewteb Lhc
ccafrlrs dna the rellams eclif ( WT. .@?I K2 ).
IiJp
IS 13466 : 1992
Table 2 Maximum Values of Connection Drop When Tested in Accordance with 16.6
( Clause 5.6 )
Brush edarG sessalC sepyT of Connections
r------------ _-__-h___-__-_____-___~
dedluoM ro dedluoM 01 deteviR noitcennoC lateM poT
depmaT depmaT noitcennoC ro dohteM )e( deredloS ro
noitcennoC ni ni ecaF ro ediS fo 5.5 deteviR ro
poT fo hsurB fo hsurB Vm tloB-tuN
dna deredloS Vm noitcennoC
noitcennoC Vm
Vm
(1) (2) (3) (4) (5)
etihparg-latelh 10 20 15 20
gerpmi-lateM etihparg
Hard nobrac 25 80 30 40
Natural etihparg
artcelE etihparg
etihparg-nobraC 40 100 00 60
dednob-niseR slairetam htiw
ytivitsiser up ot 25 400
,smho-orcim mc
etihparg-nobrac* 60 100 70 70
dednob-niseR slairetam htiw
ytivitsiser evoba 25 400
,smho-orcim mc
tseT* edam at flah .tnerruc
Table 3 Values of Pull Out Strength 5.9 Sealant
( Clause 5.6 ) A elbatius tnalaes yam eb desu rof gnilaes eht
nobrac ot eht elbixelf rotcudnoc ( liatgip tnioj ,)
Maximum Flexible Diameter* Minimum Pull Out
fi .yrassecen
mm Strength
daN
0’5 ot 0’8 ( htob evisulcni ) 2 6 TERMINATIONS OF BRUSHES
I’0 ot 1‘3 ( htob evisulcni ) 4
6.1 Terminal Types, Slots or Holes and Suitable
I ‘6 6
Screw Sizes
1’8 ot 3’0 ( htob evisulcni ) R
2’2 ot 2’4 ( htob evisulcni 1 10 6.1.1 ehT lanimret shall eb eno fo eht gniwollof
:sepyt
2’7 12
3‘0 15 )a nepO edaps ( ees elbaT 7 ,)
3’3 20 )b desolC edaps ( ees elbaT 7 ,)
4’2 2 5 )c nepO galf ( ees elbaT 8 ,)
4’7 ot 6’7 ( htob evisulcni J 30
)d desolC galf ( ees elbaT 8 ,)
NOTE ehT- muminim seulav fo llup tuo ntgnerls
nevig ni siht elbat llahs cb delbuod rof yna yllaiceps )e nepO elbuod eohs ( ees elbaT 9 ,)
dcnehlgncrts snoitcennoc hcus sa ni eht esac fo
nobrac sehsurb desu ni elibom .selcihev f ) desolC elbuod eohs ( ees elbaT 9 ,) and
eeS* elbaT .1 )g xoB ro ralubut lanimret ( ees elbaT 10 _)
IS 13466: 1992
Table 4 Maximum Values for g for Brushes Fitted with 1 Flexible
( Clnzrse 5.7 )
Al! dimensions in millimetrcs.
