High-speed rolls need a reliable, verifiable automated solution to ensure defects are not introduced throughout the process. AMETEK Surface Vision products help reduce waste product.
Cold rolling provides an aluminum sheet with the desired strength, tempering or surface finish. The brightest finishes are delivered using highly polished work rolls. The process can also be used to reduce an aluminum sheet to a very small thickness.
Cold rolling may be done using a single pass through a multiple-stand mill, or via several passes through a single-stand mill. Beyond a certain level of hardness, the metal may crack if it is rolled again, requiring annealing before further rolling.
The risk of cracking imposes a limit on the amount of uninterrupted cold roll passes that can be accomplished. An automated inspection solution will alert the operator to any issues at an early stage, enabling the metal to be sent for annealing. It also supports the quality of the final surface finish.
APPLICATION NOTE
ALUMINUM COLD MILL
Cold rolling is an important part of the manufacturing process for thin aluminum strip and sheet. Effective quality control at this stage, by monitoring dents, scratches and other surface defects, can protect from claims and reduce costs throughout the production process.
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