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Technical Execution – Streamlining Changeover Reductions with Precision

3 minutes read · 17th October 2024

Part 2 of a 3 part series

Technical Execution – Streamlining Changeover Reductions with Precision

Leadership may set the stage for changeover reduction, but transformation cannot occur without strong technical execution. Changeovers are complex events that touch multiple aspects of manufacturing, from machinery to manpower. Executing them effectively requires a deep understanding of processes and the ability to simplify them in ways that eliminate unnecessary delays and downtime. 

Simplify the changeover process with SMED  

At the core of technical execution is Lean’s SMED (Single-Minute Exchange of Dies) methodology, which provides a structured approach to reducing changeover times. However, even with a powerful tool like SMED, the execution must be tailored to the specific needs of the manufacturing environment. 

Technical execution begins by mapping the entire changeover process and breaking it down into individual steps. This map should include all tasks, dependencies, and bottlenecks, allowing teams to see where delays occur and where opportunities for improvement lie. The next step is quantifying the process by gathering data on how long each step takes and which parts of the process are on the critical path. This data is invaluable for creating a Gantt chart that shows the overall timeline and helps identify where parallelization or elimination of tasks could lead to significant time savings. 

One of the core aspects of SMED involves asking the right questions about each step of the process. For example, what would need to be true to eliminate a specific step? Could certain activities be performed outside the critical path of the changeover, either before or after the event itself? Could tasks that are currently performed sequentially be done in parallel, thereby speeding up the entire process? 

For instance, in many cases, staging tools and materials in advance of a changeover can reduce time spent waiting for equipment or raw materials to be ready. Similarly, tasks such as quality checks or paperwork that typically happen during the changeover can often be moved outside the changeover window. This frees up valuable time and allows operators to focus on the critical activities that get production back online as quickly as possible. 

Create critical path visibility and empower frontline teams

Technical execution also requires empowering frontline teams. The best technical plans in the world won’t succeed if the people performing the tasks aren’t fully bought in or equipped to execute them. This means giving operators and supervisors clear visibility into the critical path of the changeover and empowering them to make real-time decisions that can accelerate progress. If a bottleneck occurs because a machine cleaning is taking longer than expected, for example, empowered teams can adjust resources on the fly to minimize downtime. 

Furthermore, changeover reduction is not just a production activity—it’s a team effort involving several departments. Technical execution requires collaboration with maintenance teams, quality control, and supply chain management to ensure that each department is aligned and ready to support the changeover process. Cross-departmental cooperation is essential to avoid delays caused by miscommunication or uncoordinated activities. 

Establish a campaign readiness process  

Finally, campaign readiness plays a crucial role in technical execution. This involves proactive planning to ensure that all necessary conditions are in place for changeovers to proceed efficiently. This could mean aligning the maintenance schedule to minimize disruption or ensuring that QC and QA teams are fully staffed and ready to perform their checks without causing delays. 

In summary, successful technical execution in changeover reduction is about more than just implementing a set of tools or processes—it’s about creating a culture of efficiency and collaboration. Read Chartwell’s full whitepaper for greater detail on how to optimize technical execution for lasting success in changeover reduction.

 

Download the full whitepaper

For the latest changeover reduction insights, download Chartwell’s Key to Unlocking Changeover Reduction Success whitepaper.

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