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MANUFACTURING

TECHNOLOGY ME206

QUALITY 

LECTURE #126 August, 2015

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FACILITATOR

Pr Eng. N. N. Masiyiwa - Chamisa

• MSc in Mechanical Engineering 

•

MSc in Manufacturing Systems andOperations Management 

• Masters in Business Administration

MBA! • "esearch Methods 

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LECTURE SCHEDULE

• Mo!"s  $"% & 11"%

• '(!(s!"s )"% & 10"%

• T*u+s!"s )"% & $"%

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OFFICE CONSULTATIONHOURS

CCEE OFFICE

Mo!" 2- .%

'(!(s!" 2-.%

F+/!" 11"%1.%

T*(s( %" "+ so%(t/%(s & s((

% "ss/st"t +(/ous T(g3" CCEE O4(

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COURSE ASSESSMENT

• Ass/g%(t25

• E"% 75

•

One test• One Group Assignment

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THOU SHALL NOT

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TOICS TO 8E CO9ERED

1: Qu";/t

2: C"st/g M"u

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RECOMMENDEDTET8OOS

• A T(tBoo o< M"u

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L("+/g OB?(t/(s

• Understand the quality concept

• Explain the meaning of Tot"; Qu";/t

M""g(%(t @TQM

• Identify features of the TQM philosophy

• Descrie the four dimensions of Quality

• Identify the costs of Quality• Identify tools used for sol!ing Quality

prolems

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DEFINING QUALITY 

T*( tot";/t o<

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DEFINING QUALITY & 5'AYS

1: Co

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DEFINING QUALITY & 5'AYS

>: Su..o+t s(+/(s

Quality of support after sale

5: s*o;og/";Amiance& prestige& friendly sta' 

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M"u

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Et*/s "! Qu";/t

M""g(%(t O.(+"t/os %""g(+s %ust

!(;/(+ *(";t*, s"

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Et*/s "! Qu";/t

M""g(%(t O.(+"t/os %""g(+s %ust

!(;/(+ *(";t*, s"

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Et*/s "! Qu";/t

M""g(%(t O.(+"t/os %""g(+s %ust

!(;/(+ *(";t*, s"

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IMLICATIONS OFQUALITY 1: Co%." +(.ut"t/o

(+(.t/o o< (3 .+o!uts

E%.;o%(t .+"t/(s

Su..;/(+ +(;"t/os

2: +o!ut ;/"B/;/t

R(!u( +/s 

-: G;oB"; /%.;/"t/os

I%.+o(! "B/;/t to o%.(t(

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 T+o ,ays Quality

Impro!es -ro#taility

I%.+o(!Qu";/t

I+("s(!+ots

I+("s(! .+o!ut//t

Lo3(+ +(3o+ "! s+". osts

Lo3(+ 3"++"t osts

R(!u(! Costs /"

I%.+o(! +(s.os(

F;(/B;( .+//g

I%.+o(! +(.ut"t/o

S";(s G"/s /"

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EY DIMENSIONS OFQUALITY 

EY DIMENSIONS OFQUALITY 

-erformance

.eatures

/eliaility

(onformance

Duraility

0er!iceaility

Aesthetics

-ercei!ed

quality 1alue

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INTERNATIONAL QUALITY

STANDARDS

ISO $000 s(+/(s @Eu+o.(KEC

Co%%o u";/t st"!"+!s000 s(+/(s @Eu+o.(KEC

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Fou+ D/%(s/os o<Qu";/t

• Qu";/t o< !(s/g – Determining +hich features to include in the

#nal design

•

Qu";/t o< o

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Cost o< Qu";/t

+((t/o osts  +(!u/g t*(.ot(t/";

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Cost o< Qu";/t

• Quality a'ects all aspects of theorgani2ation

• Quality has dramatic costimplications of3 – Qu";/t ot+o; osts

• +((t/o osts

• A..+"/s"; osts – Qu";/t

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Et(+"; F"/;u+(

It(+"; F"/;u+(

+((t/o

(osts of Quality

A..+"/s";

Tot";Cost

Qu";/t I%.+o(%(t

Tot"; Cost

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Cost o< Qu";/t & >C"t(go+/(s

• E"+; !(t(t/oK.+((t/o /s ;(ssost;

