The Horizon ST-20R is a used pile turner — sometimes referred to as a sheet jogger or pile jogger — designed for stacking and sorting printed materials in post-press workflows. Horizon is a well-established Japanese manufacturer of finishing and bindery equipment, producing machines for the commercial print, digital print, and publishing industries. This particular unit is located in Germany and is available in used condition.
What sets this model apart from the standard ST-20 is its right-side delivery configuration, which allows it to be integrated into production lines where space layout or workflow direction requires output to the right. The stacker accepts sheets in two modes — flat stacking or offset stacking — giving operators flexibility when handling different print jobs and making it straightforward to keep sets separated within a pile.
In terms of sheet capacity, the ST-20R accommodates a maximum sheet size of 450 × 310 mm and a minimum of 185 × 128 mm, covering a broad range of standard and smaller-format printed stock. The stack height reaches up to 320 mm, meaning the machine can accumulate a substantial pile before requiring an operator to clear the tray, reducing interruptions to the production flow. The unit itself measures 652 × 550 mm in footprint and weighs 62 kg, making it a compact, benchtop-scale piece of equipment suited to space-conscious environments.
The ST-20R is compatible with a range of Horizon collating and feeding machines, including the MC-80a, VAC-100a, VAC-60Ha, VAC-1000, and VAC-600, making it a practical addition to existing Horizon finishing lines.
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