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Home > News > Market News

SML launches a new turret winder for cast jumbo rolls with a diameter of up to 1,500 mm

SML MASCHINENGESELLSCHAFT MBH     Classic Member
Source：SML Maschinengesellschaft mbH Date ：2025-06-12 Editor ：SML Maschinengesellschaft mbH
Copyright： The content was uploaded and published by members of Adsale Plastics Network (AdsaleCPRJ.com). It represents the opinion of the author or the organization; Adsale Plastics Network provides the platform for information release only. For membership registration, please log in on a desktop computer:adsalecprj.com/shor/dMpPW0

SML’s brand-new turret winder W1300 comes fully equipped with powerful technical features and functions. Its ability to produce jumbo rolls with a mechanical diameter of 1,500 mm offers numerous benefits to manufacturers in downstream processes.

 KHP_SML200325-1.jpg

“Our new W1300 turret winder was designed for the winding of CPP, CPE, mono-oriented and barrier films of absolute premium quality. With winding speeds of up to 450 m/min and end film widths from 2,400 to 3,900 mm, the new winder boasts everything necessary to ensure high-volume production”, Alexander Bruckmüller, the Product Manager at SML, confirms.

KHP_SML200325intern-6.jpg

Efficiency in subsequent processes

Thanks to the winder's large mechanical roll diameter of 1,500 mm, the running times of the individual rolls can be extended quite significantly. Extending the production runs primarily leads to a boost in efficiency in subsequent processes, such as printing or metallising. The following example demonstrates quite clearly the tremendous amount of cast film contained in a jumbo roll of 1,500 mm: When cast film with a thickness of 25 µm is wound onto a roll with a diameter of 1,200 mm, this roll contains 45,000 running meters of film. A jumbo roll with a diameter of 1,500 mm has 70,000 running meters of the same film – this is an increase of more than 50 %!  


Adjusting the hardness of the film roll

The W1300 winder can be adapted with ease to different production requirements. Two operational modes are available: Depending on the film, the winder either can work in gap mode or in contact mode. Before the film hits the contact roller, it runs over a continuously adjustable satellite roller, to control the air intake between the individual film layers and to adjust the hardness of the film roll. Winding is possible either with or without winding shafts. The inlet section of the winder is prepared for the installation of a post cooling roller. 


Roll change with auxiliary contact rollers

Two different cross-cutting units are available for the winder W1300: One is a full-width twisting knife for thinner films and the second one is a flying knife for thicker films and oriented films. During a roll change, driven auxiliary contact rollers are engaged in order to keep the condition of the film at the roll in perfect condition up to the very last layer. A handling system is available both for shaftless winding and for winding with shafts. During shaftless operation, rolls can be also handled with an overhead crane.


Suitable for retrofits

The standalone nature of the winder makes it easy to install it on third-party cast film lines since it comes with its own control system and electrical components.



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SML MASCHINENGESELLSCHAFT MBH     Classic Member
Source：SML Maschinengesellschaft mbH Date ：2025-06-12 Editor ：SML Maschinengesellschaft mbH
Copyright： The content was uploaded and published by members of Adsale Plastics Network (AdsaleCPRJ.com). It represents the opinion of the author or the organization; Adsale Plastics Network provides the platform for information release only. For membership registration, please log in on a desktop computer:adsalecprj.com/shor/dMpPW0

SML’s brand-new turret winder W1300 comes fully equipped with powerful technical features and functions. Its ability to produce jumbo rolls with a mechanical diameter of 1,500 mm offers numerous benefits to manufacturers in downstream processes.

 KHP_SML200325-1.jpg

“Our new W1300 turret winder was designed for the winding of CPP, CPE, mono-oriented and barrier films of absolute premium quality. With winding speeds of up to 450 m/min and end film widths from 2,400 to 3,900 mm, the new winder boasts everything necessary to ensure high-volume production”, Alexander Bruckmüller, the Product Manager at SML, confirms.

KHP_SML200325intern-6.jpg

Efficiency in subsequent processes

Thanks to the winder's large mechanical roll diameter of 1,500 mm, the running times of the individual rolls can be extended quite significantly. Extending the production runs primarily leads to a boost in efficiency in subsequent processes, such as printing or metallising. The following example demonstrates quite clearly the tremendous amount of cast film contained in a jumbo roll of 1,500 mm: When cast film with a thickness of 25 µm is wound onto a roll with a diameter of 1,200 mm, this roll contains 45,000 running meters of film. A jumbo roll with a diameter of 1,500 mm has 70,000 running meters of the same film – this is an increase of more than 50 %!  


Adjusting the hardness of the film roll

The W1300 winder can be adapted with ease to different production requirements. Two operational modes are available: Depending on the film, the winder either can work in gap mode or in contact mode. Before the film hits the contact roller, it runs over a continuously adjustable satellite roller, to control the air intake between the individual film layers and to adjust the hardness of the film roll. Winding is possible either with or without winding shafts. The inlet section of the winder is prepared for the installation of a post cooling roller. 


Roll change with auxiliary contact rollers

Two different cross-cutting units are available for the winder W1300: One is a full-width twisting knife for thinner films and the second one is a flying knife for thicker films and oriented films. During a roll change, driven auxiliary contact rollers are engaged in order to keep the condition of the film at the roll in perfect condition up to the very last layer. A handling system is available both for shaftless winding and for winding with shafts. During shaftless operation, rolls can be also handled with an overhead crane.


Suitable for retrofits

The standalone nature of the winder makes it easy to install it on third-party cast film lines since it comes with its own control system and electrical components.



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SML launches a new turret winder for cast jumbo rolls with a diameter of up to 1,500 mm

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