Unfolding Method for Sheet Metal Bending
Engineers of sheet metal bending parts and sellers of sheet metal bending materials use various algorithms to calculate the actual length of prepared material in the unfolded state in order to ensure the desired dimensions of the parts after final sheet metal bending. The most common method is the simple fingering rule, which is an algorithm based on their own experience. Usually these rules take into account the type and thickness of the material, the radius and angle of the crease, the type of the machine and the stepping speed, etc. There are two main types of popular sheet metal bending algorithms that are widely adopted today. One is based on the algorithm of bending compensation and the other is based on the algorithm of bending subtraction.
In order to better understand some of the basic concepts in the calculation process of sheet metal design, first understand the following points
1. Definition of two algorithms, sheet metal bending compensation and sheet metal bending deduction, their respective correspondences with actual sheet metal geometry
2. How does the bending deduction correspond to the bending compensation, how can the user who uses the bending deduction algorithm conveniently convert the data to the bending compensation algorithm?
3.Definition of K factor, how to use K factor in practice, including the applicable range of K factor value for different material types
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