Precision Thread Sewing and Folding Machines for Modern Bookbinding

In the printing and publishing industry, binding quality plays a decisive role in customer satisfaction. Thread sewing remains one of the most reliable binding techniques, offering superior strength, flexibility, and longevity compared to adhesive or staple binding. The Center Saddle Thread Sewing machines preserve these advantages while introducing advanced automation to streamline production.

HX1800CTSO Center Saddle Thread Sewing and Outward Folding Machine

Center Saddle Thread Sewing and Inward Folding Machine

The Outward Folding model positions the thread pinholes on the outside of the fold, creating a distinctive visual style often chosen for art books, children's publications, and collectible editions. The Inward Folding model conceals the pinholes inside the fold, producing a clean, formal interior ideal for corporate reports, bank account books, and official documents.

Versatility is a major strength of both machines. Within their supported size range, they can sew up to four separate book blocks simultaneously—quadrupling output without increasing labor requirements. This capability is invaluable for binderies handling short‑run, high‑mix jobs such as custom stationery, security printing, and limited‑edition releases.

Precision is ensured by optical fiber sensor control, which governs stitch timing and tension. This eliminates common sewing defects like skipped stitches, uneven spacing, or inconsistent tension, ensuring uniform quality across every copy in a production run.

Speed and efficiency make these machines suitable for industrial environments. Depending on book size, output ranges from 800 to 1800 books per hour. Automated thread cutting, folding, spine pressing, and delivery further reduce manual handling, shorten production cycles, and lower labor costs.

Operation is straightforward and accessible. Both machines run on 220V single‑phase power at 5.2kW and require 6–8 bar compressed air for pneumatic folding and pressing. Their compact footprint (2830×1500×1500mm) and moderate weight (580kg) make them suitable for most production facilities without major modifications.

For printers, bookbinders, and specialty manufacturers, these machines offer a rare combination of traditional craftsmanship and modern automation. Whether your priority is the visible stitching of outward folding or the refined interior of inward folding, the Center Saddle Thread Sewing series delivers reliable, high‑quality results at industrial speeds.