The Polar PW-1 is a pile lifter — also known as a pile turner — designed for the printing and paper-processing industry. A pile lifter of this type picks up a stack of sheets, rotates it through 180 degrees around a horizontal axis, and sets it back down inverted, allowing operators to air, condition, or flip printed stock without handling individual sheets by hand. Polar is a well-established German manufacturer with a long history of producing precision equipment for print shops and binderies, including guillotine cutters and paper-handling machinery.
This 2001 machine, located in Germany and offered in used condition, handles sheet sizes up to 52 × 74 cm, making it suited to medium-format print production. The internal tub dimensions measure 525 × 840 mm, and the unit accommodates pile heights ranging from a minimum opening of 470 mm up to a maximum opening of 1,255 mm, giving it considerable flexibility across a range of stack heights. The maximum pallet weight capacity is 500 kg.
In operation, the pile is picked up between trays on one side of the unit, automatically rotated around the horizontal axis, and placed upside down on the opposite side. The design is specifically intended to handle freshly printed sheets gently, eliminating the marks and damage that can result from moving piles by hand. All functions are operated from a central control panel. The unit requires ground anchoring for installation but does not need running rails or a floor pit, simplifying siting within an existing pressroom or bindery.
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