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Reducing Changeover Times: How Video Analytics Achieve SMED Targets

This article explains how video analytics technology streamlines changeover optimization in manufacturing, enabling supervisors to achieve SMED (Single-Minute Exchange of Die) targets and reduce costly downtime. It covers the fundamentals of SMED, the financial impact of inefficient changeovers, common challenges in SOP adherence, and how AI-powered video monitoring delivers measurable improvements in OEE, ROI, and operational consistency. The article provides actionable steps for implementing SMED with video analytics, best practices for sustainable change, and answers to common questions.

By

Tomas Rencoret

in

|

14 minutes

For manufacturing managers, the pressure to reduce changeover times while maintaining quality and safety standards creates a daily operational hurdle. This is especially true when managing 50-200+ product switches weekly (Source: Spot AI). Reaching SMED (Single-Minute Exchange of Die) targets becomes extremely difficult when changeover times routinely triple during night shifts and inconsistent SOP adherence leads to extended downtimes.

Video analytics technology offers a data-driven solution to these changeover hurdles, providing live monitoring, automated SOP adherence tracking, and operational data that help production teams attain consistent sub-10-minute changeovers across all shifts.

Understanding SMED and changeover optimization fundamentals

To understand how video analytics accelerates changeover improvements, it's essential to grasp the core concepts that drive manufacturing efficiency:

  • SMED (Single-Minute Exchange of Die): A structured methodology developed by Shigeo Shingo at Toyota that systematically reduces changeover times to single-digit minutes—under 10 minutes. The approach separates changeover activities into internal tasks (performed only when equipment is stopped) and external tasks (performed while machines are running.).

  • Changeover Time: The total duration from the last good part of the previous production run to the first good part of the next run. This includes all setup, adjustment, and validation activities required to switch between different products or SKUs.

  • Internal vs. External Activities: Internal activities include tasks like removing/installing molds, adjusting machine settings, and cleaning machines. External activities encompass retrieving/preparing parts, assembling fixtures, and other tasks that can be performed while equipment is still running the previous job.

  • OEE (Overall Equipment Effectiveness): A metric measuring machine, production line, or facility efficiency by combining three factors: availability, performance, and quality. OEE provides a complete view of production effectiveness beyond simple output measurements.


The real cost of inefficient changeovers in manufacturing

Operations managers face mounting pressure as changeover inefficiencies compound across shifts. They find that changeover times routinely triple during night shifts, with SKU proliferation demanding 50-200+ product switches weekly (Source: Spot AI). This creates a series of operational hurdles that directly affect performance metrics.

The financial implications are substantial. A changeover that extends from 30 minutes to 90 minutes during the night shift can represent $240,000 in lost productivity, as every minute of downtime costs approximately $4,000 for large plants (Source: McKinsey). Multiply this across dozens of changeovers weekly, and the annual impact reaches millions in lost revenue.

Beyond direct costs, inefficient changeovers create ripple effects throughout the operation:

  1. Reduced OEE scores that reflect poorly on management capabilities

  2. Increased overtime costs as teams struggle to meet production targets

  3. Higher defect rates from rushed or improperly executed procedures

  4. Safety risks as workers cut corners under time pressure

  5. Employee frustration leading to turnover and training costs

The complexity intensifies with current manufacturing demands. Shorter product lifecycles, increased customization, and just-in-time delivery requirements mean more frequent changeovers with less margin for error. Operations managers must balance demands from upper management for better metrics with their teams’ struggles using inadequate tools and visibility.


Core challenges manufacturing teams face with changeovers

Managing changeover complexity without live visibility

Managers cannot physically monitor all areas during 2nd and 3rd shifts, creating blind spots that lead to extended downtimes. Orchestrating smooth transitions between SKUs requires precise timing and adherence to procedures. Lack of live visibility into changeover progress means they often discover problems only after major delays have occurred.

The complexity multiplies when managing multi-zone coverage. They must rely on incomplete information from their teams or outdated systems to understand what's happening across their entire area of responsibility. This fragmented view makes it difficult to identify bottlenecks or intervene before minor issues become major delays.

Inconsistent SOP adherence across shifts

Workers cutting corners or deviating from standard operating procedures when not directly supervised creates a recurring issue. Night shift operations face a combination of fatigue, limited support, and inadequate monitoring that significantly extends routine changeovers. What should be a 20-minute changeover stretches to an hour or more as procedures are skipped, tools are misplaced, or settings are incorrectly adjusted.