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'"s o< I%.+o/gQu";/t

• ;"DoStu!At C;( @DSA – Also called the D(%/g '*((; after originator

 – (ircular& ne!er ending prolem sol!ing process

•Qu";/t Fut/o D(.;o%(t – Used to translate customer preferences to

design

• S(( Too;s o< Qu";/t Cot+o; – Tools typically taught to prolem sol!ing teams

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DSA D(t"/;s

• ;" – E!aluate current process

 – (ollect procedures& data& identify prolems

 – De!elop an impro!ement plan& performance

o4ecti!es• Do

 – Implement the plan 5 trial asis

• Stu! –

(ollect data and e!aluate against o4ecti!es• At

 – (ommunicate the results from trial

 – If successful& implement ne+ process

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DSA

• C;( /s +(.("t(! – After act phase& start planning and repeat

process

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QFD D(t"/;s

• +o(ss us(! to (su+( t*"t t*(.+o!ut %((ts usto%(+s.(/"t/os

1oice of theengineer

1oiceof the

customer

(ustomer)asedenchmar*s

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QFD Hous( o< Qu";/t

• A!!/g t+"!(os, t"+g(ts !((;o./g .+o!ut s.(/"t/os

 Trade)o's

 Targets

 Technical6enchmar*s

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'*"t /s Tot"; Qu";/t%""g(%(t @TQM

• M((t/g u";/t (.(t"t/os "s !((!B t*( usto%(+

• t*( /t(g+"t/o o< ";;

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E!olution of TQM 5 7e+.ocus

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TQM */;oso.* & '*"t /sD/(+(t

• Fous o Custo%(+ – Identify and meet customer needs

 – 0tay tuned to changing needs& e%g% fashion styles

•

Cot/uous I%.+o(%(t – (ontinuous learning and prolem sol!ing& e%g%

8ai2en& 9 sigma

• Qu";/t "t t*( Sou+( – Inspection !s% pre!ention : prolem sol!ing

• E%.;o(( E%.o3(+%(t – Empo+er all employees3 external and internal

customers

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TQM */;oso.* & '*"t /sD/(+(t

• U!(+st"!/g Qu";/t Too;s – Ongoing training on analysis& assessment& and

correction& : implementation tools

•

T("% A..+o"* – Teams formed around processes 5 ; to

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S(( Too;s o< TQM@S(( +oB;(% So;/g Too;s

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1: C"us("!E(t D/"g+"%

A too; t*"t /!(t/(s .+o(ss(;(%(ts @"us(s t*"t %/g*t((t " outo%(

C"us(

M"t(+/";s M(t*o!s

M".o3(+ M"*/(+

E(t

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2: F;o3*"+ts

• Used to document the detailed steps ina process

•

Often the #rst step in -rocess /e)Engineering

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-: C*(;/st

• S/%.;( !"t" *(o s*((t !(s/g(! to/!(t/

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>: Cot+o; C*"+ts

• Important tool used in St"t/st/";+o(ss Cot+o; @SC 5 @Read on SPC

•  The U(H and H(H are calculated limitsused to sho+ +hen process is in or out ofcontrol

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5: S"tt(+ D/"g+"%s

• A g+".* t*"t s*o3s *o3 t3o"+/"B;(s "+( +(;"t(! to o( "ot*(+

• D"t" " B( us(! / " +(g+(ss/o

"";s/s to (st"B;/s* (u"t/o

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6: "+(to A";s/s

• T(*/u( t*"t !/s.;"s t*( !(g+(( o< /%.o+t"(

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7: H/stog+"%

A !/st+/But/o s*o3/g t*(

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St"t/st/"; +o(ss

Cot+o; @SC• Us(s st"t/st/s "! ot+o;

*"+ts to t(;; 3*( to t"(

o++(t/( "t/o• D+/(s .+o(ss /%.+o(%(t

• Fou+ ( st(.s

M("su+( t*( .+o(ss

'*( " *"g( /s /!/"t(!, !t*( "ss/g"B;( "us(

E;/%/"t( o+ /o+.o+"t( t*( "us(

R(st"+t t*( +(/s(! .+o(ss

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'* TQM F"/;s

• Hac* of a genuine quality culture

• Hac* of top management support andcommitment

• O!er) and under)reliance onSC

 methods

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Is.(t/o

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'*( "! '*(+( to Is.(t

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E7D

• Than* you for listening

• Questions$$$

• -repare for Test on Thursdayon this Hecture