Sheet Metal Flat Pattern Layout

Dimensions given on a flat pattern are affected by several bending factors like k factor and bend radius during the 3d modeling stage.

Sheet metal flat pattern layout.

The value of the k factor should range between 0 0 5. Bend lines must be determined to develop a flat pattern for sheet metal forming. Therefore it is important to have the value correct in cad software. Value of bend deduction and flat pattern are shown in result section.

Use k factor calculator to calculate k factor values. The layout may either be done on the material to be used or on a piece of paper. Here are the steps to be followed to calculate sheet metal flat length. The k factor is used to calculate flat patterns because it is related to how much material is stretched during bending.

Before a sheet metal part is formed make a flat pattern to show how much material is required in the bend areas at what point the sheet must be inserted into the forming tool or where bend lines are located. Keep default values in calculator as zero. Importance of the k factor in sheet metal design. Enter flange length internal radius and thickness values.

Sheet metal cone calculator. However to match the other dimensions that are included it would require your manufacturer to work with incorrect or unachievable sheet metal forming factors. Enter k factor values.