Gearless Transmission Report.docx

8/17/2019 Gearless Transmission Report.docx

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GEARLESS TRANSMISSION

A Technical Project Report

submitted in partial fulfilment of

the requirement for the B.Tech. degreeunder Biju Patnaik University of Technology Rourkela.

!ubmitted By

REKHANKIT SASMAL Regd. No. 1201106301

ACHYUTA P. PARIDA Regd. No. 1201106286

SUBRATA BEHERA Regd. No. 13211060!

"IKAS DAS Regd. No. 120110626#

"anuary # $%&'

Under the guidance of

M$%. So&'() T$&*+, S)-oo

PROJECT GUIDE

D$. R. K. M),/

PROJECT CO-ORDINATOR

COLLEGE O ENGINEERING TECHNOLOGY

G-)+,,) B-&4)5e%)$ Od,%-) 7 #1003 I5d,)


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appre!ia(ed ("a( e$$i!ie!y as "i'" as 67-689 are possi+le i 'ear less (ras)issio

)e!"ais).

T"e $irs( appli!a(io o$ ("is )e!"ais) was )ade use o$ ("e :i' :e

Clo!& "a#i' $our dials o ("e (ower o$ odo. T"is !lo!& was is(alled

so)e(i)e +e(wee 1;


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3


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4i'ure 8> ?or&i' )odel o$ Gearless Tras)issio

2. 9ORKING

T"e Gearless (ras)issio or El-+ow )e!"ais) is a de#i!e $or (ras)i((i'

)o(ios a( ay $i2ed a'le +e(wee ("e dri#i' ad dri#e s"a$(. T"e sy("esis o$

("is )e!"ais) would re#eal ("a( i( !o)prises o$ a u)+er o$ pis would +e +e(wee

< (o @ ("e )ore ("e pis ("e s)oo("er ("e opera(io. T"ese pis slide iside "ollow

!yliders ("us $or)a((i' a slidi' pair. Our )e!"ais) "as < su!" slidi' pairs.

T"ese !yliders are pla!ed i a "ollow pipe ad are $as(eed a( 187 (o ea!" o("er.

T"is w"ole asse)+ly is )ou(ed o +ra!&e(s woode (a+le. Power is supplied +ya ele!(ri! )o(or.

T"e wor&i' o$ ("e )e!"ais) is uders(ood +y ("e dia'ra). A uused

$or) o$ (ras)issio o$ power o s"a$( lo!a(ed a( a a'le. 0o(io is (ras)i((ed

$ro) dri#i' (o ("e dri#e s"a$( ("rou'" ("e rods w"i!" are +e( (o !o$or) (o ("e

a'les +e(wee ("e s"a$(s. T"ese rods are lo!a(ed a( ("e "oles equally spa!ed

aroud a !ir!le ad ("ey are $ree (o slide i B ou( as ("e s"a$( re#ol#es. T"is (ype o$

dri#e is espe!ially sui(a+le w"ere qui(e opera(io a( "i'" speed is esse(ial +u( oly

re!o))eded $or "i'" du(y. T"e opera(io o$ ("is (ras)issio will +e appare( +y

("e a!(io o$ oe rod duri' a re#olu(io. I$ we assu)e ("a( dri#i' s"a$( A is

re#ol#i' as idi!a(ed +y arrow ("e dri#e s"a$( : will ro(a(e !ou(er !lo!&wise.

As s"a$( A (urs ("rou'" "al$ re#olu(io C s"ow i ("e ier ad )os( e$$e!(i#e

dri#i' posi(io slides ou( o$ +o(" s"a$(s A B :. T"e $irs( "al$ re#olu(io ad rod

C ("e will +e a( ("e (op ("e duri' ("e re)aii' "al$ ("is rod C slide i

wards u(il i( a'ai rea!"es (o ier )os( posi(io s"ow i 4i'. i ("e )eaw"ile

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("e o("er rods "a#e o$ !ourse passed ("rou'" ("e sa)e !y!le o$ )o#e)e(s all rods

are su!!essi#ely slidi' iwards ad ou(wards.

