IS 3290: Household sewing machines - Thread take-up lever sub-assembly for cam type sewing machines

10 Pages·1994·1.2 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
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
to the public, particularly disadvantaged communities and those engaged in the pursuit of
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 3290 (1994): Household sewing machines - Thread take-up
lever sub-assembly for cam type sewing machines [MED 29:
Sewing Machines]
“!ा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”

HOUSEHOLD SEWING MACHINES-
THREAD TAKE-UP LEVER SUB-ASSEMBLY
FOR CAM TYPE SEWING MACHINES-
SPECIFICATION
( Third Revision )
UDC 687’053’1

Q BIS 1994
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH UFAR MARG
NEW DELHI 110002
November 1994 Price Group 2
gniweS senihcaM lanoitceS ,eettimmoC ML 18
FOREWORD
sihT naidnI dradnatS drihT( noisiveR 1 was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb eht gnid&eS senihcaM lanoitceS eettimmoC had neeb devorppa yb eht thgiL
lacinahceM gnireenignE noisiviD .licnuoC
sihT standard was tsrif dehsilbup ni 1965 and yltneuqesbus desiver ni 1969 and 1981. ehT main
snoitacifidom ni eht tneserp noisiver :era
1. ssendraH seulav evah neeb desiver ot eb tnetsisnoc htiw eht lairetam .desu
2. snoisnemiD evah neeb dedargpu ot eb ni enil htiw tcerroc .secitcarp
3. dradnatS has neeb dedargpu rof gniveihca retteb noitcudorp and ylbmessa .lortnoc
sihT standard is eno fo seires fo standards deraperp ot ezilanoitar eht sepyt and sezis fo gniwes
enihcam stnenopmoc rof gnirutcafunam ni cimonoce .seititnauq
elihW gniraperp this standard, assistance has neeb devired morf SIJ B 9035 : 1963 daerhT‘ pu-ekat
revel fo gniwes enihcam rof emoh ,’esu issued yb eht esenapaJ lairtsudnI Standards.
roF lareneg stnemeriuqer SI 1610 : 1989 dlohesuoH‘ gniwes senihcam - lareneG ’stnemeriuqer nac
eb .derrefer
A list of naidnI Standards no gniwes enihcam and eht stnenopmoc is nevig ni xennA A.

roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw
eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ro .sisylana shall eb dednuor
ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav t desiver .’1 ehT
rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht
deificeps eulav ni this standard.
SI 3290 : 1994
Indian Standard
HOUSEHOLD SEWING MACHINES-
THREAD TAKE-UP LEVER SUB-ASSEMBLY
FOR CAM TYPE SEWING MACHINES-
SPECIFICATION
( Third Revision )
1 EPOCS
IS No. Title
traP( /2 seludehcS rof thguorw sleets
sihT standard srevoc eht stnemeriuqer rof daerht 1570
teS I ) : 1979 traP 2 nobraC sleets ( -yollanu
pu-ekat revel ylbmessa-bus rof mac epyt gniwes
de ,)sleets noitceS 1 thguorw
senihcam rof dlohesuoh .sesoprup
stcudorp ( rehto than eriw, )
htiw deificeps lacimehc -moc
2 SECNEREFER
noitisop and detaler seitreporp
ehT gniwollof naidnI Standards era yrassecen ( jirst revision )
stcnujda ot this standard:
ERUTALCNEMON
3
IS No. Title
513 : 1994 dloC dellor wol nobrac leets ehT erutalcnemon fo eht daerht pu-ekat revel
steehs and strips - -acificepS ylbmessa-bus shall eb as detacidni ni .giF 1.
noit
(fourth revision )
1068 : 1993 detalportcelE sgnitaoc fo 4 SEPYT
lekcin plus muimorhc and -poc
rep plus lekcin plus muimorhc
epyT A ylbmessA-buS - With tesffo revel
(
third revision ) ees( osla 7.1 .)
1079 : 1994 toH dellor nobrac leets steehs
and strips - noitacificepS epyT B ylbmessA-buS - With straight revel
( ees osla 7.1 .)
(fifrh revision )
BEARING
FACES RIVETED
F

