20638184 Slotting Machine

8/13/2019 20638184 Slotting Machine

1/32

SLOTTING MACHINE

PAVAN KUMAR

PRACHI GARG

PRANOTI SINGH

PRASHANSA

PRITI


2/32

INTRODUCTION

The slotting mahine !as "e#elo$e" %& '()nel in *+,, m)h ea(lie( than a

sha$e( !as in#ente"-

The slotting mahine .alls )n"e( the atego(& o. (ei$(oating t&$e o.mahine tool simila( to a sha$e( o( a $lane(-

The ma/o( "i..e(ene %et!een a slotte( an" a sha$e( is that the (am hol"ing

the tool mo#es in a #e(tial a0is in a slotte( an" in a ho(i1ontal a0is in a

sha$e(-


3/32


4/32

T2PES O3 SLOTTING MACHINE

PUNCHER SLOTTER The $)nhe( slotte( is a hea#& (igi"

mahine "esigne" .o( (emo#al o. la(ge

amo)nt o. metal .(om la(ge .o(gings o(

astings-

The $)nhe( slotte( (am is )s)all&

"(i#en %& a s$i(al $inion meshing !ith

the (a4 teeth )t on the )n"e(si"e o.

the (am-

The $inion is "(i#en %& a #a(ia%les$ee" (e#e(si%le elet(i moto( simila(

to that o. a $lane(-

The .ee" is also ont(olle" %&

elet(ial gea(s--

PRECISION SLOTTER

The $(eision slotte( is a lighte(

mahine an" is o$e(ate" at high

s$ee"s-

The mahine is "esigne" to ta4e

light )ts gi#ing a)(ate .inish-

Using s$eial /igs5 the mahine an

han"le a n)m%e( o. i"ential !o(4s

on a $(o")tion %asis-

The mahine is )se" .o( gene(al

$)($ose !o(4- The& a(e )s)all& .itte"

!ith 6hit!o(th 7)i4 (et)(n

mehanism-


5/32

SLOTTER SI8E

The si1e o. a slotte( li4e that o. a sha$e( is s$ei.ie" %& the

ma0im)m length o. st(o4e o. the (am5 e0$(esse" in mm-

The si1e o. a gene(al $)($ose o( $(eision slotte( )s)all& (anges

.(om +, to 9,, mm-

To s$ei.& a slotte( o((etl& the "iamete( o. the ta%le in mm5

amo)nt o. (oss an" longit)"inal t(a#el o. the ta%le e0$(esse" in

mm5 n)m%e( o. s$ee"s an" .ee"s a#aila%le5 h-$ o. the moto(5 .loo(

s$ae (e7)i(e" et sho)l" also %e state"-


6/32

CUTTING SPEED53EED AND DEPTH O3

CUT

CUTTING SPEED : The )tting s$ee" o. a slotte( is "e.ine" %& the (ate !ith !hih the

metal is (emo#e" ")(ing "o!n!a(" )tting st(o4e an" is e0$(esse"

in mete(s $e( min)te-

3EED :

It is the mo#ement o. the !o(4 $e( "o)%le st(o4e e0$(esse" in mm-

DEPTH O3 CUT:

It is the $e($en"i)la( "istane meas)(e" %et!een the mahine"

s)(.ae an" )nmahine" e0$(esse" in mm-


7/32

SLOTTER TOOLS

A slotting mahine tool "i..e(s !i"el& .(om a sha$e( o( a $lanne(tool- a slotte( (emo#es metal ")(ing its #e(tial )tting st(o4e -

This hange" )tting on"ition $(esents a lot o. "i..e(ene inthe tool sha$e -In a slotte( the $(ess)(e ats along the length o.the tool -

The (a4e an" the lea(ane angle o. a slotte( tool a$$a(entl&loo4 "i..e(ent .(om a lathe o( a sha$e( tool as these angles a(e

"ete(mine" !ith (es$et to a #e(tial $lane (athe( than theho(i1ontal -

Slotte( tools a(e $(o#i"e" !ith to$ (a4e 5 .(ont lea(ane an"si"e lea(ane %)t no si"e (a4e is gi#en -

The nose o. the tool $(o/ets slightl& %e&on" the shan4 to

$(o#i"e lea(ane - The amo)nt o. (a4e angle gi#en is simila( tothat o. a sha$e( tool-