Al("ou'" ("is (ras)issio is a old oe )ay )e!"ai!s are s&ep(i!al a+ou(

i(s opera(io* "owe#er i( is o( oly pra!(i!a+le +u( "as pro#ed sa(is$a!(ory $or

#arious appli!a(ios w"e ("e dri#e is $or s"a$(s w"i!" are per)ae(ly lo!a(ed a(

'i#e a'le. Al("ou'" ("is illus(ra(io s"ows a ri'"( a'le (ras)issio ("is dri#e

!a +e applied also (o s"a$(s lo!a(ed a( i(er)edia(e a'le +e(wee 7 ad 67.I

)a&i' ("is (ras)issio* i( is esse(ial (o "a#e ("e "oles $or a 'i#e rod lo!a(ed a!!ura(ely i

("e sa)e "oles )us( +e equally spa!ed i radial ad !ir!u)$ere(ial dire!(ios*

ea!" rod s"ould +e +e( (o a( a'le a( w"i!" ("e s"a$( are (o +e lo!a(ed. I$ ("e "oles

drilled i ("e eds o$ ("e s"a$(s "a#e +lid or !losed eds* ("ere ou'"( (o +e a

s)all #e( a( ("e +o((o) o$ ea!" rod "ole $or ("e es!ape o$ air !o)pressed +y ("e

pu)pi' a!(io o$ ("e rods. T"ese "oles are use$ul $or oili' (o a#oid +lid "oles

s"a$(s )ay "a#e elar'ed por( or s"oulder. T"is (ras)issio )ay +e pro#ided

!e(rally ad i lie wi(" ("e a2is o$ ea!" s"a$( ad pro#ided wi(" a !ir!ular 'roo#e

a( ea!" rod or a !ross-pi (o per)i( ro(a(io o$ ("e s"a$( a+ou( ("e rod si)ply a!(i#e

as a re(aii' de#i!e $or s"ippi' ad "adli' purposed.

3. APPLICATION

T"e $ea(ured produ!( "as i(s wides( appli!a(io as a e2(esio $or a so!&e(

wre!". %ere ("e desi' )a&es i( easy (o rea!" $as(eers i ("e au(o)o(i#e ad o("er

)e!"ai!al idus(ries* w"ere dire!( a!!ess (o +ol(s ad s!rews is o$(e li)i(ed.

%owe#er* ("e possi+le appli!a(ios $or ("is (e!"olo'y e2(ed i(o u)erous $ields.

Jus( ("i& o$ ("e possi+ili(ies $or power (ras)issio i pus" +i&es* (oys ad "ad-

!ra&ed equip)e(* or $or )o#e)e( (ras)issio i s(ore ad ou(door si'a'e.

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1. Dri#i' $or all &ids $our $a!ed (ower !lo!&s. T"e el+ow )e!"ais) was

$irs( used i ("e year 1;@= $or ("e $a)ous odo (ower !lo!& a)ed +i' +e.

8. T"e )e!"ais) is i#aria+le used $or )ul(iple spidle drilli' opera(io

!alled ("e 'a' drilli'.

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I: MANUACTURING METHODS;<

:e#el 'ears* w"i!" are s(rai'"( (ee(" or spiral (ee(" are )au$a!(ured o

spe!ial purposes )a!"ies. T"ese require lar'e a)ou( o$ !al!ula(io ad e#ery

pair or se( o$ 'ear are )ade (o'e("er ad ("ere is o i(er!"a'ea+ili(y.

T"e 'earless dri#e "as ("is ad#a(a'e ("a( i( !a +e )a!"ied ad )au$a!(ured o

!o#e(ioal )a!"ies ad i( pro#ide !o)ple(e $reedo) o$ i(er!"a'ea+ili(y.

II: 9ORKING PRINCIPLE;<

A 'ear !o)prises o$ a $rus(u) o$ a !oe wi(" (ee(" ou( o i(s perip"ery .T"e dri#i' 'ear

)ou(ed o ("e ipu( s"a$( )es"es wi(" ("e dri#e 'ear ad ("us pro#ides )o(io a( ri'"( a'le

(o ("e ipu( s"a$(.

