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RSHNA SoNI
WELDI NG
dding is^ the^ metbllungical process joining too metals
byPplication o heat oith^ o6^ Coithout^ Psesune^ and^ e
oteyial.
t ie^ dejinod o^ he^ capacihy^ o^ being^ eldrd^ ntp
ingepaable joints hovenq specified^ pettes.^ sf^ he
chemicel, (^) Physiak, thena^ and^ metallutgiol^ Pmperties 0e
undisirable in weldd jouts hon Ahey Can be Coveseod
by un pDpe ghielding osmo sphushe ond Ptoorcste ond aot taeatmant bepbe ond afte eloling.
ond
Jhe ycuous^ udding dcess e3 090
Electbic 0tc selding
Gha3 0eldinq
- Jhetmal ewelding h. 8lechical^ Roaistance^ welding^ ond
- Friction weldin Cdding PoDee^ sees^ on^ be^ cla^ gaihed^ tnto Plastic cweding/^ Pseaguste^ cwelding. Fusion wedding | Non-Poeube^ welding
Ento
PLASTIc WeLDING^ Co)^ PRE9SURE^ WeLDING n ths^ tue welding,^ ths^ mutol^ pieca^ to^ be^ jotmd
he opplication o^ Pseste^ ithout^ tho^ oddition^ o^ Ala
mateia ea:^ Foage^ cwelding,^ Resistonee^ wolding^ ,^ ek.
o9te heaed^ to^ ts^ plaseic^ 3tale^ ond^ Ahen^ joied^ togethon^ by
mateniak.
Fus TON WELDIN6 (0 NoN-PRE&SURE WELOING (^090) haalkdto molten 9tae^ Ond^ adkouwdd^ to^ 8ol&y^ widhou
8n this tpe oweding Ahe metal Pteces to be^ jotnud
he opplitoshion Paeseute wirestthe odl ition o &llv matenal x: Aac
ille weloling Ghaß^ welding,^ ekt. ARC WELDING Jhe (^) ain&ple o^ 0e^ wdding^ ha!,^ cshon^ two^
Conductpas
an lechie ote ts for mud .A base^ Bechion^ ot^ the^ end^ he^ elochocde^ cs clamped to^ one^ texminal^ of^ dhe^ pow^ soune^ and^
he othan teAminal^ is^ conecled^ to^ h^ wodR^ Pte^ ce^ being woldad
Conductoasl Cas (^) uit au^ touchuok^ tosethou,^ an^ elemMC
being
AA (^) highhg hoot^ dong ty^ te^ Phvduted^ hdough^ out^ Ha^ lengBh o tha^ ote^ ak^ a^ emperdtwe^ 50000'C^ to^
60000C. Jhe funchion^ o^ tdding^ madhin^ ig^ to^ gengvale^
a Loo (^) voltage lio^ t^ 50V)^ on^ high»^ uont. (so^ A (^) to 300A)
an D.C^ welding,^ Aha^ wodk^ Piea^ cg Conneced^ to^ the
Jhe
votage
to -ve Pole +ve (^) pole o a^ De^ genaratdy^ and^
ha elsctrode^ to^ -ve^ fole Shieldad Metal Axc diling Welding Machine ARC^ WELOING CSMAW) £leckrode Elctvods Holdus (^) Poun Suptly Coaingwdd Pool Vectnde J (^) Paotchin
SLKSolidi adLAYE elo R
God 'Cobe Ac WoRptece
lecta.acko Cahle
HARSHTTA 90NT A Curent (^) eouisementa of AC (^) coeldtng: &D-a00 fmp3 hrhin moderio.
ao-800 Amp3 or enaral coodR.
Up to^600 Amp3 s heovy wodR. WELDING ELECTRODES : Jhe ypeg o elachrodus hot o90 enaraly urdor
celding 090
Con&umoable elsctode-^ Stmetal^ mlts to^ andths &upplieswelda.^ fell Non-ongumable 8ochode-^ it^ doe9^ not^ malt^ but 2eParake lla^ metaQ^ is^ to
be odded to^ tha^ wdd
Boke eloctoodol^ Stai^ houtcmist ony^ omatal ux coohingg.od^ aWoy^ oide
Flux coveododoakD-^ cOhichmetal ohove aUWoy^ ux act8^ coreuing 0 shi^ dhe
8pecification ofElecttode:
Jhe coool^ elactrodeg^ ou^ hd^ clashe^ nto^ ght
Coated andond^ heavy oaded.^ Heo^ Coated^ ha^ ayeh^ of^ Amm
o 3mm^ Coahiny.Heavy^ 0oaning&^
a (^) ComPo8ed gt tonizing (cholh),^ deoxidiaing^ Caluminum,^ Fo^ mggnehic^ et.), a3sand enuohingbindin mateak.Cskach),^ Alaj^ oaing^ Ckaulan),^ aldoying
HARSHTTA SoND_ AG_ Vaaous tupes edge PaepoYohion on be uged, ond he (^) chotte e ha mosb (^) auitable (^) enfluenee bya numbSt o cbaA TyPe o covdk Posttion o weing 3 Aceese^ br^ oic.^ ond^ eldode 4 Volume^ o^ dopo8tked^ weid^ metol. Dtlution
- (^) Coßt (^) ofl Poepanng edges Shainage ond d gtoa tion WELDING ACCE SSORIES
Ac Welding Papoedunte JheJhe^ Aulace^ to^ be^ weldod^ ta^ cleanad^ ond^ edges^ ae e (^) Jhe oAng Qlockrode^ ii^ hold^ in^ on^ dschrode^ hold^ Ond dhe (^) round comp^ ii^ elomped
Jhe Plates^ to^ be^ weldac^090 po8thonud^ overtapPing^ and
tag Cwold^ ig^ dane^ to^ avotd.^ move^ mont.
