Continuous process laminating and embossing machines typically heat and cure a number of substrates together before embossing a textured finish to one or both sides. Depending on the finish desired, calendar rolls may also be used to modify smoothness, surface luster and thickness uniformity. Heat energy is added to the process through the use of heated rollers and electric or gas infrared panel heaters.
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Product temperature cam be measured at various stages of the process for closed loop control of heating, curing and cooling. Determining product surface temperature homogeneity across the web before embossing helps identify sections of the finished product that may need to be removed from the windup roll.
- IR spot sensors measure temperature to optimize heating, curing and cooling phases
- IR linescanner to measure temperature to detect breaks, tears or wavy edges to reduce scrap.
- IR linescanner to visualize the web for checking even temperature distribution
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