T"e wor&i' o$ ("e 'earless dri#e "as +ee e2plaied i ("e earlier !"ap(er

ad i( o+#iously #ery di$$ere( $ro) ("e a+o#e.

III: CAUSE O AILURE;<

/(ar(i' wi(" ("e pri!iple ("a( $ailure id ("e resul( o$ ("e s(ress i.e. !odi(io

)ore se#ere ("a ("e )a(erial !a wi(" s(ad. T"e #arious (ype o$ $ailures su!" as pi((i'*

!orrosio* erosio* $a(i'ue e(!. Cause ("e weari' o$ ("e 'ear (oo(" resul(i' i ("e

(oo(" leads (o ("e repla!e)e( o$ ("e e(ire 'ear se(* w"i!" is #ery e2pesi#e.

T"e e$$e!( o$ pi((i'* erosio* !orrosio e(!. will +e prese( i ("e 'earless

dri#e also +u( ("e e$$e!( o$ ("ese will +e o( +e as se#ere as i ("e !ase o$ 'eared

dri#e* $ailure will (a&e pla!e i ("e pis(o e.'...Ei("er +edi' or !ra!& o$ ("e pis*

+u( ("e )ai ad#a(a'e is ("a( oly par(i!ular pi will "a#e (o +e repla!ed is(ead

o$ !ase o$ $ailure.

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"I: MATERIAL;<

T"e )a(erial !"ose $or ay !o)poe( )us(

1. +e easily a#aila+le

8. +e !apa+le o$ +ei' pro!essed i ("e desired e)aa(ios ad


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"II: LIE AND EICIENCY;<

Desi'ed li$e represe(s ("e (o(al period o$ opera(io* re'ardless o$ ay

#aria(ios o$ (orque or speed* w"i!" )ay o!!ur duri' ("a( ("e (i)e. T"e 'eared

dri#e is !apa+le o$ 'i#i' a e$$i!ie!y o$ a+ou( 79 ad !er(ai errors li&e

+a!&las"* "u(i' e(!... !ao( +e eli)ia(ed.

I ("e 'earless dri#e* al("ou'" ("e li$e "as o( +ee !al!ula(ed +u( i( is assu)ed ("a( i(s

li$e will +e i !o)pariso (o ("a( o$ 'eared dri#e +u( i(s e$$i!ie!y !ould +e as "i'" as @=9 (o

689 wi(" proper lu+ri!a(io ad !ooli'.

#. SELECTION O MATERIAL

T"e proper sele!(io o$ )a(erial $or ("e di$$ere( par( o$ a )a!"ie is ("e

)ai o+,e!(i#e i ("e $a+ri!a(io o$ )a!"ie. 4or a desi' e'ieer i( is )us( ("a( "e +e$a)iliar wi(" ("e e$$e!(* w"i!" ("e )au$a!(uri' pro!ess ad "ea( (rea()e( "a#e

o ("e proper(ies o$ )a(erials. T"e C"oi!e o$ )a(erial $or e'ieeri' purposes

depeds upo ("e $ollowi' $a!(ors>

1. A#aila+ili(y o$ ("e )a(erials.

8. /ui(a+ili(y o$ )a(erials $or ("e wor&i' !odi(io i ser#i!e.

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1. S+$e5g+-; I( is ("e a+ili(y o$ a )a(erial (o resis( ("e e2(erally applied $or!es

8. S+$e%%; ?i("ou( +rea&i' or yieldi'. T"e i(eral resis(a!e o$$ered +y apar(

(o a e2(erally applied $or!e is !alled s(ress.

>5e%%; I( is ("e a+ili(y o$ )a(erial (o resis( de$or)a(io uder s(resses.

T"e )odules o$ elas(i!i(y o$ ("e )easure o$ s(i$$ess.

. E)%+,/,+(; I( is ("e proper(y o$ a )a(erial (o re'ai i(s ori'ial s"ape

a$(er de$or)a(io w"e ("e e2(eral $or!es are re)o#ed. T"is proper(y is

desira+le $or )a(erial used i (ools ad )a!"ies. I( )ay +e o(ed ("a( s(eel

is )ore elas(i! ("a ru++er.