The lack of visual evidence makes it difficult to identify root causes when changeover times exceed targets. Without concrete data showing exactly where procedures diverged, managers struggle to implement effective coaching or deliver targeted training.

Administrative burden limiting improvement efforts

Traditional camera systems require manual review after incidents occur, making it tough to catch procedural violations as they happen. Managers spend hours reviewing footage for incident investigations and generating compliance reports instead of focusing on production optimization and team coaching. This reactive approach means problems are addressed only after they've impacted production metrics.

The excessive time spent on administrative tasks perpetuates the problem. Less time for forward-looking optimization means more problems, which generate more incidents requiring investigation, further reducing time available for optimization efforts.


How video analytics reshapes changeover performance

Live monitoring and automated SOP tracking

Advanced video AI platforms fundamentally change how operations managers manage changeovers. Spot AI's Changeover SOP Adherence system monitors each phase of the process, tracks adherence, delivers scorecards, and offers shift recaps that keep every changeover on pace and uniform.

This technology addresses the core obstacle of blind spots during off-shifts. It provides continuous monitoring across all production areas. Supervisors receive real-time notifications on their phones about critical events happening anywhere in their production area, even when they're not physically present. The technology monitors changeover processes through secure, isolated camera networks that don't interact with industrial control systems, ensuring operational continuity while improving visibility.

By benchmarking performance, video analytics standardizes "best shift" practices and creates a "Gold-Standard" SOP from highest-performing runs. This converts tribal knowledge into teachable, auditable standards that can be uniformly applied across all shifts.

Identifying and addressing changeover bottlenecks

Advanced analytics platforms process complex manufacturing data to identify bottlenecks that shift based on product mix, shift patterns, or seasonal variations—insights that static analysis methods often miss. Video AI excels by continuously observing throughput rates at each station, detecting unusual dwell times, and identifying where work accumulates.

The technology exposes hidden process waste through computer vision analytics that detect:

  • Inefficient movement patterns during tool changes

  • Excessive waiting times between changeover steps

  • Unnecessary motion that adds minutes without value

  • Underutilized resources through templates like "Vehicle Absent" or "Forklift Absent"

Rapid bottleneck identification enables rapid response before constraints materially impact production. Alerts provide the data needed to address identified bottlenecks, allowing them to direct resources precisely where needed.

Data-driven continuous improvement

Video AI can drastically reduce investigation time compared to manual review through intelligent search capabilities, enabling searches for specific events like "changeover delays on Line 3" in seconds. This considerable reduction in administrative burden frees them to focus on optimization rather than documentation.

The platform automatically captures and categorizes detected events with video evidence, creating a searchable database for identifying patterns, trends, and root causes of recurring issues. This data-driven approach supports:

  • Quantified comparisons between shifts and operators

  • Identification of best practices from top performers

  • Evidence-based coaching opportunities

  • Measurable tracking of optimization initiatives


Implementing SMED methodology with video analytics support

Phase 1: Establishing baseline measurements

Successful SMED implementation begins with comprehensive baseline measurements. Video analytics provides an objective foundation by automatically documenting current changeover processes across all shifts. Key measurements captured include:

  • Time measurements for each individual step

  • Variations between different operators and shifts

  • Identification of which steps take longest on night shift

  • Opportunities to convert internal to external activities

This automated documentation eliminates the subjectivity and incompleteness of manual observation, creating a data-rich starting point for optimization efforts.

Phase 2: Separating internal and external activities

Video analytics excels at identifying activities that could be performed while equipment is still running. The technology observes patterns like operators retrieving tools after machines stop, materials being prepared during downtime, or fixtures being assembled while production lines sit idle.

Common opportunities identified through video analysis include:

  • Pre-assembling tools and fixtures while machines run previous jobs

  • Retrieving and preparing materials in advance for timey placement

  • Completing paperwork and documentation before shutdown

  • Staging cleaning supplies and equipment at workstations

Phase 3: Converting and streamlining activities

With clear visibility into current practices, teams can systematically convert internal activities to external ones. Video analytics offers ongoing feedback on the effectiveness of changes, showing exactly how modifications impact overall changeover time.

