In aluminium cold rolling, maintaining precise additive concentration in the rolling oil is critical to producing top-quality aluminium. Spectrolytic FluidInspectIR® provides a data-driven solution that delivers additive concentration data in real time — enabling the transition from slow, outsourced lab sampling to timely, evidence-based top-up decisions.
This case study highlights a proven application where FluidInspectIR® has delivered significant operational and financial benefits.
The Challenge
Additive concentration in rolling oil is time-critical for producing top-quality aluminium. The challenge was a reliance on slow, outsourced lab sampling — resulting in:
- Outsourced lab sampling taking too long to return results
- Delayed additive top-up decisions affecting product quality
- Valuable human assets consumed by routine oil sampling
- Skilled technician time diverted away from value-add activities
The operator required real-time additive concentration data to make timely top-up decisions and free up skilled staff for higher-value work.
The Solution
A Spectrolytic FluidInspectIR® system was installed to provide continuous, real-time monitoring of rolling oil additive concentration. Using mid-IR based chemical analysis, the system matches laboratory accuracy and delivers additive concentration data inline — enabling timely top-up decisions without waiting for outsourced results.
This enabled a shift toward evidence-based additive management and opens the pathway to fully automated additivation.
Implementation
- Installation on the aluminium cold rolling line
- Continuous real-time monitoring of rolling oil additive concentration
- Inline data delivered at laboratory-equivalent accuracy
- Trending of additive concentration against scheduled top-up events
Results
The deployment delivered clear, measurable outcomes:
- Additive concentration data delivered in real time, at laboratory-equivalent accuracy
- Enabled timely additive top-up decisions for consistent product quality
- Freed up technician time for higher-value tasks
- Opened the pathway to fully automated additivation in the future
- Reduced oil analysis costs by replacing outsourced sampling
Operational Impact
- Reduced oil analysis costs through replacement of outsourced sampling
- Freed up skilled technician time for higher-value activities
- Improved product quality through timely additive management
- Increased confidence in maintenance and additive decision-making
- Established the pathway toward fully automated additivation
Key Insight
FluidInspectIR® provided the actionable, real-time data validation required to manage additive concentration as conditions changed. Rather than waiting on slow outsourced lab results, the operator could make top-up decisions based on actual additive condition in real time — while freeing staff from routine sampling.
Financial Benefits
- Reduced oil analysis costs
- Freed staff & enabled automation
Conclusion
Spectrolytic FluidInspectIR® enables aluminium cold rolling operators to move beyond slow outsourced sampling and manage additive concentration with real-time, lab-equivalent data.
The result is a measurable combination of reduced analysis costs, improved product quality, and freed-up skilled resource — supported by real, actionable data.
Real-time additive monitoring is no longer just a maintenance improvement — it is a strategic pathway to automated additivation and consistent quality.
Organisations adopting advanced monitoring solutions such as Spectrolytic FluidInspectIR® today will be best positioned to manage volatility and optimise performance tomorrow.