Chapter 1, Heizer/Render, 5th edition
Download
Report
Transcript Chapter 1, Heizer/Render, 5th edition
Operations
Management
Operations and Productivity
Chapter 1
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-1
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Outline
Global company profile: Whirlpool
What is Operations Management?
The heritage of Operations Management
Why study OM?
What Operations Managers do
Organizing to produce goods and services
Where are the OM jobs?
Exciting new trends in Operations Management
Operations in the service sector
The Productivity challenge
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-2
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Learning Objectives
When you complete this chapter, you should be able to:
Identify or Define:
Production and productivity
Operations Management (OM)
What operations managers do
Services
Describe or Explain:
A brief history of operations management
The future of the discipline
Measuring productivity
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-3
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Whirlpool Case Example
Change in attitude - employees “live quality”
Training - “use your heads as well as your
hands”
Flexible work rules
Gain-sharing
Global procurement
Role of information/information technology
Adoption of a Worldwide strategy
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-4
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
What Is Operations Management?
Production is the creation of goods and services; it involves the
responsibility of ensuring that business operations are efficient and
effective
Operations management is the set of activities
or business functions that creates goods and
services by transforming raw materials and
human inputs into outputs of higher value.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-5
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Origins
The origins of Operations Management can be traced back to the
Industrial Revolution, the same as Scientific Management and
Operations Research. Adam Smith treats the topic of the division of
labor when opening his 1776 masterpiece: An Inquiry into the Nature
and Causes of the Wealth of Nations also commonly known as The
Wealth of Nations. The first documented effort to solve operation
management issues comes from Eli Whitney back in 1798, leading to
the birth of the American System of Manufacturers (ASM) by the mid1800s. It was not until the late 1950's that the scholars noted the
importance of viewing production operations as systems.
Historically, the body of knowledge stemming from industrial
engineering formed the basis of the first MBA programs, and is
central to operations management as used across diverse business
sectors, industry, consulting and non-profit organizations.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-6
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Significant Events in OM
Division of labor (Smith, 1776)
Standardized parts (Whitney, 1800)
Scientific management (Taylor, 1881)
Coordinated assembly line (Ford 1913)
Gantt charts (Gantt, 1916)
Motion study (the Gilbreths, 1922)
Quality control (Shewhart, 1924)
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-7
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Significant Events in OM
Division of labor (Smith, 1776)
Division of labour is the specialisation of cooperative labour
in specific,circumscribed tasks and roles, intended to increase
efficiency of output
Standardized parts (Whitney, 1800)
Eli Whitney saw the potential benefit of developing
"interchangeable parts", he built ten guns, all containing the
same exact parts and mechanisms.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-8
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Significant Events in OM-Continued
Scientific management (Taylor, 1881)
Scientific management, also called Taylorism, is a theory of
management that analyzes and synthesizes processes,
improving labor productivity. Taylor believed that decisions
based upon tradition and rules of thumb should be replaced by
precise procedures developed after careful study of an individual
at work.
Coordinated assembly line (Ford 1913)
At first several groups of two or three men worked on each car
from components made to order by other companies; Henry
changed this way to work: each group made a part of the car the
all time.
Gantt charts (Gantt, 1916)
Is a common technique for representing the phases and activities
of a project.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-9
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Significant Events in OM-Continued
Motion study (the Gilbreths, 1922)
Quality control (Shewhart, 1924)
quality control and quality engineering are involved in developing
systems to ensure products or services are designed and
produced to meet or exceed customer requirements. These
systems are often developed in conjunction with other business
and engineering disciplines using a cross-functional approach.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-10
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Significant Events - Continued
CPM/PERT (Dupont, 1957)
MRP (Orlicky, 1960)
CAD
Flexible manufacturing systems (FMS)
Manufacturing automation protocol (MAP)
Computer integrated manufacturing (CIM)
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-11
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Why Study OM?
OM is one of three major functions
(marketing, finance, and operations) of any
organization
We want (and need) to know how goods and
services are produced
We want to know what operations managers
do
OM is such a costly part of an organization
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-12
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
What Operations Managers Do
Control by creating and maintaining a positive flow of work by
utilizing what resources and facilities are available
Lead by developing and cascading the organizations
strategy/mission statement to all staff
Organize resources such as facilities and employees so as to
ensure effective production of goods and services
Plan by prioritizing customer, employee and organizational
requirements
Maintaining and monitoring staffing, levels,Knowledge-SkillAttitude (KSA), expectations and motivation to fulfill organizational
requirements
Performance Measures for the measurement of performance and
consideration of efficiency versus effectiveness
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-13
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Ten Critical Decisions
Service, product design - What product or service
should we offer? How should we design these products
and services?
Quality management- Who is responsible for quality? How do we define quality?
Process, capacity design- What processes will these
products require and in what order? What equipment
and technology is necessary for these processes?
Location- Where should we put the facility? On what
criteria should we base this location decision?
Layout design- How should we arrange the facility? How large a facility is required?
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-14
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Ten Critical Decisions-Continued
Human resources and job design - How do we provide a
reasonable work environment? How much can we expect our
employees to produce?
Supply chain management - Should we make or buy this item?
Who are our good suppliers and how many should we have?
Inventory, material requirements planning, JIT “just-in-time”
inventory - How much inventory of each item should we have?
When do we re-order?
