production process- rajesh

7/23/2019 Production Process- Rajesh

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Production process


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PRODUCTION PROCESS

PRODUCTION FLOW

Production of paint comprises:

- Weighing off raw materials

- Premixing

- Dispersion/grinding

- Grinding on special grinding equipment

- Final mixing/letdown

- Tinting

- Adustment of !iscosit"- #$% corrections% appro!al% filtering and filling

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Production Process

&efore start mixing please read the manufacturing

instructions clearl" or if the" not a'le to read the"need to chec( with super!isor)

*a(e sure that dissol!ers% tan(s cleaned properl"

'efore mixing)

&efore mixing please confirm which product "our

going to mix and weight and collect the same

material)

*a(e sure that !al!es +tan(, closed 'efore mixing)

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Process Production

Wei#$in# o%% R&' (&teri&)s

must 'e as accurate as possi'le)

De!iations must not exceed .

that is (g per (g% g per (g)

Adding wrong% additi!es or pigments can

!er" drastic on properties of the final

product)

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Pre+i,in#

0t is the stage in which we ha!e to add 'inders%

additi!e% powders% sol!ents on a high speed

dissol!er)

&efore start mixing pls chec( the qualit"% tan(s andweights)

Time and temperature)

-shaft position)

-sequence of adding)

-As a result of this process a mill 'ase is formed

- Dissol!er speed)

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Production Process

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Production Process

Dispersion/.rindin#

-0t is the uniform distri'ution of particles in a sta'le

medium)

-ma(e sure that there is no settling)

0n most cases it is possi'le to get the grind in

dissol!er onl")

&alance row materials need to 'e write in the 'atch

card clearl")

)

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Production Process

During dispersion pls ma(e sure that pigments and

extenders are added according to the particle si1e

P2- )3micron% f2- 3micron% f4 3- 5micron% f5-

6 micron% f67% 4-3 micron% f345- 35 micron)

After adding titanium pls mix -5 min for proper

whiteness)

D889- ummer it acts !er" fast +water;ot, so it is 'etter to use wire mesh during

$harging)


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D""9 SOLUTION

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Production Process

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Production Process

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Production Process

.rindin# on speci&) #rindin# e0uip+ent

D"nomill +hori1ontal or !ertical,

)

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Production Process

&efore start d"nomilling ma(e sure that d"nomill

cleaned properl")

Fineness of grinding can 'e controlled

'" pumping speed +flow rate controlled as per

required grind,

$oolant 'eing used to control

mill 'ase temperature

=se earthing ca'les

What is last color passed

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Fin&) +i,in#/Letdo'n

-This is the stage where the remainingraw materials +'inder% thic(ening agent% driers% etc),

are added)

-0t is not necessar" to add all 'inder in earl" stage+for proper grind,

-follow the 'atch card + see the 'alance material,)

-chec( temperature requirement 'efore letdown +eg-

sil( emulsion 579me,)

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Tintin#

all coloured paints ha!e to 'e tinted% that is the" ha!e to 'e

adusted to the right colour '" use of tinting pastes)

Direct shade should 'e lighter than the standard)

3 t"pes tinting paste water and sol!ent 'ased)

The tinting process is performed either

>'" e"e?? or assisted '" means of a colour

computer)

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Production process

-First sample anal"sis on a colored computer)

-The computer suggests amounts of tinting paste required

-A colour computer is a !er" >sensiti!e> electronic de!ice

so weight must 'e accurate/

After addition of the paste% a new sample is anal"1ed% and

an" further possi'le corrections are made)

@egardless of whether tinting is done '" e"e or with

computer% one should alwa"s 'e careful

to avoid "over-tinting"

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P d i P


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Production Process

Adustment of iscosit"

This is done '" adding the 'alance sol!ent left in the

'atch card)

- Add required quantit" onl" as per #$2

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P d ti


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Production process

3C4 Corrections4 ppro6&)4 Fi)terin# &nd Fi))in#

As soon as the paint is finished% a sample is sent to the

control la'orator")

The #$ la'orator" decides on an" possi'le corrections

to 'e made 'efore the product is appro!ed

)

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P d ti


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Production process

Fi))in#

-$hec( for the appro!al from #c

-$hec( the filling instruction in 'atch card

--$hec( for the a!aila'ilit" of required no) of

appropriate la'elled cans

--Bnsure that there is no mix-up of cans from the

other 'atch

- $hec( weight% proper tan(% filling machine%thinner

etc) For 'ases filling !olume is - 96. and 4

and 5 94. '" !olume)

