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Laminated Printed Flexible Packaging BOPP PET PE CPP Film Roll Slitting Rewinding Machine

The SLC series slitter rewinder machine is dedicated to cut flexible packaging material from big width roll to narrow width rolls which can feed into automatic packaging machine,pouch forming machine. It has perfect slitting rewinding performance of laminated foil,plastic film(bopp opp pet pe pvc),paper rolls,label sticker paper,and so on roll material.

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The SLC series model slitter rewinder machine is designed to convert packaging material rolls for flexible packaging industry. It always appears at the same time with the rotogravure printing machine and the solvent-less laminating machine in the plastic packaging material rolls manufacturer factories. It was equipped with international brand electric control parts and reasonable mechanical structure.

1.The SLC series slitter rewinder machine stable running speed is 500 to 600 meters per minute.
2.Siemens PLC control the machine running system.
3.Total four sets servo motors installed in the machine. Unwinding unit tension independent controlled by the servo motor. The two rewinding shaft also driven by two independent servo motors which ensure the better rewinding tension controls and reach better rewinding rolls quality.
4.The mother roll loading system adopt the pneumatic shaft less chucks. The unloading system has the pusher device to unload the finished material rolls to the turret. It is easy to operate the machine by only one person.
5.The machine have two types slitting unit,razor knives and circle knives for various material rolls. They are optional. You also can have both in one machine.
6.The machine rewinding shaft adopt the multi function and high precision pneumatic friction shaft,which has better rewinding tension control performance.
7.It is equipped with the splice table. Operator can convenient to connect material web.

Web Guider Controller By Taiwan BrandWeb Edge And Printing Line Detector Sensor
Pneumatic Unwinder With Servo MotorSplicer Table
Automatic Unloading PusherPneumatic Friction Rewinding Shaft
Finished Rolls In TurretGroove Roller And Razor Slitting Knives

What materials are SLC slitting and rewinding machines used for slitting?

The SLC model slitting rewinding machine was designed by Binbao machinery. It is mainly used to convert printed,laminated plastic film rolls into custom width rolls in the flexible packaging industry,such as PET, OPP, CPP, PE, PS, PVC,BOPP,laminated film material,self adhesive label and so on. These plastic film or laminated film rolls are widely used to make various type label or wrapping sugar,salt,tea,wipes,milk powder,medical,food,candy packaging,PVC shrink label film for bottle water label,beverage bottle label,BOPP laminated film roll for food pouch.

插图-1Plastic Snack Packaging Film Rolls插图-2 PET Plastic Film Roll For Potato Chips Packaging
Plastic Snack Packaging Film Rolls PET Plastic Film Roll For Potato Chips Packaging
插图-3 Water Bottle Label Film Roll插图-4 Laminated BOPP Film Rolls For Food Pouch
 Water Bottle Label Film Roll Laminated BOPP Film Rolls For Food Pouch

What are the differences and advantages of the SLC model film rolls slitting and rewinding machine compared with the paper jumbo slitting and rewinding machine?

SLC series model is specially developed for the film flexible packaging and label industry according to the characteristics of the BOPP,PVC,PET,OPP,PE,laminated film and foil material rolls.Films are thinner than paper rolls. For the same diameter roll, the length of the film roll is much longer than the length of the paper roll.In order to increase the slitting speed, the speed of the SLC model slitter rewinder can be up to 600 meters per minute.The cutting system is different. The SLC series model machine adopts razor flat blade to cut material,but the paper roll slitting rewinding machine adopts the round blade. The rewinding shafts are different. Plastic film rolls should be rewind in the friction shaft with slipping balls. This type shaft can better and separately control rewinding rolls tension. In the flexible packaging industry,these film rolls are normally printed with logo and patterns. So SLC series model machine adopts photocell sensor web guider system. In addition to these aspects, the position of the rollers of the SLC model slitting and rewinding machine, the angle of feeding pathway are many difference compared with those of the paper rolls slitting machine.

插图-5 Flat Razor BladeFlat Razor Blade

插图-6 Photocell Sensor For Web Guider插图-7 Friction Shaft For Rewinding
Photocell Sensor For Web GuiderFriction Shaft For Rewinding

What is differential friction shaft? Why the differential friction shaft can ensure the rewinding quality?

Differences in material thickness and winding tension often arise when rewinding foils, laminates, plastics and other materials. When rewinding smaller rolls on the same rewind shaft these variations can result in different lengths and tension. After only a few rotations, the centre of some small rolls may be too tight, while others are looser, making the quality of the end product unacceptable.
A Differential Rewind Friction Shaft overcomes these issues by maintaining proper tension on all rolls throughout the winding operation. This ensures the web material does not sag, stretch, or tear and the rolls are uniformly wound. In order to perform the constant “slip differential” function, the centre shaft is required to rotate at a higher rate than the Differential Friction Rings. All of the cores are required to slip continuously, however, some will slip more than others in order to maintain the same tension. Control of the slippage and the web tension is achieved by varying the air supply to the centre shaft, so a constant air supply needs to be available, ideally between 20 and 60 psi (1 – 4 Bar). As the roll size increase during the winding process, the speed of the Differential Shaft needs to be decreased in order to maintain the same over speed rate.
The Friction Rings are available in a very wide variety of diameters from 50mm Diameter up to over 400mm Diameter. The Inside diameter of the Friction Rings depends on the diameter of shaft which you currently used, and in most instances we can supply the rings to suit your existing shaft.

