SML winder W1800
Winding technology
  • Winding technology
  • SML winding technology

SML winding technology

Precise, efficient, exhaustively customised.

Our wide selection of winders is proof that we are more than simply extrusion specialists.

SML offers a variety of winder systems to suit different customer preferences and applications. Each of our winder solutions is customised for the entirety of the process at hand, giving you the edge you expect from us - excellent winder quality at an attractive price point.


Further improvements included.

Our engineers always perfectly tailor the winders to the process at hand, further developing the technology in incremental steps. After all, our customers want fast and efficient end-to-end solutions that work perfectly at all locations and at all times.

At SML, we do everything we can to make that happen. We use one of the most precise winding technologies around to ensure optimum roll quality in your production. And for good reason: That allows our customers to unlock the full potential of our production lines, while relying on a single point of contact for the entire investment project.

Another way to boost efficiency!

Winder Types

SML winders for stretch wrap film

Film that winds up perfect!


It is the constant edge in winding technology, that helps making SML the global technology leader for stretch film lines. We consider our peak performance winders as decisive in terms of overall line performance. SML offers three types of winders for stretch film lines - all of them with a solid, vibration-free steel-frame construction and perfectly designed to resist the dynamic forces generated at high production speeds.


Technical data
Thickness range8 - 35 μm8 - 50 μm8 - 50 μm
Max. mechanical speed650 m/min850 m/min850 m/min
Winding width4 - 6 x 500 mm3 - 12 x 500 mm3 - 9 x 500 mm
Part roll width400, 450, 500 mmvariablevariable
Winding on
2-inch cores
Winding on
3-inch cores
Coreless windingnoyesyes
Max. mechanical
diameter 2-inch
180 mmno180 mm
Max. mechanical
diameter 3-inch
400 mm425 mm425 mm
No. of winding stations
per turret
No. of winding turretssinglesingle / double / triplesingle / double / triple
No. of winding shaftsshaftless2 / 4 / 64 / 8 / 12
Minimum cycle time20 s60 s15 s
Film tailvery shortstandardultra short
Core and roll handling manualnooptionalno
Core and roll handling

SML winders for CPP/CPE/CAST-PET/barrier film

The secret to achieve precision.


SML is focusing on tiniest details to make great things happen. Both our extra large mother roll winders with up to 6.2 m width as well as our inline slitting winders are the result of intensive R&D work - and our constant strive for precision in any detail. SML’s winders offer worldwide unmet roll quality from small to very large diameters, accurate tension control and gap or contact winding for defined roll hardness.




Technical data
Film thickness
15 - 300 µm15 - 300 µm15 - 300 µm15 - 120 µm
Max. mech.
450 m/min350 m/min400 m/min400 m/min
Max. winding
3,600 mm1,950 mm3,150 mm6,500 mm
Winding shaft/
pipe diameter
6-inch / 8-inch6-inch3-inch* / 6-inch10-inch / 12-inch
Max. mech.
1,500 mm1,200 mm980 mm1,300 mm
W2000 XL:
1,300 mm
top outsidetop inside or outsidetop insidetop outside
                    *Depending on end film width and product


Roll handlingmanualmanualautomaticmanual
Oscillationframeframewinder or frameframe

SML winders for hygiene backsheet

High-performance winders for higher productivity.


Boosting productivity while extending the world’s highest quality standards are one of SML’s key activities in the field of hygiene film. We are offering a wide range of peak performance winders for hygiene film lines - from mother rolls for printing to inline slitting winders for finished products. Based on intensive R&D works, all of our winders for hygiene films lines are constantly upgraded with new features.



Technical data
WinderW1300W1500W2000 aerofilm
Film weight range15 - 70 g/sqm15 - 70 g/sqm10 - 170 g/sqm
Max. mechanical speed450 m/min350 m/min500 m/min
Max. winding width3,600 mm1,950 mm2,800 mm
Winding on
3-inch cores
Winding on
6-inch cores
Max. mechanical
1,000 mm1,200 mm1,300 mm1,600 mm
Winding directiontop outsidetop outsidetop insidetop inside
Roll handlingsemi-automaticsemi-automaticautomaticautomatic
Oscillationframeframe or winderframe or winderframe or winder

SML winders for PET/R-PET sheet

The right winder for the perfect product every time.


