Aerospace

Cutting Inspection Cycle Times at Safran Landing Systems with Metrolog and REVO

Safran Landing Systems Mirabel manufactures landing gear boxes for large commercial aircraft — parts defined by extreme tolerances, large dimensions, and complex geometries. By combining Metrolog with Renishaw’s REVO 5-axis technology, they transformed their CMM inspection processes.

-50%

CMM inspection cycle time reduction

100%

of parts migrated to REVO technology

↓

operator set-ups and interventions

↓

programming and analysis times

The Industrial Challenge

Safran Landing Systems, located in Mirabel (Canada), manufactures landing gear boxes for medium and large commercial aircraft. These parts present exceptional inspection challenges: large dimensions, significant distortions from hardening, and deep cylinders with complex orientations make measurement with conventional indexable heads extremely difficult.

Each part carries a high number of tolerances to be verified, generating considerable measurement volumes and long cycle times on the CMMs in use. As the teams transitioned one of their machining processes to 5-axis strategies, they identified a parallel opportunity in inspection: adopting a REVO 5-axis scanning head from Renishaw.

Objective

Reduce inspection cycle times by 50% while maintaining Safran’s high quality standards — without compromising repeatability on complex geometries.

Metrolog is one of the only software solutions capable of integrating all REVO sensors and offers intuitive programming thanks to its numerous graphical wizards. Its powerful programming engine, capable of handling the most complex scenarios, coupled with its user-friendly interface, makes Metrolog the go-to software for harnessing the full potential of the REVO.

Valentin Joseph

Regional Key Account Manager, Metrologic DCS

Integrated Technology Synergy

Metrolog ○ Metrologic DCS

Native REVO integration and intuitive 5-axis programming

Metrolog is one of the only software solutions capable of natively integrating all REVO sensors. Its powerful programming engine handles the most complex 5-axis trajectories through graphical wizards, making it the go-to platform for harnessing the full potential of the REVO head.

REVO ○ Renishaw

High-speed 5-axis scanning for complex aerospace geometries

The REVO 5-axis scanning head minimizes CMM motion and associated dynamic errors, enabling high-speed 5-axis measurement with no loss of accuracy. It is particularly effective on parts with deep cylinders and complex orientations — precisely the characteristics of Safran’s landing gear boxes.

We are confident that our technology partners – Metrologic DCS, Renishaw and Wenzel, to name but a few – will continue to innovate and support us in this endeavour. From a technical perspective, Metrologic DCS’s contribution is crucial: Metrolog fully exploits the capabilities of the Revo head thanks to the native integration of all sensors and optimised programming for 5-axis trajectories. This combination enables us to significantly reduce our cycle times, improve repeatability on complex geometries and enhance the reliability of our methods.

Jean-Marc Tremblay

CMM Programmer

Operational Impact & Results

-50% measurement cycle times

Inspection cycle times on the CMM were reduced by 50%, directly meeting the target Safran Landing Systems set at the outset of the project.

100% of parts migrated to REVO

The migration of the entire part portfolio to REVO 5-axis technology has been completed, consolidating the gains across all production.

Fewer set-ups and operator interventions

The number of set-ups and interventions required from CMM operators was significantly reduced, freeing up capacity on the production floor.

Faster part clearance and MRB provision

Assessment and clearance of parts for subsequent production stages is faster, and the Material Review Board receives non-conformity information more rapidly.

Reduced programming and analysis times

Programming and analysis times dropped significantly, leading to optimisation of operational, support and programming staff resources.

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