QUALITY DEFINITION QUALITY IS THE CHARACTERISTICS

OF A PRODUCT OR SERVICE THAT BEAR ON ITS ABILITY TO SATISFY STATED OR IMPLIED NEEDS.

To carry, support

DIMENSIONS OF QUALITY

PERFORMANCE RELIABILITY DURABILITY SERVICEABILITY AESTHETICS FEATURES CONFORMANCE TO STANDARDS

DEFINITION OF QUALITY CONTROL

QUALITY CONTROL (QC) IS A PROCEDURE OR SET OF PROCEDURES INTENDED TO ENSURE THAT A MANUFACTURED PRODUCT OR PERFORMED SERVICE ADHERES TO A DEFINED SET OF QUALITY CRITERIA OR MEETS THE REQUIREMENTS OF THE CLIENT OR CUSTOMER.

To stick to, to bind

With the aim

COMPANY QUALITY THE COMPANY-WIDE QUALITY APPROACH

PLACES AN EMPHASIS ON THREE ASPECTS:

1. ELEMENTS SUCH AS CONTROLS, PERFORMANCE OF RECORDS.

2. COMPETENCE SUCH AS KNOWLEDGE, SKILLS.

3. SOFT ELEMENTS SUCH AS MOTIVATION AND QUALITY RELATIONSHIPS.

ability, capability, adequacy

TOTAL QUALITY CONTROL TOTAL QUALITY IS THE CONTROL

SYSTEM THAT CAN HELP ENSURE THE SUCCESS OF A COMPANY.

OBJECTIVE OF QUALITY CONTROL

TO ESTABLISH STANDARDS OF QUALITY THOSE ARE ACCEPTABLE BY THE CUSTOMER AND ECONOMICAL TO MAINTAIN

set up, found

QUALITY CONTROL GOES INSPECTION BY:

ESTABLISHING STANDARDS FOR THE PRODUCT OR SERVICE,BASED ON THE CUSTOMER NEEDS, REQUIREMENTS.

ENSURING CONFORMANCE TO THESE STANDARDS.

RESPONSIBILITY OF QUALITY CONTROL

Quality is everyones job. It includes the worker,the president of the

company. The responsibility for quality begins when

marketing determines the customer’s quality and continues until the product is received by a satisfied customer.

CUSTOMER

PRODUCT SERVICE

PACKAGING AND STORAGE

INSPECTION AND TEST

MARKETING

DESIGN ENGINEERING

PROCUREMENT

PROCESS DESIGN

PRODUCTION

QUALITY PRODUCT

CONTENT OF QUALITY CONTROL

SPECIFICATIONS OF WHAT IS NEEDED DESIGN OF THE PRODUCT OR

SERVICE TO MEET THE SPECIFICATIONS

INSPECTION TO DETERMINE CONFORMANCE TO SPECIFICATIONS

BENEFITS OF QUALITY CONTROL

IMPROVEMENT IN THE QUALITY LEVEL AND UNIFORMITY OF INCOMING MATERIALS

REDUCTION IN INSPECTION COSTS REDUCTION IN SCRAP AND REWORK IMPROVEMENT IN PRODUCER-

CUSTOMER RELATIONS

BENEFITS OF QUALITY CONTROL

IT INCREASES OUTPUT OF SALEABLE GOODS.

IT DECREASES COSTS OF PRODUCTION.

QUALITY ASSURANCE (QA)

QA is defined as a procedure or set of procedures intended to ensure that a product or service under development (before work is complete, as opposed to afterwards) meets specified requirements.

IT INCLUDES MANAGEMENT OF AUDIT PARTICIPANTS.