Key strategies proven effective include:

  • Creating toolkits or job carts with all necessary items ready to go

  • Implementing quick-release mechanisms verified through video monitoring

  • Establishing modular fixtures with visual confirmation of proper setup

  • Deploying color-coded systems monitored for compliance

The technology tracks adoption rates and identifies when workers revert to old habits, allowing for timely coaching interventions.

Phase 4: Ongoing optimization and standardization

Video analytics converts one-time gains into sustained high performance. By monitoring performance consistently, the platform identifies when changeover times begin to drift and sends alerts when performance deviates.


Measuring success: KPIs and performance metrics

Tracking changeover time improvements

Manufacturing facilities implementing integrated video analytics with SMED methodology report notable measurable results:

  • AKR Components realized a 65% reduction in changeover times, resulting in $120,000 in savings within 6 months (Source: Spot AI).

  • Belgian plastics manufacturers attained a 22% reduction in average changeovers across twelve workcenters, lifting OEE by nine points (Source: Spot AI).

  • Production scheduling software combined with SMED techniques helped plants reduce changeover times by 20% or more (Source: Spot AI).

Video analytics enables granular tracking of these gains through automated time studies that capture:

  • Setup time by product type across all shifts

  • Individual step durations with variance analysis

  • Compliance rates with optimized procedures

  • Trending data showing sustained progress

Impact on overall equipment effectiveness (OEE)

OEE gains directly correlate with changeover optimization. Facilities that implement video analytics solutions typically see 5-15% annual OEE gains through quantified optimization opportunities (Source: eMaint).

The technology allows for precise measurement of OEE components:

  • Availability: Reduced downtime from faster changeovers

  • Performance: Uniform execution of optimized procedures

  • Quality: Fewer defects from proper setup verification

In some sectors, achieving high OEE results represents the gold standard for operational efficiency.

ROI calculation and cost savings

The financial returns from video analytics-enhanced SMED implementation are considerable:

  • Productivity increased 18% while overtime costs dropped by 70% at AKR Components (Source: Spot AI).

  • Companies can realize substantial savings from reduced scrap and fewer replacement parts.

  • Labor cost savings alone can justify the investment, with some companies realizing a complete payback within one year (Source: Spot AI).

Beyond direct savings, facilities report indirect benefits including:

  • Faster worker onboarding through visual training materials

  • Enhanced safety conditions from consistent procedures

  • Accelerated innovation through data-driven analysis

  • Enhanced employee morale from reduced frustration


Best practices for video analytics-enabled SMED

Building cross-functional implementation teams

Leading manufacturers attain uniform changeover times across all shifts through structured approaches. Form cross-functional SMED teams including representatives from all shifts, with teams of 6-7 people combining maintenance, production, and engineering expertise (Source: Spot AI).

Video analytics supports these teams by providing:

  • Objective performance data eliminating finger-pointing

  • Visual evidence for constructive discussions

  • Benchmarking capabilities across different teams

  • Progress tracking for optimization initiatives

Creating visual management systems

Visual controls transcend language barriers and fatigue-induced errors. Effective visual methods monitored through video analytics include:

  • Color-coded setup cards for each product

  • Visual signals indicating changeover progress

  • Live status boards showing target vs. actual times

  • Digital displays with step-by-step guidance

These visual tools work with video monitoring to support standardized execution regardless of operator experience level.

Driving sustainable improvements

Sustainability requires embedding improvements into daily operations. Video analytics supports this through:

  • Automated compliance monitoring that never fatigues

  • Timely feedback when procedures drift

  • Ongoing benchmarking against best performance

  • Data-driven coaching opportunities

Replace paper-based procedures with digital platforms that can be updated using real-world performance data.

Technology integration considerations

Successful implementation requires thoughtful technology integration:

  • Network segmentation: Maintain complete separation between video systems and critical PLCs

  • Phased deployment: Begin with proof of concepts for risk management

  • API integration: Connect with existing MES and ERP systems

  • Edge computing: Process data locally for rapid analysis

Current platforms employ standardized APIs and industry protocols like OPC UA and ISA-95 to create seamless data flows without compromising security.


Overcoming common implementation challenges

Addressing workforce concerns

Employees may initially resist video monitoring, fearing disciplinary use. Successful implementations focus on:

  • Positioning technology as a coaching tool rather than a disciplinary one

  • Sharing success metrics that benefit workers (reduced overtime, easier jobs)

  • Involving operators in identifying improvement opportunities

  • Celebrating wins when teams reach new performance records

Managing technology adoption

Successful adoption requires thorough planning beyond installing cameras. Key success factors include:

  • Thorough training on system capabilities

  • Clear escalation procedures for identified issues

  • Regular review meetings using video evidence constructively

  • Ongoing refinement of alert thresholds

Start with a single production line or high-value product to demonstrate success before expanding deployment.

