DECLARATION
T"i% i% to i)orm t"#t b#%ed o my o- itere%t #d to !#i &r#ctic#$ &r#ctic#$ o-$ed!e o-$ed!e o) co%tructi co%tructio o #d -ori! i i Pre%% Pre%% S"o& I "#'e %ee Pre%% S"o& Di'i%io #t BHEL( B"o&#$. T"e re&ort o Pre%% S"o& i% %o$e$y b#%ed o my ob%er'#tio o t"e %"o& 4oor #d t"rou!" tec"ic#$ d#t# #'#i$#b$e o t"e iteret.
D/*'*/ P/
3
ACKNOWLEDGE#ENT
T"e
e5te%i'e
ELECTRICALS
tr#ii!
LI#ITED
&ro!r#m
("HEL!3
#t
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HEAVY #
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o&&ortuity #d # e5ce&tio#$ $e#ri! e5&eriece )or me. I !ot #
o&&ortuity
to
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t"e e%teemed !uid#ce
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#R.LOKESH ASATI SR.Po57)o* E*8)*'' (PR#!3 #. A.K. D/)7'3 E*8)*'' (PR#!. It -#% !re#t &ri'i$e!e )or me to -or uder "im. I #m t"#)u$ )or "i% e5treme$y &#tiet !e%ture( to m#e tr#ii! &ro!r#m )ruit)u$ )or me #d )or rederi! e'ery &o%%ib$e "e$& to c#rry out t"i% re%e#rc" &ro6ect. It i% !re#t &$e#%ure )or me to #co-$ed!e t"e #%%i%t#ce #d cotributio% o) #$$ t"e %t#7 member% o) BHEL )or t"eir &rom&t #d time$y "e$& i t"e o8ci#$ c$e#r#ce% #d '#$u#b$e %u!!e%tio% duri! t"e time o) t"i% tr#ii!.
DHANENDRA PAL P$#ce9 BHEL( B"o&#$
,
S.No
Description
Page No.
1 2
Itroductio He#'y E$ectric#$ P$#t( B"o&#$
3
Pre%% S"o& Di'i%io
1+
,
Product Pro;$e
1+
:
<#ci$itie% A'#i$#b$e
13
="y Se!met#$ L#mi#tio% )or St#tor *ore> ?m#6or #cti'itie% o) &rm i det#i$ed #d 4o- c"#rt o) m#u)#cturi! #cti'itie% o) di7eret ty&e o) $#mi#tio i PRM
19 -27
*ritic#$ @u#$ity A%%ur#ce Reuiremet%
28
M#teri#$% C%ed
28
/
Ty&e% o) Pre%% Too
%$20
1+
Se$ectio o) Pre%% Too
%$20
11
M#6or
12
Producti'ity
30
13
*oc$u%io
33
14
A&&edi5 I
34
15
Bib$io!r#&"y
35
De'e$o&met%
Doe
To
Im&ro'e 29
I*7o57)o*"//7 H'/:; E'7)/ L)<)7' "HEL i% # Idi# %t#te0o-ed ite!r#ted &o-er &$#t eui&met m#u)#cturer #d o&er#te% #% # :
e!ieeri! #d m#u)#cturi! com&#y b#%ed i Ne- De$"i( Idi#. BHEL -#% e%t#b$i%"ed i 1/,( u%"eri! i t"e idi!eou% He#'y E$ectric#$ Eui&met idu%try i Idi#. T"e com&#y "#% bee e#ri! &ro;t% cotiuou%$y %ice 1/102#d &#yi! di'ided% %ice 1/0.
