IS-IBC1 Layflat Controller (Patented)

What it Does... The Layflat Controller uses a second size feedback loop (see below) from the bubble to set and maintain a specific bubble size. The system comes with a 6 inch color touch screen which provides a variety of other features such as trending, troubleshooting, and commissioning tutors. The system comes with a compensation function that allows for the drawdown in the film as a result of tension between the primary nips and the winding nips.

Overview of Layflat Controller Components

How it works... By using a second set of sensors just above the sizing cage, the system remeasures the bubble to get the final diameter. From this diameter, the layflat is calculated and includes an adjustable factor for shrinkage or drawdown. This configuration is less dependent on line speed because of the short distance between the sensing point and the die. Also, there is no variation in the distance between the IBC and layflat sensors, which keeps the controller working consistently for all line speeds and when oscillating nips are used.

 

Block Diagram of Layflat Controller
Benefits...
Very good for managing on-fly-size changes, works well with gusseted film, reduces the time it takes to get the bubble on size and minimizes changes in layflat from day-to-night changes in the frost line height.

 

 





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