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Six Sigma Quality Engineering

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1 Six Sigma Quality Engineering
Week 10 Lean Enterprise Continuous Improvements (Kaizen)

2 What is a Kaizen Blitz? A Kaizen Blitz is a cross functional multi-level team of 5 to 10 members working intensely for 10 to 14 hours a day, to rapidly develop, test and refine solutions to problems and leave a new solution in place in just a few days. They don’t plan, they don’t propose, they do. A Kaizen Blitz, used in conjunction with the Toyota Production System (TPS) and current Lean Manufacturing principles, can serve as a catalyst for the initial implementation of a plant wide Lean Manufacturing initiative. This focus on immediate change is what sets Kaizen activity apart from other improvement tools.

3 Cycle of an Event 3 2 4 1 5 12 6 11 7 10 8 9 Schedule the Event
Recognize the Need for Change Select System / Process to Optimize 3 2 4 Our Way of Life 1 5 Develop the Objectives Formalize the Change 12 Process Owner: Review & Explains Objectives 6 Process Owner: Accepts Change 11 7 Learning the Tools 5S, Process Flow TAKT / Cycle Time 10 8 9 Make the Change Capture the Details Data Gathering Detail Analysis Set Goals, Make a Plan

4 Define the problem Anywhere Work is being done…
Where do we start first? Define the problem Anywhere Work is being done… Waste is being generated THE CUSTOMER DOES NOT PAY FOR WASTE Module 0013

5 How Material Spends Time In The Factory
Better Large opportunity 80's 90's Value Added 4% Non- Non- Value Added Value Value 16% Added Added 96% 84% We can make this better but it is not our focus

6 How Paper Spends Time In An Office Process
We will also focus on front end throughput opportunities VA 18% NVA 82% ref: Otis - NAD, 1991 Module 0013

7 Direct Labor As a Percent of Total Cost.
This is not a labor reduction program 6 % Direct Labor As a Percent of Total Cost. Module 0013

8 The New Equation Old View Cost + Profit = Sales Price Value
Supplier Cost Increases Old View Sales Price Sales Price Mfg. Cost Cost + Profit = Sales Price Value Profit Supplier Cost Increases New Reality Sales Price Either way Mfg. Costs have to decrease to maintain or increase profits Mfg. Cost Profit = Sales Price - Cost

9 Process Layout And Flow Mass Production System
Lay it out Raw Material Receiving Inspection Store WIP WIP WIP Form Clean Trim WIP OP1 WIP WIP OP2 WIP WIP OP3 WIP Punch Clean Heat Treat WIP OP4 WIP WIP OP5 WIP WIP OP6 WIP Inspection Store WIP Module 0013

10 Separating The Value Added From Non-Value Added
Receive + Inspect + Move + Store + Count + Move Anneal + Move + Wheelabrate + Inspect + Move Mill to Face + Inspect + Move + Wash + Move + Store + Move Turn Stem I.D. & O.D. + Inspect + Move + Wash + Move + Store + Move Grind Top Face + Inspect + Move + Wash + Move + Store + Move Drill C’Bore, Through Hole & Venthole + Inspect + Move + Deburr Venthole + Move Mill Clearance + Inspect + Move + Wash + Degrease + Move Carburize + Move Anneal + Move + Degrease + Inspect + Move + Wash Hone Stem I.D. + Inspect + Move + Wash + Move + Store + Move Mill Nut Surface + Inspect + Move + Wash + Move Measure it Module 0013

11 Separating The Value Added From Non-Value Added
1. Why? REDRILL & TAP + Move + Wash + Degrease + Move INSTALL SCREWS + Move HARDEN + Move + Degrease + Move REMOVE SCREWS + Move TEMPER + Move + Wheelabrate + Inspect + Move HONE STEM I.D. + Inspect + Move + Wash + Move FINISH GRIND TOP FACE + Inspect + Move + Wash + Move Inspect "A" Dimensions + Move Inspect "B" Dimensions + Move + Select Fatigue Test Samples + Store + Move Audit + Move (If quality Audit is Acceptable) (Rejected - Rework) + Store Receive in Finish Stock Room + Count + Store + Issue + Move BAG + Inspect (If Acceptable) + Move SHIPPING 2. Why? 3. Why? 4.Why? 5.Why? SUMMARY: 17 VALUE ADDED ELEMENTS / 93 NON-VALUE ADDED ELEMENTS LEAD TIME: 345 HOURS/23 HOURS DAY = 15 DAYS Module 0013

