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Views: 101 Author: Site Editor Publish Time: 2025-05-29 Origin: Site
In this article, I will explore the Bending Angle Calculation of Large Arc Bending Tool, a critical aspect in metalworking and fabrication. Understanding how to accurately calculate bending angles is essential for achieving precise and efficient results in our projects. With the right methods and tools, we can enhance our workflow and ensure that our bends meet the required specifications. Join me as I delve into the techniques and considerations that will help you master this important calculation, ultimately improving the quality of your work.
Bending angles are fundamental in determining how materials will behave when subjected to stress. In large arc bending, the calculation becomes even more crucial due to the size and complexity of the tools involved. Proper calculations help avoid material wastage and ensure structural integrity.
Bending angles are fundamental in determining how materials will behave when subjected to stress. In large arc bending, the calculation becomes even more crucial due to the size and complexity of the tools involved. Proper calculations help avoid material wastage and ensure structural integrity.
The accuracy of bending angle calculations directly influences the quality of the finished product. Incorrect bending can result in costly errors, like part misalignment, dimensional inaccuracies, and increased waste. Ensuring a correct calculation before starting the bending process helps reduce errors and ensures that the bend matches the required specifications.
Plate thickness 2mm bending angle 120 degrees bending external radius 30 neutral layer radius 29, arc bending We calculate the arc length of the neutral layer. Therefore, the number of bending knives and the bending angle of each knife are also half the thickness of the neutral layer by the length of the neutral layer.
In the above picture, how many knives should be folded for the arc bending, and what is the bending angle of each knife?
If we get 2mm per knife.
Number of bending knives = arc length / 2mm = 30.37 / 2 = 15
Number of bending knives 15
Bending angle = 180- {(2/arc length) X (180-bend angle)}=180-{(2/30.37)X60}=176
176 degrees per knife bending angle
If we have no arc length when bending, we can also calculate according to the following formula.
Bending angle = 180-{(2/3.14X neutral radius) X180}=180-{(2/3.14X29)X180}=176
If you want to enter 3mm per knife, change 2 in the above formula to 3.
Of course, the above formula is a theoretical calculation formula. In the actual processing, the results calculated according to the above formula are adjusted.
How to fold the arc when there is no mold?
As shown in the figure above the plate thickness is T=2mm and the central angle is 90°.
⒈First calculate the arc length: arc length L = 90 ° * 3.14 ÷ 180 ° * center layer R59 = 92.63
⒉Select the bending die: the upper die with a straight sword, the lower die with 8v.
⒊Calculate the feed per fold: feed per fold = half of the V width of the selected die.
⒋Calculate the number of folds: the number of folds should be = arc length L92.63 ÷ V width half 4mm = 23 fold.
⒌Calculate the positioning size of each fold: the first fold positioning size is calculated and the other is reduced by 4mm per fold.
⒍Finally calculate the angle of each bend: calculate the formula according to some algebra of the triangle.
⒎After the above calculations, the waste sheet material is used for trial folding, and the product is processed after the angle is tried.
Mastering the Bending Angle Calculation of Large Arc Bending Tool not only enhances efficiency but also improves the overall quality of the final product. By understanding the factors involved and using the right tools, you can achieve precise bends that meet your project’s requirements. As we continue to refine our techniques, the importance of accurate calculations cannot be overstated.
