Products Description
The chrome-plated aluminum alloy roller is a composite roller with a hard chrome layer applied via electroplating on the surface of a lightweight aluminum alloy substrate. Its core design concept combines the lightweight properties of aluminum alloy with the high hardness, wear resistance, and corrosion resistance of the chrome layer to achieve superior overall performance.
Performance characteristics
*Lightweight and low inertia: The density of aluminum alloy is about 2.7g/cm ³, which is about two-thirds lighter than steel rollers under the same specifications, and can significantly reduce the moment of inertia. This is beneficial for the device to achieve high-speed starting, braking, and precise control, while reducing energy consumption.
*High surface hardness and wear resistance: The hardness of the chrome plated layer can reach HV 800-1200, far higher than that of the aluminum alloy substrate, endowing the roller surface with extremely strong wear resistance and significantly extending its service life.
Excellent corrosion resistance: The hard chromium layer has good chemical stability and can effectively resist moisture and chemical corrosion in industrial production environments, avoiding rusting or oxidation blackening of the roller surface.
High smoothness and low friction: After chrome plating and precision grinding, the roller surface roughness Ra value can be as low as 0.2-0.4 μ m or even higher, with a low friction coefficient, making it very suitable for processing materials sensitive to scratches such as optical films and high-end paper.
Good conductivity: The chrome plating layer has good conductivity, which can help the guide roller release the static electricity generated by the film during the production process in a timely manner, improving production safety.
Main application fields
Our Service
Due to its performance advantages, chrome-plated aluminum alloy rollers are suitable for scenarios requiring high precision, speed, and surface quality
Precision Coating and Printing
Guide rollers or coating rollers on high-speed coating machines and printing machines
Optical films and thin film processing
Guidance during slitting and winding to prevent scratches.
Aluminum plate and strip processing
Hot continuous rolling finishing work rolls can increase rolling throughput and improve product surface quality.
Electronics and New Energy
Coating and Transport of PP Bonding Sheets, Copper Foils, and Lithium Battery Electrode Sheets
Textile Printing and Papermaking
Belt Conveyors and Paper Feeding Rolls for Humid Environment.
Product detail drawing
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