oo Jhe Jhe^ edechie^ ate^ i^ phducod^ mkts^ he^ esuctrode^ jotng
dhe tuo^ metol^ platts.
ogsoce93 Maintoning ha (^) toa gaPbe compleed^ Smm bybehaen emovh&u^ tho^ plotel, t&ingthe^ weldingotte brush ond^ chipping^ hommet.
HARSHTTA SDNZ
ELECTRODE HoLDER
A (^) metal elechode 8hu dovce ud r hdding^ he^ echodo nachocall St^ conveye^ elecbic^ aAnt^ fom^ wddinq^ mochine b the elachrode EARTHING CLAMPS t connected to^ he^ end^ he^ ground^ cable.^ Jt^ ig
no mally clomped he^ welding^ falble^ o^ he^ job^ it
self to Complate dhe^ elbctn'^ CuMen
Job
CHIPPING HAMMERS Chipring hammo^ is^ usd^ br^ chppinq^ he (^) 8laq cooting on Coldcxold uface.St^ onstetg^ a^ long^ handle^ owth^
kaa made
OC9t 9teel.
WIRE BRUSH CHIPPING HAMMER WELDERS HELMET ORape Paoteehive Frlln shell Tai mmn EYE Retain gprin PROTECTTON| Lid toVU Fyome ASSEMBLY pinghasket
HORSHITA ONT Wise Bxush
Analn Jhe (^) coie bush 2s^ ue^ to^ clean^ he^ 8ulbre^ to^ be^ weldodweldos. Helmat: St enpLon^ o^ Jace^ shiedd^ ox^ halnat.^ gt^ ig^ to^ pket^
the
eye3 ote^ welders^ fom^ the^ iht^ Apaaks^ faodusd^ du^ ng
elding.
Sofety Google's :
Googlels coit^ glases^ a^ usd^ to^ psbeekt^
thu y o Ahe
Guddr (^) om the^ ght^ spsk^ prduvd^ dusing^ elkng
he
Fat tonga whe dnq^ mallo^ ptece&^ togeht,^ ks^ movinghe^
poces
to ffexnt^ codding^ onglu^ and^ hhng^ of^ pteces^
os chPPh. ROdNDEOE DRoP
HARDY FRETCHE HOLLON PACE^ HoLE^ HOLE
CLORE BITS TABLE
Holan^ t^ HEEL ANGLE
BTS
WAIST OPEN BITS FEET (Tongs
ANVIL dt^ t^ a^ dolid^ coghing^ omld^
oed. U2ed^ gor %upp-
-otng he^ cood^ bx^ hammsdng,^ Pundh^ matkin{,^
eku
bAnvil
welding defecte
- Cxacks
Dis tvation
T)
03halab GAs SLame
Neuanl Flame: A nuuhad Plome obkoined by Pyeng
oumas (^) o (^) ongn ond (^) aelena (^) (Oayans Acebene (^) :1) nutal (^) flome Consietg (^) o on ennot gmal whiis^ Cone gutoundad bydhapu hiwd blo lasna Most (^) o e^ oxy-aeylena cwelding^ s^ donu^ ott^ Ahe reunal loma. Intetdialt
ddini o rch, tp
Conbuaizing flame:^ A^ cabuiein1^ one^
o (^) dedueng lome
3 obtoinad^ by^ uplying^ exce^
ocetylend.C0n: Acetylene 0-9S: t has^3 Conu^ an^ enn^
owhite (^) cone , gurounduol^ by^ an ntemediake uhingh^ cone^ ond^ a^ buigh^ envelope^ fla babuti (^) zn famu^ i^ uled^ foa^ weldng^ alWoy^
thozta.
gntehnudioalecone
weldin torch tip
HARSH ITA (^) 90NP (^) A_
Oxidiaing flome: he onidisna loma is obtainod tohv
hde t exeo94 oxysen havngyas oto a3, high a3 1S
(DXyen : Acedylene = i-¬ :). t 9usembles a nwunloma n opposan excepthe
nm cohe cone
st ud or aeldin Moned mutad, niched,ete
hot cone
wdin tprch tp ConMON GAS HaaDTNG PRocERs Acetylene i he el ga ase .PDduces hgh hao onkent en Aho gange o30oe. CHg t^ 0a^ =^ aco^ +^ t^ HEAT o (^) Heat iS delealed^ ohan^ onbon^ bkeaks^ aoy^ H Advon toge of^ g^ eldng: Jhe 9uPmont iginexpengive^ ;^ un^ complitakd.
St tportable,^ usw^ roddingtight^ mtok.
Duodvandags ot^ jas^ coelding^ : Aceylehe^ s^ explotive. Gas woldng^ Alow^ dhan^ oluchic^ oahe^ welding. Not Aahsfactoy^ for^ hovy^ Sechio.