12 Crosshead Cell Value Added Summary
Small change The Lean focus Module 0013

13 Process Flow Summary Sitting in a rack or in queue Is lead-time important?…which should you attack first? Typical U.S. Average Process Time was 4% Adding value

14 Process Layout Flow And Mass Production Process
This could also be office structure process islands HEAT TREAT CLEANING RAW MATERIALS TO FINISHED STORES TRIMMING INSPECTION RAW MATERIAL STORES CUTTING PUNCHING FORMING Module 0013

15 Anywhere work is being done, waste is being generated.
The General Concept Anywhere work is being done, waste is being generated. Critical Ingredients Of Lean Are: 1. Specify VALUE From your customer’s perspective, not yours. What does the customer want? What are they willing to pay for? 2. Identify the VALUE STREAM and Eliminate Waste The entire value delivery process from inquiry to receipt of cash. 3. Make value FLOW - Ideally One-Piece-At-A-Time 4. Let the customer PULL value through the process. Not suppliers or machine technology 5. Pursue PERFECTION Module 0013

16 Lean Thinking-Defined
Total Elimination of…. Human activity that absorbs resources but creates no value. Mistakes that require rework. Production of items no one wants so inventory piles up. Processing steps which aren’t actually needed. Movement of employees/goods without any purpose. Downstream people/processes waiting for upstream activity. Goods/services which do not meet the needs of the customer ….Waste Module 0013

17 Eliminate Waste Out Of Total Activities
Module 0013

18 The Fundamental Concept
Lean Manufacturing The Fundamental Concept Make What is needed When it is needed In the Amount Needed Module 0013

19 New Competitive Realities
As Time is Compressed, Quality, Productivity and Cost are Improved You need more than cost reductions to steal customers away from your competition. You cannot cost reduce yourself to prosperity, you need to grow. Module 0013

20 Lean Manufacturing Lean Non-Lean 7 Types of Waste Applies to all
Is a Methodology for the Systematic Elimination of Waste Non-Lean Rework 7 Types of Waste Overproduction Waiting Transportation Unnecessary Processing Inventory Unnecessary Motion Correction + A Person Stores Applies to all business processes! Module 0013

21 Waste of Overproduction
THE PRIMARY WASTE To produce more parts than necessary or at a rate faster than required. (Both contribute to excess inventory and waste time that could be spent making required product.) Module 0013

22 Waste Of Correction To correct or repair a defect in materials or parts adds unnecessary costs. (rework) Module 0013

23 Waste Of Processing To process unnecessary work which does not advance or improve the quality of the product. (performing multiple transactions to receive material, transacting parts into inventory... then take them out to load machines.) Module 0013

24 Waste Of Inventory Inventory is a drain on an organization’s overhead. The greater the inventory, the higher the overhead costs become. (With excess inventory, we cover-up unacceptable change over times, excessive downtime, and operator inefficiency) Module 0013

25 (excessive walking distance between operations)
Waste Of Motion Any movement of people or machinery which does not contribute added value to the product. (excessive walking distance between operations) Module 0013

26 Idle time between operations or events.
Waste Of Waiting Idle time between operations or events. (operator waiting for machine to finish cycling or machine waiting for operator to load new parts) Module 0013

27 Why Focus On Human Instead Of Equipment?
Equipment is a sunk cost; it depreciates over time, wears out or becomes obsolete. The Operator is an ongoing resource that should appreciate over time. They gain skill and knowledge. Your competition can easily match you machine for machine Your competitive edge is in how you deploy your value adding people Module 0013

28 How does lean specifically attack the problem?
Module 0013

29 Tools Of The Lean Enterprise
*Visual Controls *Process Mapping *Supplier Certification *Multi-skills training *Kanban *Cell layout(U shape) *Autonomation *POU inventory *Takt time *Right sizing *Curtain *5 Why’s *Time observations *Right Sizing *1 part pull *Single minute exchange of die (SMED) *Line stop *% loading *Mistake proofing *Normal/Abnormal *Quality at source *Standard Work *Signal lights *Value adding analysis *TPM Module 0013

30 5-S Workplace Organization Steps
1.SORT Clearly distinguish what is needed and what is not Remove what does not support the least waste way 2.STRAIGHTEN Organize the way things are kept, making it easier for anyone to find & return items to their proper location in the sequence used 3. SHINE Keep things clean-floor, machines, desks, files equipment-neat & tidy 4. STANDARDIZE Maintain & improve the first 3S’s 5. SUSTAIN Achieve the discipline / habit of properly maintaining the correct procedures

