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Roll grinders and digital texturing for Aluminum Dynamics

Aluminum Dynamics LLC, a Steel Dynamics Inc joint venture, has awarded Tenova a new contract for its aluminum flat rolling mill located in Columbus, Mississippi. The contract is for the design and supply of technologies offered by roll grinder specialist Pomini Tenova.

The scope of work includes two foundationless combination roll grinders, two foundationless work and intermediate roll grinders, and one Pomini Digital Texturing™ machine (PDT™) equipped with four laser heads for texturing of cold mill work rolls. Tenova will also provide a roll shop management system for the management of the roll shop production data, which is interfaced with the Pomini roll grinders and Aluminum Dynamics' level two and business management software.

The roll grinders are equipped with an advanced set of automated devices, including the new Pomini Digital Surface Analysis (PDSA), automatic roll demagnetizer and on-line automatic roughness measurement, as well as a full range of non-destructive testing (NDT) devices for roll inspection. The use of the PDSA in conjunction with Pomini Inspektor3, in its complete configuration, ensures the surface quality of the roll and its internal structural integrity.

The adoption of foundationless technology for the roll grinders will allow for a simplified construction process and efficient installation in the roll shop.

We are excited to work with Tenova on this project, said Glenn Pushis, president of Aluminum Dynamics. Partnering with a leader in this space, their focus on decarbonization, and high-quality equipment drove this crucial decision.

Petar Rokic, sales area manager at Pomini Tenova, commented, The selection of PDT to address the higher requirements of product quality for automotive and appliances production is perfectly aligned with the client's focus on decarbonization. This equipment — an advanced fiber-laser based technology — substantially reduces the energy utilization when comparing it with the previous processes based on electro-discharge.