What is the bending radius?

The bending radius refers to the radius of the curve or bend that is created during the sheet metal bending process. It defines the minimum radius that can be achieved without causing excessive deformation or damage to the material.

The bending radius is usually specified as a certain value or ratio to the thickness of the sheet metal. For example, a common rule of thumb is to use a bending radius equal to or greater than the sheet metal thickness. So, if the sheet metal is 2 mm thick, the bending radius should be 2 mm or larger.

The bending radius is critical because it affects the overall strength and integrity of the bent part. If the radius is too small, it can lead to cracking, wrinkling, or weakening of the material. On the other hand, a larger radius allows for smoother and more controlled bending, reducing the risk of defects.

The choice of bending radius depends on factors such as the material type, thickness, and the desired shape of the bent part. It is essential to consult bending charts or guidelines provided by material manufacturers or experienced fabricators to determine the appropriate bending radius for a specific application.

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