The slotte( tools a(e (o%)st in (oss;setion an" a(e

)s)all& o. .o(ge" t&$e< o. o)(se 5 %it t&$e tools .itte" in

hea#& ")t& tool hol"e(s a(e also )se"-


8/32

SLOTTING MACHINE PARTS

'ASE

COLUMN OR PILLAR

SADDLE TA'LE AND CROSS SLIDE

ROTATING TA'LE

RAM AND TOOLHEAD ASSEM'L2

GEAR 'O=


9/32

'ASE o( 'ED

The %ase is (igi"l& %)ilt to ta4e )$ all the

)tting .o(es an" enti(e loa" o. the mahine-

The to$ o. the %e" is a)(atel& .inishe" to

$(o#i"e g)i"e !a&s on !hih the sa""le is

mo)nte"- The g)i"e !a&s a(e $e($en"i)la(

to the ol)mn .ae-

COLUMN

The ol)mn is the #e(tial mem%e( !hih is

ast integ(al !ith the %ase an" ho)ses

"(i#ing mehanism- It is also alle" the $illa(-

The .(ont #e(tial .ae o. the ol)mn is

a)(atel& .inishe" .o( $(o#i"ing !a&s on

!hih the (am (ei$(oates-


10/32

SADDLE

The sa""le is the enti(e )nit !hih is mo)nte" )$on the g)i"e !a&s an" ma& %e

mo#e" to!a(" o( a!a& .(om the ol)mn eithe( %& $o!e( o( man)al ont(ol to

s)$$l& longit)"inal .ee" to the !o(4-

The to$ .ae o. the sa""le is a)(atel& .inishe" to $(o#i"e g)i"e !a&s .o( the

(oss;sli"e- These g)i"e !a&s a(e $e($en"i)la( to the g)i"e !a&s on the

%ase-


11/32

ROTAR2 TA'LE

The (ota(& ta%le is a i()la( ta%le !hih is mo)nte" on the to$ o. the (oss;sli"e-

The ta%le ma& %e (otate" %& (otating a !o(m !hih meshes !ith a !o(m gea(onnete" to the )n"e(si"e o. the ta%le - The (otation o. the ta%le ma& %e e..ete"

eithe( %& han" o( $o!e( - In some mahines the ta%le is g(a")ate" in "eg(ees that

ena%les the ta%le to %e (otate" .o( in"e0ing o( "i#i"ing the $e(i$he(& o. a /o% in

e7)al n)m%e( o. $a(ts- T;slots a(e )t on the ta%le .o( hol"ing the !o(4 %& "i..e(ent

lam$ing "e#ies - The (ota(& ta%le ena%les a i()la( o( onto)(e" s)(.ae to %e

gene(ate" on the !o(4 $iee- The ta%le has g(a"es on it-


12/32

CROSS SLIDE

The (oss sli"e is mo)nte" )$on the g)i"e !a&s o. the sa""le an" ma&%e mo#e"

$a(allel to the .ae o. the ol)mn- The mo#ement o. the sli"e ma&%e ont(olle" %&

han" o( $o!e( to s)$$l& (oss;.ee"- The (otating !heel $(o#i"e" on the (oss;sli"e

an %e ont(olle" man)all& to g)i"e the (oss sli"es- The to$ one is alle" a ta%le-

An" the %ottom is alle" a (oss sli"e-


13/32

RAM AND TOOLHEAD ASSEM'L2 The (am is the (ei$(oating mem%e( o. the mahine mo)nte" on the g)i"e

!a&s o. the ol)mn - It s)$$o(ts the tool at its %ottom en" on a tool hea" - Aslot is )t on the (am .o( hanging the $osition o. st(o4e - In some

mahines 5 s$eial t&$e o. tool;hol"e(s a(e $(o#i"e" to (elie#e the tool

")(ing its (et)(n st(o4e

STROKE AD>USTING 'LOCK is a"/)ste" %& hanging the %e#el ga)ges)sing a s7)a(e sha.t- This hel$s in a"/)sting the $osition o. the %e#elga)ges 5 a"/)sting the st(o4e-

