IS 10094: Code of practice for pattern making by using expanded polystyrene material

8 Pages·1998·1 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 10094 (1998): Code of practice for pattern making by
using expanded polystyrene material [MTD 14: Foundry]
“!ा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”

PATTERNMAKINGBYUSING
EXPANDEDPOLYSTYRENEMATERIAL-
CODEOFPRACTICE
(F irst Revision )
TCS 25.120.30 : 8X080.20

0 BIS 1998
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
September 1998 Price Croup 1
yrdnuoF lanoitceS ,eettimmoC DTM 14
DROWEROF
sihT naidnI dradnatS tsriF( )noisiveR was adopted yb the uaeruB of naidnI ,sdradnatS after the draft dezilanif
yb the yrdnuoF lanoitceS eettimmoC had neeb devorppa yb the lacigrullateM gnireenignE noisiviD .licnuoC
sihT dradnats was tsrif dehsilbup ni 198 .I elihW gniweiver the ,dradnats the eettimmoc dediced ot esiver ti ot
ngila htiw the tneserp secitcarp gnieb dewollof yb the .yrtsudni
ehT esu of dednapxe enerytsylop lairetam has ylevissergorp desaercni ni the tnecer sraey ehtni naidnI seirdnuof
for gnibboj work dna llams hctab .noitcudorp ehT lairetam si ylralucitrap lufesu for xelpmoc shapes of .snrettap
sihT dradnats sebircserp Code of ecitcarp for gnisu dednapxe enerytsylop lairetam for nrettap gnikam dna
.gnidluom
IS loo94 : 1998
Zndian Standard
PATTERNMAKINGBYUSING
EXPANDEDPOLYSTYRENEMATERIAL-
CODEOFPRACTICE
(F irst Revision )
1 SCOPE eulg hcihw does ton evlossid the .citsalp ehT eulg si
ot eb deilppa ni a niht reyal no the secafrus of the parts,
sihT dradnats sebircsed the code of ecitcarp for nrettap
htiw a nedoow .alutaps evissecxE evisehda yam esuac
gnikam dna gnidluom yb gnisu dednapxe enerytsylop
defects ni sgnitsac as yna tnrubnu eudiser lliw mrof a
.lairetam
.gals llamS parts of the nrettap nac eb dednob together
2 MATERIAL yletaidemmi after the evisehda si deilppa tub the regral
snoitces dluohs eb tfel ot dnats for 51-ol nim after
2.1 dednapxE enerytsylop desu for nrettap work llahs noitacilppa dna neht depmalc together. A htooms
evah a ytisned ni the egnar of 20 3m/gk ot 30 .3m/gk
llarevo ecafrus yam eb deniatbo rehtruf yb gnihsinif
ehT lairetam gnivah ytisned ssel naht 20 ,’m/gk gnieb
htiw dnas paper dna yb gnilaes the nrettap stnioj dna
yrev soft dna ,suorop si ton elbatius for gnitsac work.
odd swalf htiw demmug paper .pirts llamS stellif yam
nI case where the nrettap edam ni dednapxe
osla eb demrof morf siht .pirts Large stellif dluohs eb
enerytsylop si ot eb desu as a elbaifisag lairetam
edam ni .enerytsylop evissaM snrettap yam eb edam
yleman for lluf dluom ,gnitsac sti laudiser tnetnoc
,wolloh ot ecuder gas .noitamrof
deniatbo( after gninrub at C°006 for 15 )nim llahs ton
eb erom naht 0.20 .tnecrep 3.4 nehW hctab epyt lluf dluom sgnitsac are ot eb
,edam snrettap yam eb dedluom gnisu enerytsylop raw
2.2 dednapxE enerytsylop si deniatbo ni the mrof of
lairetam or demaoferp heads, yb gnitaeh htiw maets or
sbals ni gniyrav ,shtgnel shtdiw dna sessenkciht dna
hot ria dna water gnilooc ni yllaiceps edam cillatem
osla ni the mrof of demroferp .sdaeb
sdluom (see .giF 1). esolC lortnoc si deriuqer ni the
3 CODE OF PRACTICE FOR PATTERN process ot erusne proper gnidluom .noitarepo tA ,semit
noitanibmoc of lla the evoba processes dluoc eb
MAKING
adopted ot get lluf dluom .snrettap
3.1 dednapxE enerytsylop nrettap yam eb edam ni
yna nrettap shop hcihw nac ekam nedoow .snrettap tI 4 CODE OF PRACTICE FOR MOULDING

si ylisae denihcam htiw dnah sloot or no 4.1 The gnidluom dnas sexim desu htiw dednapxe