ROLLS STUD
H NGE SCREW
r’ THREAD TAKE UP
LEVER
f-
FIG. I NOMEWLATURE FOR THREAD TAKE-UP LEVER SUB-ASSEMBLY
I
IS 3290: 1994
6 SSENDRAH
5 MATERIAL
6.1 ehT thread pu-ekat revel llahs evah a -inim
5.1 Lever
mum ssendrah of 350 HV dnuora the eloh for the
ehT thread pu-ekat revel llahe eb derutcafunam gniwes thread dna gniraeb .secafrus
morf sheet or pirts of yna elbatius leets hcihw
nac eb ylbatius denedrah or yna tnelaviuqe leets 6.2 ehT egnih screw llahs evah a muminim
hcihw si wear tnatsiser ( see SI 513 : 1994 dna ssendrah of 300 HV dna the threaded noitrop
SI 1079 : 1994). llahs eb kept soft ot diova egakaerb gnirud digir
.gninethgit
5.2 Hinge Screw and Roller
6.3 ehT rellor llahs evah muminim ssendrah of
ehT egnih screw dna rellor llahs eb derutcafunam
450 HV.
morf yna elbatius leets hcihw after elbatius heat
tnemtaert slifluf the tnemeriuqer for wear
.ecnatsiser 7 SNOISNEMID
7.1 ehT niam snoisnemid of thread pu-ekat revel
5.3 Roller Stud
ylbmessa-bus llahs eb as nevig ni elbaT 1.
relloR duts llahs eb derutcafunam morf yna
elbatius ,leets hcus as C 10 of elbaT I of 7.2 ehT ertnec ecnatsid neewteb sixa of eloh for
SI 1570 ( Part teS/2 1) : 1979. screw dna rellor yam eb derusaem yltceridni yb
Table 1 Dimensions of Thread Take-up Lever Sub-assembly
( Clause 7.1 )

llA snoisnemid
in millimetres.
STD A A, B C D E -5 F G H J a
___---------
9’544 9’531 16’06 15’90 7’940 2’242 2.261 61’03 6’54 2’02 M6 80’
Type A 9’525 9’513 15’94 15’80 7’93 1 2’230 2’248 60’98 6’46 1’97
10’180 10’172 16’00 15’69 7’935 2’235 2’255 63’40 7’10 liN M6 83”
epyT B 10’167 10’160 15’75 7.927 2’225 2’235 63’35 7’02
I 15’59
2
SI 3290 : 1994
gnirusaem the ecnaraelc neewteb edistuo of the 9.2 ehT eloh for the gniwes thread ni the thread
erutxif dna the rellor as nwohs ni .giF 2. pu-ekat revel llahs eb knusretnuoc dna dehsilop
so that the thread passes hguorht the thread
eloh ylhtooms dna .yleerf
9.3 llA parts llahs eb free morf ,srrub sharp
edges, tsur dna cracks dna llahs eb llew .dehsinif
ehT thread pu-ekat revel llahs eb emorhc-lekcin
detalp gnimrofnoc ot at tsael ecivreS edarG No. I
htiw noitangiseD bOliN/eF Cr of SI 86OI : 1993.
MEASURING POINT
ehT ssenkciht of gnitaoc llahs ton eb ssel naht
0’010 .mm ehT gnitaoc llahs eb free morf ,swalf
,ssennevenu cracks, sniats dna other defects.
FIG. 2 METHOD OF MEASUREMENT OF CBNTRE 9.4 egniH screw llahs eb ylreporp dettif ot the
DISTANCE BETWEEN AXIS OF HOLE FOR dloh no thread pu-ekat revel dna revel llahs
SCREW AND ROLLER (DIMENSIONS CJ etallicso ylhtooms hcus that there llahs eb on
edis .gnitlit/yalp
SECNARELOT
8
10 MARKING
8.1 ehT latot rotacidni gnidaer of the lanretxe
gnidils face of the rellor nehw rotated tuoba 10.1 ehT thread pu-ekat revel llahs eb -amrep
rellor duts llahs ton exceed 0’01 .mm yltnen dekram htiw the :gniwollof
8.2 ehT ecnaraelc ni laixa noitcerid neewteb a) emaN or ecruos of ,erutcafunam dna
rellor dna rellor duts llahs ton exceed 0’1 .mm
)b .epyT
8.3 ehT threaded retemaid of egnih screw llahs
eb cirtnecnoc htiw the gniraeb retemaid of egnih 10.2 SIB noitacifitreC gnikraM
screw nihtiw 0’05 .mm
ehT tcudorp yam osla eb dekram htiw the
8.4 ehT ssenerauqs of rellor htiw ecnerefer ot the
dradnatS Mark.
thread pu-ekat revel llahs ton exceed 0’5 mm per
100 .mm
10.2.1 ehT esu of the dradnatS Mark si denrevog
8.5 tuO of ssendnuor of rellor llahs ton exceed yb the snoisivorp of uaeruB of naidnI sdradnatS
0’005 .mm ,tcA 1986 dna the seluR dna snoitalugeR edam
.rednuereht ehT sliated of snoitidnoc rednu
8.6 ehT error ni msilellarap of two gniraeb hcihw the ecnecil for the esu of dradnatS Mark
faces llahs eb nihtiw 0’008 .mm yam eb detnarg ot srerutcafunam or srecudorp

