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HOME > EQUIPMENT > Forming > Gauge roll
» Gauge roll
Gauge rolls, usually positioned one after the other in series of three or four, have the task of gradually reducing the thickness of the continuous dough sheet coming from the upstream line, until the ideal final thickness is reached so that it can be processed by the rotary cutter unit. They are used in the forming process of hard sweet biscuits and crackers.
The standard unit consists of two 320 mm-diameter rolls made of centrifuged cast iron. The gap between the two rollers is ensured by a servo-controlled roller gap adjustment device mounted on an eccentric. The gap is adjusted by shifting the bottom roller. The dough sheet is fed by an infeed conveyor belt equipped with a pneumatically-operated tension system and an automatic tracking system. The belt of the conveyor is provided with an independent variable-speed drive controlled by a separate motor which runs in cascade with the gauge roller speed.
The final gauge roll has characteristics similar to the standard one, except for its diameter, which is 400 mm, and for the fact that the gaps on the right and left sides of the rolls can be adjusted separately. This ensures precise and flexible adjustment of the final thickness of the dough sheet before it enters the rotary cutter. The final gauge roll is also equipped with independent motors for the top and bottom rolls - a feature of great importance for making sure the sheet of dough does not stick to either of the two rolls.
Another unique feature, designed to control the line speed extremely precisely, has been used by Imaforni since the early 1980s: it is referred to as “Automatic Dough Sheet Loop Control” and consists of a sensor which detects the loop generated by the dough sheet as it enters the nip of the final gauge roll. Sophisticated software automatically adjusts the speed of all the equipment upstream in order to ensure that the tension of the dough sheet is constant as it enters the nip. This means that the sheet of dough is consistent in terms of final thickness and texture, without the operator needing to intervene.
Each unit is complete with its own touch-screen panel from which the operator can make all the necessary fine-tuning adjustments.
The unit can be supplied with a working width from 1000 up to 1700 mm.
All the mechanical components of the unit are housed outside the frame of the machine. This solution, which is in line with the company’s design philosophy, facilitates sanitation and cleaning of the machinery and makes access easier for inspection and servicing.
» For any further clarification concerning our products contact us
Gauge rolls, usually positioned one after the other in series of three or four, have the task of gradually reducing the thickness of the continuous dough sheet coming from the upstream line, until the ideal final thickness is reached so that it can be processed by the rotary cutter unit. They are used in the forming process of hard sweet biscuits and crackers.
The standard unit consists of two 320 mm-diameter rolls made of centrifuged cast iron. The gap between the two rollers is ensured by a servo-controlled roller gap adjustment device mounted on an eccentric. The gap is adjusted by shifting the bottom roller. The dough sheet is fed by an infeed conveyor belt equipped with a pneumatically-operated tension system and an automatic tracking system. The belt of the conveyor is provided with an independent variable-speed drive controlled by a separate motor which runs in cascade with the gauge roller speed.
The final gauge roll has characteristics similar to the standard one, except for its diameter, which is 400 mm, and for the fact that the gaps on the right and left sides of the rolls can be adjusted separately. This ensures precise and flexible adjustment of the final thickness of the dough sheet before it enters the rotary cutter. The final gauge roll is also equipped with independent motors for the top and bottom rolls - a feature of great importance for making sure the sheet of dough does not stick to either of the two rolls.
Another unique feature, designed to control the line speed extremely precisely, has been used by Imaforni since the early 1980s: it is referred to as “Automatic Dough Sheet Loop Control” and consists of a sensor which detects the loop generated by the dough sheet as it enters the nip of the final gauge roll. Sophisticated software automatically adjusts the speed of all the equipment upstream in order to ensure that the tension of the dough sheet is constant as it enters the nip. This means that the sheet of dough is consistent in terms of final thickness and texture, without the operator needing to intervene.
Each unit is complete with its own touch-screen panel from which the operator can make all the necessary fine-tuning adjustments.
The unit can be supplied with a working width from 1000 up to 1700 mm.
All the mechanical components of the unit are housed outside the frame of the machine. This solution, which is in line with the company’s design philosophy, facilitates sanitation and cleaning of the machinery and makes access easier for inspection and servicing.
» For any further clarification concerning our products contact us
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