Shot Blast Resis­tant Laser Mar­king for the Auto­motive In­dus­try

Laserax from Quebec City, Canada, launched its exclusive patent-pending shot blast resistant laser marking process at the 2018 Die Casting Congress & Exposition which took place in Indianapolis, Indiana, in October.

Before and after picture of Laserax’s shotblast resistant laser marking process (Source: Normand Lemieux)

For the past three years, laser experts at Laserax had been working to provide die casters with foolproof traceability systems that are able to mark permanent identifiers directly on the castings. A breakthrough was achieved with the help of  development partners in the US at Cascade Die Casting Group and Mercury Marine.

With Laserax’s patent-pending laser marking process, it is now possible to identify parts right out of the die and feature tracking codes that will resist any post-process treatments, including shot blasting.

Ever-increasing requirements by automotive manufacturers are pushing die casters towards a perfect traceability system from the extraction of the casting from the die through to any post-process treatment and all the way to automotive assembly lines.

“The whole challenge was to find a partner with the same can-do attitude and hardworking mindset that are at the heart of Cascades Die Casting Group’s culture. We found in Laserax exactly what we were looking for. And, together, we made the impossible – possible,” said Mark Petro, director of engineering at Cascade Die Casting Group.

“At Mercury Marine, having parts with shot blast resistant markings meant being able to track critical parts individually throughout the supply chain. Mercury Marine continues to set the standard for extreme reliability and intuitive operation of marine propulsion systems. Laserax has been a great partner in improving the traceability throughout our manufacturing operation,” explained Alex Monroe, engineering project manager at Mercury Marine.

“Maintaining the legibility of a part identifier through shot blasting was no small feat. It involved testing several parameters. Many iterations were required. Many hypotheses were formulated and rejected based on the test results. But in the end, our commitment, expertise and creativity prevailed,” explained Alex Fraser, CTO of Laserax.

“The development of shot blast resistant markings is a great example of what we are and what our teams do on a daily basis: working with great partners such as Mercury Marine and Cascade Die Casting Group to push limits of lasers forward through the most demanding industrial applications,” said Laserax president Xavier Godmaire. (Source: Laserax)

Link: Shotblast Resistant Laser Marking, Laserax Inc., Quebec City, Canada • Mercury Marine, Fond du Lac, Wisc., USA • Cascade Die Casting Group, Grand Rapids, Mich., USA

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