Petratto Mini BAT 2 automatic beam creasing 2009
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Petratto bar creasing machines work with creasing knives and commercially available creasing matrices. The matrices are attached to quickly exchangeable lower tool holders in order to achieve different crease widths and depths with the most varied of grammages. An easy-to-use touchscreen unit can be used to program 36 creases per sheet and save recurring jobs. The high quality of the bar creasing is achieved by deforming the sheet at a standstill. The compression of the printing material during the creasing process prevents the printing ink from bursting, especially in the case of difficult-to-fold, matt-coated or laminated products. The beginning of the sheet is recognized by a light barrier.