=. P)%+,/,+(; I( is ("e proper(y o$ a )a(erial* w"i!" re(ai ("e de$or)a(io

produ!ed uder load per)ae(ly. T"is proper(y o$ )a(erial is e!essary $or

$or'i'* i s(a)pi' i)a'es o !ois ad i ora)e(al wor&.

;. D&/+,,+(; I( is ("e proper(y o$ a )a(erial ea+li' i( (o +e draw i(o wire

wi(" ("e appli!a(io o$ a (esile $or!e. A du!(ile )a(erial )us( +e +o("

s(ro' ad plas(i!. T"e du!(ili(y is usually )easured +y ("e (er)s* per!e(a'e

elo'a(io ad per!e( redu!(io i area. T"e du!(ile )a(erials !o))oly

used i e'ieeri' pra!(i!e are )ild s(eel* !opper* alu)iu)* i!&el* i!* (i

ad lead.

. B$,++e5e%%; I( is ("e proper(y o$ )a(erial opposi(e (o du!(ile. I( is ("e

proper(y o$ +rea&i' o$ a )a(erial wi(" li((le per)ae( dis(or(io. :ri((le

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)a(erials w"e su+,e!(ed (o (esile loads sap o$$ wi("ou( 'i#i' ay

sesi+le elo'a(io. Cas( iro is a +ri((le )a(erial.

@. M)e)4,,+(; I( is a spe!ial !ase o$ du!(ili(y* w"i!" per)i(s )a(erial (o +e

rolled or "a))ered i(o ("i s"ee(s* a )allea+le )a(erial s"ould +e plas(i!

+u( i( is o( esse(ial (o +e so s(ro'. T"e )allea+le )a(erials !o))oly

used i e'ieeri' pra!(i!e are lead* so$( s(eel* wrou'"( iro* !opper ad

alu)iu).

6. To&g-5e%%; I( is ("e proper(y o$ a )a(erial (o resis( ("e $ra!(ure due (o "i'"

i)pa!( loads li&e "a))er +lows. T"e (ou'"ess o$ ("e )a(erial de!reases

w"e i( is "ea(ed. I( is )easured +y ("e a)ou( o$ a+sor+ed a$(er +ei' s(ressed up (o

("e poi( o$ $ra!(ure. T"is proper(y is desira+le i par(s su+,e!(ed (o s"o!& a

i)pa!( loads.

17.Re%,,e5/e; I( is ("e proper(y o$ a )a(erial (o a+sor+ eer'y ad (o resis( ro!&

ad i)pa!( loads. I( is )easured +y a)ou( o$ eer'y a+sor+ed per ui(

#olu)e wi(" i elas(i! li)i(. T"is proper(y is esse(ial $or spri' )a(erial.

11.C$ee*; ?"e a par( is su+,e!(ed (o a !os(a( s(ress a( "i'" (e)pera(ure $or

lo' period o$ (i)e* i( will uder'o a slow ad per)ae( de$or)a(io !alled

!reep. T"is proper(y is !osidered i desi'i' i(eral !o)+us(io e'ies*

+oilers ad (ur+ies.

18.H)$d5e%%; I( is a #ery i)por(a( proper(y o$ ("e )e(als ad "as a wide #eri(y o$

)eai's. I( e)+ra!es )ay di$$ere( proper(ies su!" as resis(a!e (o wear

s!ra(!"i'* de$or)a(io ad )a!"ia+ili(y e(!. I( also )eas ("e a+ili(y o$

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("e )e(al (o !u( ao("er )e(al. T"e "ardess is usually e2pressed i

u)+ers* w"i!" are depede( o ("e )e("od o$ )a&i' ("e (es(. T"e

"ardess o$ a )e(al )ay +e de(er)ied +y ("e $ollowi' (es(

aF :riell "ardess (es(

+F Ro!&well "ardess (es(

!F i!&ers "ardess Halso !alled dia)od pyra)idF (es( ad

dF /"ear s!aleros!ope.

