LMS

Lean Production System Overview

Major Sub-systems of the Lean Production System

1. Lean Technical System: Focuses on process management

   • Cell Design & Layout: Organizing workstations efficiently to enhance flow and reduce waste.

   • 5S: A workplace organization method that consists of five steps: Sort, Set in order, Shine, Standardize, and Sustain.

   • SMED (Single-Minute Exchange of Die): A methodology aimed at reducing setup times to less than 10 minutes.

   • TPM (Total Productive Maintenance): A system to ensure that every machine is always operating at peak efficiency.

   • Jidoka: Autonomation; the concept of automation with a human touch, allowing machines to detect problems and stop.

   • SPC (Statistical Process Control): The use of statistical methods to monitor and control a process.

   • Poke Yoke: Error-proofing techniques designed to prevent mistakes or inadvertent actions in the production process.

   • Andon: A system to notify management, maintenance, and other workers of a quality or process problem.

   • Balanced JIT (Just-In-Time) Pull: Principles ensuring that production matches demand precisely, minimizing waste and inventory.

   • Heijunka: Production leveling that aims to reduce waste by smoothing out production schedules.

   • Takt Time: The amount of time available to produce a product to meet customer demand.

   • Cell Balancing: Ensuring that work tasks are evenly distributed across production cells to enhance efficiency.

   • Single Piece Flow: Producing one item at a time through the production process.

   • Kanban: A scheduling system for lean and just-in-time manufacturing that uses visual cues to trigger production.

   • Process Flow Diagram & SOP (Standard Operating Procedure) Work Instruction: Tools for visualizing and standardizing processes.

2. Lean Management System: Focuses on social and workforce aspects

   • Leadership Characteristics and Discipline: The importance of effective leadership in lean management, emphasizing discipline and direction.

   • Sensei: A mentor or teacher responsible for guiding lean practices within the organization.

   • Gemba Walks: Management practice of going to the place where work is done to observe and understand processes.

   • Behavior Traits: Essential traits that leaders should exhibit to foster a lean culture.

   • Leader Standard Work (LSW): A documented structure detailing core tasks for leaders to ensure accountability and consistency.

   • Visual Controls vs. Visual Management: Distinction between visual controls that assess performance and visual management that guides work execution.

   • Daily Accountability: The process of monitoring performance daily to ensure adherence to lean practices.

Detailed Exploration of Lean Management System (LMS)

Source: David Mann Book

• Work Organization Culture: The underlying principles that shape a workplace environment.

• Creating Business Culture: Techniques employed to instill a specific organizational culture.

• Lean Culture: Characteristics of an organizational culture that supports and promotes lean principles.

Sustaining and Supporting Technical Lean Implementation

• Daily Management: Continuous management practices that ensure lean operational techniques are executed effectively.

  • Utilizes day-to-day management practices to keep lean techniques active.

  • Lean execution is interdependent among people and processes.

  • Adheres to lean practices, setting direction, standards, and monitoring outcomes.

  • Aims to prevent the recurrence of outdated practices that circumvent operational integrity.

Monitoring Lean Technical/Production Systems

• Execution Monitoring: Evaluation of whether actual processes deviate from design expectations.

  • Identifies areas where improvements and simplifications should be made.

  • Ensures stabilization and standardization of processes.

Shift in Focus

• Results-Oriented to Process Focused: Transition from reactive approaches based on past data to proactive methods focusing on daily processes.

  • LMS facilitates daily practices and discipline among leaders to achieve focused outcomes.

  • Requires various levels of lean leadership:

    • Executives: Top management responsible for overall strategy.

    • Plant Managers and Value Stream Managers: Tactical oversight of production processes.

    • Area Supervisors and Department Managers: Direct management of operations and teams.

    • Cell Team/Group Leaders: Frontline management facilitating day-to-day functions.

Principle Elements of Lean Management System

Leadership Characteristics and Discipline

• Sensei:

  • A crucial role in lean management representing mentorship and guidance.

  • Focuses on teaching lean principles and achieving operational excellence through a disciplined approach.

  • Engages in mentorship such as internship programs to promote hands-on understanding of lean practices.

Gemba Walks

• Focus on firsthand observation by leaders to understand and address real-world issues occurring in the workplace.

Behavior Traits of Effective Leaders

• Leaders must exhibit qualities that enhance the success of lean implementations and sustain organizational health.

Leader Standard Work (LSW)

• Clearly defined tasks that leaders must follow to uphold lean processes, ensuring alignment between actions and outcomes.

  • LSW varies based on leader's role and area of responsibility.

Visual Controls

• Essential tools for performance measurement and management;

  • Difference between visual controls that assess current performance and visual management that outlines procedures.

Daily Accountability

• Processes ensuring commitment to improvements through regular evaluations based on data collected via visual controls.