yam eb deniatbo morf the uaeruB of naidnI
8.7 ehT egnih screw eloh llahs eb erauqs htiw .sdradnatS
ecnerefer ot the gniraeb faces nihtiw 0’005 mm
per 10 .mm 11 GNIKCAP
8.8 ehT error ni ssenerauqs of the gniraeb face of
11.1 Each thread pu-ekat revel ylbmessa-bus llahs
the egnih screw htiw ecnerefer ot the ertnec enil
eb wrapped ni 400 G LDPE or tnelaviuqe gab
of screw llahs eb nihtiw 0’005 mm per 10 .mm
after gnivig a elbatius tsuritna gnitaoc dna neht
packed ni draobrepap notrac ni ecnadrocca htiw
9 ,PIHSNAMKROW HSINIF AND the tseb tnelaverp trade .ecitcarp
MANUFACTURE
9.1 ehT rellor duts llahs eb ylmrif dettevir ot the 11.2 Each gnikcap xob llahs raeb the -cafunam
thread pu-ekat revel dna the rellor llahs rotate s’rerut ,eman kram-edart dna noitpircsed of
yleerf revo rellor duts tuohtiw laixa .yalp .stnetnoc
SI 3290 : 1994
ANNEX A
( Foreword )
LIST OF INDIAN STANDARDS ON SEWtNG MACHINES
IS No. Title IS No. Title
1294 : 1989 snibboB for gniwes senihcam for 7491 : 1989 gniweS ,senihcam dlohesuoh -
dlohesuoh sesoprup ( driht ycaruccA stnemeriuqer ($rst
revision ) revision )
1295 : 1990 dlohesuoH gniwes -senihcam 7492 : 1989 gniweS ,senihcam dlohesuoh -
eldeeN rab - noitacificepS gniweS stnemeriuqer ( Jirst
( second revision ) revision )
1296 : 1989 dlohesuoH gniwes senihcam - 7493 : 1989 gniweS ,senihcam dlohesuoh -
Presser foot - noitacificepS ytilibaruD stnemeriuqer (first
( third revision ) revision )
1297 : 1991 dlohesuoH gniwes senihcam - 8892 : 1978 snibboB for gniwes senihcam
Presser rab - noitacificepS htiw gnitator hooks for lairtsudni
( third revision ) esu
1610 : 1989 dlohesuoH gniwes senihcam - 9152 : 1979 yrassolG of smret dna -itnedi
lareneG stnemeriuqer ( second noitacif slobmys gnitaler ot
revision ) noitacifissalc of lairtsudni gniwes
2181 : 1973 dlohesuoH gniwes enihcam senihcam
seldeen ( jirst revision ) 9697 : 1980 nibboB cases for gniwes senihcam
3290 : 1994 dlohesuoH gniwes senihcam - htiw gnitator hooks for lairtsudni
daerhT pu-ekat revel -bus esu
ylbmessa for epytmac gniwes 9874 : 1981 mrA dna deb ylbmessa for
senihcam - noitacificepS ( third gniwes senihcam for dlohesuoh
revision ) sesoprup
3291 : 1968 daerhT pu-ekat smac for gniwes 10040 : 981 gnitatoR hooks for gniwes
senihcam for dlohesuoh sesoprup senihcam for lairtsudni esu
(first revision ) 10304 : 982 deeF rock shaft for gniwes
3299 : 1969 kcor-gnitallicsO shafts for gniwes senihcam for dlohesuoh sesoprup
senihcam for dlohesuoh sesoprup 10305 : 982 deeF rock shaft knarc for gniwes
(-first revision ) enihcam for dlohesuoh sesoprup
3375 : 1991 dlohesuoH gniwes senihcam - 10306 : 1982 deeF gnitfil rock shaft for gniwes
nibboB case - noitacificepS senihcam for dlohesuoh sesoprup
3816 : 1966 gnitcennoC rods for gniwes :08211 1985 deeF rab for gniwes senihcam
senihcam for dlohesuoh sesoprup for dlohesuoh sesoprup
3817 : 1991 dlohesuoH gniwes senihcam - 11345 : 1985 gnitallicsO shaft knarc for gniwes
mrA shaft - noitacificepS senihcam for dlohesuoh sesoprup
(first revision ) 11347 : 1985 eltuhS revird for gniwes senihcam
3868 : 1966 deeF gnitfil rock shaft for for dlohesuoh sesoprup
gniwes senihcam for dlohesuoh 12058 : 1987 edilS setalp for gniwes senihcam
sesoprup for dlohesuoh sesoprup