31 Lean Manufacturing Involves the precise definition of Normal in such a way that the Abnormal is exposed in Real-Time and can be eliminated. The result is a Continuous Improvement Environment Module 0013

32 Waste Based on Observation: Normal vs. Abnormal Identify The Waste
Value-Added Non Value-Added Eliminate Waste Kaizen Eliminate Module 0013

33 Don’t Forget It is the not the person doing the work that is ugly. It is the Waste that is ugly. We are not stripping people of their dignity. We are attacking Waste Waste Monster Module 0013

34 One Piece Flow Model PART TRIMMING CLEANING PUNCHING FORMING
Fixture CLEANING Fixture PUNCHING Fixture FORMING Fixture HEAT TREAT Fixture CUTTING Fixture FINISHED STORES Fixture RAW MATERIALS Fixture Module 0013 PART

35 Physical Layout Supports one piece flow
Supports Standard Work In Process Supports Standard Work Supports visual control Each kaizen reduces the cell size Kaizen after Kaizen after Kaizen Module 0013

36 Visual Controls The use of signals, lights, measurements, diagrams, charts & signs to : Clearly define the normal or desired condition Expose the abnormal undesired condition - real time

37 Material Replenishment System
How they work This same shelf with additional Visual Controls becomes more meaningful Standard Work may be : Green - normal Yellow - reorder point passed Red - replenishment past due, contact supplier immediately Blue - abnormal, investigate - consumption changed, supplier overshipped Cards Module 0013

38 Material Replenishment System
1. Ensures the right thing ( Instrument, supply, etc … ) in the right quantity at the right time to the right location in the right orientation 2. Simple signs used to trigger material replenishment according to usage at Takt time cadence Need : valve - 636/11 Quantity : 2 Required : 10am Where : Cell Module 0013

39 It tells us how to make one
Standard Work There can be no improvement … no Kaizen … without the basis of Standard Work Standard Work details the motion of the operator & the process sequence in producing a part It is the statement of the least waste way of production through the best combination of people & equipment, the least amount of Work In Process possible, showing where to check for quality & where there are safety issues It provides a routine for consistency of an operation & a basis for improvement Not machine It tells us how to make one to our TAKT time Module 0013

40 Single Minute Exchange Of Die
S.M.E.D. A process for dramatically, logically & methodically reducing set up or changeover time To enable the significant reduction of lot sizes & the approach towards single piece flow Supports mixed model, daily production The goal is to change a set up in one TAKT time Large machine centers set ups must be done during machine cycle time Level loaded demand (1A,1B,1A,1B) Module 0013 In other words… PROFESSIONALISM

41 Takt Time TAKT Time = = T.A. Time Available S.U. Sold Units
From the German word for “meter” The time which reflects the rate at which customers buy one unit We can work with this T.A Time Available S.U Sold Units TAKT Time = = It is what it is Not much you can do about this Module 0013

42 5 Why’s Root Cause 1. Why did the system fail? A: The motor burned out
2. Why did the motor burn out? A: The shaft seized 3. Why did the shaft seize? A: There was no lubrication 4. Why was there no lubrication? A: The line filter was clogged 5. Why was the line filter clogged? A: It was the wrong sized mesh! Root Cause Module 0013

43 periods,breaks, second shift, weekends, holidays etc.)
TPM The lack of TPM results in Breakdowns Breakdowns are a result of undetected or ignored equipment deterioration 75% of all equipment deterioration can be detected by a trained operator The remaining 25% can be detected by trained maintenance technicians performing preventative & predictive maintenance … … therefore all breakdowns can be prevented Do a careful analysis of when the machine does not need to be run( lunch periods,breaks, second shift, weekends, holidays etc.) 75% of all machine downtime is due to dirt and lack of proper lubrication. Module 0013

44 Process Mapping A visual representation of a process that can include:
process steps sequence duration distance A process map can be constructed at a “high level - broad process steps …or at a lower level - with process detail You have to do more than just ask someone how long an operation takes. Generally, they will not include walking and waiting, and will give highly inaccurate set up times.