Intermediate, short term, and project scheduling - Is
subcontracting production a good idea? Are we better off keeping
people on the payroll during slowdowns?
Maintenance - Who is responsible for maintenance?
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-15
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Organizational Functions
Marketing
Gets customers
Marketing is a societal process that is needed to
discern consumers' wants; focusing on a
product/service to those wants, and to mold the
consumers toward the products/services. Marketing
tends to be seen as a creative industry, which
includes advertising, distribution and selling. It is
also concerned with anticipating the customers'
future needs and wants, often through market
research.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-16
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Organizational Functions- Continued
Operations
Creates product or service
Operations encompasses three fundamental
management imperatives
1. Generate recurring income.
2. Increase the value of the business.
3. Secure the income and value of the
business.
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-17
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Organizational Functions- Continued
Finance/Accounting
Obtains funds
Tracks money
Finance studies and addresses the ways in which individuals,
businesses, and organizations raise, allocate, and use
monetary resources over time, taking into account the risks
entailed in their projects. The term "finance" may thus
incorporate any of the following:
The study of money and other assets;
The management and control of those assets;
Profiling and managing project risks;
The science of managing money;
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-18
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Where Are the OM Jobs?
Technology/methods
Facilities/space utilization
Strategic issues
Response time
People/team development
Customer service
Quality
Cost reduction
Inventory reduction
Productivity improvement
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-19
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
New Challenges in OM
From
Local or national focus
Batch shipments
Low bid purchasing
To
Global focus
Just-in-time
Supply chain
partnering
Lengthy product
development
Rapid product
development,
alliances
Standard products
Job specialization
Mass customization
Empowered
employees, teams
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-20
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Future Challenges
Marketplace Challenges
Market fragmentation:
Vocal customers:
The customer is your partner
It’s a Wired World:
Factors of Production Challenges
Employee diversity:
Human resource scarcity:
The global workforce:
Declining raw material prices
Technological Challenges
Technological change
Bio-genetic
Miniaturization
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-21
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Future Challenges
Societal Challenges
The environment:
Intellectual property
Financial Reporting
Geopolitical Challenges
China
Japan
Mexico
Post-WTC Trauma:
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-22
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Characteristics of Goods
Tangible product – Bic Mac®
Consistent product definition
Production usually separate from
consumption
Can be inventoried
Low customer interaction
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-23
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Characteristics of Service
Intangible product – Medical consultation
Produced & consumed at same time
Often unique
High customer interaction
Inconsistent product definition
Often knowledge-based
Frequently dispersed
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-24
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Goods Versus Services
Goods
Can be resold
Can be inventoried
Service
Reselling unusual
Difficult to
inventory
Quality difficult to
measure
Selling is part of
service
Some aspects of
quality measurable
Selling is distinct
from production
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-25
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Goods Versus Services Continued
Goods
Service
Product is
transportable
Site of facility
important for cost
Provider, not product
is transportable
Site of facility
important for
customer contact
Often difficult to
automate
Revenue generated
primarily from
intangible service.
Often easy to
automate
Revenue generated
primarily from
tangible product
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-26
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Development of the Service
Economy
U.S. Employment, % Share
80
United States
%70
60
Services
50
40
Canada
250
France
200
Italy
150
Industry
30
Britain
20
Japan
10
U.S. Exports of Services
In Billions of Dollars
Services as a Percent of GDP
Farming
0
1850 75 1900 25 50 75 2000
100
50
W Germany
1970
1991
40 50 60 70
Percent
0
1970 75 80 85 90 95 2000
Year 2000 data is estimated
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-27
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
The Economic System Transforms
Inputs to Outputs
Inputs
Land, Labor,
Capital,
Management
Process
Outputs
The economic system
transforms inputs to outputs
at about an annual 1.7%
increase in productivity
(capital 38% of 1.7%), labor
(10% of 1.7%), management
(52% of 1.7%)
Goods and
Services
Feedback loop
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-28
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Productivity
Measure of process improvement
Represents output relative to input
Productivity
Units produced
= Input used
Productivity increases improve standard of
living
From 1889 to 1973, U.S. productivity increased
at a 2.5% annual rate
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-29
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Measurement Problems
Quality may change while the quantity of inputs and
outputs remains constant. It’s the conformance to
requirements
External elements may cause an increase or decrease
in productivity
Precise units of measure may be lacking. NASA
wanted to launch a rocket. They didn’t use the
international units and they failed.
The rocket crashed !!!
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-30
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Productivity Variables
Labor - contributes about 10% of the annual
increase
Capital - contributes about 32% of the annual
increase
Management - contributes about 52% of the
annual increase
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-31
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Jobs in the U.S
6%
5%
Education, Health, etc.
5%
Manufacturing
3%
1%
6%
Retail Trade
State & Local Gov't
14%
Finance, Insurance
26%
Wholesale Trade
Transport, Public Util.
16%
Construction
Federal Government
18%
Mining
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-32
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Productivity Growth 1971- 1992
Labor
5
4.5
% per year
4
3.5
3
United States
West Germany
Japan
2.5
2
1.5
1
0.5
0
Whole Economy
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
Manufacturing
1-33
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458
Service Productivity
Typically labor intensive
Frequently individually processed
Often an intellectual task performed by
professionals
Often difficult to mechanize
Often difficult to evaluate for quality
PowerPoint Presentation to accompany Operations
Management, 6E (Heizer & Render)
1-34
© 2001 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458