结构钣金件弯曲时，相对弯曲半径r/t：当此数值较小时，零件内、外表面切

When the structural <br>sheet metal part is bent, the relative bending radius r/t: <br>when this value is small, the total strain value of the tangential deformation of the inner and outer surfaces of the part is larger, and the resulting elastic strain is correspondingly reduced. In this case, the amount of rebound is small, and vice versa. <br>Therefore, when the sheet metal part is bent, the relative radius must exceed the scale factor, but a smaller coefficient value should be selected as much as possible. <br>In addition, on the premise of ensuring the use of sheet metal parts, we can press reinforcement ribs in the bending area. This can increase the moment of inertia at the interface of the part to suppress the springback.

structure<br>When the sheet metal is bent, the relative bending radius R / T:<br>When this value is small, the total strain of the tangential deformation of the inner and outer surfaces of the part is large, and the resulting elastic strain decreases accordingly. In this case, the rebound amount is small, otherwise it is large.<br>Therefore, when bending sheet metal parts, the relative radius must exceed the scale factor, but the smaller coefficient value should be selected as far as possible.<br>In addition, on the premise of ensuring the use of sheet metal parts, we can press stiffeners in the bending area. This can increase the inertia moment of the part interface to restrain the springback.

structure The relative bending radius r/t when bending sheet metal parts: When this value is small, the total strain value of tangential deformation of the inner and outer surfaces of the part is larger, and the elastic strain generated is correspondingly reduced. In this case, the springback is small, otherwise, it is large. Therefore, when bending sheet metal parts, the relative radius must exceed the scale coefficient, but try to choose a smaller coefficient value. In addition, on the premise of ensuring the use of sheet metal parts, we can press the stiffener in the bending area. This can increase the inertia moment at the interface of parts to suppress the springback.