Scaling across multiple facilities

Once proven in one area, organizations can scale improvements across facilities:

  • Standardize best practices identified through video analysis

  • Create playbooks with visual documentation

  • Establish performance benchmarks across locations

  • Share success stories to build momentum

Video analytics enables a high level of standardization by offering the same objective monitoring capabilities across all locations.


Optimize your changeover performance with intelligent video analytics

Operations managers struggling with inconsistent changeover times, blind spots during off-shifts, and excessive administrative burdens now have access to technology that addresses each pain point directly.

Video analytics combined with SMED methodology yields measurable results, including 65% reductions in changeover times at facilities like AKR Components and markedly faster incident investigations (Source: Spot AI). Other facilities report sustained OEE gains of 5-15% annually (Source: eMaint). The technology also provides the live visibility and data-driven information needed to attain uniform sub-10-minute changeovers across all shifts.

Ready to see how video AI can help you reach consistent sub-10-minute changeovers? Request a demo to experience Spot AI in action and explore its impact on your production workflows.


Frequently asked questions

How can I reduce changeover time in manufacturing?

Start by implementing SMED methodology: separate internal and external activities, convert internal tasks to external where possible, and streamline remaining internal activities. Video analytics accelerates this process by providing automated time studies, identifying bottlenecks as they happen, and monitoring SOP adherence across all shifts. Focus on creating standardized procedures, pre-staging tools and materials, and with visual management systems to guide operators through optimized sequences.

What are the best practices for implementing SMED?

Form cross-functional teams of 6-7 people including maintenance, production, and engineering representatives from all shifts (Source: Spot AI). Begin with detailed baseline measurements using video documentation to identify the current state. Deploy visual management systems with color-coded setup cards and live status boards. Replace paper procedures with digital work instructions that track completion of each step. Crucially, apply data-driven findings to create "Gold-Standard" SOPs from your highest-performing runs.

How does video analytics boost production efficiency?

Video analytics provides ongoing monitoring across all production areas, reducing blind spots during off-shifts. The technology can drastically reduce incident investigation time, identifies bottlenecks that shift based on product mix or shift patterns, and monitors SOP adherence live (Source: Spot AI). By creating searchable databases of detected events, supervisors can quickly identify patterns and root causes. This converts reactive troubleshooting into insight-driven optimization, typically resulting in 5-15% annual OEE gains (Source: eMaint).

What technologies can help minimize downtime in manufacturing?

Advanced video AI platforms with computer vision capabilities offer a powerful solution for minimizing downtime. These solutions integrate with existing cameras to monitor changeover processes, detect deviations from SOPs, and alert supervisors to delays in real time. Additional technologies include digital work instruction systems, and MES-ERP integration for seamless data flow.

What are the key steps in optimizing production processes?

Production optimization follows a systematic approach: First, establish baseline measurements through automated monitoring. Second, identify and address bottlenecks with real-time analytics. Third, standardize best practices by creating digital SOPs from top-performing shifts. Fourth, implement visual management systems for consistent execution. Fifth, monitor performance consistently with automated alerts for deviations. Finally, apply data-driven findings to drive ongoing optimization. Video analytics facilitates each step by delivering objective, ongoing measurement and timely feedback.

How does video AI ensure the security of industrial control systems (ICS)?

Video AI solutions are designed for security, often operating on secure, isolated camera networks that do not interact with critical industrial control systems or PLCs. This network segmentation, a key technology integration best practice mentioned in the article, ensures that video monitoring provides visibility without creating new vulnerabilities for your core operational technology.

Can video analytics help with employee training for changeovers?

Yes. By establishing a "Gold-Standard" SOP from the highest-performing runs, video analytics provides a visual, teachable benchmark. As the article notes, this converts tribal knowledge into a standardized, repeatable process. The footage can be used in training materials to assist with faster worker onboarding and evidence-based coaching.


About the author

Tomas Rencoret leads the Growth Marketing team at Spot AI, where he helps safety and operations teams use video AI to cut safety and security incidents as well as boost productivity.

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