Paper Machine Forming Section Breast Roll

Paper Machine Breast Roll

The breast roll is most close roll with the headbox in the foudrinier paper machine.The roll body is made of seamless steel pipes or steel plates, and is coated with a rubber layer on the surface. The adhesive pulp is removed by doctor blade, and it has an anti bending structure design. 

The breast roll is driven by forming fabric and must have sufficient rigidity to not bend under the tension of the forming fabric. The roll body is generally made of seamless steel pipes or steel plates, with surface coating and thickness and hardness depending on the specific situation. The breast roll must be equipped with doctor blade, so that the pulp block will not follow the roll and get caught between the roll and the forming fabric.

Fuction of Breast Roll

① Plays a role in supporting the forming fabric.

② The breast roll is also a dehydration component on the forming table.

Structure: breast roll is a tube roll structure. The surface is coated with copper or hard rubber, and both ends are hot fitted with cast iron plugs and steel shaft heads. The shaft is equipped with rolling bearings, and the bearing seat should have a good waterproof sealing device. The breast roll should undergo dynamic or static balance verification as needed.

Technical Parameter