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Finding correct K factor is very important. Many people have confusion about what is the importance of K factor , why we need K factor.
How to find correct K factor.
K factor directly impacts the length and shape of sheet metal part. It does not make much difference in simple parts with 1 fold but when it comes to thick and multiple folds it makes a huge difference in getting the correct length.
In this video I have explained why it is important and how to find K factor of your sheet metal.
what is k factor , why K factor is important and how to find Kfactor.
To find the K factor you can go to following link where you can input all the data and get the correct K factor.
The K factor is an important parameter used in sheet metal fabrication to calculate the flat pattern length of a sheet metal part. The K factor represents the ratio of the neutral axis to the material thickness and is used to calculate the bend allowance.
To find the K factor in sheet metal, you can use the following steps:
Determine the material type and thickness of the sheet metal being used.
Determine the inside bend radius of the bend you want to make.
Use a K-factor chart or formula to find the K factor value for the material type and thickness, and the inside bend radius. The K-factor value is often provided by the manufacturer of the sheet metal or can be found in reference tables.
Apply the K-factor value in the bend allowance formula to calculate the flat pattern length of the sheet metal part.
Here is the formula for calculating the bend allowance with the K-factor:
Bend Allowance = (π/180) x Bend Angle x (Inside Bend Radius + K-Factor x Material Thickness)
Note that the value of K-factor may vary depending on the type of sheet metal, the tooling being used, and the process of bending. Therefore, it is always a good practice to consult the manufacturer's specifications or reference tables to ensure accurate calculations.
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