This Heidelberg Stahlfolder TH Flexo-Folder Gluer is a used flexo-folder gluer — sometimes referred to as a folder-gluer — dating from 2004 and currently located in Germany. Flexo-folder gluers are specialist finishing machines used in the packaging industry to print, crease, fold, and glue flat blanks into finished cartons and boxes in a single integrated pass. Heidelberg is a long-established German manufacturer widely recognised for high-precision equipment serving commercial print, packaging, and finishing operations worldwide.
The machine accepts sheet stock ranging from a minimum plano format of 14 × 18 cm up to a maximum of 56 × 90 cm, giving it a broad working range suitable for a variety of carton sizes. It handles paper weights from 40 to 250 g/m², making it compatible with lightweight board through to heavier packaging substrates. The minimum fold length is 6 × 6.85 cm, and the maximum stacking height reaches 80 cm. The folding rollers have a diameter of 44 mm, and the machine is capable of running at a maximum speed of 230 metres per minute, representing a high throughput capacity for production environments.
The configuration includes an FFH 56 flat pile feeder with Tremat, which provides a stable and continuous sheet feed from a flat pile. The first working station features four combination buckle plates with a 56 cm infeed width, accompanied by a downstream slitter shaft for in-line cutting operations. Machine monitoring and control is supported by a SAK 66 shed display panel.
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