Product Overview
High-Speed Servo-Driven Slitting Equipment converts wide parent rolls into multiple narrow finished rolls through controlled unwinding, web guiding, slitting and servo-driven rewinding. It is used for continuous roll converting where finished width, roll diameter, web tension and running speed need to match defined production requirements.
The machine can be configured for films, paper, foil and laminated webs based on material thickness, parent-roll dimensions and finished-roll specifications.
Material Compatibility
PET, BOPP, PE and CPP films can be processed according to thickness, elasticity, surface condition and winding behavior.
Paper and aluminum foil require suitable tension ranges, knife arrangements and winding settings based on material thickness and roll structure.
Laminated webs can be processed with controlled web movement and an appropriate slitting method for the required finished edge.
Production Fit
Continuous Converting
The machine converts one wide parent roll into multiple finished rolls during a continuous production run.
Multiple Widths
The knife layout can be arranged for different finished widths, lane quantities and core dimensions.
High-Speed Runs
Servo-driven unwinding and rewinding synchronize web movement as parent-roll and finished-roll diameters change.
Slitting Configuration
Knife Selection
Razor or shear slitting can be selected according to substrate structure, thickness and required edge condition.
Knife Positioning
Knife spacing is set according to finished width, trim allowance and the required number of lanes.
Edge Quality
Blade condition, knife positioning and web tension work together to maintain a defined slit edge during production.
Servo Drive & Tension
Unwinding Control
Servo-driven unwinding regulates web movement as the parent-roll diameter decreases through the production cycle.
Web Guiding
Automatic web guiding maintains lateral alignment before the material enters the slitting and rewinding sections.
Rewinding Control
Servo-driven rewinding regulates winding torque and speed according to finished-roll width, diameter and material characteristics.
Key Technical Parameters
|
Parameter |
Typical Specification |
|
Maximum Working Width |
1,300–2,000 mm |
|
Maximum Slitting Speed |
Up to 500 m/min |
|
Maximum Unwind Diameter |
Up to 1,300 mm |
|
Maximum Rewind Diameter |
Up to 800 mm |
|
Minimum Finished Slit Width |
From 50 mm |
|
Core Diameter |
3" / 6" |
|
Control System |
PLC + HMI |
|
Drive System |
Servo |
Application Areas
Flexible Packaging
Used to convert packaging films into defined widths for subsequent printing, laminating or packaging operations.
Film Converting
Suitable for PET, BOPP, PE, CPP and similar films requiring controlled slit width and finished-roll geometry.
Paper Converting
Used for paper rolls requiring multiple finished widths and controlled winding conditions.
Foil Processing
Suitable for aluminum foil and other thin webs where controlled tension and accurate slitting are required.
Finished-Roll Requirements
Roll Width
Finished width depends on the required slit pattern, trim allowance and downstream process dimensions.
Roll Diameter
The rewind diameter should correspond to handling, storage and subsequent processing requirements.
Winding Hardness
Winding settings are selected according to material thickness, elasticity, surface condition and finished-roll diameter.
Selection Checklist
Before specifying the machine, confirm:
● Parent-roll width and diameter
● Material type and thickness
● Target production speed
● Finished-roll widths
● Number of slitting lanes
● Core diameter
● Maximum rewind diameter
● Required slit-edge condition
● Web guiding and tension-control requirements
Production Value
Stable Roll Formation
Controlled winding parameters help maintain consistent finished-roll geometry across different widths and diameters.
Repeatable Production
Production settings can be recorded for established materials, slit patterns and finished-roll specifications.
Centralized Control
PLC and HMI control provide operating access to speed, tension, web guiding and production parameters from one interface.
FAQ
Q: What materials can this slitter rewinder process?
A: The machine can be configured for flexible films, paper, aluminum foil and laminated webs according to material thickness, stiffness and winding characteristics.
Q: What determines the required working width?
A: Parent-roll width, finished-roll widths, trim allowance and the number of lanes determine the required working width.
Q: How is winding quality controlled at high speed?
A: Servo-driven unwinding and rewinding coordinate web movement with tension and guiding controls to maintain the required winding condition.
Q: What information is required for machine selection?
A: Material type and thickness, parent-roll width and diameter, finished widths, core diameter, rewind diameter, target speed and slitting method should be confirmed.
Q: Can different slit-width patterns be used?
A: Yes. The knife arrangement can be changed according to finished widths, lane quantity, trim requirements and material characteristics.
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