The Heidelberg Stahlfolder Ti 52-4-4-Fi is a high-performance buckle folding machine designed for precision and efficiency in commercial printing and finishing operations. Manufactured in 2006, this model combines robust construction with advanced folding capabilities, making it ideal for producing brochures, booklets, flyers, and other folded materials. Key features include a flat pile feeder with Tremat and side blowers, a DCT control system, and a mobile shingle delivery SAK 56 for streamlined output. With six pockets (52cm) and a downstream knife shaft, it handles a wide range of folding applications while ensuring consistent quality. The machine is equipped with a pneumatic window folding pocket, Omron photocell, and steel ACC 2.4 control unit, enhancing operational reliability and ease of use. Suitable for medium to high-volume production, this folding machine delivers accuracy, speed, and versatility for modern print finishing needs.