T"e s!ie!e o$ ("e )e(al is a spe!ialied ad al("ou'" i( o#er $lows i (o real

)ess o$ &owled'e i( (eds (o s"u( away $ro) ("e 'eeral reader. T"e &owled'e

o$ )a(erials ad ("eir proper(ies is o$ 'rea( si'i$i!a!e $or a desi' e'ieer. T"e

)a!"ie ele)e(s s"ould +e )ade o$ su!" a )a(erial w"i!" "as proper(ies sui(a+le

$or ("e !odi(ios o$ opera(ios. I addi(io (o ("is a desi' e'ieer )us( +e

$a)iliar wi(" ("e )au$a!(uri' pro!esses ad ("e "ea( (rea()e( s"a#e o ("e

proper(ies o$ ("e )a(erials. I desi'i' ("e #arious par( o$ ("e )a!"ie i( is

e!essary (o &ow "ow ("e )a(erial will $u!(io i ser#i!e. 4or ("is !er(ai

!"ara!(eris(i!s or )e!"ai!al proper(ies )os(ly used i )e!"ai!al e'ieeri'

pra!(i!e are !o))oly de(er)ied $ro) s(adard (esile (es(s. I e'ieeri'

pra!(i!e* ("e )a!"ie par(s are su+,e!(ed (o #arious $or!es* w"i!" )ay +e due (o

ei("er oe or )ore o$ ("e $ollowi'.

1. Eer'y (ras)i((ed

8. ?ei'"( o$ )a!"ie


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Ao("er !ri(eria $or sele!(io o$ )e(al deped upo ("e (ype o$ load +e!ause a

)a!"ie par( resis( load )ore easily ("a a li#e load ad li#e load )ore easily ("a

a s"o!& load. /ele!(io o$ ("e )a(erial depeds upo $a!(or o$ sa$e(y* w"i!" i (ur

depeds upo ("e $ollowi' $a!(ors.

1. Relia+ili(ies o$ proper(ies

8. Relia+ili(y o$ applied load


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ul(i)a(e (esile ad !o)pressi#e s(re'(" o$ ("ese s(eel i!reases wi(" i!reasi'

!ar+o !o(e(. T"ey !a +e easily 'as welded or ele!(ri! or ar! welded. ?i("

i!rease i ("e !ar+o per!e(a'e weld a+ili(y de!reases. 0ild s(eel ser#e ("e

purpose ad was "e!e was sele!(ed +e!ause o$ ("e a+o#e purpose.

BRIGHT MATERIAL;

I( is a )a!"ie dawed. T"e )ai +asi! di$$ere!e +e(wee )ild s(eel ad

+ri'"( )e(al is ("a( )ild s(eel pla(es ad +ars are $or'ed i ("e $or'i' )a!"ie +y )eas is o(

$or'ed. :u( ("e )a(erials are draw $ro) ("e dies i ("e plas(i! s(a(e. T"ere$ore ("e )a(erial

"as 'ood sur$a!e $iis" ("a )ild s(eel ad "as o !ar+o deposi(s o i(s sur$a!e $or

e2(rusio ad $or)a(io o$ e'ieeri' )a(erials ("us 'i#i' ("e) a 'ood sur$a!e

$iis" ad ("ou'" re(aii' ("eir )e(alli! proper(ies.

RA9 MATERIAL AND STANDARD MATERIAL

SR NO PART NAME MAT =TY DECREPTION

1 4RA0E 0/ 1 C se!(io =2 72 ))

8 0OTER /TD 1 7.8= "p 17 rp)

< /%A4T 0/ 8 Dia 87)) 2


16/32

= :ENT IN 0/ < Dia 17 )) 2 87 ))

; PUE CI 8 Dia = B 8=7 ))

PEDE/TA:EARING

CI P87

@ :ET EAT%ER 1 a-=;

6 ANGE ROD 0/ 1


17/32

1. To de(er)ie ("e selli' pri!e o$ a produ!( $or a quo(a(io or !o(ra!( so as

(o esure a reasoa+le pro$i( (o ("e !o)pay.

8. C"e!& ("e quo(a(io supplied +y #edors.


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MACHINING COST ESTIMATION;

T"is !os( es(i)a(io is a a((e)p( (o $ore!as( ("e (o(al e2peses ("a( )ay i!lude (o

)au$a!(ure apar( $ro) )a(erial !os(. Cos( es(i)a(io o$ )au$a!(ured par(s !a

+e !osidered as ,ud')e( o ad a$(er !are$ul !osidera(io w"i!" i!ludes

la+our* )a(erial ad $a!(ory ser#i!es required (o produ!e ("e required par(.