It i% e!#!ed i t"e de%i!( e!ieeri!( m#u)#cture( co%tructio( te%ti!( commi%%ioi! #d %er'ici! o) # -ide r#!e o) &roduct% #d %er'ice% )or t"e core %ector% o) t"e ecoomy( 'iF. Po-er( Tr#%mi%%io( Idu%try( Tr#%&ort#tio( Ree-#b$e Eer!y( Oi$ ? G#% #d De)ece. BHEL i% t"e t" $#r!e%t &o-er eui&met m#u)#cturer i t"e -or$d. I t"e ye#r 2+11( it -#% r#ed it" mo%t io'#ti'e com&#y i t"e -or$d by CS bu%ie%% m#!#Fie
#/)* #/*5=/75)*8 F/))7)'•
He#'y E$ectric#$ P$#t(B"o&#$( M#d"y# Pr#de%"
•
He#'y E$ectric#$ Eui&met P$#t( H#rid-#r( Ctt#r#"#d
•
He#'y Po-er Eui&met P$#t(Hyder#b#d(Ad"r# Pr#de%"
•
•
Tr#%)ormer P$#t( BHEL( "#%i(Ctt#r Pr#de%" Hi!" Pre%%ure Boi$er P$#t #d Se#m$e%% Stee$ Tube P$#t( Tric"y( T#mi$ N#du
•
Boi$er Au5i$i#rie% P$#t( Je$$ore( T#mi$ N#du
•
E$ectroic% Di'i%io #d E$ectro Porce$#i Di'i%io( B#!#$ore(K#r#t##
•
*etr#$i%ed St#m&i! Cit( <#bric#tio ? I%u$#tor P$#t( #!di%"&ur( Ctt#r Pr#de%"
•
*om&oet <#bric#tio P$#t(Rudr#&ur(Cttr#"#d
•
Idu%tri#$ J#$'e% P$#t( Goid-#$(Pu6#b
•
B"#r#t He#'y P$#te% #d Je%%e$% Limited(JiF#!( Ad"r# Pr#de%"
•
BHEL E$ectric#$ M#c"ie% Limited( K#%#r#!od( Ker#$#
Be%ide% t"e%e m#u)#cturi! uit% t"ere #re )our &o-er %ector% PSNR0 Noid#( PS=R0N#!&ur( PSER0Ko$#t# ? PSSR0*"e#i -"ic" udert#e cotr#ct )rom '#riou% cu%tomer% #d #re re%&o%ib$e )or erectio #d commi%%ioi! o) '#riou% BHEL #d bou!"t out eui&met. BHEL "#% t-o re&#ir %"o&%9 HERP He#'y Eui&met Re&#ir P$#t( J#r##%i#d EMRP E$ectric M#c"ie% Re&#ir P$#t Mumb#i.
H'/:; E'7)/ P/*73 "o/-
•
He#'y e$ectric#$ &$#t( B"o&#$( -it" %t#te0o)0t"e0#rt )#ci$itie%( o7er% # -ide r#!e o) &roduct%9 Boi$er %te#m !eer#tor0 E!ieeri!( CSA
uder
co$$#bor#tio
-it"
*ombu%tio
•
G#% !eer#tor
•
Hydro !eer#tor
•
Ste#m turbie 0 uder co$$#bor#tio -it" Sieme%( Germ#y
•
G#% turbie 0 uder co$$#bor#tio -it" GE( CSA
•
Hydro turbie
•
Tr#%&ort#tio eui&met
•
Tr#ctio m#c"ie%
•
A* Motor%
•
Tr#%)ormer
•
S-itc"!e#r
•
•
•
Oi$ ;e$d eui&met O
•
=id mi$$
•
J#$'e%
•
E$ectro%t#tic &reci&it#tor%
•
R ? D &roduct%
/
#%%emb$i! t"em #t t"e &$#t it%e$)( i% i &r#ctice to #%%emb$e t"em #t t"e %ite o$y.
1+
PRESS SHOP DIVISION
P' So D):))o* i% #
Po57 Po>'•
•
M#c"ie% 3++ K= to 1.: M=. c#%e%.
A$%o( m#i0&o$e $#mi#tio% i )e-
•
12
Iteret
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o
•
o
F/))7)' A:/)/'o o
2:+ To *N* B$#i! Lie Pre%% 1 To *N* Se!met#$ Notc"i! Pre%% .
T"ey #re m#u)#ctured by Germ# com&#y S*HCLER. Ad #re b#%ed o t"e coce&t% o) Pro!r#mm#b$e Lo!ic *otro$$er PL*.