插图-8 Friction Rings插图-9 Differential Friction Shaft Structure
 Friction Rings Differential Friction Shaft Structure

What material is cut with a circular blade knife? What material is cut with razor blade knife?

What type of slitting knife to use depends on the thickness of the material. If the material is foil,laminated plastic film,printed flexible film with less than 20 micron thickness,we normally adopt the razor blade as slitting knife.The circular blade knife is used to cut laminated paper,general paper,coating paper,self adhesive label paper and so on material.

How many motors does the SLC series slitting rewinding machine have?

There are four motors in the model machine. Two motors used to individual rewinding two shafts. The web material feeding is driving by one motor. The forth motor control the mother roll unwinding tension.

插图-10 Motor For Unwinder插图-11 Frequency Inverters
 Motor For UnwinderFrequency Inverters

How to unload finished rolls from the rewinding shafts?

Due to these friction rings can separately rolling in the shafts,finished rolls are difficult to unload. In order to save operators labour,we designed a pusher in the SLC model machine. It can automatically push finished rolls to the shelf. Operators can pack finished roll in the shelf during machine running.

插图-12 Unloading Pusher插图-13 Finished Rolls In The Shelf
Unloading Pusher
Finished Rolls In The Shelf

Does the SLC model machine have splicing equipment?

Yes,it has. The splicing equipment include two sticks and a platform. The sticks be controlled by cylinder to nip web material in the platform,then operators can easily connect new roll with web material in the machine.

插图-14 Splicing Equipment插图-15 Splicing Platform
 Splicing Equipment Splicing Platform

Can the SLC model machine automatically stop when it finish rewinding setting meters?

The SLC model machine controlled by Siemens PLC with intelligent program system. Machine can automatic count rewinding meters and stop according setting meters in the touch screen.

插图-16 Human Machine Interaction Touch ScreenHuman Machine Interaction Touch Screen

Which type web guider sensor does SLC model use?

It depends on your material characteristic. If the material is printed film,we suggest the sensor adopt the CCD photocell sensor which can detect edge and printing line. Transparent film material should use the infrared sensor. Ultrasonic sensor can be used for other material,such as blank paper,foil,laminated material and so on.

插图-17 Web Guider Sensor插图-18 Web Guider Controller Panel
Web Guider Sensor
Web Guider Controller Panel

Model Name


Mother Roll Width(Max)


Mother Roll Diameter(Max)

800mm(1000mm,1400mm optional)

Mother Roll Weight Capacity


Rewinding Rolls Diameter(Max)


Rewinding Rolls Width(Min)


Core Size

3/6inch(customize available)

Thickness Range

12-150 micron

Cutting Accuracy




Case-1: Bottle Water And Beverage Label Stock Rolls
Many consumer products require film labels, such as bottled water and various beverages. The production of film labels requires film blowing machines, printing machines, laminating machines, slitting machines and other equipment. The film label manufacturer needs to slit the printed film roll into the width required by the customer.

Case-2: Self Adhesive Paper Label Stock Rolls,Sticker Label Rolls
Self-adhesive labels are widely used in our lives, such as red wine labels, supermarket price labels, skin care labels and so on. The width of the self-adhesive coating machine usually exceeds 900mm. Therefore, the self-adhesive manufacturer has to cut large rolls into small rolls. Because the width die-cutting machine and printing machine for self-adhesive labels don’t exceed 500mm. So the paper roll to small rolls slitting rewinding machine use to convert jumbo roll to customize width rolls.

Case-3: Laminated Film Rolls For Making Food And Medical Pouch
In order to improve the sealing and preservation effect, many food and medicine packaging pouches use composite materials, such as aluminum foil and film composite materials, and paper and film composite materials. The performance of composite materials will be better. However, composite materials usually have uneven thickness. Therefore, composite flexible packaging materials will use the slip rings friction shaft slitting machine to cut the raw materials rolls.

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1.How much minimum width roll your machine can cut and wind?
Answer: The series machine can make minimum 20mm width rolls

2.We are manufacturer of liner paper for self adhesive paper and silicon coated food wrapping paper. The material is very slip and difficult to be rewinding into narrow width rolls. How do you solve the problem?
Answer: We have provide solutions to many similar material manufacturer customers. The reasonable structure and control system of our machine can prevent the material from slipping.

3.Our paper rolls are printed by the flexible printing machine.Can your machine web guider to detect the printing mark line in the edge and trim the edge?
Answer: Yes,we can use CCD type sensor which have a camera to detect the printing line.Beside,our machine can trim and blow the waste edge out of machine.

4.I am a supplier of printing and packaging material&equipment in Europe. Do you have CE certification for the model machine.
Answer:All our slitting machine models have SGS certificated CE.

5.Which type friction rings you use in the rewinding shafts?
Answer: We will adopt different type friction rings for various material. That depend on your material characteristics.

6.How the machine unload these finishing rolls?
Answer: We have two types unloading way. One model machine should unload rolls by manual. Another one model has automatic unload system,the system can push finishing rolls out of shafts by the electric moving arm.

7.I have some customize requirements for our products processing? Can you help me?
Answer: We have a professional designers team to provide solutions for customize requirements.Welcome to contact us and discuss your new ideas.

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