LABOUR COST;

I( is ("e !os( o$ re)uera(io Hwa'es* salaries* !o))issio* +ous e(!.F o$ ("e

e)ployees o$ a !o!er or e(erprise. a+our !os( is !lassi$ies as>

1. Dire!( la+our !os(

8. Idire!( la+our !os(

DIRECT LABOUR COST>

T"e dire!( la+our !os( is ("e !os( o$ la+our ("a( !a +e ide(i$ied dire!(ly

wi(" ("e )au$a!(ure o$ ("e produ!( ad allo!a(ed (o !os( !e(ers or !os( ui(s. T"e

dire!( la+our is oe w"o !ou(ers ("e dire!( )a(erial i(o sale a+le produ!(5 ("e

wa'es e(!. o$ su!" e)ployees !os(i(u(e dire!( la+our !os(. Dire!( la+our !os( )ay

+e appor(ioed (o ("e ui( !os( o$ ,o+ or ei("er o ("e +asis o$ (i)e sped +y a wor&er

o ("e ,o+ or as a pri!e $or so)e p"ysi!al )easure)e( o$ produ!(.

INDIRECT LABOUR COST>

I( is ("a( la+our !os( w"i!" !ao( +e allo!a(ed +u( w"i!" !a +e appor(ioed

(o or a+sor+ed +y !os( !e(ers or !os( ui(s. T"is is ("e !os( o$ la+our ("a( does o(

al(ers ("e !os(ru!(io* !o$ir)a(io* !o)posi(io or !odi(io o$ dire!(

)a(erial +u( is e!essary $or ("e pro'ressi#e )o#e)e( ad "adli' o$ produ!( (o

("e poi( o$ dispa(!" e.'. )ai(ea!e* )e* "elpers* )a!"ie se((ers* super#isors

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ad $ore)e e(!. T"e (o(al la+our !os( is !al!ula(ed o ("e +asis o$ wa'es paid (o

("e la+our $or @ "ours per day.

Cos( es(i)a(io is doe as uder

Cos( o$ pro,e!( K HAF )a(erial !os( L H:F 0a!"ii' !os( L HCF la+our !os(

RA9 MATERIAL COST;

I( i!ludes ("e )a(erial i ("e $or) o$ ("e 0a(erial supplied +y ("e /(eel

au("ori(y o$ Idia li)i(edM ad Idia alu)iu) !o.* as ("e roud +ars* a'les*

square rods* pla(es alo' wi(" ("e s(rip )a(erial $or). ?e "a#e (o sear!" $or ("e

sui(a+le a#aila+le )a(erial as per ("e require)e( o$ desi'ed sa$e #alues.

SL. NO NAME O THE

PART?OPERATION

=UANTITY PRICE

71 0./. /"a$( - Rs. 8*@77

78 /"a$( Rod - Rs. 1*77

7< :eari' P!s. Rs. 8*777

7 a("e3?eldi'3Drilli' - Rs.


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. SPECIICATION MANUACTURING O PARTS

MANUACTURING PROCESS;

T"e $ollowi' are ("e #arious )au$a!(uri' pro!ess used i )e!"ai!al

e'ieeri'.

1. PRIMARY SHAPING PROCESS;

T"e pro!ess used $or ("e preli)iary s"api' o$ ("e )a!"ie !o)poe( is

&ow as pri)ary s"api' pro!ess.

2. MACHINE PROCESS ;

T"e pro!ess used $or 'i#i' $ial s"ape (o ("e )a!"ie !o)poe(* a!!ordi' (o

plaed di)esios is &ow as )a!"ii' pro!ess. T"e !o))o opera(iodrilli'* +ori' e(!.

3. SURACE INISHING PROCESS;

T"e pro!ess used (o pro#ide a 'ood s"ape sur$a!e $iis" $or ("e )a!"ie

!o)poe(s are &ow as sur$a!e $iis"i' pro!esses. T"e !o))o opera(io used

$or ("e pro!ess are polis"i'* +u$$i'* lappi' e(!.

