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Koenig has developed the multifunctional stamping unit for endless dough forming applications.

The new belt stamping unit combines several work processes in only one step:
the special multi-level design of the tools enables embossing, forming and punching of dough pieces in one step on the conveyor belt.

The unit features an endless variety of products, such as pizza snacks, donuts, bagels, choux pastry rings, cinnamon rings or cookies. The dough pieces can also be decorated individually with the customer logo. Customers can choose from different sizes of shapes or holes, e.g. for donuts.

The various tools can be retrofitted at any time. In addition, the rows can be selected flexibly; a customer can set the rows depending on the product.

The unit can be integrated into every industrial line of Koenig and used for dough pieces coming from dough dividers and rounders as well as from the dough sheet.

The line has a capacity of up to 57,600 pieces per hour at 12-row operation, which corresponds to 80 strokes/min. in a 2-module version.

Working principle:

Due to an innovative multi-level tool holding device, the movements of the stamping, embossing and forming tools can be individually selected. This concept enables exact embossing, forming and punching on the conveyor belt in one step.

Each stamping, embossing and forming tool in the multi-piece construction contains for example for donuts a centering device, a calibration disk, a cutting device and a calibration stamp. The centering ring surrounds the dough piece, the calibration disk and the calibration stamp calibrate the dough piece to a uniform thickness and the cutting device forms a centered stamping hole. Afterwards, the stamping hole will be punched out. This guarantees absolutely even shapes, weights and optimal product quality.