MACHINE CHANGEOVER AND EPEI (MCE) SUITE
The Machine Changeover & EPEI (MCE) Suite is an advanced and integrated Excel‑based industrial engineering platform that supports flow‑oriented analysis in machine‑heavy operations and job shops. It helps engineers and operations teams evaluate changeover behaviour, understand machine and setter load, model lot‑size strategies, and quantify the real impact of EPEI, product mix, cycle times, and SMED targets on flow stability and performance. MCE is part of the Dumontis Codification suite: practical tools that translate operational expertise into powerful, field‑tested models that support better operations decisions.
Manufacturers in machine‑heavy environments and job shops face similar and recurring challenges when trying to create flow. This is caused by limited knowledge of and access to proper methods and tools, the use of improper approaches, a lack of data, and the use of fragmented spreadsheets. This typically results in variability, unbalanced WIP, poor flexibility, and long lead times. Typical shop floor challenges include:
Engineering and management teams face their own constraints:
The above creates a strong need for a structured, realistic, and accessible environment for analysing changeovers, evaluating EPEI, modelling lot sizes, and improving flow in machine‑heavy operations.
The MCE Suite provides a complete, structured environment for analysing changeovers, modelling lot sizes, evaluating EPEI, and improving flow in machine‑heavy operations. Its modular architecture supports scalable adoption and enables teams to work concurrently across machines, products, setters, and changeover data. The system consists of interconnected modules that together form a comprehensive workflow:
This modular system ensures consistency, scalability, and efficient teamwork across the entire changeover, EPEI, and flow‑improvement process.
MCE Suite differentiates itself through a unique combination of analytical depth, operational realism, and Excel‑native accessibility. It provides engineering‑grade modelling without the cost, rigidity, or overhead of enterprise systems, while avoiding the fragility and inconsistency of traditional spreadsheets. Key differentiators include:
These differentiators position MCE Suite as a robust and uniquely complete solution, delivering changeover‑, EPEI‑, and lot‑size‑driven insights that simply do not exist in today’s ERP, MES, APS, or OEE platforms.
CASE - TIER ONE AUTOMOTIVE SUPPLIER
When a major tier‑one automotive supplier faced growing delivery issues, the upstream injection‑moulding department had become a source of instability rather than control. Back orders were rising, premium freight had become routine, and customer trust was eroding. On the shop floor, the symptoms were unmistakable: storage areas overflowing while critical parts were missing, small‑train traffic blocked by excess WIP in the aisles, and a general sense that operations were being driven by firefighting instead of flow.
The first step was to restore basic stability. The team standardised mould‑to‑machine assignments, introduced visual end‑of‑line stock for every machine, and implemented fixed‑batch production to create predictable replenishment. These changes brought immediate clarity, but the underlying issues of tuning changeover frequency and lot‑size strategy to customer demand still needed to be understood.
Next, the team used an early version of the MCE Suite to analyse actual lot sizes, changeovers, machine load, and product‑mix demand across all injection‑moulding machines. By evaluating excess capacity, and define product‑level EPEI, they were able to redefine fixed batches for every tool and product. This made it possible to establish standard EOL stock levels, reorganise the layout, and introduce a fixed‑batch kanban system that finally put operations back under control.
Flow stabilised. Critical upstream parts became reliably available. Firefighting and rush orders faded. Within three months, back orders were reduced by more than seventy percent, delivery performance recovered, and inventories stabilised. The factory regained control — and customer confidence returned.
Curious how this approach helped transform a high‑mix injection‑moulding department into a predictable, stable, and flow‑driven operation?

SCREENSHOTS

Machine Changeover and EPEI Suite – System Menu

MCE Changeover Spread Chart

MCE Machine Summary Report

MCE Lot Size Bubble Chart

MCE Changeover Module Menu

MCE SMED Target Chart
ACCESS AND PRICING
Access to the MCE Suite is managed through the Dumontis License Manager Add‑in, which provides licensing and governance for all Codification tools. You can download or request the lightweight, macro-free add‑in and request activation for the MCE Suite. The Microsoft-certified Dumontis Add‑in is also available through the Microsoft Marketplace. The add-in is free of use.
MCE Suite is offered as a subscription at EUR 75 per user per month, billed annually in advance. For teams with more than ten users, pricing is available on request.
The Dumontis License Manager (the Add‑in) is free of use and required to activate MCE Suite.

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