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Reducing Changeover Times: How Video Analytics Achieve SMED Targets

This comprehensive article explores how video analytics technology revolutionizes 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 the most frequently asked questions.

By

Tomas Rencoret

in

|

14 minutes

For production supervisors, the pressure to reduce changeover times while maintaining quality and safety standards creates a daily operational challenge. This is especially true when managing 50-200+ product switches weekly (Source: Spot AI). Achieving 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 challenges, delivering live monitoring, automated SOP adherence tracking, and actionable intelligence that help production teams achieve 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 comprehensive metric measuring machine, production line, or facility efficiency by combining three factors: availability, performance, and quality. OEE delivers a complete view of production effectiveness beyond simple output measurements.

The real cost of inefficient changeovers in manufacturing

Production supervisors face mounting pressure as changeover inefficiencies compound across shifts. Plant managers find that changeover times routinely triple during night shifts, with SKU proliferation demanding 50-200+ product switches weekly (Source: Spot AI). This creates a cascade of operational challenges that directly impact key performance metrics.

The financial implications are staggering. 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 challenge 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. Production supervisors find themselves caught between upper management demanding better metrics and floor workers struggling with inadequate tools and visibility.

Core challenges production supervisors face with changeovers

Managing changeover complexity without live visibility

Production supervisors 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 supervisors often discover problems only after significant delays have occurred.

The complexity multiplies when managing multi-zone coverage. Supervisors must rely on incomplete information from team leads or outdated systems to understand what's happening across their entire area of responsibility. This fragmented view makes it extremely 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 persistent challenge. 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, supervisors struggle to implement effective corrective actions or deliver targeted training.

Administrative burden limiting improvement efforts

Current CCTV systems require manual review after incidents occur, making it extremely challenging to catch procedural violations as they happen. Supervisors 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 proactive 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 systems fundamentally change how production supervisors manage changeovers. Spot AI's Changeover SOP Adherence system recognizes each step as it happens, tracks adherence, delivers scorecards, and offers shift recaps that keep every changeover on pace and uniform.

This technology addresses the core challenge of blind spots during off-shifts. It delivers continuous monitoring across all production areas. Supervisors receive instant notifications on their phones about critical events happening anywhere in their production area, even when they're not physically present. The system 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 eliminating changeover bottlenecks

Advanced analytics systems 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"

Immediate bottleneck identification enables rapid response before constraints significantly impact production. Alerts include specific recommendations for addressing identified bottlenecks, allowing supervisors to direct resources precisely where needed.

Data-driven continuous improvement

Video AI reduces investigation time by up to 95% compared to manual review through intelligent search capabilities, enabling searches for specific events like "changeover delays on Line 3" in seconds. This dramatic reduction in administrative burden frees supervisors to focus on optimization rather than documentation.

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

  • 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 delivers 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 system 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 immediate 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 delivers 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, enabling immediate coaching interventions.

Phase 4: Ongoing optimization and standardization

Video analytics converts one-time gains into sustained operational excellence. By monitoring performance consistently, the system identifies when changeover times begin to drift and delivers early warning before problems escalate.

Digital work instructions integrated with video monitoring ensure procedures are followed consistently. These systems:

  • Automatically deliver correct procedures based on product codes

  • Include images and videos for complex steps

  • Offer interactive guidance in multiple languages

  • Track completion of each changeover step

Measuring success: KPIs and performance metrics

Tracking changeover time improvements

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

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

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

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

Video analytics delivers 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 achieve 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, OEE results above 85% represent the gold standard (Source: Nexelem).

ROI calculation and cost savings

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

  • Productivity increased 18% with overtime costs dropping by 70% at AKR Components (Source: Spot AI)

  • Companies report annual savings of $30,000 on replacement parts and $230,000 in scrap reduction per line (Source: IFM)

  • Labor cost savings alone can justify investment, with some companies achieving 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 intelligence

  • Enhanced employee morale from reduced frustration

Best practices for video analytics-enabled SMED

Building cross-functional implementation teams

Leading manufacturers achieve 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 delivering:

  • 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 systems 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 systems work with video monitoring to ensure standardized execution regardless of operator experience level.

Ensuring sustainable improvements

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

  • Automated compliance monitoring that never fatigues

  • Instant feedback when procedures drift

  • Ongoing benchmarking against best performance

  • Data-driven coaching opportunities

Replace paper-based procedures with digital systems that automatically adapt based on 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 immediate insights

Current systems use 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 punitive 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 achieve 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 delivers an unprecedented level of standardization by providing the same objective monitoring capabilities across all locations.

Optimize your changeover performance with intelligent video analytics

Production supervisors struggling with inconsistent changeover times, blind spots during off-shifts, and excessive administrative burdens now have access to technology that addresses each challenge directly.

Video analytics combined with SMED methodology delivers measurable results, including 65% reductions in changeover times at facilities like AKR Components and up to 95% faster incident investigations (Source: Spot AI). Other facilities report sustained OEE gains of 5-15% annually (Source: eMaint). More importantly, it delivers the live visibility and data-driven information needed to achieve uniform sub-10-minute changeovers across all shifts.

Take the next step toward consistent sub-10-minute changeovers. Schedule a consultation with our manufacturing experts to discover how video analytics can enhance 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 delivering 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 using 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 comprehensive baseline measurements using video documentation to identify 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. Most importantly, apply data-driven findings to create "Gold-Standard" SOPs from your highest-performing runs.

How does video analytics boost production efficiency?

Video analytics delivers ongoing monitoring across all production areas, eliminating blind spots during off-shifts. The technology reduces incident investigation time by up to 95%, identifies bottlenecks that shift based on product mix or shift patterns, and monitors SOP adherence live (Source: Spot AI). By creating searchable databases of all events, supervisors can quickly identify patterns and root causes. This converts reactive troubleshooting into proactive optimization, typically achieving 5-15% annual OEE gains (Source: eMaint).

What technologies can help minimize downtime in manufacturing?

Modern video AI systems with computer vision capabilities deliver a powerful solution for minimizing downtime. These systems integrate with existing cameras to monitor changeover processes, detect deviations from SOPs, and alert supervisors to delays instantly. Additional technologies include IoT sensors for predictive maintenance, 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 eliminate bottlenecks using immediate 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 immediate feedback.


About the author

Tomas Rencoret leads the Growth Marketing team at Spot AI. He specializes in helping safety and operations teams apply video AI to reduce safety and security incidents while boosting productivity.

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