. @OINING PROCESS;

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T"e pro!ess used $or ,oii' )a!"ie !o)poe(s are &ow as ,oii'

pro!ess. T"e !o))o opera(io used $or ("is pro!ess are solderi'* +rai'*

weldi' e(!.

PROCESS AECTING CHANGE IN PROPERTIES;

T"ese are i(eded (o i)por( spe!i$i! proper(ies (o )a(erial e.'. "ea(

(rea()e(* "o( wor&i'* !old rolli' e(!.

A: 9ELDED @OINTS;

A welded ,oi( is a per)ae( ,oi(* w"i!" is o+(aied +y ("e $usio o$ ("e

ed'es o$ ("e (wo par(s* (o +e ,oied (o'e("er* wi(" or wi("ou( ("e appli!a(io o$

pressure ad a $iller )a(erial. ?eldi' is i(esi#ely used i $a+ri!a(io as a

al(era(i#e )e("od $or !as(i' or $or'i' ad as a repla!e)e( $or +ol(ed ad

re#er(ed ,oi(s. I( is also used as a repair )ediu).

ADNANTAGES;

1. T"e welded s(ru!(ures are usually li'"(er ("a ri#e(ed s(ru!(ures.

8. T"e welded ,oi(s pro#ide )a2i)u) e$$i!ie!y w"i!" (o i)possi+le

ier#a(ed ,oi(s


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8. I( requires a "i'"ly s&illed la+our ad super#isio.


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1. T"e # - +el( dri#e !oe!( +e used wi(" lar'e !e(re dis(a!es +e!ause

o$ lar'er wei'"(* $or ui( le'(".

8. T"e # - +el( are o( as dura+le as $la(.


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+e per$or)ed

o !u((i' side

ad +ri' i( i

perpedi!ular

!.s. ?eld ("e

!"aels (o ("e

required sie

as per ("e

drawi'

Ele!(ri! ar!

weldi'

)a!"ie

................. Try square 87 )i

= Drilli' ("e

$ra)e a(

required poi(s

as per ("edrawi'

Radial drill

)a!"ie

Twis( drill erier !alliper 17 )i

N)'e o> *)$+; *,5

M)+e$,); 4$,g-+ %+ee

=&)5+,+(; 3

/r. o. De(ail

opera(io

)3! used Tool used a!!essory 0easuri

'

is(ru)e

(

1 0ar&i' o

s"a$(

- - - /!ale

8 Cu((i' as per

dw'

Power

"a!& saw

%o!& saw

+lade

Ji' B

$i2(ures

/!ale

< 4a!i' +o(" a("e /i'le !"u!& erier

23


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26/32

dw' sie

= Drilli' < "ole Drilli'

)a!"ie

Drill erier

!alliper

; 4illi' o +o("

ed

4la( $ile i!e -

N)'e o> *)$+; *&e(

M)+e$,); C.I

=&)5+,+(; 2

/R

NO

DI/CRIPTION

O4

OPERATION

0AC%INE

U/ED

CUTTING 0EA/URE0ENT TI0E

1 Ta&e s(adard

pulley as per

desi'

............. ................ .................... ............

8 4a!e +o(" side

o$ "u+ por(io

a("e )3! /i'le

poi(

!u((i' (ool

erier !alliper 1= )i.

< %old i( i ("ree

,a!& !"u!& B

+ore ier dia

as per s"a$( sie

a("e )3! /i'le

poi(

!u((i' (ool

erier !alliper 87 )i.

25


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Drilli' ("e "u+

a( required

poi( as per ("e

drawi'

Radial drill

)3!

Twis( drill erier !alliper 17 )i

= Tap ("e "u+ a(

drill area

%ad (ap

se(

(ap erier !alliper 17 )i

8. POSSIBLE IMPRO"EMENTS AND AD"ANCES

8.1 METHOD O IMPRO"ING EICIENCY

T"e )ai )o(io is (ras)i((ed wi(" ("e "elp o$ a slidi' pair w"i!" $or)ed +e(wee

pi B ("e !ylider. T"ese pis "a#e (o +e lapped ad !leaed ad i( s"ould +e !apa+le o$

pro#idi' !o)ple(e i(er!"a'ea+ili(y si)ilarly wi(" ("e !ylider* ("ey (oo "a#e (o +e

"oe or lapped so as (o pro#ide s)oo(" sur$a!e $iis". T"is will resul( i less $ri!(ioal loss ad

less "ea( 'eera(io.

