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Automatic pre-stretch Rewinder MODEL PS

Automatic pre-stretch Rewinder
MODEL PS
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pre stretch film rewinder
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Automatic compact high-speed PE stretch film rewinder for hand and machine rolls with PRE-STRETCH EFFECT UP TO 400% (1m=5m). Pre-stretching allows the initial stretch film to become thinner while remaining strong and tear resistant. This means less packaging waste and a substantial financial benefit.
Products
pre250_01
pre250_02
pre250_03
pre250_04
pre250_05
Hand roll
Hand pre-stretch
Machine roll
Pre-stretch machine roll
Materials
* We make nonstandard core IDs upon request
* We make nonstandard core IDs upon request
Functions and options
EXTENDED ENGINEERING MENU
EXTENDED ENGINEERING MENU FOR TECHNICAL PROFESSIONALS
The extended engineering menu is intended for troubleshooting and setup of the equipment. The control system interface is divided into the following access levels:

1. The first access level for operators
2. The second access level for technical professionals
ADVANTAGES:
Quick troubleshooting (in/out menu)
Convenient equipment change-over to another raw material type (manual debugging mode)
Control at different access levels
MULTILINGUAL CAPABILITY
MULTILINGUAL CAPABILITY
The multilingual controller capability makes it possible to select a necessary interface language. The basic menu configuration supports 10 languages. If necessary, customers may request the manufacturer to translate the interface to a new language.
ADVANTAGES:
Prevention of improper setup of the machine parameters
Comfortable and safe operator’s activity
Possibility of switching to various languages
STANDARD REWINDING MODE
STANDARD REWINDING MODE (WITHOUT FILM STRETCHING)
This mode is used to rewind film without stretching. It makes it possible to rewind parent and manual rolls (without the Pre-Stretch function) of specified length and weight.
ADVANTAGES:
Extended assortment of products
TWO-STAGE FILM STRETCHING SYSTEM
TWO STAGE FILM STRETCHING SYSTEM
This system makes it possible to achieve maximal stretching of Pre-Stretch film at high rewinding speeds. At every stage, an operator is capable to adjust the stretching percentage to obtain maximal film stretching and web quality. The required stretching percentage is set by means of the controller.
ADVANTAGES:
Rolls of at least 6 µm thick film
HOLE DETECTION AND COUNTING SYSTEM
HOLE DETECTION AND COUNTING SYSTEM
This system notifies an operator on occurrence of Pre-Stretch film defects (mini-ruptures) caused by excessive film stretching in the course of rewinding.
This allows the operator to adjust the web stretching settings timely: set the optimal stretching percentage or decrease the rewinding speed.
ADVANTAGES:
Marketable appearance of the roll
Prevention of rejects
VISUAL AND AUDIBLE ALARM
VISUAL AND AUDIBLE ALARM
Visual and audible alarm is used to notify the operator on completion of an operation or occurrence of abnormal conditions.
ADVANTAGES:
Prevention of prolonged equipment shutdowns
FILM REINFORCEMENT (EDGE BENDING)
Film edges are bent to increase its tear strength, because the edge is the most vulnerable area of a roll. The reinforcement makes it possible to prevent edge tearing in the course of unwinding. Width of the bent area is set by an operator in a range of 1 to 10 mm.
ADVANTAGES:
Marketable appearance of the roll
High quality products
OSCILLATION
Oscillation is a swinging motion of auxiliary shafts that moves the web from side to side (right-left). The oscillation range can be adjusted. Main purposes of this function are as follows:
- prevent thickening at the roll ends, achieve homogenous roll density at the center.
- prevent cardboard core deformation
- retain roll integrity in case of falling. Rewinding of stretch-film rolls without oscillation makes them vulnerable when falling. Collision of a roll and a hard surface results in defects: discontinuities, deep scratches and peeled ends.
ADVANTAGES:
Marketable appearance of the roll
Absence of possible defects at the packing and transportation stages
MONITORING SYSTEM OF FILM WOUND ON THE DRUM
In case of unintended film winding on the drum, the machine stops automatically, and the corresponding notification message appears on the screen
ADVANTAGES:
Decrease of production waste quantities
Prevention of mechanical failures of the machine components caused by accidental film winding on the drum
Time savings due to elimination of necessity to remove the film from the drum
FILM BREAK MONITORING SYSTEM
If the film breaks, the rewinding process is stopped automatically. The sensor measures the length of already wound film and displays the corresponding notification message. After rethreading, the system recalculates the length (weight) still to be wound, which allows the machine to rewind the target length or weight of the film.
ADVANTAGES:
Decrease of production waste quantities
Elimination of prolonged delays due to fast response to the abnormal situation
RECIPES OF REWINDING SETTING
Recipes are a function of the controller menu. It can be used by the operator to configure and save settings of the stretch film rewinding.
ADVANTAGES:
Manufacturing process acceleration
Increase of productivity due to time savings
Simplification of the operator’s work
WINDING DENSITY ADJUSTMENT
Adjustment of the winding tension makes it possible to obtain loose rolls of large diameter or dense rolls of small diameter, but of the same roll weight and stretching percent. One of advantages is a possibility to use cores with various wall thickness without risk of their deformation. Minimal core wall thickness is 1.7 mm.
ADVANTAGES:
Extended assortment of finished products
Flexible approach to manufacture in dependence of specific requirements for finished products
STACKING TABLE
The stacking table is designed for collecting and stacking finished rolls. Thanks to this feature, the operator has no need to extract and transfer the rolls to the hopper/container as soon as the cycle is over.
ADVANTAGES:
Comfortable operator’s activity
REWINDING WITH PRESET WEIGHT
This mode makes it possible to rewind finished rolls with preset (gross) weight.
ADVANTAGES:
High rewinding precision: weight error does not exceed 15 g.
CORE BUSHINGS FOR DIFFERENT IDS
The kit includes plugs 25 to 76 mm in diameter.
This kit is essential if the Customer intends to use variable diameter cores for production.
We can manufacture unique diameter cores customized to your needs
ADVANTAGES:
Extended assortment of finished products
SHOW/HIDE ALL
EXTENDED ENGINEERING MENU FOR TECHNICAL PROFESSIONALS
The extended engineering menu is intended for troubleshooting and setup of the equipment. The control system interface is divided into the following access levels:

1. The first access level for operators
2. The second access level for technical professionals
ADVANTAGES:
Quick troubleshooting (in/out menu)
Convenient equipment change-over to another raw material type (manual debugging mode)
Control at different access levels
Specifications / Technical data
REQUIRED RESOURCES
Air pressure – 6–10 bar
Air consumption – 100 l/min
Power consumption – 12 kWh
Speed
Mechanical speed is – 1,200 m/min
Core hopper capacity
Ø 38 mm – 100 pcs
Ø 50 mm – 50 pcs
Ø 76 mm – 25 pcs
REQUIRED RESOURCES
Air pressure – 87–145 psi
Air consumption – 3,53 cu ft/min
Power consumption – 12 kWh
Speed
Mechanical speed is – 3937 ft/min
Core hopper capacity
Ø 1.5 in – 100 pieces
Ø 2 in – 50 pieces
Ø 3 in – 25 pieces