Bending Factor In Sheet Metal

The k factor is defined as the ratio between the material thickness t and the neutral fibre axis t i e.

Bending factor in sheet metal.

Calculate k factor bend allowance and y factor for sheet metal bending. When a piece of metal is being formed the inner portion of the bend compresses while the outer portion expands see figure 1. Therefore using k factor there is no need to calculate sheet metal flat length manually. Bend allowance and k factor.

The line where the transition from compression to stretching occurs is called the neutral axis. K factor in sheet metal bending is a constant that is used to calculate sheet metal flat length. In sheet metal design the k factor is used to calculate how much sheet metal one needs to leave for the bend in order to achieve particular final dimensions especially for between the straight sides next the bend. When metal is bent the top section is going to undergo compression and the bottom section will be stretched.

Sheet metal flat length can be calculated using cad softwares. In sheet metal the k factor is the ratio of the neutral axis to the material thickness. May 18 2016 at 11 04 pm. Types of metal bends and forming methods bending and bend formation are important factors when it comes to calculating bend deduction which is the total elongation for a particular type of bend.

K factor plays a key role in understanding the limits a material can handle during sheet metal bending. Also known as press braking flanging die bending folding and edging this method is used to deform a material to an angular shape. The part of the material that bends. For example if the value of k factor for given material thickness and bending machines is known.

Sheet metal bending methods design tips k factor bending is one of the most common sheet metal fabrication operations. The k factor is the most important and elusive variable of bending because it varies both as a function of the material and according to parameters such as angle and tooling.