45 One Part Pull The opposite of batch production
Processing product one at a time at the unit level at which the product is sold Lean Manufacturing delivers its greatest improvements, maximizes its problem exposure, and enables constant top quality when one part pull is relentlessly applied Exposes the problems (Makes it ugly). It is hard to hide problems in the system with no buffer stock Repairs are made on 1 part rather than the entire batch Module 0013

46 Work to achieve defect prevention
Mistake Proofing Mistake proofing goal - Zero defects Mistake Proofing is a method that uses simple, low cost devices to check each part at each operation to prevent mistakes from occurring 1. Built into product design 2. Built into process 3. Automatic check system Work to achieve defect prevention not defect detection Module 0013

47 Right Sizing Must first improve the operation, then improve the
Only the right amount of resources … equipment space work surface material … to support one piece flow Must first improve the operation, then improve the equipment. You do not want to size the equipment to accommodate a wasteful cell Module 0013

48 Right Sizing Buy only the minimum amount of equipment, preferably built in house Do not always think that expensive, high performance machines are always the best, but consider a consistency of the whole production First “improve operation” and afterwards carry out “improvement of equipment”, otherwise it might cause the mechanization of waste. Module 0013

49 Multi-Skilled Workers
The leanest process may require workers to provide effort in a variety of tasks Rigid job classifications & definitions are in direct conflict with teamwork & reduce flexibility to meet customer needs Multi skilled workers are capable of maximizing teamwork & performance Especially important to 1 part flow in an assembly operation Module 0013

50 Curtain Operation A Curtain Operation :
Is often out of the cell/build flow area Does not lend itself to one piece flow Could be a “batch type” operation such as heat treat or cure Is often a monument A Curtain Operation done effectively enables one piece flow Module 0013

51 h Curtain Operation Inbound Outbound The rabbit chase Curtain
Module 0013

52 Supplier Certification
A tool designed to make suppliers take the full responsibility for the quality of their product, such that incoming inspection by the purchasing firm may be eliminated Suppliers with proven track records of excellent performance are certified & expected to guarantee defect - free products Requires a good deal of homework done on your specifications and drawings to make sure you are not the problem. Module 0013

53 Design For Manufacturing And Assembly
A conscious process of making design decisions only after fully evaluating the manufacturing processes, tools, quality control measures & equipment impacts Module 0013

54 Quality Function Deployment
A technique where product performance features and the characteristics which deliver them are determined by the Voice of the Customer & paid heed to by the producer ( by listening & acting ) The quality responsibility is then deployed throughout the organization by tying compliance activities directly to the fulfillment of these customer requirements Module 0013

55 Standard Work Standard work is a tool that defines the interaction of the operator and machine in producing a part. It details the motion of the operator and the sequence of the machine. It provides a routine for consistency of an operation and a basis of improvement. Module 0013

56 Time Observation One of the critical tools for documenting reality
One time observation form per operator Two observers for each operator. One operates time piece One records the information Focus on the operator, not part flow or machine cycle time Module 0013

57 Standard Work Sheet 5 40” 7 3 2 1 4 6 L210 M110 Raw Material L310
Scope of From Date prepared Operations To or revised: Quality Safety Standard Work- # of Pieces of Std. TAKT Cycle Operator Check Precaution in-Process Work-in-Process Time Number Master Cylinder Pick up raw material Finished product 5 40” Finished Product Raw Material L210 T420 L310 M110 Inspect 7 3-5-97 3 2 1 4 6 Module 0013

58 STANDARD WORK COMBINATION SHEET
OPERATION NAME OPERATION TIME (IN SECONDS) STANDARD WORK COMBINATION SHEET MODEL NUMBER AND NAME WORK SEQUENCE DATE PREPARED DEPT. QUOTA PER SHIFT TAKT TIME OPERATOR NUMBER Manual Automatic Walking wwwwww 12 1/22/98 690 Spec. Steel Fin. Grind O.D. 123 40” STEP TIME NUMBER Man. Auto. Walk 5 10 15 20 25 30 35 TT 45 50 p.u. & blow off part 3 -- -- 1 40 2 unload, load, cycle start 5 23 -- 3 gage 2 dia. - go/no go 3 -- 2 4 load drill hopper 3 15 2 TOTALS WAITING 22 14 38 4

59 Standard Work Sheet In the case where the cycle time does not come up to the Takt Time... Ideally, the Cycle Time should equal the Takt Time TT TT then not enough work has been assigned CT =TT Module 0013

60 Tools To Document Reality
Time Observation Sheet Standard Work Sheets Standard Work Combination Sheet Percent Loading Chart Process Capacity 5S Worksheet Module 0013

61 Lean Manufacturing Involves the precise definition of Normal in such a way that the Abnormal is exposed in Real Time and can be eliminated. The result is a Continuous Improvement Environment Module 0013

62 waste Make It Ugly Observation Time Studies Process Mapping Flow
Takt Time Analysis Visual Controls waste Module 0013

