Libra SR

Libra SR

Icon_Book_On_Demand

  • Suitable for sew binding
  • Pre-glued book blocks
  • Variable signature length on the fly
  • 2-up, 3-up, 4-up imposition
  • Speed up to 130 m/min (430 ft/min)
SKU: LibraSR Category: Tags: ,

Short Run book-block production: Libra SR is an automated system for producing short run pre‑glued book blocks, ready for nearline binding.

Produce short run books variable in thickness, automatically. Libra SR accommodates book blocks containing a varying number of signatures from one book to the next.

As the average book run is being significantly reduced, Libra SR is the solution to support short run production. With Libra, users can slash book stocks to zero, reducing dramatically paper waste and the risk of unsold inventory.

Libra SR enables users to reach new markets where short runs are mandatory, such as manuals, limited editions, new authors publishing, art books, research papers, republishing, financial reports and more: small volume publications become an opportunity.
Supporting run speeds up to 130 m/min (430 ft/min), Libra SR provides complete flexibility and efficiency for short run book production.

 

Libra SR can operate inline or nearline to digital printers at speeds up to 130 m/min (430 fpm). The system starts from a roll up to 520 mm (20.5”) wide, printed in 2-up, 3-up or 4-up and generates 12, 18 or 24 page signatures.Each book block can be composed of a variable number of signatures to produce book blocks on demand variable in thickness.

Book blocks can be pre-glued and offset-stacked to facilitate operator handling and transportation to the next finishing phase. Pre-gluing can be disabled for applications printed 2-up or 4-up for sew binding near-line.

One, two or three vertical perforations are performed on each signature depending on the imposition selected, to ease the folding process and book-block assembly.

In a unique, patented feature of Tecnau’s Libra SR, waste pages are minimized by reducing the size of the last signatures. Depending on the number of pages of each book, the last signatures may be shortened in length to 8 page (2-up), 12 page (3-up) and 16 page (4-up) signatures, minimizing the number of white pages at the end of each book.

The entire process is controlled via 2D Datamatrix code printed on each signature. This information drives the system and keeps control of the product’s integrity. A touch screen display starts and controls the system, setting up every module and displaying errors and alarms.

Speed max.

Paper Weight

Web width

Imposition

Book thickness

Stacker s20 with 90° Conveyor
For alternative outputs or near-line finishing, the Libra SR builds 8.5” stacks. Once paper is accurately cut and stacked, each set can be delivered to a 90° conveyor one at a time, individually offset within the stack or when the operator-programmed stack height is reached. Stacks are delivered 1-up, 2-up, 3-up, or 4-up, and can then be easily transported to near-line finishing units, such as Binders or Stitchers. Applications may include direct mail and commercial print including brochures, flyers, general marketing material or flat sheets.

Libra SR Brochure A4

Libra SR Brochure US

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