4181 : 1967 deeF fork for gniwes senihcam :90121 1987 lareneG stnemeriuqer for thgil
for dlohesuoh sesoprup ytud gniwes enihcam heads for
4188 : 1967 gnitallicsO shafts for gniwes lairtsudni esu
senihcam for dlohesuoh sesoprup 12740 : 1989 dlohesuoH gniwes senihcam -
4338 : 1991 dlohesuoH gniwes senihcam - dnatS - noitacificepS
lacitreV gnitallicso elttuhs - :98721 1989 dlohesuoH gmwes senihcam -
noitacificepS (second revision ) selbaT dna esab
4339 : 1967 eldeeN rab knil sduts for gniwes 12798 : 1989 dlohesuoH gniwes senihcam -
senihcam for dlohesuoh sesoprup ylF sleehw - noitacificepS
4340 : 1967 eldeeN rab sknil for gniwes 13120 : 1991 dlohesuoH gniwes senihcam -
senihcam for dlohesuoh sesoprup leehwylF hsub - noitacificepS
13192 : 1991 dlohesuoH gniwes senihcam -
4341 : 1967 deeF redloh rellor for gniwes
dnaH tnemhcatta ylbmessa
senihcam for dlohesuoh sesoprup
:60831 1993 dlohesuoH gniwes enihcam -
4342 : 1967 erauqS redils for gnitallicso rock
desolC epyt elttuhs race
shaft for gniwes senihcam for
ylbmessa - noitacificepS
dlohesuoh sesoprup
13825 : 3991 dlohesuoH gniwes senihcam -
4632 : 1968 erauqS redils for hctits rotaluger mrA shaft tnorf hsub -
shaft for gniwes senihcam for noitacificepS
dlohesuoh sesoprup 13872 : 1993 dlohesuoH gniwes enihcam -
4735 : 1968 mrA shaft smac for gniwes hctitS noitacificepS-srotaluger
senihcam for dlohesuoh sesoprup 13912 : 1994 dlohesuoH gniwes senicam -
5740 : 1970 mudnaromeM of screw threads nibboB redniw ylbmessa -
for gniwes enihcam stnenopmoc noitacificepS
6903 : 1973 yrassolG of smret gnitaler ot 14207 : 1994 dlohesuoH gniwes senihcam -
gniwes senihcam for dlohesuoh nepO epyt elttuhs race -bus

sesoprup ylbmessa - noitacificepS
4
uaeruB of naidnI sdradnatS
SIB si a yrotutats noitutitsni dehsilbatse rednu the Bureau qf Indian Standards AU, 1986 ut promote
suoinomrah tnempoleved of the seitivitca of .noitazidradnats gnikram dna ytilauq noitacifitrec oi goods
dna gnidnetta ot detcennoc srettam in the country.
thgirypoC
SIB has the thgirypoc of lla stI .snottactlbup No part of these snoitacilbup yam eb decudorper m
yna mrof tuohtiw the roirp noissimrep ni gnitirw of .SIB sihT does ton edulcerp the free ,esu ni the
esruoc of gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis type or grade
.snoitangised seiriuqnE gnitaler ot thgirypoc eb aodressed ot the rotceriD ( snoitacilbuP ). .SIB _
noisiveR of naidnI sdradnatS
naidnI sdradnatS are deweiver yllacidoirep dna ,desiver nehw yrassecen dna ,stnemdnema fi ,yna are
deussi morf emit ot .emit sresU of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of
the tsetal stnemdnema or .noitide
sihT naidnI dradnatS has neeb depoleved morf Dot : No. LM 18 ( 5351 )
stnemdnemA Issued Since Publication
dnemA No. Date of eussI txeT detceffA
UAERUB FO NAIDNI SDRADNATS
:sretrauqdaeH
kanaM .navahB 9 rudahaB Shah rafaZ Marg, New ihleD 110002
senohpeleT : 331 01 31. 331 13 75 smargeleT : ahtsnaskanaM
( nommoC ot lla seciffO )
lanoigeR :seciffo enohpeleT

lartneC : kanaM ,navahB 9 rudahaB Shah Zafar Marg 331 01 31
WEN IHLED 110002 331 13 75
1
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ATTUCLAC 700054 37 86 26, 37 86 62
I
nrehtroN : 0CS ,633-533 Sector ,A-43 HRAGIDNAHC 160022 60 38 43
60 20 25
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r 235 14 19, 235 23 15
nretseW : ,ayalakanaM E9 .CDIM .loraM irehdnA ( East ) 632 92 95, 632 78 58
YABMOB 400093 { 632 78 91, 632 78 92
sehcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB .EROTABMIOC
.DABADIRAF .DABAIZAHG .ITAHAWUG .DABAREDYH .RUPIAJ .RUPNAK
.WONKCUL .ANTAP .MARUPAHTNANAVURIHT

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