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What is spinning???.....

• The process fiber to yarn is calledas spinning.

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  Yarn Manufacturing

• Textile manufacturing

It i! "a!e# in t$e c%ner!i%n %f t$ree t'(e! %f fi"er  

int% 'arn) t$en fa"ric) t$en textile!*

T$e!e are t$en fa"ricate# int% cl%t$e!  %r %t$er

artifact!*  C%tt%n remain! t$e m%!t im(%rtant natural fi"er) !%

i! treate# in #e(t$*

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INTRODUCTION

TO Y+RN M+NU,+CTURING

• Yarn manufacturing i! t$e (r%ce!! in -$ic$ fr%m fi"er t% 'arn

manufacturing ta.e! (lace i! calle# 'arn manufacturing*OR

• + (r%ce!! in -$ic$ lint c%tt%n fi"er! are c%nerte# int% 'arn* In

%r#er t% ma.e a !uita"le t$rea# i! calle# 'arn

manufacturing/!(inning*Bac.gr%un#

 Yarn i! c%n!i!t %f !eeral !tran#! %f lint fi"er! t-i!te# t%get$er* T$e

fi"er! are !(un int% l%nger filament! t% ma.e t$e 'arn* L%ng

c%ntinu%u! !tran#! ma' %nl' re0uire a##iti%nal t-i!ting t% ma.et$em int% 'arn!*

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Open-end Spinning

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Blowroom

Blowroom

Blowroom

Carded Yarn

Combed Yarn

Open-end Yarn

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Bl%- r%%m

i! t$e !tarting %f t$e!(inning %(erati%n -$ere

t$e fi"er i! %(ene#)cleane#) mixe# ) "len# an#

micr% #u!t rem%e# a! -ella! (a!!e# t% car#ingmac$ine* 

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+tm%!($eric c%n#iti%n! in "l%- r%%m

• C%tt%n i! a $'gr%!c%(ic material ) $ence it ea!il'

a#%(t! t% t$e atm%!($eric air1c%n#iti%n!* +ir

tem(erature in!i#e t$e "l%-r%%m area !$%ul# "e

m%re t$an 23 #egree centigra#e an# t$e relatie

$umi#it'4R567 !$%ul# "e ar%un# 83 t% 9: 6) "ecau!e

$ig$ m%i!ture in t$e fi"er lea#! t% (%%r cleaning an#

#r'ne!! in t$e fi"er lea#! t% fi"er #amage! -$ic$

ultimatel' re#uce! t$e !(inna"ilit' %f c%tt%n*

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Blowroom

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Ba!ic %(erati%n! in t$e "l%- r%%m

 O(ening

 Cleaning

 Mixing %r "len#ing

 Micr% #u!t rem%al

 Unif%rm fee# t% t$e car#ing mac$ine

Bl%- r%%m in!tallati%n! c%n!i!t! %f a !e0uence%f #ifferent mac$ine! t% carr' %ut t$e a"%e !ai#%(erati%n!*

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Ma;%r %";ectie! %f "l%- r%%m

T% %(en t$e fi"er!)

T% clean t$e fi"er!) an#

T% (r%#uce !$eet %f la( f%r ena"le t$e fee# t% t$e

next (r%ce!!*

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Main functi%n! %f "l%- r%%m

 ,ee#ing)

 Beating/%(ening) Tran!(%rting) an#

 La( f%rmati%n*

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La( f%rmati%n

In t$i! !te() la( i! f%rme# -$ic$ i! in a !$eet %r la'er

f%rm %f #efinite -i#t$ an# unif%rm unit lengt$* +fter

f%rming la( it i! r%lle# in a c'lin#rical !$a(e* La(

!$eet f%rmati%n i! f%rme# in t% t-% -a'!

a7 Scutc$er 4fixe#7 intermittent)

"7 C$ute fee#ing 4c%ntinu%u!!.

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La( f%rmati%n