1:
T"e ;!ure% %"o- t"e %t#tor $#mi#tio %t#c #d %t#tor %e!met#$ $#mi#tio %t#c -"ic" -ere m#de i 3"r% re%&ecti'e$y by # )u$$y #utom#tic *N* m#c"ie )or t"e IMM di'i%io. T"e &roce%% t"#t t#e% &$#ce i # )u$$y #utom#tic *N* m#c"ie i% #% )o$$o-%
BLANK PI*KCP
STATOR STALKIN G
ID PRESS
KE=A
NOT*HIN G
ROTOR STALKI NG
T"i% &roce%% m#e% $#mi#tio% o) t"ice%% +.: mm e#c" #d it t#e% t"e%e m#c"ie% "r% to com&$ete # core o) t"ice%% ,+ cm -"ic" i% com&o%ed o) t"e%e $#mi#tio% • •
To #d 1 To St#tio *N* Auto Notc" Pre%% To St#tio *N* Auto Notc" Pre%%.
T"e%e #re u%ed to m#e t"e $#mi#tio% Puc"i! m#u#$$y. • •
32 To *N* Se!met#$ Notc"i! 12.: To Notc"i! Pre%%e% , No.
• •
He#'y co'etio#$ B$#i! Pre%%e% 1++ T( :++ T( 3++ T( 2++ T oe e#c"
1
C%ed )or t"e m#ite#ce &ur&o%e% o) t"e *utti! #d m#c"ii! too$% -"ic" #re u%ed to m#e t"e $#mi#tio% co'etio#$$y. Medium #d Li!"t B$#i! Pre%%e% ,+ T to 1:+ T S"e#ri! M#c"ie% *o'etio#$ Notc"i! Pre%%e% To L#r!e Jertic#$ S&id$e Sur)#ce Gridi! M#c"ie • • • •
Sur)#ce Gridi! M#c"ie% J#ri%"i! P$#t
1
T"e &roce%% )or '#ri%"i! o) t"e $#mi#tio% i%
PRE HEAT BONE- 200 7o 400 C
• • •
COOLING
VARNISHING
HEATING400 7o ,00 C
COOLIN G
De0burri! M#c"ie Be$t Burr Grider Pro6ectio -e$di! M#c"ie% S&ot =e$di! M#c"ie%
1/
Ho-e'er #$$ t"e co'etio#$ b$#i! &re%%e% #re -it"out %oud ec$o%ure> Sometime% $e'e$ o) oi%e !eer#ted duri! b$#i! &re%%e% beyod t"e &ermi%%ib$e $imit. But #% &rec#utio#ry me#%ure #$$ o&er#tor% -ori! o $#r!e b$#i! u%e e#rmu7% -"i$e re%t o) em&$oyee% u%e e#r&$u!( %ice Noi%e !eer#tio duri! otc"i! #d ot"er &re%% o&er#tio i% muc" $ocom&#re to t"e b$#i! o&er#tio. 2. JARNISHING9 to icre#%e t"e i%u$#tio t"ice%% '#ri%" co#ti! o t"e "ydro !eer#tor% %t#tor &uc"i! &rior to #%%emb$y reuired .t"i% i% doe o '#ri%"i! &$#t -"ic" i'o$'e% t"e )o$$o-i! &roce%% A.DEBCRRING9 To remo'e t"e burr )rom t"e $#mi#tio%. B. PRE HEATING9 To remo'e t"e oi$( $ubric#t( du%t etc. L#mi#tio #re "e#ted i t"e &re "e#ti! Foe by )orced "ot #ir circu$#tio to t"e tem&. O) 2++ to ,++ c
*.*OOLING9 L#mi#tio #re #ir coo$ed o t"e c"#i co'eyor.
D.JARNISING9 Reuired '#ri%" i% co#ted o $#mi#tio i t"e r#!e o) : to / micro.
