quality definition quality is the characteristics of a product or service that bear on its ability...
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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
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