TOOL HEAD OR TOOL POST hel$s in hol"ing the )tting tool-

CLUTCH LEVER is )se" .o( "isengaging the mahine .o( a !hile-


14/32

RAM

TOOL POST STROKE ADJUSTING

BLOCK

CLUTCH LEVER


15/32

ROTATING 6HEEL .o( a"/)sting the

(oss sli"e an" ta%le-

'ALANCING 6HEEL is )se" .o(

a"/)sting it to a stan"a("

om%ination-

BEVEL GAUGE


16/32

GEAR 'O= The gea( %o0 has a gea( le#e( !hih is )se" .o( hanging the s$ee" o. the

mo#ement o. the (am-

Minim)m st(o4es $e( min)te a(e ?, !hile ma0im)m is *@,-

To (emo#e less mate(ial the mo#ement is ma"e .aste(-

3o( so.te( mate(ials li4e %(ass an" o$$e( the st(o4e mo#ement is $(e.e(a%l&

.aste( than one .o( the ha(" mate(ials-


17/32


18/32

RAM DRIVE MECHANISM

A slotte( (emo#es metal ")(ing "o!n!a(" )tting st(o4e 5 onl&

!he(eas ")(ing )$!a(" (et)(n st(o4e no metal is (emo#e" - To(e")e the i"le (et)(n time 5 7)i4 (et)(n mehanism is ino($o(ate"in the mahine - The )s)al t&$es o. (am "(i#e mehanisms a(e:

6hit!o(th 7)i4 (et)(n mehanism

Va(ia%le s$ee" (e#e(si%le moto( "(i#e mehanism

H&"(a)li "(i#e mehanism


19/32

6HIT6ORTH UICK RETURN MECHANISM

The 6hit!o(th 7)i4 (et)(n mehanism is most !i"el& )se" in a me"i)m si1e" slotting

mahine .o( "(i#ing the (am -

As sho!n in the .ig)(e 5 the %)ll;gea( loate" at the %a4 o. the mahine (eei#es its

motion .(om the $inion !hih is "(i#en %& an elet(i moto(-

The gea( is mo)nte" on a .i0e" $in o( h)% attahe" to the mahine .(ame - The "(i#ing

$late is mo)nte" on the sha.t !hih $asses th(o)gh the .i0e" h)% - The sha.t is $lae"

eent(iall& !ith (es$et to the %)ll;gea( ente( - A (an4 $in is mo)nte" on the .ae o.the %)ll;gea( !hih hol"s a sli"e %lo4 - The sli"e %lo4 is .itte" !ithin a (a"ial slot

$(o#i"e" at the inne(;si"e o. the "(i#ing $late - As the %)ll;gea( (otates5 the (an4 $in

an" the sli"e %lo4 (otate in a i()la( $ath 5 %)t o!ing to the eent(iit& o. the %)ll;gea(

an" the "(i#ing $late 5 the sli"e %lo4 (otates an" sli"es !ithin the slot o. the "(i#ing

$late im$a(ting it an" the sha.t (ota(& mo#ement - The (otation o. the "(i#ing $late is

t(ansmitte" to the "is !hih is attahe" to the en" o. the sha.t - A (a"ial T;slot is )t on

the .ae o. the "is - The $osition o. the $in .itte" !ithin the T;slot ma& %e alte(e" !ith

(es$et to the ente( o. the "is an" then lam$e" at one en" o. the onneting (o" is

attahe" to the (am %& a lam$ing %olt - The (otation o. the "is is on#e(te" into

(ei$(oating mo#ement o. the (am %& ollege (o" an" the $in eent(iall& mo)nte" on

the "is-


20/32

*-RAM

@-CONNECTING

ROD CLAMPING

'OLT

?-PIVOT

B-COUNTER

'ALANCE 6EIGHT

-CRANK DISC

-DRIVING SHA3T

-'ULL GEAR

+-DRIVING PLATE

9-3I=ED HU'

*,-CRANK PIN

6ITH SLIDE 'LOCK

**-DRIVING PINION

*@ ? B

+

9

*,

**


21/32

THE PRINCIPLE O3 UICK RETURN MECHANISM

-A an" ' a(e the .i0e" ente(s o. the %)ll;gea( an" the "(i#ing $late assho!n in the .ig)(e - The (an4 $in an" the sli"e %lo4 (otate in a i()la($ath at a onstant s$ee" 5 (otating the $late a%o)t ' - This a)ses the

"(i#ing "is attahe" to the sha.t to (otate - The $in on the "is (otates in ai()la( $ath a%o)t the .i0e" $oint ' - The length o. the (am is e7)al to t!iethe th(o! o. eent(iit& 5 !hih is e7)al to @ 0 ?'-


22/32

3(om the "iag(am it is lea( that !hen the %lo4 is in the $osition C 5 the (am is at the

ma0im)m )$!a(" $osition o. the st(o4e an" !hen it is at D 5 the ma0im)m "o!n!a("