63 Total Elimination of Waste
The Goal Total Elimination of Waste Module 0013

64 Typical Lean Activities Initiated At A Kaizen Event
Cell layout The 5’s Right sizing Signal lights POU Time observations Kanbans Value adding analysis Takt time Visual controls 1 part pull systems Curtain Process mapping Standard work Module 0013

65 Two Steps Forward, One Step Back
Implementation errors will occur, these should be rewarded if done for the right reason Anchor Dragging is unacceptable Steady State in our industry, or any other, will lead to failure “It’s not OK to do nothing to improve our operation on the grounds that the risk of failure, (step backward) is too high” Two steps forward, one step back is OK No steps forward is not Bad news is good news Management must monitor

66 To Lean Implementation One piece flow

67 Step One Choose Your Project Well High Probability For Success
Good Visibility Short In Duration Requires Several “Lean Tools” Is Measurable

68 Step Two Choose Your Team Well Open Minded And Enthusiastic
Select People Who Work With The Product Operators Maintenance People Supervisors ME/IE Planners

69 Step Three Train! Train! Train! Overview Of Six Sigma
Continuous Improvement Single Piece Build (Use The “Stockless Production” Video Made By Hewlett Packard Use Your Black Belts

70 Step Four Calculate Takt Time This Is The Customers Drum Beat
Takt Time = Units Purchased Per Day Divided Into Actual Time Available In A Shift Example: 27,000 Seconds / 20 Units = 1350 Seconds Per Unit Or (1) Unit Every 22.5 Minutes

71 The time (pace) required to produce a
Takt Time The time (pace) required to produce a product based on customer demand. Time Available Customer Demand Often expressed as: TAKT TIME = Example: Elevator Manufacturer -Customer Demand: 50 Hydraulic Elevators / Week -Daily Demand: 10 Hydraulic Elevators -Time Available: 435 Minutes / Day (480 min less cleanup, breaks) 435 / 10 = 43.5 Minutes per elevator = TAKT TIME This pace must be maintained in order to satisfy customer demand!

72 The time for an operator
Cycle Time The time for an operator to do a prescribed task and return to his/her original stance.

73 The amount of time it takes to convert raw materials into
Lead Time The amount of time it takes to convert raw materials into finished goods (External Customer) or to move goods from one part of the process to another (Internal Customer)

74 Lead Time Cycle Time Cycle Time vs. Lead Time Task 1 Task 2 Task 3
4 Task 5 MOVE WAIT SET-UP RUN Cycle Time

75 Can a process have a 1 hour TAKT Time and a 6 month Lead Time?
Takt Time vs. Lead Time >TAKT Time is a rate of demand >Lead Time is how long the whole process takes >They are NOT related! Lead Time 1 Unit / Minute TAKT Time PROCESS WIP Can a process have a 1 hour TAKT Time and a 6 month Lead Time?

76 Step Five Study The Project Team Meetings To Discuss The Project
Set Objectives 25% Improvement In Through Put 50% Reduction In Floor Space 65% Reduction In Inventory Meeting The Takt Time Establish The Metrics

77 Batch vs. One-Piece Flow
(Process oriented layout with Lot Size = 5) Processing Time = 1 Minute / Unit Process Flow A B C D 5 10 15 20 TIME ELAPSED (MINUTES) Manufacturing Lead Time NOTE: Typically, the distances between process is long in a process oriented layout, making difficult to transfer units one-by-one.

78 Batch vs. One-Piece Flow
(Process oriented layout with Lot Size = 1) Processing Time = 1 Minute / Unit Process Flow A B C D 1 2 3 4 TIME ELAPSED (MINUTES) Add the Balance of Units (4 x 1’/Unit) 8 Manufacturing Lead Time

79 Boeing 737 Lean Cell

80 One 737 airplane every 9 days
Boeing 737 Lean Cell One 737 airplane every 9 days

81 Value Stream Analysis

82 What you can Expect “Value Stream Analysis Kaizen Training” contains what you need to know to get the job done, not everything you need to know to be an expert. Part 1 Lean concepts and terminology Part 2 The process by which we create future states

83 First were did Lean come from?
F. Taylor championed time and motion studies for Henry Ford. Employees were trained to do simple and narrow tasks (and, many businesses still do today). While E. Whitney was perfecting the concept of standard parts for interchangeability during service Henry Ford combined these two systems to define predictable manufacturing for his era. These were times of mass markets, huge production runs, infrequent changes. Toyota learned from this and expanded upon it with the kanban system noticed during a visit to a U.S. grocery store to help them produce cars JIT because of the great cost of raw materials in Japan Then the U.S. took notice during the oil shock and the world took notice soon afterwards

84 Lean Thinking Value in the Eyes of the Customer The Value Stream Flow
Pull of the Customer Perfection

85 Value Added Value is added any time we physically change our product towards what the customer is buying If we are not adding value, we are adding cost or waste Lean Manufacturing drives the systematic elimination of waste Value-Added Time : Minutes Time in Plant : Weeks ORDER CASH KEY QUESTION – Are my customers willing to pay for this ????