E.HEATING9 A)ter '#ri%"i! $#mi#tio% #re #!#i "e#ted by )orced "ot #ir circu$#tio to t"e tem&. O) ,++ to :++ c. <.*OOLING9 L#mi#tio #re #!#i #ir coo$ed o t"e c"#i co'eyor #)ter '#ri%"i!. G.*o$$ectio o) &uc"i!
3. GRINDING9
E'ery &re%% too$% "#'e to !roudre%"#&ed re!u$#r$y to reduce t"e burr $e'e$ #d to %u%t#i t"e $i)e .Sm#$$ too$% #re re %"#r&eed o 2+
%ur)#ce !rider #d $#r!e &re%% too$ #re %"#r&eed o t"e %&id$e HOMA #d LCMSDON !ridi! m#c"ie. A$$ t"e !ridi! m#c"ie u%e coo$#t duri! !ridi!. T"e "#F#rd% i'o$'ed i t"i% &roce%% #re due to "i!" %&eed rot#ti! !ridi! -"ee$% #d #do&ter%( -"ic" m#y come out duri! t"e o&er#tio .t"e i bui$t !u#rd% o t"e !rider% t#e c#re o) t"i% "#F#rd. Ot"er "#F#rd% i'o$'e% #re oi%e #d du%t !eer#tio.to reduce t"e im&#ct o) t"i% u%e e#r&$u! #d )#ce m#% re!u$#r$y. ,.MATERIAL HANDELING9 Eot cr#e% -it" t"e "e$& o) $i)ti! tr#c$e%% do t"e m#6ority o) m#teri#$ "#d$i! ."ere t"e )#i$ure o) $i)ti! t#c$e%( $imit %-itc"e% #d br#e% o) eot cr#e% *# $e#d )#$$o7 "e#'y m#teri#$ )rom # co%ider#b$e "ei!"t -"ic" m#y )#$$ o ot"er com&oet( m#teri#$( me #d #$%o c# $e#d to domio e7ect c"#i o) e'et% HO=EJER S#)e &r#ctice #re )o$$o-ed to #'oid %uc" occurrece. T"ey #re A.C%e o) $i)ti! t#c$e% o) %-$ -e$$ #bo'e t"e $o#d to be $i)ted. B.Periodic i%&ectio o) $i)ti! t#c$e% by %#)ety %te-#rd #% &er =MI1++3. *.Re!u$#r &re'eti'e m#ite#ce #d !#try c"ec0u& o) cr#e%. :. MAINTAINEN*E9 m#ite#ce t#e% c#re o) t"e &eriodic .&re'eti'e #d bre#do- m#ite#ce o) t"e m#c"ie% #d ot"er )#ci$itie%.it u%e% '#riou% !r#de% o) $ubric#ti! oi$% )or di7eret &ur&o%e o m#c"ie% .it i% re%&o%ib$e )or m#ite#ce o) e$ectric#$ #d mec"#ic#$ %y%tem i !ood coditio. .DEBCRRING9PRM "#% t-o o%. o) deburri! m#c"ie .$#mi#tio u& to 1mm t"ice%% #re de burred i t"e %e de burr m#c"ie% by &#%%i! t"e $#mi#tio t"rou!" t-o o&&o%ite rot#ti! be$t burr remo'er ro$$er%. H#F#rd i'o$'ed oe m#c"ie #re A L#mi#tio% m#y t#!$ed duri! de0burri! m#y $e#d to # #ccidet B.
21
2 Le#i! o) -#ter m#y c#u%e e$ectric#$ %"oc 3 S&re#di! o) -e$di! %&#r O&er#tor% u%e t"e S#)ety !o!!$e%( A&ro #d )#ce m#%. Note9 A$$ m#c"ie% #re eui&&ed -it" Emer!ecy %-itc"e%
<$o- c"#rt o) m#u)#cturi! #cti'itie% o) di7eret ty&e o) LAMINATION IN PRM 1.