Lean Leadership Behaviors

Overview of 10 Lean Leadership Behaviors

1. Passion for Lean: Commitment to lean principles to improve overall success and workplace satisfaction.

2. Disciplined Adherence to Process Accountability: Setting clear expectations and following through with performance tracking.

3. Project Management Orientation: Structured approach to managing tasks with corrective actions when needed.

4. Lean Thinking: Understanding and applying lean methodologies to foster continuous improvement.

5. Ownership: Treating areas of responsibility as personal domains encouraging empowerment.

6. Tension between Applied and Technical: Balancing practical execution with technical advice.

7. Balanced Commitment to Production and Management System: Focusing on achieving performance targets coupled with process quality.

8. Effective Relations with Support Groups: Building cross-functional communication to enhance collaborative efforts.

9. Measure Process Separately from Results: Distinction between performance indicators and outcome measures, promoting thorough diagnosis.

10. Consistent Leadership: Maintaining steady guidance aligned with lean principles.

Detailed Examination of Each Behavior

1. Passion for Lean:

   • Leaders must advocate for lean practices, be willing to adjust their management style, and encourage collective success across the company.

2. Disciplined Adherence to Process Accountability:

   • Emphasizes the importance of tracking outputs against defined processes to ensure accountability.

3. Project Management Orientation:

   • Involves creating defined processes to monitor task performance and address issues effectively.

4. Lean Thinking:

   • Leaders should be well-versed in lean tools and methodologies, ensuring they promote a lean culture.

5. Ownership:

   • Leaders see their work areas as their own, leading to an empowered workforce willing to contribute ideas and embrace changes.

6. Tension between Applied and Technical:

   • Effective leaders consider expert advice while focusing on practical implementation strategies for immediate improvements.

7. Balanced Commitment to Production and Management System:

   • Ensuring both production targets and lean management principles are achieved collaboratively.

8. Effective Relations with Support Groups:

   • Acknowledging the roles of other departments to promote cooperation in problem-solving and process improvements.

9. Measure Process Separately from Results:

   • Establishing metrics to track process efficacy, leading to greater insights on performance trends and root causes for deviations.

10. Consistent Leadership:

    • Steady and reliable guidance helps cultivate an organizational culture receptive to lean practices.

Leader Standard Work (LSW)

Definition and Purpose

• Leader Standard Work: A strategic approach to document core tasks that shift focus from results solely to an integrated focus on both results and process performance.

  • Expected outcomes and responsibilities are clearly defined, ensuring a structured leadership approach.

  • Specific LSW tasks vary based on the leader's area of influence, allowing for tailored applications across different levels of the organization.

Types of LSW

• Routine and Non-Routine LSW: Differentiation based on the nature of tasks required by higher-level executives and frontline leaders, ensuring appropriate models for each layer of management.

Visual Controls in Lean Management

Key Definitions

• Visual Controls: Instruments that illustrate how effectively work is executed against the expected standards, thereby enhancing focus on process adherence.

  • Different from visual management, which outlines procedural execution.

• Importance in Lean Systems: Visual controls offer real-time feedback on performance, facilitating immediate corrective actions and reinforcing lean practices.

Characteristics of Effective Visual Control Tools

• Simplicity and Accessibility: Easy to interpret, allowing for quick audits and corrections based on visual data displayed prominently on the shop floor.

  • Data captured should be done by those closest to the operational levels for accuracy and relevance.

• Variety of Styles: Customization of visual control charts and performance metrics to fit specific business needs and to present information meaningfully to involved team members.

• Categories of Visual Control Tools:

  • Production Pitch-Tracking Charts: Monitor output against set targets at defined intervals (hourly, daily). Includes actual output, variation, and reasons for discrepancies.

  • Job-by-Job Tracking Charts: Track specific tasks, including setup times and run times, comparing goals to actual performance.

  • Visual Control Boards: Manage tasks, prioritize jobs, and track progress against lean metrics and objectives (e.g., 5s compliance, Kanban completion).

Daily Accountability in Lean Practices

Focus and Importance

• Lean Orientation: Emphasis on continuous process monitoring and problem elimination as integral components of lean management.

  • Daily reviews of visual control data are crucial to identifying issues proactively.

• Direction for Improvement: Clearly outlined procedures for assigning responsibilities to address identified problems with timelines and resource allocations.

• Reinforcement of Lean Principles: Accountability mechanisms strengthen adherence to lean processes and ensure effective execution of standard practices.

Daily Meetings and Accountability Practices

1. Tier 1 Meetings: Conducted by team/group cell leaders to discuss staffing, performance updates, safety, quality, and employee suggestions.

   • Utilize a structured approach to ensure all areas are covered, including sharing previous day’s performance.

2. Tier 2 Meetings: Supervisors and department managers focus on running and improving business operations, reviewing weekly or monthly performance data across critical metrics.

3. Tier 3 Meetings: Top management discusses strategic initiatives and oversees trends in performance metrics, typically held weekly or bi-weekly.