86 Value Added vs. Non-Value Added
Typically 95% of Total Lead Time is Non-Value Added!!! Value added 5% Non-value added LEAN = ELIMINATING THE 7 WASTES Overproduction Waiting Transportation Non-value added processing Excess inventory Excess motion Defects

87 7 ELIMINATE Wastes OVERPRODUCTION WAITING TRANSPORTATION DEFECTS
PROCESSING DEFECTS INVENTORY MOTION

88 7 Basic Types of Waste (Toyota)
Overproduction – producing more than what is demanded by the customer Inventory – Storing more than the absolute minimum needed Transportation – the unnecessary movement of materials Waiting – waiting for the next process step Excess processing – due to poor tool or product design Wasted motion – unnecessary reaching, walking, looking for parts, tools, prints, etc Defects – scrap and rework

89 What is Flow ? TRADITIONAL CONTINUOUS FLOW
Producing and moving one item at a time (or a small and consistent batch of items) through a sequence of process steps as continuously as possible, with each step making just what is requested by the next step. We usually analyze part of a total value stream. The part that we have most control over. But we must draw the entire picture the whole flow helps us account for all of the major cost and time elements. It show how material and information flows interact and sometimes conflict. And most importantly, keeps us focused on our primary objective, to satisfy the end customer. Once we have the big picture of the whole value stream, we can focus on value as defined in the eyes of the customer, Items flow through a value stream: In the manufacturing industry… In the service industry….. In the admin. Such as in HR…we have internal customers, all of you are HR customers.. The point is there are many immediate customers that are part of a value stream, we create value through adding value to each item as it goes through the value stream. TRADITIONAL CONTINUOUS FLOW Lean Lexicon Version 1 p9

90 Continuous Flow – More Efficient & Faster
Traditional Batch Layout Continuous Flow Layout

91 Supermarket Pull System
“Production” KANBAN “Withdrawal” KANBAN product product Mike Rother Learning to See SUPERMARKET CUSTOMER PROCESS goes to supermarket and withdraws what it needs when it needs it. SUPPLYING PROCESS produces to replenish what was withdrawn. PURPOSE: Controls production at supplying process without trying to schedule. Controls production between flows.

92 Takt Time Takt time paces production to the pace of customer requirements. Total daily operating time Takt Time = Total daily customer requirement Operating time = 1 shift x 8 hours – (2) 20-min. breaks = 440 mins/day Customer 880 units/month = = 44 units/day Requirement 20 days/month Facilitator Notes: Takt time is the primary measurement tool in standardized work. Takt time is the German work for musical meter or rhythm. 440 mins/day Takt time = = 10 mins/unit 44 units/day

93 What is a Value Stream ? Starts with raw materials
A Value Stream is all the actions, value creating and non-value creating, required to bring a product from order to delivery Starts with raw materials Finalizes at the end-customer Involves several businesses A value stream is all the activities that create value. All of the actions for a whole product family. A value stream starts with raw materials and ends with end customer. It is a visual management picture of the complete process. Most value streams involve several businesses. It includes suppliers and processes outside of this facility. The complete process. You need to think outside our walls.

94 Value Stream Mapping Helps you to see the sources of waste in the value stream Shows the flow of information and material Forms the blueprint for lean implementation (Imagine trying to build a house without a blueprint). Helps you to see more than just the single process level Provides a common language for talking about manufacturing processes Makes decisions about the flow apparent, so they can be discussed Ties together lean concepts and techniques, which helps to avoid “cherry picking” Improvement projects Mike Rother Learning to See

