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Transcript of Productivity and QM
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Productivity and Quality
Management
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Ch apter 1Productivity C oncepts and
Management
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BASI C S
R esources employed for ac h ievingproductivity are 5 M¶s
MaterialsMac h inesMen
Met h odsMoney
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Productivity
Defined as a ratio between output andinput.
Input factors are men, materials, tools,knowledge level, mac h inery and met h ods,processes, systems, management , ot h er resources.
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Productivity Improvement
Input Output60 minutes 5 c h airs
30minutes 5 c h airs60 minutes 6 c h airs30 minutes 6 c h airs
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Improvement in Employee Productivity
Personnel selection.Time control
Organization structuringHuman resource developmentMotivation
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Employee MotivationMaslow¶s Need Hierarc h y Th eory
P h ysiological needs
S ecurity needs
S ocial needs
S elf esteem
S elf
actualization
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Types of productivity
Partial Productivity :
Output quantity / One class of input
Total Productivity :
Output quantity / input quantity
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C alculation of Productivity
PPM : Partial Productivity Measure
It is t h e ratio of real gross output to onetype of real input.
PPM = Gross R eal OutputTotal h rs worked
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TPM : Total Productivity MeasureIt is t h e ratio of R eal Gross Output to all
th e real inputs
TPM = R eal Gross Output
R eal Gross Input
C alculation of Productivity
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TFP : Total Factor ProductivityIt is t h e ratio of t h e Net Output to t h e sum of Labour and capital inputs
TFP = Net OutputLabour + C apital
Net output = Gross output ± materials ±intermediate goods and services used in t h eproduction of raw materials
C alculation of Productivity
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Ch apter 2Quality Fundamentals
Quality means quality of t h e deliveredproduct, work content, quality of service ,quality of systems, quality of processes,quality of people, in s h ort t h e quality of t h eentire organization
Quality can be defined as a ratio of performance (P) and expectation (E)of t h e customer.
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S tatistical Quality C ontrol ± S QC
U se of statistical met h ods suc h ascontrol c h arts and samplinginspection****.Problems wit h S QC
1. Difficult to follow by experienced workers2. S tandards were to be set w h ich was a
difficulty due to innumerable factors.3. Was over emp h asized .4. Top management was h ardly involved
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S mall µq¶ and B ig µQ¶
S mall µq¶ focuses primarily on t h e productquality .
B ig µQ¶ focuses on several issues of process quality , product, systems,delivery, documentation and every singleaspect of commitment to t h e customer.
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Quality Loop
For t h e big µQ¶ to h appen, an organizationidentifies customer needs and preferencesand t h en design , develop, manufactureand sell t h e products fulfilling customer requirements.
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QC is a small group of employees, mostlyat worker level formed to perform qualitycontrol and improvement activities wit h inth eir workplace.
C onviction t h at workers at t h e s h op floor level can significantly contribute tomanagement levels to improveproductivity.
Quality circles - Is h ikawa
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Helps in developing1. Mutual trust among workers
2. Improve t h e operations3. Employee involvement and motivation4. Infinite possibilities
Quality circles - Is h ikawa
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S teps performed by Q C
Decide on t h emeEstablis h th e goalsC larify reasons A ssess t h e currentsituationProbe causes and
analyze t h em
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Quality C ontrol
Includes1. Drawing Quality Plans.
2. Test Procedures.3. Test S ch edules.4. Inspection of materials.
5. Non conformities.6. C ustomer complaints
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Quality A ssuranceA ssuring t h e quality in t h e product and serviceso t h at t h e customer can buy it wit h confidence.Quality A ssurance can be done t h roug h th efollowing :
1. Development of quality plans.2. Vendor quality surveys.
3. Product quality audits.4. R eview disposition of Non conforming
products.5. Initiation of customers future needs.
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Ch apter 3Quality Management P h ilosop h ies
Definition : Quality is meeting productspecifications.
Quality is performance as per customer expectationsQuality is doing t h e rig h t th ing rig h t firsttime.
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TQM : A rmand V Feigenbaum
Originator of Total Quality ManagementTalks about 9 M¶s of quality
1. Money
2. Men3. Met h ods4. Mac h ines5. Materials6. Markets7. Management8. Motivation9. Meeting product requirements
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Deming¶s 14 points for managementquality transformation
C reate constancy of purpose for improvement in product and service. A
dopt new ph
ilosoph
iesC ease dependence on inspection toac h ieve quality.
End practice of awarding th
e businesspurely on price tagImprove constantly and for every process
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Institute training on t h e job. A dopt and institutionalize leaders h ip.
Drive out fear B reakdown barriers between staff areas.Eliminate slogans, ex h ortations and
targets for t h e workforce.
Deming¶s 14 points for managementquality transformation
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Eliminate numerical quotas for t h e workforceand numerical goals for t h e mgmt.
R emove barriers t h at rob people of pride andworkmans h ips ( annual rating or merit system)Institute programme of education and self-improvement for everyone.
Put everyone in t h e company to work toaccomplis h th e transformation.
Deming¶s 14 points for managementquality transformation
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Deming¶s 7 Deadly Diseases
1. Lack of constancy of purpose2. Emp h asis on s h ort term profits
3. Over emph
asis on performanceappraisal and merit rating4. Excessive staff mobility5. Overdependence on figures6. Excessive medical costs7. Excessive legal costs
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P C D A C ycle
Plan Ch eck
Do A ct
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C rosby¶s A bsolutes of qualitymanagement
Quality is defined as conformance torequirements.
Th
e system for causing quality isprevention.Th e performance standard is zero defects.
