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Out with the Old

03.18.2020

BY?LAUREN DUENSING

Fabrication machinery needs to be tough to cut parts day in and day out, and, when well maintained, it has a long useful life. But technology is always advancing and, sometimes, replacing old equipment can result in big gains.

In 2017, the York, Pennsylvania, warehouse of Kloeckner Metals, one of the largest metals manufacturing, supply and service companies in North America, was evaluating its laser-cutting machines. At the time, it had two CO2?machines that were falling short both in cutting thicker material and in speed. One of these lasers was 15 years old; the other had been worked for 12 years.

“They were in need of some fairly costly repairs, and it didn’t make sense to repair them,” says David Schott, regional fabrication manager for Kloeckner. “They were also quite a bit slower than current laser technology.”

Fabrication Machinery worker
Fabrication Machinery Product
Fabrication Machinery Cutout
Fabrication Machinery Closeups

Service center improves production with intelligent laser-cutting functions

Automation
After researching features and price, Kloeckner purchased a Mazak Optiplex Nexus 3015 2D flying optics fiber laser cutting system with a 60-inch-by-120-inch shuttle table and Extensible Manufacturing Cell automation. It has a plate loader, parts unloader and a line controller, which allows for lights-out operations. The machine was installed in November 2017.

?BECAUSE OF THE AUTOMATED OPTIONS, THE LASER CREATES A GOOD CUT WITH LITTLE OPERATOR INTERVENTION.?

DAVID SCHOTT,
KLOECKNER METALS

According to Mazak, the Optiplex Nexus was designed to integrate intelligent setup and monitoring functions and reduce operator dependency.Schott says the laser can cut carbon and stainless steel up to 1 inch thick, and sensors in the multi-function torch monitor piercing and cutting operations. The result is improved throughput and part quality. If an anomaly is detected, the machine either adjusts or pauses the operation to automatically achieve efficient cutting conditions.

“Because of some of the automated cutting–related options (nozzle changing, focus, etc.), it creates a good cut with little operator intervention,” Schott says. “This lets us quickly change from different materials and different thicknesses. It also allows the operator to focus on keeping the machine cutting parts instead of adjusting the machine to cut efficiently.”

Efficiencies realized

Compared to the old CO2?machines, the Optiplex Nexus Fiber is “much faster,” Schott says. “It is also faster than a newer CO2?we have. It produces a slightly different edge condition than CO2, but this generally isn’t an issue. The fiber also has many fewer moving parts and maintenance concerns versus CO2.”Schott says the laser’s capabilities benefit both Kloeckner and its customers. Processing parts more efficiently increases throughput and reduces the cost per part. In addition, the ability to hold tight tolerances mean parts fit together better and secondary processes run more smoothly.

Optiplex Nexus 3015 Fiber

The Optiplex Nexus 3015 Fiber incorporates Mazak’s Intelligent Technology, which optimizes the torch setup automatically.

“Because of the cutting speed improvement and material handling, we have been able to get more done with less,” Schott notes. “We also have increased our cutting capabilities over our older CO2?lasers. We are able to cut thinner-gauge material much faster and process some heavier gauges we previously could not cut on our small-format lasers. We also have expanded our cutting capability to include both stainless steel and aluminum.”And, with the Extensible Manufacturing Cell’s modular approach, which can flex to accommodate the laser configuration as needs change, Kloeckner is not only cutting faster in the present but also prepared for growth in the future.

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