The Smyth DX-50 is a folding machine — sometimes referred to as a paper folder — offered here as a used 2017 example located in the Netherlands. Folding machines are used in bookbinding and print finishing to fold printed sheets into signatures ready for binding, and Smyth is a well-established name in the bookbinding equipment industry, long associated with thread sewing and book-production machinery for commercial and industrial print environments.
This particular unit is a semi-automatic system combining a folding machine with a Smyth FX-50 thread book sewing machine, designed to produce digitally printed sewn books composed of four-page inserted signatures. The system is conceived for on-demand and short-to-micro run digital print production and is operated by a single person throughout the entire production process. No specialist training is required, and format changeover is described as straightforward, with a setup time of approximately five minutes. The folding unit is also modular, meaning it can be integrated at a later stage if needed.
In operation, printed sheets are loaded manually into the feed tray in sequence, aligned on both sides, and transported to the collecting station. There, a cross knife unit folds the sheets by moving vertically from bottom to top. The knife-scored and folded signature is then transferred between two pneumatically driven facing plates that press the fold before passing it to the fixed saddle of the sewing machine.
The FX-50 sewing unit supports two production modes. With manual front loading, the machine reaches a maximum mechanical speed of 14 cycles per minute and accepts signatures up to 510 × 550 mm, with a minimum of 125 × 100 mm. With semi-automatic side loading, the maximum mechanical speed rises to 16 cycles per minute and the signature size range is 510 × 350 mm maximum and 150 × 100 mm minimum. Both modes share the same stitch count of 14, a stitch length of 18, and a paper weight range of 50 gsm minimum to 150 gsm maximum. The sewing unit can also be used as a standalone offline machine. Overall machine dimensions are 3.10 × 1.39 metres with a height of 1.60 metres.
This description was generated automatically from the listing details and may not reflect every specification. Please confirm with the seller before purchase.