95 What is Value Stream Analysis?
Value stream maps describe a value stream Value stream analysis is a planning process Uses value stream maps to communicate Information Flow Material Flow Three value stream maps are created Current state Ideal state Future state (3 months from now) Action plans are developed for the future state map *they are visual descriptions of a value stream. They are powerful because they give us a way of communication about what the current value stream is and what it will become in the future. *Value stream analysis is a planning process that uses value stream maps. It has clear boundaries and is usually focused on a part of the value stream. Value stream maps are used to communicate either info. Or material flow. *In a value stream analysis three value stream maps are created: Current state: what is the value stream today. Ideal state: Making the Current State better, map depicting the opportunities for improvement employing lean methodologies. Future State: mos. What do we want the value steam to be. From the future state we choose action plans for the next 3-6 months. We chose this action with ideal state in mind or what good looks like. *

96 The Value Stream Analysis Process
Phase 1-Pre-event work Phase 2-The Main Event Phase 3-Accountability Process

97 Value Stream Analysis Process Phase 1 Pre-event Planning

98 Pre-Event Work Three weeks prior to the event Determine team members
Define the objective of the team Select the area and topic Logistics (conf. Rm., times, facilitator supplies, etc.) Invite team members to the event Clarify roles and responsibilities Event leader-value stream manager from the area (owns resources and results) Event facilitator-CI Leaders who manage the improvement process and share in ownership of results Subject matter experts Value is what the customer is buying from the value stream. For example, a total value stream may provide a storage cabinet to an end-customer. The Value that the end-customer is buying “is an orderly, organized area” which they create by buying the cabinet, some bins and some labels) Read questions? We summarize this definition of what the customer sees as value and attach it to our value stream map.

99 Pre-Event Work Two weeks prior to the event
Part/quantity analysis (select representative part number) Gather and review data (Yield, job closures, CONC, etc.) Determine future demand Review prior event data Review any customer issues Review any requirements for capital equipment One week prior to the event Verify customer demand Review above data Value is what the customer is buying from the value stream. For example, a total value stream may provide a storage cabinet to an end-customer. The Value that the end-customer is buying “is an orderly, organized area” which they create by buying the cabinet, some bins and some labels) Read questions? We summarize this definition of what the customer sees as value and attach it to our value stream map.

100 Value Stream Analysis Process Phase 2 The Main Event

101 The Main Event Training Gemba Walk Value Stream Map-Current State
Develop Ideal State Map Develop Future State Map (3 months out) Develop Future State Plan Management Report Out Value is what the customer is buying from the value stream. For example, a total value stream may provide a storage cabinet to an end-customer. The Value that the end-customer is buying “is an orderly, organized area” which they create by buying the cabinet, some bins and some labels) Read questions? We summarize this definition of what the customer sees as value and attach it to our value stream map.

102 VSM Event Steps 1 &2 Training and Gemba Walk
The concepts of Lean need to be applied to classroom training as well as our other processes This is a learn by doing process We will minimize classroom learning Gemba Walk Gemba means, “shop floor” or “where the process is” We need to go there so we know what we are mapping

103 VSM Event Step 3 Current State Map
Value Stream Map-Current State Map the physical flow (manufacturing loop, customer loop, supplier loop) Map the information flow Complete the lead time data bar Visually identify waste Identify value added/non-value added (red, yellow, green dots) Visually identify the most significant opportunities with kaizen bursts. Summarize all information and metrics (date, P/N, times, inventory, OTD, quality, etc.) Value is what the customer is buying from the value stream. For example, a total value stream may provide a storage cabinet to an end-customer. The Value that the end-customer is buying “is an orderly, organized area” which they create by buying the cabinet, some bins and some labels) Read questions? We summarize this definition of what the customer sees as value and attach it to our value stream map.

104 Elements of Value Stream Maps
Monthly Orders 30 Days 880 Op 1 1 Day S/U = 1 hr CT = 1.6 min S/U = 0.08 hr CT = 0.9 min S/U = 0.08 hr CT = 1.2 min Total = 57 Days Total = 1 Hr Min. Takt Time = 440 min/ = 10 min/unit Bi-Monthly MRP S/U = 0 CT = 60 min S/U = 1.95 hr CT = 40.3 min Supplier Customer 45 1 2 5 1.6 0.9 60 1.2 40.3 Op 2 2 Days Op 3 Op 4 Op 5 5 Days Op 6 45 Days Information Supplier Loop Customer Loop Manufacturing Loop Does your map look like this? Discuss. Note the bursts. Long cycle times and inventory amounts are highlighted. Cycle time can be reduced by using 6 Sigma to increase the number of quality parts out of a process. Also used to understand the process and the effects of speeding up the cycle time. High inventory often used to mask quality problems or a result of build up due to bottlenecks. Lead Time Data Bar