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Wei#$t To)er&nce

Durin# %i))in# so+e st&nd&rd 'ei#$t to)er&nce needs to

+&int&in %or &)) product

Fi))in# inter6&) To)er&nce /

Less t$&n 5 # 5 #

Fro+ 5 # to 1 8# 1 #Fro+ 1 8# to ! 8# #

Fro+ ! 8# to 5 8# 5 #

Fro+ 5 8# to - 8# "5 #

Fro+ - 8# to 1 8# 75 #

Fro+ 1 8# to 15 8# 1 #Fro+ 15 8# to ! 8# 15 #

Fro+ ! 8# to * 8# #

Fro+ * 8# to 5 8# 1 8#

O6er 5 8# Spec : )&


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Dispersing and grinding BquipmentCs

Disso)6ers

Is & 6er: $i#$ speed +i,er 'it$ $e&6: 6ertic&) s$&%t

'$ic$ c&n e +o6e up'&rd &nd do'n'&rd directiondurin# oper&tion2

T$ere is one p)&te &t t$e end o% s$&%t 'it$ ent teet$

'$ic$ is &)so c&))ed i+pe))er

It is &6&i)&)e in di%%erent si;es $&6in# +otor 5


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In )&r#e &tc$ 'e $&6e * disso)6ers

D- to D-8 ha!ing mixing capacit" of 37 ltr

D-5 ha!ing mixing capacit" of 4 ltr and

D-2 ha!ing mixing capacit" of 8 ltr

In s+&)) &tc$ 'e $&6e 5 disso)6ers

D-6 to D- ha!ing different mixing capacit" from

3-9 ltr

D i)) / P ) (i))


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D:no+i)) / Pe&r) (i))

= o% its c:)inder %i))ed 'it$ #)&ss or

cer&+ic ?;irconiu+@ e&ds '$ic$ resu)t into

etter sur%&ce cont&ct &nd %&ster dispersion2


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Fineness o% #rindin# c&n e contro))ed

: pu+pin# speed

Coo)in# so)6ent ?s!1@ ein# used to contro)

+i))&se te+per&ture

We $&6e D( in SA &nd 5 in LA out o%

t$is one 8ept %or '$ite to &6oid &n: s$&de

cont&+in&tion


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(IBIN. E3UIP(ENTS

(T1 to (T15 $&6in# +i,in# c&p&cit: o% 1 )tr

(T1* to (T!" $&6in# +i,in# c&p&cit: o% * )tr

(T54-4941-419 used %or '$ite &nd &ses '$i)e (T17 is ein# used %or ))u+iniu+ &se product

To &6oid &n: sett))in# in p&int so+e o% +i,ers $&s

een pro6ided &uto stop st&rt de6ice


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WIN WORT< (C


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Fi)terin#

Fi)terin# is re0uired e%ore %i))in# to&6oid &n: %orei#n p&rtic)es or &n:

dried p&int s8in to #o &)on# 'it$ %in&)

0u&)it: product

Di%%erent %i)terin# +edi& ein# used

e%ore %i))in# p&ints &re

Fi)ter A

Fi)ter A 'it$ Pressure C:)inder

Fi)ter A


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Fi)ter A

Fi)ter s &re +&de o% N:)one4

Po):ester or Fe)t

Di%%erent si;e o% %i)ter s $&6in# +es$

si;e 5" ein# used

Fi)ter As In PressureFi)terC:)inder

In &uto+&tic or se+i&uto+&tic %i))in#+&c$ine %i)ter is used in pressure

c:)inder '$ic$ cont&ins +et&) str&iner

inside

Fi))in#


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Fi))in#

Fi))in# $&s een done : +&nu&)):4 se+i

&uto+&tic2

'e $&6e 7 %i))in# +&c$ine in )&r#e

&tc$ &nd 5 in %i))in# s+&)) &tc$

(&nu&) Fi))in#

Port&)e %i))in# is done

: +&nu&)):


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W$&t is 5 S ? orting 0t means "ou short out the things that "ou need and rest of

unnecessar" things discard from "our wor( place

3? et 0n


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"S St&nd&rdi;in#

It +e&ns +&8e :our pr&ctice st&nd&rd &nd in%or+ ot$ers to do ins&+e '&:2 Let t$e peop)e &'&re &nd 8no'n t$eir responsii)it:

5S Sust&inin# It is not$in# ut %ocusin# on pre6ious "s &nd +&int&in

discip)ine to %o))o' "s &nd su##est ne' i+pro6in# i% it is

re0uired

PPEs to e usedG


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PPE s to e usedG

Goggles Dust *as( ol!ent!apourmas(

Filters

;and glo!es

afet" hoes;elmets

Filters

Bar Plugs Waist &elts

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T;AE

production process- rajesh

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