Available material is Vinyl rolled up sheets of several colors, and thin cardboardĪ parametrized comb structure is defined in the FreeCAD Sketcher module, using a parametrization based on the width plate as basic parameter (all parameters defined in Spreadsheet).Available material for the test is a 3mm MDF wood plate.The laser cutting machine is a CO2 60W EPILOG MINI, with a useful surface of 30圆0 cm, interfaced with CorelDraw.Kerf width on a straight rectangle of known length cut in 10 equal pieces (Process 3)įiles are available here. Power and speed parameters, using color mapping to cut rectangles at different settings values (Process 2) Press fit, using two combs with different teeth width (Process 1) do not use PVC in laser cutting, toxic gases are produced metal cutting requires specialized laser cutting machines. Last but not least, team work for the group assignment helped increase productivity, by sharing knowledge and dividing tasksįiles are available here (for the laser cut) and here (for the vinyl cut) Notes and Introduction ¶Ī few notes: take care that some materials are incompatible with some processes, eg. Choose correct settings prior to printing, depending on material, again, and including file format read!.Check the settings of the machine and the program to work with the chosen materialĪnd on a vinyl cutting machine, much more simple:.transfer it into 2D DXF format to the software installed, define the correct driver parameters - on the PC controlling the cutting machine.design of a parametric 3D structure on a CAD software ( eg FreeCAD). What I learned here are the several steps required to use a laser cutting machine … : Computer controlled cutting ¶ Assignment ¶Ĭharacterize your lasercutter, making test part(s) that vary cutting settings and dimensionsĬut something on the vinylcutter design, lasercut, and document a parametric press-fit construction kit, accounting for the lasercutter kerf, which can be assembled in multiple ways Invention, intellectual property and incomeĤ.
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