105 Manufacturing Loop Questions
What are the changeover times? What are the quantity of machines per process? Count all work in process (WIP) Look for evidence of quality problems Look for processing waste Is there great distances between processes? Is the product flexible or made to order? Is there obvious batch processing? Notes:

106 Customer Loop Questions
Who and where are your customers? What are the product lines or families? Future marketing plans? Review growth potential. What is the total yearly order requirement? Quantity by product family or product type What is the high, low and mean ordering pattern? Monthly or quarterly high & low for several periods How often do we deliver to our customer? What takt time do we supply to? G.M. AT&T Here’s the questions we need to know about our customer’s current state. Break into teams. For a 3 legged process, you may have 4 teams, 1 for each leg of the process and 1 for the supplier/customer loop.

107 Production Control Questions
Where in the production chain do we trigger production? How much work do we release at one time? How long does it take to go from customer order to production order? How do we physically schedule production? How do we react to customer emergencies? Notes:

108 Supplier Loop Questions
#1 question, how do you tell suppliers what to ship, make, etc.? When and how often do they get purchase orders from Customers? When and how do we change the purchase order? When and how often do suppliers ship product and how? Is it level? (Truck, train, etc.) Do we have standard pack quantities? Are suppliers aware of our inventory quantities? Are we sure of suppliers inventory? How? Do we have a supplier training program? Notes:

109 Information Flow Questions
How are the manufacturing and procurement orders distributed? Who gets them How frequently What is the process of generating them How are the shop order schedules generated and revised? Are there “shortage meetings”? What parts of the manufacturing loop are scheduled by MRP? Make sure to document the informal (hot lists) as well as formal (MRP) information channels.

110 Current State Lead Time Data Bar
Total Cycle Time (CT) DOH Inventory 8 Days 4 Days 12 Days 4 Hrs (1 Hr.) 4 Hrs VA Time (yes/no) CT Total

111 Mapping Icons COMPUTER WIP NotesThese are all the icons:
point out some of the key ones… - the customer box - the push arrows - the computer tombstone indicating info is waiting to be processed - the information box

112 Visually Identify Waste
As a team, review each process step for elements that are value added and non value added Each step can have any combination of value added, type 1 waste and/or type 2 waste Identify value added with a green dot Identify type 1 waste (waste but unavoidable in the current state) with a yellow dot Identify type 2 waste (pure waste, eliminate immediately) with a red dot As type 2 waste is identified, generate the actions to remove it (this will be the beginning of the future state implementation plan) Prioritize the waste opportunities and identify the biggest opportunities on the CS map with kaizen bursts

113 VSM Event Step 4 Ideal State Map
Avoid shared resources Assume that anything is possible Our customers are happy Our profits are up High job satisfaction Capital is available if needed Create an ideal state map Map the physical flow Map the information flow Complete the lead time data bar

114 VSM Event Step 5 Future State Map (3 months out)
What of the ideal state map can be implemented in 3 months? Identify short term goals LEAD TIME INVENTORY PRODUCTIVITY QUALITY CAPACITY Work from your current state map Now it’s time to get practical. The future state map describes what you really think you’re going to accomplish in the next 6-12 months. Again don’t let this step take too long to create—some parts of the plan aren’t easy to see yet. Focus on the places that are easy to see and plan about. You learn by doing. Don’t try to develop fancy plans. As you develop the future map, focus on the low hanging fruit. Where is obvious impact to inventory?

115 VSM Event Step 6 Future State Plan
This plan answers the question, “what actions need to be completed in the next 90 days to achieve the future state? Think back to the “visually identify waste” step Plan addresses all “red dots” and Kaizen bursts

116 VSM Event Step 7 Management Report Out
This report out is how the team publicly commits to management What the goal of the event was What was learned What was accomplished during the event What the outcome is. How much better will we be? Description of the future state Commitment of the action plan

117 Value Stream Analysis Process Phase 3 Accountability Process

118 The Accountability Process
The momentum for improvement is never higher then at the end of the event when everyone can really see the waste. As a result the accountability process must start immediately following the event (next day). Display the current state map, future state map and future state plan in the the affected area. Commit to a stand up meeting in front of the maps and plan (daily at first, and then less frequent as applicable) Focus on Due date control. Not meeting dates is letting the team down Value is what the customer is buying from the value stream. For example, a total value stream may provide a storage cabinet to an end-customer. The Value that the end-customer is buying “is an orderly, organized area” which they create by buying the cabinet, some bins and some labels) Read questions? We summarize this definition of what the customer sees as value and attach it to our value stream map.

119 Questions? Comments?


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