Th
e measurement of quality is price of nonconformance.
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C rosby¶s 14 steps for organizationalimprovement.
1. Management commitment2. Quality improvement teams
3. Measurement4. C ost of quality5. A wareness
6. C orrective action7. Zero defect planning
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8. Employee education9. Zero defects day
10. Goal setting11. Error cause removal12. R ecognition
13. Quality councils14. Do it all again
C rosby¶s 14 steps for organizationalimprovement.
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C rosby¶s 6 C ¶s
C ompre h ension : ability to understandquality related activities.C ommitment : by one and allC ompetence : of employeesC orrections : rectification abilities.C ommunication : wit h out ambiguity,h onesty and wit h no confusion.C ontinuance: of good performance andfurth er improvement.
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J uran¶s p h ilosop h y
Embracing quality planning, qualitycontrol and quality improvement.
It covers1. QC is analogous to financial control.2. Quality planning is analogous to financial
planning and budgeting3. Quality improvement is analogous to cost
reduction.
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J uran¶s µProject by Project approac h ¶
Pat h breaking ideas were :1. S urvival and growt h are dependent on
³breakth
rough´
to new levels of performance.2. B reakt h roug h is defined as an organized
creation of a beneficial c h ange.3. C ustomer needs are translated into
process and product features.
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C ost of poor quality needs constantattention.Ch
ronic waste must be identified andeliminated.Over 80% of quality related problemsemanate from managers, and not workers.
J uran¶s µProject by Project approac h ¶
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Ch apter 4Quality and costs
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C ost of Poor Quality
Doing t h ings wrong or doing t h em againand again can cost around 20% or moreth an t h e sales turnover.Price of conformance ±cost to make t h ingscome out rig h t .3- 4 % of t h e salesPrice of non conformance ± cost to correctwrong t h ings done,20% or more of t h esales.
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Group of C OPQPrice of non conformance
Expenses involved w h en t h ings are donewrong.
To correct th
e proceduresTo correct t h e product or t h e services20% or more of t h e sales in mfg
companies.35% or more of t h e operating costs inservice companies
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Groups of C OPQ
Price of C onformanceMoney spend to make t h ings come outrigh t.
Professional quality functionsPrevention efforts3 to 4%
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Price of conformance
1. Prevention costs ± to prevent t h e defects. Egs: Market researc h , audits, qualitytraining, quality planning and control etc
2. A ppraisal costs ± t h e costs incurred indetection of defects . Egs : testing,inspections and measurements,incoming raw material testing, qualityaudits.
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Price of non conformance
Internal failures1. S crap, excluding planned waste2. R ework and repair 3. R etesting4. B reakdown maintenance
External failures
1. R ejected and returned products2. Loss of customers goodwill3. Transit damages
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C ause wise distribution of C OPQ
C ause %of total C OPQDesign faults 36
B ad specifications 16Poor planning 14Human error 12
B ad inspection 10Ot h ers 12
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Distribution of poor quality costs
Prevention: 5% of total quality costs A ppraisal: 30%
Failure: 65%
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C omponents of C OPQ
Visible poor quality costsHidden poor quality costs
S crap
R ework
Warranty costs
Excessive use of material
High inventory
Low plant utilizationC ost of redesign and reinspectionC ost of resolving customer problemsInterest c h arged due to delayed payments
Opportunity cost due to lost customers
Visible
h idden
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C ost of Poor Quality ( A P IE)
C OPQ
Price of conformance
Price of non conformance
A ppraisal costsPreventive costs
Internal failuresExternal failures
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Effect of quality system on t h e costs
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Ch apter 5FO CU S ON THE
WO RK FO R C E
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Productivity Incentives
Wage structure
C ompensationsystem
Incentive pay
(individual, group,plant wise)
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J ob A nalysis
S ystematic exploration of t h e activitieswith in a job.
Description of w h at practically h appens inth e job and identifying t h e appropriatetasks, knowledge, skills necessary for performing t h e job and t h e conditionsunder w h ich th e job is performed.
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Focus on t h e workforce includes
Human R esource PlanningR ecruitingEmployee training and developmentC areer developmentPerformance appraisalC ompensationemployee relationsS afety and h ealt h
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J ob R otation
Moving employees to various positions inth e organisation. A
im is to explore th
eir abilities, skills andknowledge.C an be vertical or h orizontal.
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Work study / Time and Motion S tudy
Tec h niques used in examination of h umanwork in all its contexts, w h ich h elps inassessing all factors affecting t h eefficiency in order to effect improvement.U sed to increase t h e amt produced from agiven quantity of resources wit h out furt h er investment.
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Types of Work S tudy
Met h od study ± examination of existingand proposed ways of doing work as ameans of developing easier and better met h ods and reducing costs.
Work measurement ± tec h niques used toestablis h th e time required by a qualifiedworker to carry out a specific job.
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Met h odstudy
Workmeasurem
entWork study
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Work S tudy S teps
S elect t h e job to be studiedR ecord from direct observationExamine t h e facts recordedDevelop t h e most economic met h odMeasure t h e quantity of work in met h od selectedC alculate t h e std time
Define t h e new met h od and timeInstall t h e new met h odDevelop proper control procedures
Maintain t h e new std practices
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Lateral T h inking
B reaking t h e rulesR isk taking
A ttitude adjustmentsCh ecking assumptionsImagination
IntuitionC reative beliefs
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B locks in lateral t h inking
Negative attitudeFollowing t h e rules
Making assumptionsS tressFear
No creativityOver reliance on logic
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