K4 PLUS
Seam Machine

The K4 PLUS combines all the advantages of the new PLUS technology with non-stop operation. The new PLUS series is the most advanced seamer in the industry. Karlville has once again innovated by launching the third generation of seamers which eliminates the forming tool. This new patented design makes the K4 PLUS the most operator friendly machine available, facilitating operator training with the most automated machine on the market. The K4 PLUS has 3 tension zones, which allows for a dedicated tension zone in the forming section for better layflat control. The unwind tension zone is now free to add innovations like laser integration for t-perforation or pin hole perforation while the film is flat.

The K4 PLUS offers a long list of advantages that solve the issues that come with the previous generation of machines that use forming tools. This new machine promises to revolutionize the way shrink sleeves are converted.

Make sure you see it before making any decisions.

Machine Specification

  • Machine Speed 500m/min
  • Sleeve width range 15 - 350mm
  • Material width 750mm
  • Unwind diameter 800mm
  • Rewind diameter 600mm
  • Core diameter 76mm
  • Lay flat tolerance 0.15mm
  • Material to be processed PVC, PET, PETG, OPS, PLA
Information
  • Main Advantages
  • Unwind Section
  • Un Registered Pin holes
  • Needle Positioning - Secondary Edge Guide
  • Automatic Friction-Free Lay Flat System
  • Closed Lay Flat Feedback Loop
  • Options
  • Laser Scoring

Main Advantages

 

  • No forming fingers = no friction = less ink and film wear
  • Fastest set-up in the industry
  • Auto-correct feedback loop, recipes
  • Additional nip = better tension control
  • Unwind independent tension zone
  • Seam as close as 5mm from the edge of the film
  • Narrow web labels without tooling
  • No wear parts on forming system

 

Unwind Section

 

  • Nip roller before the forming section
  • Isolated tensions in the unwind section:
    • pin holes
    • mechanical perforation
    • laser perforation

 

Un Registered Pin holes

 

  • Pin holes on flat film
  • Isolated tension
  • Pin holes interchangeable with continuous perforation

 

Needle Positioning – Secondary Edge Guide

 

  • Available for more than 5 years.
  • Needle needs to adjust to the edge of the film.
  • Avoid blocking issues and raised lips.

 

Automatic Friction-Free Lay Flat System

 

  • No forming fingers = friction eliminated inside the film
  • The ink layer is isolated from the process
  • Easy to place the seam 5mm from the side
  • No adjustments of the forming section over time: the side plates are flat on a table
  • Fast Change Over 5 to 10 Minutes
  • High Quality Lay Flat
  • Patent Pending

 

The Third Generation Seamer sets-up:

 

  • Lay flat entered by operator
  • Plates move automatically
  • Film set-up/folding
  • Auto Lay Flat Correction
  • 5-10 min set-up – 10m of waste or less per set-up

 

Quality Control System integrated with labeler:

 

  • Auto quality check with flag

 

Laser Scoring

Karlville Lasx Illustration 2

Possible Laser Processes

  • T Cross Perforation
  • V Cross Perforation
  • Swirl Patter for Tamper Evident
  • Tear Strip for Recycling
  • In Register Micro Steam Vents

 

Laser Processes – Shrink Sleeves

Laser Processes Table
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Lasx Image

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