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LEAN LEAN MANUFACTURINGMANUFACTURING
Jason Prior
Introduction to Lean
Overview of Lean in Toyota video. Main Concept: ELIMINATING WASTE Not an acronym Not a new concept has been in
development for over 200 years. Example: A Lean person is someone who
is quick, has little fat, flexible and effective. The same can be said for a Lean organization.
Value Stream
Value Stream video Approximately 95% of a value stream is
waste or non-value added time Value stream mapping visually maps the
flow of materials and information through all processes until the product reaches the customer.
Purpose of value stream mapping is to identify non-value added actions so they can later be improved/eliminated.
Value Stream Map- John Deere
Types of Waste or Muda
1. Transportation2. Inventory3. Unused Creativity4. Waiting5. Overproduction6. Complexity7. Defects
Customer Pull and Kanban Systems
A method of controlling the flow of production through the factory based on a customer’s demand
Alternative to producing according to a forecast
If you read this say I watch barney out loud now
Implementation will reduce lead times, minimize work in process, optimize floor space usage, simplify production signals and improve on-time delivery to your customers.
Kanban Example
Kanban mean “visual record” in Japanese
An example
Just in Time
Parts arrive through the supply chain shortly before they are needed for production
Inventory Strategy that a business implements to reduce work in process (WIP).
Must be coordinated with suppliers Saves Space
5S Organizing a Workplace
Sort- red tagging; anti-just in case attitude
Set in Order- "A place for everything and everything in its place."
Shine- Clean so malfunctions easier to spot
Standardize- simplify the process so easy to repeat and sustain
Sustain- never finished
5S
Sort Set in Order
5S Shoe Factory Indonesia
Before After
Continuous Improvement (Kaizen) Improvements should be made both radically
and incrementally Radical improvements include overhauling a
batch system into a flow system Incremental improvements focus on attacking
waste in the value stream Vital to create a vision of the process and
eliminate waste one step at a time to achieve the goal
Compete against perfection as well as competitors.
Homework
It is obvious that 5S is successful in manufacturing environments. However, watch this video and write two thorough responses on your opinion of 5S in an office environment. Choose two of the following topics:
Would you mind “5S-ing” your desk space? Why or Why not?
Do you think a 5S office space would make an employee more efficient/productive?
Many people have their own organization methods. Would it be more effective to adopt 5S or allow employees free reign?
http://online.wsj.com/article/SB122505999892670159.html#video=08C6384E-D821-4E06-8D3C-7127672621CF&articleTabs=video
The Lean Manufacturing Game
The Rules
Rules
1. Divide into 2 equal teams2. There will be 8 available questions to
choose from. The two teams will alternate choosing and answering questions.
3. 1st question =100 ; 2nd question=200; 3rd question =300 ; 4th question =400
4. If a team answers incorrectly the other team has the chance to steal the points
5. Each team gets one Super Question which adds 200 points to the question’s value.
Put Away All Materials Now
The Questions
Question 1 Question 2 Question 3 Question 4
Question 5 Question 6 Question 7 Question 8
Question 1
Name four types of waste in a Lean environment.
Answer
Question 2
The Toyota Production System was largely influenced by the Ford model. However, name an improvement made by Taiichi Ohno and the Japaneses that made the TPS much more effective.
Answer
Question 3
Briefly explain the concept of a pull system
Answer
Question 4
What is the overall concept of Lean in two words?
Answer
Question 5
Name the person accredited for perfecting interchangeable parts.
Answer
Question 6
What is the purpose of mapping a value stream?
Answer
Question 7
What is the definition of value added?Answer
Question 8
Name all 5 S’s in orderAnswer
Answer Question 1
1. Transportation2. Inventory3. Unused Creativity4. Waiting5. Overproduction6. Complexity7. DefectsMain Questions
Answer Question 2
JIT Working conditions Team development Cellular manufacturing Flexibility Kanban systems Quality circlesMain Questions
Answer Question 3
A method of controlling the flow of production through the factory based on a customer’s demand
Main Questions
Answer Question 4
Eliminate WasteMain Questions
Answer Question 5
Eli Whitney Main Questions
Answer Question 6
To identify non-value added actions so they can later be improved/eliminated.
Main Questions
Answer Question 7
Something the customer is willing to pay for.
Main Questions
Answer Question 8
SortSet in OrderShineStandardizeSustainMain Questions
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