【正文】 Group, Inc. All Rights Reserved. 12 ? Fulfillment: Supplying existing products – time to delivery ? Development: Creating new products – time to market ? Product: Managing product portfolios – life cycle ? Customer – Identifying and supporting customers – OTD, response time ? Materials Mgmt. – Suppliers, inventory, logistics – lead time/days of supply ? Growth – Identifying and exploiting new opportunities TCT Basic: Focus on Key Interrelated Business Processes PRODUCTS S A L E S M A R K E T I N G S E R V I C E S U P P L I E R S CUSTOMER S U P P L I E R S P R O D U C T P L A N N I N G PROJECTS NEW PRODUCTS ORDERS PARTS QUOTES E N G I N E E R I N G D I S T R I B U T I O N M A N U F A C T U R I N G PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 13 All three metrics are required for key processes to provide balanced improvement! TCT Basic: Critical Process Measures ? Cycle Time ?Static ?Dynamic ?Modeled ? FirstPass Yield (FPY) ? Cost/Productivity PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 14 Why Cycle Time? Ideal driver attributes ? Easily understood and measured ? Difficult to manipulate ? Links to desired result ? Cuts through anizational boundaries ? Balances improvements expected PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 15 2. ―Preparing‖ Time ?Setting up a machine ?Initializing a CAD data base ?Researching the literature ?Thinking ―Where was I?‖ 4. ―Redoing‖ Time ?Changes to specifications ?Order changes ?Reworking defective parts ?Product warranty work 1. ―Waiting‖ Time ?Waiting for parts ?Waiting for a truck ?Waiting for priority ?Waiting in a queue 3. ―Doing‖ Time ? Making parts ? Assembling products ? Testing a hypothesis ? CAD of engineering sketches Cycle Time Has Four Components PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 16 Static Cycle Time Measurement ? Historical measure based on analysis of output of a process ? Population may equal one or more units of work or actions ? Data may be displayed as: ?The measure of a population of one ?The measure of the average of a population ?The frequency distribution of a population ? Static cycle time is a lagging indicator: results after pletion PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 17 A product test that starts on June 12 and concludes on July 19, has a static cycle time of 37 days. Start June 12 Stop July 19 Static Cycle Time = 37 Days Population of one Static Cycle Time continued... PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 18 Populations of more than one 30 widgets pleted during a specific time period had the following distribution: 2 pleted in 2 days 3 pleted in 7 days 6 pleted in 3 days 4 pleted in 8 days 5 pleted in 4 days 2 pleted in 9 days 7 pleted in 5 days 1 pleted in 10 days Static Cycle = (2X2)+(6X3)+(5X4)+(7X5)+(3X7)+(4X8)+(2X9)+(1X10) Time 30 = days for that specific time period Static Cycle Time PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 19 Data also may be displayed as a frequency distribution. Units Mean = Days Cycle Time — Days Typically Long Tail 10 8 4 6 2 0 10 8 6 4 2 0 Static Cycle Time PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 20 ? Time to plete existing AIP39。s (Actions in Process) using historical pletion rates (Processing Speed) ? Processing Speed is a function of barriers and backlog ? AIP39。s are a function of management behavior ? Dynamic cycle time is a leading indicator Dynamic Cycle Time (DCT) DCT = AIP39。s Processing Speed PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 21 Dynamic Cycle Time Parameter Estimates ? AIP39。s ?Number at specific time in measurement period ?Average of the number at beginning and end of measurement period ?Average numbers from samples during the measurement period ? Processing Speed ?(AIP39。s Out) during measurement period ?When process speed is relatively stable (dominant case) ?(AIP39。s In + AIP39。s Out) / 2 ?When process speed is changing quickly (special case) PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 22 Imagine: Clear Tube Shutter opens once each second OneSecond Actuator Understanding Dynamic Cycle Time PROPRIETARY 169。 1988 Thomas Group, Inc. All Rights Reserved. 23 Imagine the tube