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Semi-automatic stretch film rewinder SAR-UNI

Semi-automatic stretch film rewinder
SAR-UNI
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slitting rewinding machine SAR UNI
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Semi-automatic stretch film rewinder SAR-UNI is designed to rewind stretch film from Jumbo roll (maximum film width is 1000mm) to hand/machine rolls and mini-rolls (with paper core handle and without). The rewinder is equipped by slitting unit to make specified quantity of mini-rolls with minimal roll width 50mm.
SAR-UNI is equipped by variable-speed pulley, which makes capable to adjust tension of rewinding. This function is helpful to rewind wide range of materials: PE, PVC, PP, HDPE, LDPE, etc.
The rewinder can be used to rewind recycled stretch film and used paper cores. Therefore, the SAR-UNI can be used as a “doctor machine”.
The rewinder is simple and convenient in operation
- Jumbo rolls can be loaded from the floor level, which accelerates and simplifies the operator’s activities.
- Manual centering of Jumbo rolls makes it possible to produce quality products with flat edges.
- Easy and fast knife installation for slitting option.
- Full security protection with interlock function for opened protective doors.
Products
sar-uni01
sar600_01
sar600_02
sar600_03
sar600_04
sar600_05
Paper roll and mini paper roll
Mini roll
Mini rolls with a long paper core
Machine roll
Hand roll
Household roll
Materials
* We make nonstandard core IDs upon request
Productivity
SAR-UNI PRODUCTIVITY
50 tonnes per month
SAR-UNI PRODUCTIVITY
55 tons per month
Class-Engineering produces
high-performance equipment.
Our rewinders have the highest
productivity
in the world.
We want to show it in real figures and
we are currently working on a productivity calculator.
Thanks to this service you will learn
what factors influence
productivity, and you can calculate yours.
Performance
calculator COMING soon!
This block is currently in development.
We can inform you on its readiness.Click
Here

Functions and options
LONGITUDINAL WEB CUTTING
LONGITUDINAL WEB CUTTING
This unit is used for longitudinal cutting and separation of stretch film into several flows to make mini-rolls of any width. The most commonly used mini-roll sizes are 50 х10, 83 х6, 100 х5, 125 х4, 166 х3, 250 х2

1. MINI-ROLLS
If an additional section (tool) is used for longitudinal cutting, it is possible to rewind mini-rolls with width of at least 5 cm.

2. MINI-ROLLS WITH LONG CORE
If an additional plastic insert (tube) is used, it is possible to obtain rolls with various core length: long, extra-long, short.
ADVANTAGES:
Increase of productivity
Extended assortment of finished products
REWINDING WITH PRESET LENGTH
REWINDING WITH PRESET LENGTH
This mode makes it possible to rewind finished rolls with preset length of the film.
ADVANTAGES:
High rewinding precision: length error does not exceed 1 m.
MANUAL JR CENTERING
MANUAL JR CENTERING
The machine design includes a mechanical web centering system. It is possible to center the JR manually. As the system handle is rotated clockwise, the JR moves to the right side. Counter clockwise rotation makes it move to the left.
ADVANTAGES:
Marketable appearance of the roll
CORELESS BAKING PAPER WINDING
CORELESS BAKING PAPER WINDING
Designed to wind paper rolls without using cardboard plugs. Used in tandem with unwinder arm
ADVANTAGES:
Extended assortment of finished products
CORE BUSHINGS FOR DIFFERENT IDS
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
LONGITUDINAL WEB CUTTING
This unit is used for longitudinal cutting and separation of stretch film into several flows to make mini-rolls of any width. The most commonly used mini-roll sizes are 50 х10, 83 х6, 100 х5, 125 х4, 166 х3, 250 х2

1. MINI-ROLLS
If an additional section (tool) is used for longitudinal cutting, it is possible to rewind mini-rolls with width of at least 5 cm.

2. MINI-ROLLS WITH LONG CORE
If an additional plastic insert (tube) is used, it is possible to obtain rolls with various core length: long, extra-long, short.
ADVANTAGES:
Increase of productivity
Extended assortment of finished products
Specifications / Technical data
COMPRESSED AIR
Air pressure – 6–10 bar
Air consumption – 20 l/min
Speed
Mechanical speed – 500 m/min
ELECTRIC POWER SUPPLY
Power consumption – 2 kWh
Supply voltage – 220 V, 50 Hz
COMPRESSED AIR
Air pressure – 87–145 psi
Air consumption – 0.7 cu ft/min
Speed
Mechanical speed – 1640 ft/min
ELECTRIC POWER SUPPLY
Power consumption – 2 kWh
Supply voltage – 220 V, 50 Hz