BLANK STATOR OD PM
*CT K=A NOT*H SLOT =ITH
JENTEND LAMINATION
DRESS ?*LEAN LAMINATION
22
PAINT ENDJENT LAMINATIO
ROTAR LAMINATION
STATOR *ORE
DISPAT*H PRODC*T DIJ ROTAR BLANKS IN *CT O< STATOR
*CT K=A NOT*H SLOT AND PCN*H ID
JENTEND LAMINATIO N *ORE
DRESS ?*LEAN LAMINATI ROTAR *ORE PAINT ENDJENT LAMINATIO
DISPAT*H PRODC*T
23
RA= MATERIAL
BLANK STATOR *OMPLETE PM 2:+ T JARNISH MAIN LAMINATI
JENTEND LAMINATION
DRESS?*LE AN LAMINATION
PAINT END JENT LAMINATIO
STATOR *ORE
DISPAT*H PRODC*T DIJ
2,
POLE LAMINATIONS
RA= MATERIAL SHEET
BLANK *OMPLETE POLE
PCN*H SLOTS PM :++ TON
DESPAT* H TO SITE
RIM LAMINATION
RA= MATERIAL SHEET
BLANKS *OMPLETE POLE
PCN*H SLOTS PM :++ TON
2:
DESPAT*H TO SITE
2.
BLANK OD (JENT HOLES (PILOT HOLE ? KE =A PM 2:+ TON
JENT END LAMINATIONS
DRESS AND *LEAN LAMINATIONS
ARMATCRE *ORE PAINT END JENT LAMINATIONS
PRODC*T DISPAT*H DIJISION 2
MAIN POLE LAMINATIONS
BLANK ?PIER*E PM 12+
JENT SPOT LAMINATIONS
ASSA .END LAMINATIONS( STA*KED MAIN LAMINATIONS TAPPING BAR
DRESS AND *LEAN LAMINATIONS
=ELD BOTH ENDS O< TAPPING BAR
DRESS AND *LEAN POLE *OMPLETE
DRILL AND *SK TAP HOLES IN POLE
DISPAT*H DRESS AND PRODC*T T"e &rec#utio% t"#t mu%t be t#e duri! %&ot -e$di! ic$ude9 *LEAN DIJ SHARP •
*"ec )or &#r#$$e$ %ur)#ce o) t"e %&#cer%.
2
• •
Set m#c"ie )or correct curret %etti! #% &erm#c"ie &#r#meter%. *"ec t"e #%%emb$y t"rou!" dro& te%t )rom 1 meter "ei!"t.
W; S'8<'*7/ L/<)*/7)o* =o S7/7o Co' • • • • • •
OD e5ceed% 3.: m #d m#y re#c" u&0to 1.+ m. *ore i% %&$it ito %e!met%. M#5imum -idt" o) #'#i$#b$e m#!etic %"eet %tee$ i% #bout 1.+ m. Si!$e core mi!"t be "e#'y #d bu$y )or "#d$i!. To )#ci$it#te t"e "#d$i! o) $#mi#tio% i%ide t"e )#ctory. Smoot" tr#%&ort by r#i$ or ro#d.
C)7)/ $5/)7; A5/*' R'5)'<'*7• • •
•
•
•
•
Lo- to$er#ce o ID ? OD dime%io% Jery $o- to$er#ce o &itc" '#ri#tio o) do'et#i$% o OD. J#ri#tio i &o%itio o) Key -#y o %t#tor OD -.r.t. do'et#i$ #d %$ot% to be -it"i $imit J#ri#tio i &o%itio o) Key -#y o rotor ID -.r.t. %$ot% ? Bo$tJet "o$e% to be -it"i $imit Pitc" '#ri#tio bet-ee %$ot% to be -it"i 'ery %m#$$ to$er#ce to #'oid %$ot rou!"e%% -"i$e core bui$di! Burr $e'e$ to be cotro$$ed duri! #$$ o&er#tio% o) OD ? ID b$#i!( Key -#y o %t#tor OD ? Rotor ID( St#tor ? Rotor otc"i!( bo$t'et "o$e otc"i!( trimmi! etc. T"ice%% '#ri#tio #)ter core bui$di! to be -it"i 2mm )or TPTN to : mm EM .