$osition o. the (am has %een (eahe" - Th)s i. the %)ll;gea( (otates in anti lo4!ise

"i(etion 5 !hen the %lo4 (otates th(o)gh an angle CAD 5 the "o!n!a(" )tting

st(o4e is $e(.o(me" 5 !he(eas !hen the %lo4 (otates th(o)gh an angle DAC 5 the

(et)(n st(o4e om$lete" - As the %lo4 (otates at a onstant s$ee" the (otation o. the

(an4 $in th(o)gh an angle CAD ")(ing the )tting st(o4e ta4es longe( time than

(otation th(o)gh an angle DAC ")(ing the (et)(n st(o4e - Th)s the 7)i4 (et)(n motion

is o%taine" - The )tting time an" (et)(n time is (elate" %& the .o(m)la:

CUTTING TIME F RETURN TIME CAD F DAC The length o. st(o4e o. the (am an %e #a(ie" %& alte(ing the $osition o. $in !ith

(es$et to the ente( '5 i-e- the ente( o. the "is-3)(the( the $osition o. the $in !ith

(es$et to the "is ente(5 g(eate( !ill %e the th(o! o. eent(iit& an" longe( !ill %e

the st(o4e length-

The $osition o. st(o4e o. the (am %e a"/)ste" %& (eleasing the n)t @ an" then %&

alte(ing the $osition o. the onneting (o" lam$ing %olt !ithin the slot $(o#i"e" onthe %o"& o. the (am-A.te( setting the $osition5 the n)t is tightene" again-

As the (am mo#es in a #e(tial a0is5the !eight o. the (am is o)nte(%alane" %& a

!eight B attahe" to the %a4 o. the %a4 o. the (am an" is $i#ote" at a $oint ?-This

(es)lts e#en an" /e(4 .(ee mo#ement o. the (am in )tting an" (et)(n st(o4e-


23/32

ELECTRICAL AND H2DRAULIC DRIVE

La(ge mahines a(e "(i#en %& #a(ia%le #oltage (e#e(si%le moto( -

The h&"(a)li "(i#e is a"a$te" in mahines )se" in $(eision o( tool;(oom !o(4 - In ah&"(a)li "(i#e 5 the #i%(ation is minimi1e" (es)lting im$(o#e" s)(.ae .inish-


24/32

3EED MECHANISM

In a slotte( 5 the .ee" is gi#en %& the ta%le - A slotting mahine ta%lema& ha#e th(ee t&$es o. .ee" mo#ements:

LONGITUDINAL CROSS CIRCULAR

I. the ta%le is .e" $e($en"i)la( to the ol)mn to!a(" o( a!a& .(omits .ae 5 the .ee" mo#ement is te(me" as longit)"inal-

I. the ta%le is .e" $a(allel to the .ae o. the ol)mn the .ee"mo#ement is te(me" as (oss-

Li4e a sha$e( o( a $lane( 5 the .ee" mo#ement o. a slotte( is s)$$lie"eithe( %& han" o( $o!e( - The han" .ee" is s)$$lie" %& (otating thein"i#i")al .ee" s(e!s-


25/32

THE POWER FEED MECHANISM - A

am g(oo#e is )t on the .ae o. the %)ll

gea( in !hih a (olle( sli"es - As the %)ll

gea( (otates 5 the (olle( attahe" to a le#e(

.ollo!s the onto)( o. the am g(oo#e an"mo#es )$ an" "o!n onl& ")(ing a #e(&

small $a(t o. (e#ol)tion o. the %)ll gea( -

The am g(oo#e ma& %e so )t that the

mo#ement o. the le#e( !ill ta4e $lae onl&

at the %eginning o. the )tting st(o4e-

He(e the am g(oo#e )t on the %)ll gea( -

The (o4ing mo#ement o. the le#e( is

t(ansmitte" to the (athet an" $a!l

mehanism 5 so that the (athet mo#es in

one "i(etion onl& 5 ")(ing this sho(t $e(io"

o. time - The (athet !heel is mo)nte" on

a .ee" sha.t !hih ma& %e engage" !ith

(oss 5 longit)"inal o( (ota(& .ee" s(e!s

in"i#i")all& o( togethe( to im$a(t $o!e(

.ee" mo#ement to the ta%le-


26/32

SLOTTER OPERATIONS

The o$e(ations $e(.o(me" in a slotte( a(e:

Mahining .lat s)(.ae

Mahining &lin"(ial s)(.ae

Mahining i((eg)la( s)(.ae an" am mahining Mahining slots 5 4e&!a&s an" g(oo#es

The !o(4 is hel" on a slotte( ta%le %& a #ise5 T;%olts an" lam$s o(

%& s$eial .i0t)(es- T;%olts an" lam$ a(e )se" .o( hol"ing most o.

the !o(4 on the ta%le - 3i0t)(es a(e )se" .o( hol"ing (e$etiti#e !o(4-

6ORK HOLDING DEVICES


27/32


28/32

MACHINING 3LAT SUR3ACES

The e0te(nal an" inte(nal .lat s)(.aes ma& %e gene(ate" on a slotting mahine-

The !o(4 to %e mahine" is s)$$o(te" on $a(allel st(i$s so that the tool !ill ha#elea(ane !ith the ta%le !hen it is at the e0t(eme "o!n!a(" $osition o. the st(o4e-

The !o(4 is then lam$e" $(o$e(l& on the ta%le an" the $osition an" the length o. st(ois a"/)ste"-

A lea(ane o. @, to @mm is le.t %e.o(e the %eginning o. )tting st(o4e 5 so that the.ee"ing mo#ement ma& ta4e $lae ")(ing this i"eal $a(t o. the st(o4e-

The ta%le is lam$e" to $(e#ent an& longit)"inal o( (ota(& t(a#el an" the )t is sta(te".(om one en" o. the !o(4-

The (oss;.ee" is s)$$lie" at the %eginning o. eah )tting st(o4e an" the !o(4 isom$lete" %& )sing a (o)ghing an" a .inishing tool-


29/32

6hile mahining an inte(nal s)(.ae 5 a hole is "(ille" in the !o(4 $iee

th(o)gh !hih the slotting tool ma& $ass ")(ing the .i(st )tting st(o4e-

A seon" s)(.ae $a(allel to the .i(st mahine" s)(.ae an %e om$lete"

!itho)t "ist)(%ing the setting %& sim$l& (otating the ta%le th(o)gh *+,

"eg(ee an" a"/)sting the $osition o. the sa""le - A s)(.ae $e($en"i)la( to

the .i(st mahine" s)(.ae ma& %e om$lete" %& (otating the ta%le %& 9,

"eg(ee an" a"/)sting the sa""le an" (oss;sli"e-

Ke&!a&s )tting tools a(e thinne( at the )tting e"ges - Ro)n" nose toolsa(e )se" .o( mahining .lat s)(.aes-


30/32

MACHINING CIRCULAR SUR3ACES

The e0te(nal an" inte(nal s)(.ae o. a &lin"e( an also %e mahine" in aslotting mahine-

The !o(4 is $lae" ent(all& on the (ota(& ta%le an" $a4ing $iees an"lam$s a(e to hol" the !o(4 se)(el& on the ta%le-

The tool is set (a"iall& on the !o(4 an" neessa(& a"/)stments o. themahine an" the tool a(e ma"e-

The sa""le is lam$e" in its $oisition an" the mahine is sta(te"-6hihmahining 5the .ee"ing is "one %& the (ota(& ta%le ta%le .ee" s(e! !hih

(otates the ta%le th(o)gh a small a( at the %eginning o. eah )tting st(o4e-


31/32

MACHINING IRREGULAR SUR3ACES OR

CAMS

The !o(4 is set on the ta%le an" neessa(& a"/)stments o. the tool

an" the mahine a(e ma"e-'& om%ining (oss5 longit)"inal an"

(ota(& .ee" mo#ements o. the ta%le an& onto)(e" s)(.ae an %emahine" on a !o(4$iee-


32/32

MACHINING AND GROOVES OR

KE26A2S

Inte(nal an" e0te(nal g(oo#es a(e )t #e(& on#enientl& on a slottingmahine-

A slotte( is s$eiall& inten"e" .o( )tting inte(nal g(oo#es !hih a(e "i..i)lt

to $(o")e in othe( mahines-

E0te(nal o( inte(nal gea( teeth an also %e mahine" in a slotte( %& )ttinge7)all& s$ae" g(oo#es on the $e(i$he(& o. the !o(4 -

The in"e0ing o( "i#i"ing the $e(i$he(& o. the !o(4 is "one %& theg(a")ations on the (ota(& ta%le-

20638184 Slotting Machine

Documents

Transcript of 20638184 Slotting Machine