gnikrow-doow enihcam .sloot tI yam eb ,nwas sharp enerytsylop snrettap llahs eb hcus that the deen for
,devink ,denalp delim or dednas gnisu hgih eldnips gnnimmar si .muminim ,suhT ekab-on or
speeds. enerytsyloP nwas htiw na yranidro dnab saw gninedrah-ria dnas sexim desab no muidos etacilis or
has a poor .hsinif Better stluser are deniatbo yb gnittuc cinagro ,sdnuopmoc ekil ,scilonehp onima scitsalp or
htiw a dnab saw morf hcihw the teeth evah neeb naruf yam eb etiuq .elbatius diulF dnas sexim yam eb
nekorb off dna gniniamer edge .deneprahs tI yam osla rehtruf ylsuoegatnavda .desu
eb ylisae denihcam htiw a hot ,loot erom ylralucitrap
4.1.1 tneiciffuS dluom ytilibaemrep llahs eb
htiw a emorhcin eriw tuoba( 0.5 ot 0.8 mm )retemaid
deniatniam for the gases ot emoc .tuo
heated yllacirtcele yb gnissap a dc tnerruc at 24 .stlov
4.1.2 naelC yrd dnas yam osla eb desu htiw the lluf
3.2 elihW gniraperp ,snrettap yrassecen secnawolla
dluom ssecorp- esuaceb the elbadnapxe nrettap
are nevig for the latem egaknirhs dna .gninihcam
stroppus the ,dnas litnu ti si decalper yb .latem
nehW the nrettap si ot eb used for lluf dluom ,gnitsac
dednobnU dnas si detcapmoc dnuora the nrettap yb
on draft si ,deriuqer esiwrehto elbatius taper llahs eb
,ytivarg yb ,noitarbiv yb gnitloj dna yb gninifnoc the
nevig fi ti si deriuqer ot eb nwardhtiw morf the dluom
dnas ot mrof a digir .erutcurts sA the nrettap si decalper
for .esu-er ehT ycarucca of the ,sgnitsac as for sgnitsac
yb netlom ,slatem the gnitluser gas ,erusserp the
edam morf nedoow ,snrettap si denoitidnoc yb the
desnednoc tcudorp of ,noitaziropav dna the latem
ycarucca of the snrettap .sevlesmeht
,flesti lla enibmoc ot troppus the dnas dna niatniam the
3.3 ehT nrettap yam eb desopmoc of separate parts digir erutcurts of the .dluom gninnuR dna gnideef
deulg together htiw a edyhedlamrof eulg or yna laiceps metsys yam osla eb edam of the emas .lairetam
KS 10094 : 1998
.1 Raw !airetam 5. egarotS nib
.2 remaoferP .6 nrettaP gnimrof enihcam
.3 revelS .7 nrettaP
.4 citamuenP royevnoc .8 gnitteG detacilpmoc nrettap yb gniulg
1.clF -MARGAIDCITAMEHCS MOULDINGOFPOLYSTYRENEPATTERNS
4.2 ehT dressed enerytsylop nrettap si set no a nrettap ehT gniruop nisab si neht set dna the latem .deruop ehT
etalp or level roolf ni gnidluom xob dna dettif hfiw a enerytsylop seifisag as noos as the netlom latem semoc
enerytsylop gnitag ,metsys ylbareferp gnivah a ni tcatnoc htiw ti dna escapes morf the .dluom
cimarec .eurps ehT nrettap si neht derevoc htiw ria
gninedrah gnidluom dnas dna lla ,seitivac pockets dna
4.3 nI lluf dluom ,gnitsac cores are desnepsid htiw ni
the elohw ecafrus are ylluferac packed yb dnah htiw a
a ytirojam of cases. fI ,yrassecen these are passed
reyal of dnas at tsael 57-05 mm .kciht ehT rest of the
hguorht the enerytsylop ,nrettap the tnirp noitrop
xob si dellif htiw yranidro gnidluom dnas dna .demmar
gnignah tuo hcihw goes otni the gnidluom .dnas
ehT xob si neht detrevni dna other edis of the xob
dedluom ni a ralimis .yaw stneV are decreip morf top.
4.4 roF llams ,sgnitsac top gnitag or gnitrap gnitag
fI the nrettap si ot eb devomer the sexob yam eb
nac eb desu tub for yvaeh ,seno mottob gnitag si
,denepo nrettap nwardhtiw if ,elbissop or delesihc tuo
.dednemmocer
or tnrub htiw a gas torch dna the sexob desolc .niaga

2
Bureau of Indian Standards
SIB si a yrotutats noitutitsni dehsilbatse rednu the Bureau of Indian Standards Act, 1986 ot etomorp
suoinomrah tnempoleved of the seitivitca of ,noitazidradnats gnikram dna ytilauq noitacifitrec of goods
dna gnidnetta ot detcennoc srettam ni the .yrtnuoc
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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 epyt or grade .snoitangised
seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ,)snoitacilbuP( .SIB
Review of Indian Standards
stnemdnemA are deussi ot sdradnats as the deen sesira no the sisab of .stnemmoc sdradnatS are osla
deweiver ;yllacidoirep a dradnats gnola htiw stnemdnema si demriffaer when hcus weiver setacidni that
on segnahc are ;dedeen fi the weiver setacidni that segnahc are ,dedeen ti si nekat pu for .noisiver sresU
of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of the tsetal stnemdnema or noitide yb
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sihT naidnI dradnatS has neeb depoleved morf Dot : No. DTM 14 ( 3974 ).
Amendments Issued Since Publication
dnemA No. Date of eussI txeT detceffA
UAERUB FO NAIDNI SDRADNATS
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