2
•
•
•
Stre!t" o) Pro6ectio -e$di! o) 'et %&#cer% to be %uc" #% to -it"%t#d "#mmer te%t. S&ot -e$di! o) Ed &$#te% #d %&#cer &$#te% to -it"%t#d de%tructi'e te%ti!. *o#ti! t"ice%% o) '#ri%" to be m#it#ied -it"i # 'ery $oto$er#ce $imit.
#/7')/ U'• • • • •
• • •
*o#ted *RNGO *o$d ro$$ed o0!r#i orieted SILI*ON STEEL S"eet. *o#ted M#teri#$ , to .: MI*RONSTABOLITE ,+ JARNISH. *o#ti! M#teri#$ J#ri%" ? T"ier. M#6or Su&&$ier 0 RSP R#ure$#( TKESNASIK( ALLOJERG Germ#y. MATERIAL T"ice%% +.3:mm TO +.:mm St#tor ? Rotor. o o 1 to 2.2:mm Po$e Puc"i!%. o 1. To ,.:mm Rim L#mi#tio%. Cco#ted *RNGO STEEL S"eet. *R*S co$d ro$$ed c#rbo %tee$ S"eet. St#i$e%% %tee$ B#r.
T;' o= P' Too•
•
•
•
S)*8' No7 Too9 Produce %i!$e otc" i # %troe #d u%ed -"e t"e reuired u#titie% #re $e%%. E.!. Notc"i!( Jeti!( Trimmi! etc. Co<o5* Too T-o or more t"# t-o cutti! # %troe( u%ed )or m#%% &roductio.
o&er#tio% #re com&$eted i
CO#"INATIONS TOOL 9 *utti! ? o0cutti! bedi!( )ormi! #re &er)ormed i # %troe.
o&er#tio%
$ie
PROGRESSIVE TOOLS9 It &er)orm% # %erie% o) )ud#met#$ %"eet met#$ o&er#tio% #t t-o or more %t#tio% duri! e#c" %troe.
2/
S''7)o* o= P' Too• • • •
@u#tity o) $#mi#tio%. De%i!Pro;$e o) $#mi#tio%. *utti! Lo#d o) #'#i$#b$e Pre%%e%. M#c"ie De$i'ery time.
#/o D':'o<'*7 Do*' To I<o:' Po57):)7;T'*oo8;•
•
•
•
•
•
•
•
St#tor #d rotor $#mi#tio% #re m#u)#ctured i oe &#%% u%i! %t#te0 o)0t"e0#rt tec"o$o!y o) circu$#r mu$ti0%t#tio otc"i! &re%% to %t#tio *N* otc"i! &re%%. Modi;c#tio o) Ge#r tr#i #%%emb$y o) 12.: To Im&#ct m#e otc"i! &re%% re%u$ted i e#b$i! otc"i! o) 2++ %$ot% i &$#ce o) r#ted 1/2 %$ot%. I%t#$$#tio o) re!u$#rirre!u$#r %i&0otc" %$ot &ro!r#mmi! o Im&#ct Notc"i! Pre%% )or m#i! LEM Rotor &uc"i!. M#u)#cturi! o) 2++ mm di#. LEM r#!e %e!met#$ $#mi#tio )or M% KBL Mudr#. M#u)#cturi! o) %t#tor $#mi#tio% )or 12:+ mm di#. LEM r#!e motor% o t"e 12.: To otc"i! &re%%. M#u)#cturi! o) $#r!e %iFe Rim &uc"i! o) ,.:mm t"ice%% u%i! # )our %t#!e com&oud too$ )or Ko$d#m Hydro0!eer#tor &ro6ect. De'e$o&met o) LASER cutti! tec"o$o!y )or m#u)#cturi! o) $#mi#tio%. O$ie Productio Moitori! %y%tem de'e$o&ed i'o$'i! %tor#!e o) reuired i)orm#tio $ie -or order -i%e cu%tomer #me( com&oet dr#-i! o%.( too$ o%.( m#teri#$( core "ei!"t( di%&#tc" %t#tu%( u%er reuiremet etc. to )#ci$it#te e#%y retrie'#$ o) i)orm#tio.
