Sheet Metal Flange Length

Minimum hole diameter guidelines.

Sheet metal flange length.

Minimum flange length b the minimum flange length is sometimes the most difficult limitation for new brake operators and engineers to understand. This tool allows you to determine tonnage internal radius v die opening and minimum flange you just have to insert the characteristics of the sheet metal to be bent. Minimum sheet metal flange bend length is required to avoid cracks in the bending area. Until the bend is completed the sheet metal must be supported on both sides of the v opening.

Bends are the most typical feature of sheet metal parts and can be formed by a variety of methods and machines which negate the absolute need for some of the below tips. Flange length must be at least 4 times the material thickness. Previous editions covered economic order quantity in batch production and the accuracy of things made from rolled sheet stock. If it s not supported on both sides the sheet slides into the v opening and the bend line will slide.

However for typical parts meant to be cost effective and easily produced the following tips should be useful. Columnist gerald davis continues a discussion of 3 d cad and precision sheet metal manufacturing in part iii of a four part series focusing on design guidelines for sheet metal. The tool can calculate the required bending force for bending aluminum stainless steel mild steel and weldox or strenx high strength steels. The minumum flange length is based on the die used to bend.

Small hole size in sheet metal requires smaller size punching tool which may leads to break during the operation. Next month concludes with the pros and cons of hems jogs and forming tools. It shall be equal to three times of sheet thickness plus bend radius. It is recommended that the diameter of the hole should be equal or.