在不影响对板材的压紧和卷制的情况下，可以适当降低上辊的压力。减少每次的

Without affecting the pressing and rolling of the plate, the pressure of the upper roller can be appropriately reduced. <br>Reduce the amount of pressing each time. This method keeps the gap between the upper and lower rollers basically the same. This can reduce the barrel deformation of the forming cylinder. <br>Two shims are placed between the sheet material and the upper roller for auxiliary adjustment <br>to keep the pressing force and bending force of the sheet material along the length of the roller shaft basically the same.

Without affecting the pressure and roll of the plate, the pressure on the upper roller can be reduced appropriately.<br>Reduce the amount of pressure down each time. This method makes the gap between the upper and lower rollers basically consistent. This reduces the amount of barrel deformation of the forming barrel body.<br>The two gaskets are spaced between the plate and the upper roller for auxiliary adjustment.<br>In this way, the pressure and bending forces of the sheet are maintained in the direction of the roller length.

In the case of not affecting the pressing and rolling of the plate, the pressure of the upper roller can be appropriately reduced.<br>Reduce the amount of reduction each time. This method makes the gap between the upper and lower rollers consistent. In this way, the barrel deformation of the formed cylinder can be reduced.<br>Pad two gaskets between the sheet metal and the upper roll for auxiliary adjustment<br>Therefore, the compression force and bending force of the plate along the length direction of the roller shaft are basically the same.