Understanding the Difference Between Legacy MES and Next-Gen MES: A Guide for Manufacturing Professionals | Additive Manufacturing (AM)
- Authentise Team
- Feb 8
- 3 min read
TL;DR
Legacy MES systems often struggle with integration and flexibility.
Next-gen MES offers enhanced data analytics and real-time insights.
Transitioning to next-gen MES can significantly improve operational efficiency.
Key performance indicators (KPIs) are essential for measuring success.
Avoid common pitfalls by engaging stakeholders and ensuring proper training.
In the rapidly evolving landscape of manufacturing, understanding the differences between legacy Manufacturing Execution Systems (MES) and next-gen MES is crucial for businesses aiming to enhance operational efficiency. Legacy MES systems typically lack the ability to integrate seamlessly with modern technologies, limiting flexibility and responsiveness. In contrast, next-gen MES leverages cloud computing, advanced analytics, and real-time data to provide manufacturers with the agility needed to thrive in competitive markets. This article delves into the nuances of these systems to help you make informed decisions for your manufacturing operations.
Why This Matters
The choice between legacy and next-gen MES can significantly impact your manufacturing processes. As industries increasingly adopt smart manufacturing practices, the need for systems that can adapt to changes and integrate with other technologies becomes paramount. Next-gen MES systems not only streamline operations but also enhance data visibility, enabling better decision-making and responsiveness to market demands. For manufacturing professionals, understanding these differences can lead to substantial improvements in productivity, cost savings, and overall competitiveness.
How It Works / What to Consider
Key Differences
Integration: Legacy MES systems often operate in silos, making it difficult to share data across platforms. Next-gen MES, on the other hand, is designed for interoperability, allowing seamless data exchange with other systems like Enterprise Resource Planning (ERP) and Supply Chain Management (SCM).
Scalability: Legacy systems can be cumbersome and challenging to scale. Next-gen MES solutions are typically cloud-based, offering greater scalability and flexibility to adapt to changing business needs.
Data Analytics: Next-gen MES incorporates advanced analytics and machine learning, providing deeper insights into production processes. This capability enables predictive maintenance and optimises production schedules, which legacy systems cannot offer.
INDUSTRY INSIGHT
Automotive Manufacturing: Manufacturers adopting modern MES typically report improvements such as reduced downtime and better machine utilisation, driven by real-time visibility and automated data capture..
Aerospace Industry: Aerospace firms increasingly rely on digital manufacturing systems to tighten traceability, streamline compliance, and reduce defects through connected inspection data.
Step-by-Step or Checklist
Assess Current Systems: Evaluate the limitations of your legacy MES.
Define Goals: Identify what you want to achieve with a next-gen MES (e.g., improved efficiency, better data integration).
Engage Stakeholders: Involve all relevant teams early in the decision-making process.
Research Solutions: Compare different next-gen MES providers based on your needs.
Plan for Integration: Ensure the new system can integrate with existing technologies.
Implement Gradually: Consider a phased approach to minimise disruption.
Train Employees: Provide comprehensive training to ensure a smooth transition.
Monitor Performance: Establish KPIs to track the effectiveness of the new system.
Gather Feedback: Regularly seek input from users to identify areas for improvement.
KPIs & Measurement
Overall Equipment Effectiveness (OEE): Aim for a typical range of 85% and above.
Production Cycle Time: Measure reductions; typical targets are 10-30% improvement.
Downtime: Monitor and aim for a reduction of at least 20%.
Quality Rate: Track defect rates, aiming for less than 1% in high-precision manufacturing.
Common Pitfalls & Fixes
Inadequate Training: Ensure all users are well-trained to maximise system benefits.
Ignoring User Feedback: Regularly solicit feedback to make necessary adjustments.
Overlooking Integration Needs: Prioritise compatibility with existing systems to avoid data silos.
Underestimating Change Management: Prepare for cultural shifts within the organisation to embrace new technologies.
Quick FAQ
Q1: What is a legacy MES?
A legacy MES is an older manufacturing execution system that often lacks modern capabilities like cloud integration and real-time data analytics.
Q2: What are the benefits of next-gen MES?
Next-gen MES systems offer improved data integration, scalability, real-time insights, and advanced analytics, leading to enhanced productivity and decision-making.
Q3: How can I transition from legacy to next-gen MES?
Begin by assessing your current system, defining your goals, engaging stakeholders, and choosing a solution that fits your needs.
Q4: What KPIs should I track after implementing next-gen MES?
Key KPIs include Overall Equipment Effectiveness (OEE), production cycle time, downtime, and quality rate.
In conclusion, understanding the differences between legacy MES and next-gen MES is vital for manufacturing professionals looking to optimise their operations. Transitioning to a next-gen MES can significantly enhance efficiency, data visibility, and overall competitiveness.
For more insights on safeguarding your operations, check out our article on protecting your digital IP - The Silent Risk in Additive Manufacturing: How to Protect Your Digital IP.

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