Establishment of the group of inspectorsManagement of employees’s activity

To examine in general

QUALITY ASSURANCE (QA)

SUPERVISION OVER THE AUDIT PROCESS:

Availability of skilled and competent audit team

Compliance of work performed with the audit program

capable; skilled in doing what one does;

TOOLS OF QUALITY CONTROL Fishbone Diagrams Histograms Pareto Analysis Flowcharts Scatter Plots Run Charts Control Charts

Constructing a Fishbone Diagram

Ex. : High Inventory Shrinkage at local Drug Store

Shrinkage

shoplifters

Anti-theft tags poorly designedExpensive merchandise out in the open

No security/ surveillance

employeesattitude

new traineetraining

benefits practices

33

65

812

0 0 10

10

20

30

40

50

60

70

1 2 3 4 5 6 7

Slices of Pizza

# tim

es o

rder

ed

HISTOGRAMThese charts are helpful in showing frequencies and variation.

FLOWCHART

Window Take Customer Money?

(start) Order

Get PizzaLockup

Put More in Oven 2 Pies

Available?

Timeto close?

Take to Customer

no

yes

no

yesno

yes

SCATTER DIAGRAMS

0

5

10

15

20

25

0 20 40 60 80

Time Cooking (minutes)

Def

ecti

ve P

izza

s

They are used to show the relationship between the variables.

RUN CHARTS

8 9 10 11 12 1 2 3 4 8 9 10 11 12 1 2 3 4 8 9 10 11 12 1 2 3 4PM- AM PM- AM PM- AMThursday

Week 1Thursday

Week 2

Thursday

Week 3

5 10

15

2 0 2

5 3 0

35

40 4

5 50

55

60 6

5 70

75

8 0 8

5 9 0

95

1 00

Slices/hour

Time

They are useful toidentify the trends.

They are used toplot data based on time.

CONTROL CHARTS

Upper Limit

17 inches

Lower Limit15 Inches

Small Pie

X16 inches=

They are useful in regulating a process.

PARETO CHARTS

The purpose of the Pareto chart is to highlight the most important factor among a set of factors.

In quality control, it often represents the most common sources of defects, the highest occurring type of defect, or the most frequent reasons for customer complaints, and so on.

FAILURE TESTING A VALUABLE PROCESS TO PERFORM ON

A WHOLE CONSUMER PRODUCT IS A FAILURE TESTING.

THE OPERATION OF A PRODUCT UNTIL IT FAILS, OFTEN UNDER STRESSES. THIS EXPOSES MANY WEAKNESS IN A

PRODUCT. OFTEN SIMPLE CHANGES CAN IMPROVE PRODUCT SERVICE.

To make visible

STATISTICAL CONTROL STATISTICAL PROCESS CONTROL IN

MANUFACTURING USUALLY PROCEED TESTING FRACTION OF THE OUTPUT.

VARIANCES OF CRITICAL TOLERANCES ARE MANUFACTURING PROCESSES ARE CORRECTED BEFORE BAD PARTS CAN BE PRODUCED.

THANKS FOR Your Attention

…

Today’s Essay Topic

No essay this week !!!! Instead we will practice some words

• EfficiencyEtkinlik, verimlilik

• Execute (v) Uygulamak

• Feedback (n) Geri bildirim

• Supply chain (n)Tedarik Zinciri

• Superior (n)Amir, üst

• Component (n)Bileşen, alt parça

• Manufacture (v)İmal etmek

• RatioOran

• AverageOrtalama

• ForecastingTahmin etme

• Schedule (v)Çizelgelemek

• Demand (n)Talep

• OvertimeFazla mesai

• LaborEmek

• Schedule (n)Çizelge

• ThroughputÇıktı, işlem hacmi

• EquipmentEkipman

• InventoryStok, envanter

• InvestmentYatırım

• Evaluate (v) Değerlendirmek

• Purchase (v) Satın almak

• Material Malzeme

• Minimize (v)En aza indirmek, küçültmek,

azaltmak, minimize etmek

• PermanentKalıcı

• PartialKısmi, kısma ait

• Constraint (n)Kısıt

• ConsensusOy birliği

• Communicate (v) İletişim kurmak

• Maintenance (n)Bakım

• Distribution Dağıtım

• AutomationOtomasyon

• Inspect (v) İncelemek, denetlemek

GOOD LUCK IN THE EXAM