1: LUBRICATION AND COOLING METHODS; <

u+ri!a(io ad !ooli' are a )us( i slidi' )e)+ers. Oe o$ ("e si)ple

(e!"iques applied $or lu+ri!a(io !a +e (o drill oil "oles i ("e !ylider +ody $or

$ill ("a up wi(" oil. :u( ("is (e!"ique will o( +e #ery e$$e!(i#e si!e ("e wei'"( ad use o$

!yliders will i!rease.

2: MODIICATION; <

Oe o$ ("e )e("ods +y w"i!" e$$i!ie!y or per$or)a!e !a +e e"a!ed is

+y i!reasi' ("e u)+er o$ pis. 4ro) ("e wor&i' o$ ("e )e!"ais) we &ow ("a( ("e pi a(

26


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("e ier )os( posi(io is ("e drawi' pi ("e pis ("e )e!"ais). T"us i$ ("e o. required $or

("e e2( pi (o a((ai ("e ier )os( posi(io is !osidera+le redu!ed ad ("us ("e

per$or)a!e o$ ("e )e!"ais) Bi(s li$e i!reases.

8.2 POSSIBLE AD"ANCE

?e !a also use ("is (ras)issio sys(e) as

1. As lu+ri!a(i' pu)p w"ile (ras)i((i' power.

8. /(ea) e'ie Heli)ia(i' ("e !ra& o$ s"a$( B !o)pli!a(ed

#al#e sys(e)F.

1. LUBRICATING PUMP;<

T"e s)all !"a'e w"i!" "a#e (o i!orpora(e $or ("is purpose is (o pla!e

s(a(ioary dis! a( ("e rear ad i( so $i(s wi(" ("e !ylider ("a( i( a#oids lea& o$ 'ases.

9ORKING;

T"e slo( posi(io ad le'(" is so ("a( ad,us(ed ("a( w"e pi is a( ier )os( posi(io

!ylider )es"es wi(" ("e su!(io por( B su!(io o$ oil is s(ar(ed ("e slo( re)ais

ope (ill pi 'i#e )a2i)u) ou(ward s(ro&e* a$(er ("a( !ylider ed is !losed +y

("e dis!s. Now ("e pi s(ar(s )o#i' iwards ad ("us !o)pressio s(ro&e

!o))e!es. T"e deli#ery slo( lo!a(io is so ad,us(ed ("a( a$(er ("e !o)ple(io o$

@7 (o @=9 o$ !o)pressio s(ro&e* ("e !ylider )es"es wi(" ("e deli#ery s(ro&e B

("us ("e !o)pressed $luid is dis!"ar'ed a( "i'" pressure. T"e deli#ery slo( le'("

was su!" ad,us(ed ("a( re)ais i )es" wi(" !ylider $or 1=(o 879 o$ !o)pressio

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10. CONCLUSION

1. T"is pro,e!(s w"i!" loo&s #ery si)ple B easy (o !os(ru!( was a!(ually #ery

di$$i!ul( (o !o!ei#e B i)a'ie wi("ou( seei' a a!(ual oe i pra!(i!e.

8. ?e $id ("a( w"ile a!!ep(a+le aalysis $or e2is(i' )e!"ais) !a o$(e +e

)ade qui(e easily we !ao( wi("ou( isi'"( B i)a'ia(io )a&e e$$e!(i#e

sy("esis o$ ew )e!"ais) "e!e we are )ould (o prese( ("is our pro,e!(

'earless (ras)issio a( 67HEl-+ow )e!"ais)F w"i!" we "a#e )aa'ed (o

su!!ess$ully de#i!e a$(er lo' B "ard ipu( i !o!ei#i' i(s wor&i' pri!iple.

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Documents

Gearless Transmission Report.docx