The Desta SAK 450 KF3 is a folding machine — sometimes referred to as a folder or buckle folder — designed for pressing and finishing folded printed products. Desta builds equipment for the print finishing and bookbinding industries, and this machine is configured specifically as an arch press unit for small-format work.
The machine handles single products such as small folds and is equally suited to single or multiple-up applications. Two independently adjustable pairs of press rollers are fitted: a pre-press roller with a 40 mm diameter and a main press roller with a 60 mm diameter, allowing the pressing action to be staged and fine-tuned for different product types and thicknesses. Sheet thickness adjustment is described as easy and quick, and the infeed belts can be repositioned without significant effort. Format changes can be carried out without tools, keeping changeover times to a minimum.
The format range runs from a minimum of 30 mm × 50 mm up to a maximum of 450 mm × 450 mm, and the machine accepts products up to 8 mm thick. Pressing force is rated at 8,000 N. Operating speed is variable between 30 and 160 metres per minute, giving operators flexibility across different production speeds and product requirements.
An integrated control unit with Start/Stop functionality is built in. Infeed height is adjustable via a lifting table, with a minimum height of 550 mm and a maximum of 900 mm, accommodating different feed configurations in the pressroom. The machine was manufactured in 2008, is offered in used condition, and is currently located in Germany.
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