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Stäubli multi-couplings reduce downtime and improve efficiency at Eaton

“The large number of repetitive and physically demanding operation sequences involved in connecting and disconnecting hoses and connections is now a thing of the past. The working ergonomics for our employees have clearly improved.”

Denis Paquet, Methods Technician, Eaton Corporation

The partner

Eaton Corporation is one of the global providers of electrical, hydraulic, and mechanical energy management solutions. Within its French injection molding facility, Eaton manufactures high‑precision plastic components used in industrial and construction applications. These components often require millimeter‑level accuracy, meaning process stability, repeatability, and thermal control are critical for quality output.

The application

Eaton’s French headquarters specializes in injection molding to produce plastic components of all forms and surfaces including structures that require millimeter-accuracy for clients in the building construction industry.

Eaton’s mold changes slowed by manual, high‑risk hose handling

Lost productivity from downtime

Their prior cooling system for their molding machinery required employees to switch couplings one at a time, leading to excessive downtime in the molding process and lost productivity.

When cooling slows production

Plastic injection molding is a highly competitive industry, shaped by the need for flexibility, high quality standards, strict safety requirements, minimal downtime, fast mold changeovers, and stable thermal conditions. In this environment, cooling circuits play a critical role in ensuring mold reliability and consistent part quality. However, when multiple hoses must be connected individually, the risk of misconnections, coolant spillage, and fluid loss increases significantly—leading to operator fatigue and unplanned interruptions in the production cycle. To overcome these challenges, Eaton was looking for a solution that could simplify the entire connection process while simultaneously improving day to day ergonomics for shop floor teams.

Stäubli’s multi‑coupling system streamlines Eaton’s thermal circuits

Operational gains for Eaton

Eaton’s high‑variety production lines require frequent mold changes, meaning any improvement directly impacts output. Stäubli’s system:

Speeds up cooling circuit setup
Enhances thermal consistency from the first shot
Reduces operator strain
Supports sustainability through reduced coolant waste
Seamlessly integrates with Eaton’s manufacturing environment

Frequent mold changes amplify the pressure on cooling circuits, making any delay or instability directly impactful on output quality and production efficiency.

RMI multi

Modular manual multi couplings plate

Discover RMI

A natural fit for Eaton

By enabling all cooling lines to connect simultaneously, ensuring leak‑free operation, and improving thermal stabilization from the very first shot, the solution supports Eaton’s need for speed, repeatability, and operator comfort.

This alignment between technical performance and day‑to‑day operational demands makes the multi‑coupling module a natural fit for Eaton’s production workflow.

Measurable gains for Eaton

cooling lines connected simultaneously

The solution enables operators to connect or disconnect up to 12 hoses at once, eliminating repetitive manual steps and reducing the risk of errors.

on mold change process gain

With the Stäubli multi coupling system, Eaton cut the time required for hose switching operations directly improving productivity.

Quantified performance gains

Eaton recorded several significant results following the implementation of the Stäubli solution:

Up to 40% reduction in process downtime related to hose switching during mold changes
Elimination of coolant spills, reducing cleanup time and creating a safer environment
Smoother, faster transitions between production runs
Improved operator ergonomics, due to the reduction of repetitive, strenuous movements

Qualitative advantages

Eaton also saw benefits that extended beyond strictly measurable metrics, including a stronger sense of control over the stability of initial cycle temperatures, a sustained improvement in overall workflow continuity, a noticeably cleaner and more efficiently organized floor environment, a significant reduction in weak points across their cooling systems, and a marked increase in operator comfort and overall satisfaction.

Before/After comparison table

Criterion	Before Stäubli (manual hoses)	After Stäubli (multi‑coupling)
Number of actions	12 individual connections	1 centralized lever action
Downtime impact	High	Reduced
Operator ergonomics	Repetitive strain	Strongly improved
Risk of connection errors	Possible	Eliminated

Get in touch with our specialist!

Interested in learning how we supported Eaton in this latest success story? Our teams are ready to help you tackle your safety, performance, and operational challenges and explore how similar solutions can drive results for your business.

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