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A carbon medium-wave infrared system from Heraeus Noblelight is helping API Foils Ltd to achieve greater line running speeds and better heating control in the hot embossing of holographic foils. The 83kW carbon medium-wave system is located after the film unwind and infeed stations, immediately prior to the embossing station. It features an optical pyrometer, so that the temperature of the pre-heated film passing to the embossing rollers can be precisely controlled in a closed-loop system. Moreover, the fast response time of the carbon emitters ensures minimum wastage of product, as the emitters can be switched off virtually instantaneously in the event of line stoppage.

 

Case study: carbon infrared system improves heating control of hot foil embossing

A carbon medium-wave infrared system from Heraeus Noblelight is helping API Foils Ltd to achieve greater line running speeds and better heating control in the hot embossing of holographic foils. The 83kW carbon medium-wave system is located after the film unwind and infeed stations, immediately prior to the embossing station. It features an optical pyrometer, so that the temperature of the pre-heated film passing to the embossing rollers can be precisely controlled in a closed-loop system. Moreover, the fast response time of the carbon emitters ensures minimum wastage of product, as the emitters can be switched off virtually instantaneously in the event of line stoppage.

 

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