A revolving flat card for processing fibers, - including a cylinder having a cylinder axis , a cylinder diameter , a cylinder surface , and a cylinder rotational direction , and - including a licker-in , having a licker-in axis and a licker-in diameter , situated on the circumference of the cylinder , and - including a doffer , having a doffer axis and a doffer diameter , situated on the circumference of the cylinder , and - including a revolving flat unit situated on the circumference of the cylinder , - wherein a fiber transport direction is determined by the cylinder rotational direction in the direction from the licker-in to the doffer , and - wherein the revolving flat unit is situated between the licker-in and the doffer , and is situated after the licker-in , viewed in the fiber transport direction , and - wherein a precarding zone is situated between the licker-in and the revolving flat unit , and a postcarding zone is formed between the revolving flat unit and the doffer , - wherein the cylinder axis and the licker-in axis lie in a licker-in plane , and the cylinder axis and the doffer axis lie in a doffer plane , and - wherein a carding length is determined by a partial circumference of the cylinder surface between the licker-in plane and the doffer plane in the fiber transport direction , characterized in that - the carding length is greater than 3000 mm, - the licker-in plane and the doffer plane , starting from the licker-in plane viewed in the fiber transport direction , enclose an angle (α) of greater than 305°, and - the licker-in plane in the fiber transport direction encloses an angle (β) of 0° to 20° with respect to a perpendicular plane through the cylinder axis . - including a cylinder having a cylinder axis , a cylinder diameter , a cylinder surface , and a cylinder rotational direction , and - including a licker-in , having a licker-in axis and a licker-in diameter , situated on the circumference of the cylinder , and - including a doffer , having a doffer axis and a doffer diameter , situated on the circumference of the cylinder , and - including a revolving flat unit situated on the circumference of the cylinder , - wherein a fiber transport direction is determined by the cylinder rotational direction in the direction from the licker-in to the doffer , and - wherein the revolving flat unit is situated between the licker-in and the doffer , and is situated after the licker-in , viewed in the fiber transport direction , and - wherein a precarding zone is situated between the licker-in and the revolving flat unit , and a postcarding zone is formed between the revolving flat unit and the doffer , - wherein the cylinder axis and the licker-in axis lie in a licker-in plane , and the cylinder axis and the doffer axis lie in a doffer plane , and - wherein a carding length is determined by a partial circumference of the cylinder surface between the licker-in plane and the doffer plane in the fiber transport direction , characterized in that - the carding length is greater than 3000 mm, - the licker-in plane and the doffer plane , starting from the licker-in plane viewed in the fiber transport direction , enclose an angle (α) of greater than 305°, and - the licker-in plane in the fiber transport direction encloses an angle (β) of 0° to 20° with respect to a perpendicular plane through the cylinder axis . <EOS>