_~._ _.__~___ _.__~ _- _~_
- \I
I a 8 10 12’5 16 20 25 32 40 50 I
I
______.-___
__
I
5 7 8 0 IO i3 iI -
6’3 8 9 01 II I3 31 -
8 -- I 0 II I? iJ I5 - -
01 -
10 12 I3 15 16 I7 -
12’5 1I 21 - If- I6 I7 IX -
I6 21 3I 14 _- 17 I i: 81
SI - -
20 13 14 I5 I6 IS
25 14 1s I6 I7 -
- - -
32 - 16 17 18
40 - - 18 !8
50 - -
Table 5 Maximum Values for g for Brushes Fitted with 2 Flexiblcs
(’ Clciuse 5.7 )
8 10 12’5 16 20 25 32 50
-
5 - - - 7 8 9 10
6’3 - 7 8 9 10 II
8 - 7 8 9 IO 11 12
10 7 - 9 IO II 12 13
1 4
12’5 8 9 _- II 12 13
16 9 10 11 - 13 14 15
?O 10 11 12 I.3 - I5 16
115 11 12 13 I 4 IS 17
32 13 14 15 I 6 81 -
;o - 1 15 I6 18 SI I 9
-~ so - - - SI I 9 -A
4
JS 13466 : 1992
Table 6 Maximum Values for g for Brushes Fitted with 4 Flexibles
( Clause 5.7 )
!lA snoisnemid ni .sertemillim
f a -I 8 10 12’5 16 20 25 32 40 50
\
5 - - - - - - - - -
6’3 - -- - - - - - -
8 - - - - - - -
IO - - - - - - - -
12’S - - - - - - - - 13
16 - - - - - - 13 14
20 - -. - _- - - 13 14 15
25 - - - 14 15 17
32 - .- - 13 14 - 17 19
40 - - - 13 14 15 17 - 21
50 - - - 1.5 17 19 21 -
i __----
6.1.2 elihW the snoisnemid nevig ni selbaT 7 Table 7 Spade Terminals
ot 10 llahs eb adhered, the sliated of lanimret ( Clauses 6.1.1 and 6.1.2 )
shapes are tfel ot the .rerutcafunam
llA snoisnemid ni .sertemillim
NOTES
1 ynA epyt fo slanimret rehto naht esoht derevoc
ni 6.1 yam eb desu yb roirp tnemeerga neewteb -unam
rerutcaf dna eht .resu
2 snoisnemiD X. ni selbaT 7, X dna 10 dna -nzmid
nois 2x ni elbaT 9 edivorp eht muminim ccnarnelc
rof a xob .rennaps
6.2 Joints Between Terminals and Shunt
ehT stnioj neewteb slanimlct dna olbixclf -cudnoc
tor llahs eb depmirc or depmirc dna deredlos as
deificeps yb the .resahcrup
6.3 Current Carrying Capacity a nd Minimum
Thickness of Terminals
sihT esualc senifed seulav of the tnerruc -mocer
dednem ni the sclbixclf dna the muminim
ssenkciht of slanimret gnidrocca ot rieht cross
noitces dna sezis dednemmocer for the .slanimret
nI order ot tneverp llams slanimret gnieb desu nepO edapS desolC edapS
htiw egral noitces selbixelf or eciv ,asrev ti si L
d B
elbarised ot enimreted the tnerruc capacity lof :% To1 + 0’3 Max Max M-z
each dednemmocer terminal. (1) (2) (3) (4) (5)
elbaT I I the seulav hcihw yam eb ,deilppa “_5_ 2’8 7 14 -
gives
tuh rehgih seulav yam cb desu yb tnemeerga - 34 9 I6
necwtcb the rerutcaFunam dna the user. 4 4’3 11 18 6
ehT tnerruc seulav nevig m elbaT I I dnopserroc 5 5‘2 13 20 7
ot the mumixam noitces of eno or larcvcs -ixelf h S’A 17 2x 8’5
\clh hcihw yam eb dctllf yltcerroc ot a nevig x 8‘5 ?I 32 10’5
.lanimret esehT seulav etaler ot slanimret htiw a I 0 OI 5 2.1 40 13
ltcllor ro dzpmrrc knahs tub 1w1 ot slanimret
NO1 I;?;
edanl morf xob ,:lanimret ( as nwohs ni
tubes or 1897 : 3x91 ) dnr: ssnrb ( S(‘<’
clba’F‘ 0i ), hcihw are tun dedulcni 111 siht .elbat 1 SI C410‘ oppc :r 1977 ( S) PC pirts ’ 1s sscnkcrht lcluohx ylba-lefc’rp ,ib
ehT esu of the tsellams lanimret elbitapmoc htiw detceler morf eht R20 seires fo SI
I I.17 : 1950.
the mumixam tnerruc eulav ,deriuqer as far as 2 roF eht muminim dednemmocer ssenkciht fo pirts
,clbis<op si elbaT I I
recommcndcd, see