C;'+T)<' R'57)o*•
De'e$o&met o) com&oud too$% )or %t#tor #d rotor $#mi#tio%.
3+
•
•
•
•
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De'e$o&met o) com&oud too$% )or #rm#ture% o) Tr#ctio Motor% i m#5imum &o%%ib$e '#rietie%. M#u)#cturi! o) G#!0%$ot Too$% to reduce $o#d o 1 To %e!met#$ otc"i! &re%% #d reduce cyc$e time. *#rbide otc"i! too$% de'e$o&ed -it" M% Ke#met#$ to reduce m#c"ie id$e time c#u%ed by too$ re0%"#r&ei!. M#u)#cturi! o) ed $#mi#tio% o) TM,/+ #rm#ture( TM,:+ %t#tor ? rotor etc. t"rou!" LASER cutti!. De'e$o&met o) com&oud too$% o) '#riou% ID( OD combi#tio #$o! -it" bo$t "o$e% to reduce cyc$e time by e$imi#ti! %e&#r#te o&er#tio% )or ID #d )or bo$t "o$e. De'e$o&met o) otc"i! too$% -"ic" #$%o "#'e t"e 'et "o$e &uc" to reduce cyc$e time by e$imi#ti! %e&#r#te o&er#tio o) 'et "o$e i c#%e -"ere'er &o%%ib$e.
Co7 R'57)o*•
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C%e o) o$d Bo$%ter &$#te% )or e- com&oud too$% to reduce co%t o) com&oud &re%% too$%. Idi!eiF#tio o) $i!"t-ei!"t otc"i! die %"oe% )or *N* otc"i! &re%%. E#r$ier t"e%e -ere im&orted )rom OEM %u&&$ier M% Sc"u$er( Germ#y. Im&ort %ub%titutio o) HRNGO -it" 1.+mm t"ic *R %"eet )or m#u)#cturi! o) "ydro0!eer#tor &o$e $#mi#tio%. M#u)#cturi! o) TM,3+3 #rm#ture( M#i Po$e ? *om0&o$e &uc"i! )or TPTN )rom t"e o7 cut% o) IMM #d LEM $#mi#tio%. M#u)#cturi! o) %m#$$ %iFe %t#tor #d rotor $#mi#tio% )or ++mm( 2+mm #d ::+mm di#. IMM )r#me u%i! $#r!e %iFe %"#)t0"o$e i0cut% o) LEM rotor%. S#'i! i m#teri#$ co%t by reduci! -idt" o) t"e *RNGO coi$% u%ed )or %t#tor $#mi#tio o) IMM motor%.
31
F575' A58<'*7/7)o*•
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E%t#b$i%"i! o) LASER cut o) ed $#mi#tio% )or more tr#ctio motor%. Reo'#tio o) 32 To %e!met#$ otc"i! &re%% to m#u)#cture %t#tor %e!met%. De'e$o&met o) more com&oud too$% to e$imi#te mu$ti&$e o&er#tio%. De'e$o&met o) more !#!0%$ot too$% to reduce $o#d o 1 To %e!met#$ &re%% #d #$%o reduce cyc$e time.
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Co*5)o* T"u%( it c# be %ee t"#t t"e m#u)#cturi! o) E$ectric#$ M#c"iery #t BHEL "#% e'o$'ed #d de'e$o&ed r#&id$y i t"e &#%t )e- ye#r% #d i% %et to re#c" it% #&e5 i #d'#cemet -it"i # )e- ye#r% to come( -it" t"e uti$iF#tio o) more #d more %o&"i%tic#ted #d %t#te0o)0t"e0#rt m#c"ierie% )or )u$;$$i! t"e eed% o) moder idu%trie% #d #$%o )or t"e &ro!re%% o) t"e #tio. BHEL bei! # M#"#r#t## com&#y "#% &#ced it%e$) c#utiou%$y to-#rd% #c"ie'i! e- !o#$% -it"i # %"ort %&# o) time.
33
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