FreeCAD Forum announcement/discussion thread.Starting from FreeCAD 0.17 it can be installed via the Addon Manager (from Tools menu) References Select enabled in Engineering UX Mode field.įor installation and how to use, please visit:."Engineering mode" is a safer UX mode for production environments. In engineering mode, such "non-visually-inspectable" values are not assigned with default values and explicit user input is required. Some sort of parameters effect the fabrication process but are impossible to inspect visually, such as K-factor, which makes them susceptible to go unnoticed until the actual erroneous production took place. Use "Unfold Task Panel" to assign the material sheet. if inner radius is 1.64mm and material thickness is 2mm then Radius / Thickness = 1.64/2 = 0.82 so 0.38 will be used as the K-factor. Radius / Thickness means Radius over Thickness.Possible values for K-factor is K-factor (ANSI) or K-factor (DIN).The cell names are case/space sensitive.Sharing the same material definition for multiple objectsĬreate a spreadsheet with the name of material_foo with the following content (see this table): Radius / Thickness.Different K-factor values to be used for each bend in your model.You can use a Spreadsheet object to declare K-factor values inside the project file permanently. You can find a simple calculator in tools/calc-unfold.py. ( Based and inspired by Javier Martínez's codeĬopyright 2014 by Ulrich Brammer AKA Wiki at FreeCad Terminology Sheetmetal Workbench definitionsĪs a simple test case, consider the following example: A simple sheet metal tools workbench for FreeCAD
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