Horizontal Kraft Paper Slitting Machine

The Horizontal Kraft Paper Slitting Machine LFQ-1100, LFQ-1300, and LFQ-1600 converts large kraft paper rolls into narrower finished rolls in a single pass. It unwinds the mother roll, slits it to customer-defined widths using straight or circular blades, and rewinds the cut sections onto individual cores. The machine runs at 5 to 180 m/min and maintains a cutting precision of ±0.5 mm, making it suitable for producing custom-width paper rolls for packaging, printing, and industrial use.

Converts large kraft paper rolls into multiple narrower rolls in one continuous process without manual handling
Slits paper to widths from 30 mm to 600 mm with a precision of ±0.5 mm for consistent roll quality
Supports both straight blades for film and circular blades for paper, allowing flexible material handling
Automatic edge tracking with photocell ensures accurate alignment during slitting of transparent or colored materials
Magnetic powder brake and clutch control unwinding and rewinding tension for stable web handling

Why It Is Specified

Key Benefits

Converts large kraft paper rolls into multiple narrower rolls in one continuous process without manual handling
Slits paper to widths from 30 mm to 600 mm with a precision of ±0.5 mm for consistent roll quality
Supports both straight blades for film and circular blades for paper, allowing flexible material handling
Automatic edge tracking with photocell ensures accurate alignment during slitting of transparent or colored materials
Magnetic powder brake and clutch control unwinding and rewinding tension for stable web handling
Automatic meter counting stops the machine at the set roll length, reducing operator workload

Where It Runs

Application Scenarios

Packaging converters producing custom-width kraft paper rolls for carton sealing, wrapping, or cushioning
Printing houses preparing narrow kraft rolls for label stock or packaging inserts
Industrial facilities needing consistent paper widths for machine feeding or wrapping operations
E-commerce packers cutting large rolls into smaller rolls for on-demand wrapping
Paper mills converting parent rolls into finished product rolls for local distribution

Who It Is For

Packaging converters who need to produce narrow kraft rolls in-house instead of buying pre-cut rolls
Printing companies that require custom-width paper rolls for their production lines
Industrial operations using narrow kraft rolls in automated wrapping or feeding systems
Distributors supplying kraft paper rolls to regional markets with specific width requirements
Manufacturers replacing plastic film rolls with paper equivalents in their packaging lines

Problems It Solves

Buying pre-cut kraft paper rolls from third parties limits width flexibility and increases cost per unit
Manual slitting or rewinding leads to inconsistent roll widths and poor tension control
Lack of edge tracking causes misalignment when slitting transparent or colored paper
Inconsistent roll lengths waste material and require constant operator attention
No integrated tension control causes web breakage or wrinkling during high-speed slitting

Technical Features

Horizontal slitting and rewinding design with unwinding and rewinding shafts located at front and back
Independent master control panel for flexible and easy operation
Automatic EPC system for unwinding with consistent tension
Photocell edge and color tracking suitable for transparent or colored materials
Magnetic powder brake for unwinding tension control
Magnetic clutch for rewinding tension control
Straight blade option for film materials (10-75 um thickness)
Circular blade option for paper materials (10-350 um thickness)
Automatic meter counting device stops the machine at preset roll length
Optional rim charge conveying or rewinding device available on order

As Published by the Factory

Specifications

Specifications for Horizontal Kraft Paper Slitting Machine
Description	LFQ-1100
Max.width of mother roll	1050 mm
Max.diameter of mother roll	1000 mm
Max.diameter of finished roll	500 mm
Min. slitting width	30 mm
Width of final roll	30-600 mm
Slitting thickness	10-75um (Streight blade) better for film 10-350um (Circle blade) better for paper
Cutting Speed	5-180 m/min
Precision for correct and error	< ±0.5 mm
Total power	3.3 kW
Gross weight	1800 kg
Overall dimensions	2400x1880x1450 mm

Materials It Runs

Kraft paper from 10 to 350 um thickness
BOPP, PET, CPP, CPE, PVC, aluminum foil, and other film materials from 10 to 75 um thickness

Manufacturing and Process

Load the mother roll onto the unwinding shaft with a maximum diameter of 1000 mm
Set the desired slitting width and number of lanes on the control panel
Select straight blade for film or circular blade for paper based on material thickness
Engage the automatic EPC unwinding system and photocell edge tracking
Start the machine at low speed and adjust tension using magnetic powder brake and clutch
Monitor the slitting process and ensure all cut edges are within ±0.5 mm tolerance
Rewind each slit section onto individual cores with controlled tension
Stop automatically when the meter counter reaches the preset roll length

Quality Control

Cut edge alignment verified against ±0.5 mm tolerance during test runs
Photocell edge tracking tested on transparent or colored materials before full production
Tension control system checked with different paper and film grades during setup
Meter counter calibrated to match the target roll length before shipment
Machine tested at full 180 m/min speed with a representative material sample before packing

Certifications

ISO 9001:2000 certificate obtained in 2005
CE certificate obtained in 2006

Customization Options

Slitting width and number of lanes configured to match the buyer's roll requirements
Blade type (straight or circular) selected based on material thickness and type
Optional rim charge conveying or rewinding device added on order
Power supply built to local voltage and phase on request
OEM badging and manual language available upon request

Compared With the Alternatives

Buying pre-cut kraft paper rolls

In-house slitting allows custom widths and reduces material waste, though it requires holding parent rolls and an operator

Manual slitting with hand tools

The machine ensures consistent width and tension, but requires setup time and electrical power

Vertical slitting machines

Horizontal design allows easier access and better material handling, though it uses more floor space

Plastic film slitting lines

This machine handles paper and film but does not include anti-static or corona treatment features

Use Guide

Mount the mother roll onto the unwinding shaft, ensuring it fits within 1000 mm diameter
Set the target width and number of slits on the control panel, selecting straight or circular blades as needed
Activate the photocell edge tracker and align it with the material edge or color mark
Start the machine at low speed (5 m/min) and adjust tension using the magnetic powder brake and clutch
Verify that all cut edges are within ±0.5 mm tolerance and that the web runs straight
Set the meter counter to the desired roll length and start full production
Stop the machine automatically when the counter reaches the set length