SPEED SD-LS250

SD-LS250 Vertical Stacker

Vertical stacking design delivers neat, aligned paper piles.

SD-LS250 overview

Vertical delivery and stacking for folded sheets. Confirm the sheet format, stack requirements and connection to the folding line before specifying the unit.

Numerical specifications are confirmed on request for the selected unit and line configuration.

Performance Features

  • Aligned delivery: Vertical stacking design delivers neat, aligned paper piles
  • Stack handling: High stacking capacity reduces manual unloading frequency
  • Continuous production: Supports continuous bulk production and streamlines downstream processing

Technical specifications

Reference specifications for SD-LS250. Confirm the final dimensions, speed and included equipment for your ordered configuration.

Specification sheet on request

The parameter table for this model is issued with the quotation so that the figures match the configuration you order. Send your sheet size, paper weight and fold pattern and we will confirm them, or run a fold test on your own stock.

Request the datasheet

Components & configurations

Component availability and inclusion depend on the confirmed machine configuration.

Basic Structure

Second folding unit with buckle plates and a transfer table

1.Second Folding Unit

  • Expands folding combinations to support complex fold patterns and custom applications
  • Enables multi-stage folding for sophisticated print finishing production
  • Reduces secondary processing steps to improve overall production efficiency
Electronic sheet feeder above the paper pile

2.Electronic Feeder

  • Precisely controls sheet feeding speed and spacing for consistent registration
  • Minimizes double-sheet and misalignment errors even at high production speeds
  • Ensures stable feeding across a wide range of paper grammages and stock types
Vacuum suction wheel and sheet feeding assembly

3.Three-hole Suction Wheel

  • Separates and picks up single sheets via vacuum suction to prevent double feeding
  • Works reliably with a wide range of paper grammages without slipping
  • Ensures smooth, accurate sheet pickup for continuous high-speed operation
Buckle folding plates on a SPEED paper folding machine

4.Buckle Folding Plates

  • Precision-engineered buckle structure delivers sharp, uniform fold creases
  • Enables fast format adjustment to minimize job changeover time
  • Supports all standard folding styles and custom fold configurations
Folding rollers inside a SPEED paper folding unit

5.Folding Rollers

  • Precision-machined wear-resistant rollers deliver uniform pressure
  • Produce clean, mark-free folds on all compatible paper stocks
  • Retain long-term accuracy under continuous heavy-duty production
Transfer bridge between folding units

6.Transfer Bridge

  • Transfers sheets smoothly between folding units with zero positional deviation
  • Prevents paper skew during multi-stage conveyance
  • Preserves consistent folding accuracy across the entire production process
Electrical components inside the machine control cabinet

7.Industrial-Grade Electrical Control Cabinet

  • Built with world-renowned brand electrical components for exceptional stability
  • Delivers strong anti-interference performance and extended service life
  • Cuts unplanned downtime and reduces long-term maintenance costs

Optional Configurations

Automatic sheet feeder above the paper pile

1.Automatic Sheet Feeder

  • Enables fully automatic continuous feeding with automatic sheet alignment
  • Significantly reduces manual loading labor and operator workload
  • Delivers stable, efficient feeding for extended uninterrupted production
Operator checking sheets with the CCD inspection monitor

2.CCD Vision Inspection System

  • Performs real-time high-precision detection of fold accuracy and defects
  • Automatically rejects non-conforming sheets to boost production yield
  • Eliminates manual inspection labor and lowers quality control costs
Independent cutting unit on a mobile stand

3.Independent Cutting Unit

  • Stand-alone module delivers high-precision, burr-free paper cutting
  • Can be enabled or disabled independently to match production workflows
  • Allows flexible adjustment to suit different job specifications
High-speed sheet transfer conveyor

4.High-Speed Transfer Conveyor

  • Transfers sheets rapidly and steadily between process stations
  • Maintains precise positioning to preserve folding accuracy
  • Increases overall production throughput for high-speed folding lines
Ultrasonic double-sheet sensor above the sheet path

5.Ultrasonic Double Sheet Sensor

  • Accurately detects paper thickness and double-sheet conditions
  • Features fast response, immune to paper color and transparency differences
  • Effectively prevents feeding errors for uninterrupted production
Glue application system control panel

6.Glue Application System

  • Precisely controls glue volume and application position
  • Creates uniform glue lines for consistent, clean bonding without overflow
  • Compatible with various paper types and glue formulations
Inline labeling unit with a label reel

7.Inline Labeling Unit

  • Operates in sync with the folding process for fully integrated production
  • Applies labels with precise registration and bubble-free adhesion
  • Eliminates offline labeling steps to boost overall production efficiency
Vertical stacker delivery unit

8.Vertical Stacker Delivery

  • Vertical stacking design delivers neat, aligned paper piles
  • High stacking capacity reduces manual unloading frequency
  • Supports continuous bulk production and streamlines downstream processing

Specify the SD-LS250 for your production line

Send your existing equipment, material, finished dimensions and production requirements. Our team can review the module specification and line integration.