From semi-automatic turret winders, A-frame trolley winders or cantilever winders to fully automatic high-tech winders without the need of a film accumulator: We at SML have collected decades of inhouse-specialist knowledge in the field of PET / R-PET sheet winding technology. This allows us to offer outstanding winding quality, setting the global benchmarks in precision.



Technical data
WinderW500W600W550W900W1200W2000 XL
Net film width
up to
2,200 mm1,800 mm1,050 - 1,800
(2,200) mm
1,050 - 2,200 mm1,650 - 2,200 mm1,650 - 2,200 mm
Number of websup to 4up to 4up to 4up to 4up to 4up to 4
Core ID (inch)3, 6, 83, 6, 83, 6, 83, 6, 86, 83, 6
Thickness range150 - 1,800 µm150 - 1,800 µm150 - 1,800 µm150 - 1,200 µm150 - 1,800 µm150 - 1,800 µm
Max. mech. speed70 m/min70 m/min70 m/min70 m/min100 m/min100 m/min
Accumulatoryesyesyesyesno / yesno / yes
Max. roll diameter
up to*
2,000 mm1,400 mm1,200 mm1,200 mm1,200 mm1,200 mm

 *Depending on end film width and product            

SML winders for PP/PS/barrier thermoforming sheet

High-tech for excellent production reliability.


SML offers a wide choice of winders for PP/PS thermoforming sheet lines - including semi-automatic turret winders, cantilever winders and A-frame trolley winders. The most important things they have in common: highest technical standards, precision and excellent production liability - based on SML’s decade-long specialist knowledge in the field of winding technology, our constant R&D activities and the strive of our engineers to offer equipment at the highest quality level.



Technical data
Net film width up to2,100 mm1,300 mm1,300 mm
Number of websup to 6up to 3up to 3
Core ID (inch)3, 6, 83, 6, 83, 6, 8
Thickness range250 - 2,500 µm250 - 2,500 µm250 - 2,500 µm
Max. mechanical speed70 m/min70 m/min70 m/min
Max. roll diameter up to*1,200 mm / 2,000mm1,000 mm1,200 mm

*Depending on shaft diameter, roll width and number of webs

SML winders for coating and laminating lines

Peak performance winders for many different applications.


SML’s continuous investments in the development of winding technology for coating lines is paying off - in terms of performance at high productions speeds, in terms of liability and in terms of global technology leadership. Today, SML offers a large variety of peak performance winders for all relevant extrusion coating applications: from winders for light-weight laminates to heavy textiles and cardboards, shaftless winders for convenient roll handling and product specific cross-cutting units.



Technical data
WINDERW1500 WSW1500 SLW1800W2000
350 m/min450 m/min600 m/min600 m/min
Max. winding
1,800 mm2,400 mm4,800 mm2,900 mm
Inline slittingNoNoYesYes
1,200 mm1,270 mm1,800 mm980 or
1,500 mm
Max. roll
1,500 kg2,000 kg4,000 kg2,500 kg
bothbothtop insidetop inside
50 - 750 N50 - 750 N50 - 3,500 N30 - 300 N
Contact roll
100 - 1,800 N100 - 1,800 N50 - 3,500 N50 - 500 N
Roll handlingmanualmanualautomaticfully automatic

SML unwinders for coating and laminating lines

Unwinders for every type of substrate.


SML demonstrates its technical excellence and innovative strength one more time in the large field of unwinding systems for coating lines. We at SML are offering unwinders for every type of substrate and for a variety of applications - from simple double station systems with a manual splicing unit to fully automated turret unwinds for splicing at full production speed. Among our innovative features: options like bi-directional unwinding, ultra-thin alu-unwinding and different edge guiding and roll positioning systems.



Technical data
UNWINDER TYPEdouble unwinderunwinder UW1500 WSunwinder UW1500 SLunwinder UW1500 SL-H
150 m/min350 m/min450 m/min600 m/min
Max. substrate width5,200 mm1,800 mm2,400 mm4,500 mm
1,500 mm1,200 mm1,270 mm1,600 mm
Core clampingshafted / shaftlessshaftedshaftlessshaftless
Max. roll weight4,500 kg1,500 kg2,000 kg4,000 kg
Unwinding directionbothbothbothboth
Roll handlingcranecrane / forkliftcrane / forklift / lifting tablelifting table / lifting table
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