In sheet metal work, what does “bend radius” particularly refer to?

The term "bend radius" in sheet metal work specifically refers to the distance from the center of the bend to the surface of the material being bent. This measurement is critical because it influences the integrity and appearance of the bend. A proper bend radius helps to avoid sharp edges that can cause stress concentrations, which may lead to cracks or weaknesses in the material. It also affects how the material will perform during application, especially in terms of stress distribution and flexibility. A smaller bend radius can increase the likelihood of cracking and is not suitable for all materials or thicknesses, which is why understanding this measurement is essential in sheet metal fabrication.

This definition and importance of bend radius clarify its role in the overall process, making it a key aspect to consider when designing and working with sheet metal.