A centrally located ridge on the upper roll tools of the fin pass section of a tube mill designed to extend into the gap between the edges of the strip. This ridge may be part of the upper roll tool or more generally a separate piece of tool steel. The purpose of the fin blade is to set the size of the opening and angle of the edges of the strip in preparation for welding.
Mazak OPTIPLEX Fiber Laser-Cutting System
Compared to conventional laser processing machines, the OPTIPLEX Fiber significantly increases the productivity of thin worksheet cutting with impressive accuracy and cuts up to 0.875” in CRS. The laser is designed to process reflective materials with greater thicknesses and at greater speeds than its CO2 counterpart.
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