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Home > News > Extrusion

Hosokawa Alpine presents new calibration basket for blown film lines

Source：Adsale Plastics Network Date ：2025-12-18 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Hosokawa Alpine presents a new, modular calibration basket for stabilizing and calibrating the film bubble above the frost zone.


Hosokawa Alpine_calibration basket.jpg


The modular calibration basket from Hosokawa Alpine guides the film bubble after it exits the die and thus has a direct influence on the film quality.

 

High precision for optimum film quality

 

The calibration basket plays a central role in the production process: directly after exiting the die, it stabilizes the blown film bubble and precisely defines its circumference. In this way, it reliably guides the film bubble and makes a decisive contribution to the quality of the film.

 

The calibration basket from Hosokawa Alpine has roller arms with ball-bearing rollers in a V arrangement and center-guided roller positioning. It works with a solid, high-precision scissor principle for optimum film quality. It also has retaining elements for attaching the ultrasonic sensors for bubble control.

 

"Our calibration basket is perfectly matched to the other components of Alpine blown film lines and fully integrated into our overall system. For example, the diameter adjustment and height adjustment can be controlled via our ExVis system control unit," explained Bernd Bayer, Director R&D Blown Film Extrusion at Hosokawa Alpine.

 

Modular design with various options and sizes

 

Hosokawa Alpine’s calibration basket has a modular design and can be optionally equipped with additional features. An additional monomer separator is available for monomer extraction, which collects the extracted monomers separately. This prevents contamination of the bubble.

 

Another option is a post-cooling unit to increase the output. It reduces blocking of the collapsed film bubble and is particularly suitable for faster cooling of the film bubble with limited roof heights. The basket can also be fitted with an infrared sensor to monitor the film temperature.

 

The calibration basket from Hosokawa Alpine is available in four different sizes, covering the entire spectrum of layflat widths.

 

More to come

 

The new calibration basket marks the start of Hosokawa Alpine's own modular basket series. More baskets will follow.

 

"This gives our customers a blown film line with a completely modular design – flexible for a wide range of products, expandable and future-proof," added Bayer.


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Source：Adsale Plastics Network Date ：2025-12-18 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Hosokawa Alpine presents a new, modular calibration basket for stabilizing and calibrating the film bubble above the frost zone.


Hosokawa Alpine_calibration basket.jpg


The modular calibration basket from Hosokawa Alpine guides the film bubble after it exits the die and thus has a direct influence on the film quality.

 

High precision for optimum film quality

 

The calibration basket plays a central role in the production process: directly after exiting the die, it stabilizes the blown film bubble and precisely defines its circumference. In this way, it reliably guides the film bubble and makes a decisive contribution to the quality of the film.

 

The calibration basket from Hosokawa Alpine has roller arms with ball-bearing rollers in a V arrangement and center-guided roller positioning. It works with a solid, high-precision scissor principle for optimum film quality. It also has retaining elements for attaching the ultrasonic sensors for bubble control.

 

"Our calibration basket is perfectly matched to the other components of Alpine blown film lines and fully integrated into our overall system. For example, the diameter adjustment and height adjustment can be controlled via our ExVis system control unit," explained Bernd Bayer, Director R&D Blown Film Extrusion at Hosokawa Alpine.

 

Modular design with various options and sizes

 

Hosokawa Alpine’s calibration basket has a modular design and can be optionally equipped with additional features. An additional monomer separator is available for monomer extraction, which collects the extracted monomers separately. This prevents contamination of the bubble.

 

Another option is a post-cooling unit to increase the output. It reduces blocking of the collapsed film bubble and is particularly suitable for faster cooling of the film bubble with limited roof heights. The basket can also be fitted with an infrared sensor to monitor the film temperature.

 

The calibration basket from Hosokawa Alpine is available in four different sizes, covering the entire spectrum of layflat widths.

 

More to come

 

The new calibration basket marks the start of Hosokawa Alpine's own modular basket series. More baskets will follow.

 

"This gives our customers a blown film line with a completely modular design – flexible for a wide range of products, expandable and future-proof," added Bayer.


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Hosokawa Alpine presents new calibration basket for blown film lines

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