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The cold rolling mill is a set of equipment used to roll and process metallic materials at room temperature, primarily employed in the production of cold-rolled sheets, reinforcing bars, and other metal products.
Continuous hot-dip galvanizing and aluminized zinc coating production line
The continuous hot-dip galvanizing and aluminized-zinc coating production line is a core piece of equipment in modern steel processing. It employs a continuous strip-operation method and utilizes in-line annealing technology—such as the Sendzimir or U.S. Steel process—to achieve efficient, high-quality coating production.
The color-coating production line is a processing equipment used to apply functional coatings onto the surface of metal coils, primarily for manufacturing color-coated steel sheets. Through a series of specialized processes, this production line forms a composite coating on the surface of metal substrates—such as cold-rolled steel coils, galvanized sheets, and aluminum-zinc coated coils—endowing the products with exceptional mechanical strength, aesthetic appeal, and corrosion resistance.
The acid pickling line plays a critical role in the steel metallurgy field prior to cold rolling production. Its primary function is to remove iron oxide scale and dirt from the surface of steel coils delivered from the hot continuous rolling mill, utilizing both mechanical and chemical processes to achieve a clean-surfaced strip of steel.
A degreasing unit is a piece of equipment used to remove oil contaminants from the surface of cold-rolled strip steel. It employs chemical and electrochemical methods to eliminate the lubricant oil films left behind during the rolling process, ensuring high-quality performance in subsequent manufacturing steps.
The leveling machine is suitable for leveling cold-rolled strip steel after annealing, with the primary purpose of enhancing the mechanical properties of the strip steel.
The skin-pass mill (tension-bending straightener) is a critical piece of equipment in continuous hot-dip galvanizing lines for strip steel, widely used to enhance the flatness and material properties of thin plates.
The uncoiling and recoiling unit is a critical piece of equipment in production lines for coated, galvanized, and other metal sheet materials, designed to support and drive steel coils during the unwinding and rewinding processes.
The finishing machine is a critical piece of equipment used to enhance the surface quality of metal strips, adjust surface roughness, and optimize mechanical properties—applications that are widely found in hot-dip galvanizing production lines.
The heavy-duty recoiling unit is an industrial device used for shearing, slitting, and rewinding coiled materials. It is widely applied in industries such as metal sheets, paper, and plastic films, primarily to process large coils into smaller rolls that meet specified dimensions—and ultimately enhance product quality.
A coating machine is an automated mechanical device specifically designed to control fluids and apply them evenly onto product surfaces.
CPC and EPC Corrective Actions for China
CPC (Center Position Control) and EPC (Edge Position Control) are automated control systems used in industrial production lines for strip web correction, with CPC achieving center alignment control and EPC enabling edge alignment control of the strip.