Supercalender

Calendering is a finishing process used to provide extra smoothness or gloss to the paper product by rolling. Supercalendering is similar, but usually takes place off-line and uses softer rollers. The quality of the surface finish varies according to paper type and pressure exerted.

The supercalender is a stack of alternate steel and fiber-covered rolls which add density, smoothness and gloss to paper. Rolls for un-coated paper are usually made of chilled cast iron and highly compressed paper, while rolls for coated paper consist of chilled cast iron and highly compressed cotton.

Since the purpose of supercalendering is to introduce a smoother surface finish to the roll, surface inspection is critical. Manual inspection is difficult given the speed of the process and proximity of dangerous machinery, so an automated, non-contact solution is required.
  • Related Products +

    • SmartView - Surface Inspection
      SmartView® - Surface Inspection

      Built upon AMETEK Surface Vision’s deep experience as pioneers in surface inspection technology, SmartView® delivers laboratory-level process visibility.

      Keep Reading

    • AMETEK Surface Vision - Smart Advisor® - Process Inspection
      SmartAdvisor® - Process Inspection

      Strategically placed, synchronized, high-speed cameras positioned at every stage of the process, allow process upsets to be accurately tracked to their source within 1/24th of a second accuracy.

      Keep Reading

    • AMETEK Surface Vision - Smart Advisor® - Process Monitoring
      SmartAdvisor® - Process Monitoring

      A convenient, single-screen display allows users to review process issues by synchronizing images from multiple cameras. This reduces analysis time, detecting the root cause of process problems more quickly.

      Keep Reading