How to use a laser engraver

Résumé du document

This document explains, with many pictures and screenshots, the techniques involved to use a laser engraver. It presents how to use the engraver with the softwares such as Rhinoceros, AutoCAD and Corel Draw. The document covers the following salient features: the use of Control Point Curve to create 3 different profiles that are in closed shape (cf screenshot) and the ways to space the 3 shapes along the same axis (cf screenshot).

Extraits

[...] Select the solid and enter. Delete the lines or grids that was drawn previously Select the ribs and click on Surface from Planar Curves. I.1- The end result with ribs End result with U & V sections / Ribs. I.1- If you think that the ribs are too dense, you may choose to delete off some of them Go to Tools > RhinoScript > Load, add CutMyOwnRibsV3_en.RVB script and load. Select ribs on X direction, then select ribs on Y direction, enter the material thickness in X & Y ribs (thickness of material used for making the model), click on invert_directions=false then press enter. [...]

[...] Note : Give at least 1mm spacing between each ribs Export the file into .eps format. I.1- CorelDraw 29. Go to File > Open, select .eps format and open the saved file Select all the lines to be cut and change the line type to hairline. I.1- Print the file. Under Properties, set the power and speed according to the table provided (Choose according to the type of material and thickness) Acrylic after laser cutting. I.1- Detach the ribs from the whole board / acrylic and assemble them together according to their labels End product of ribs assembled together. [...]

[...] How to use a laser engraver Design to Fabrication Flow I. Laser Engraver 1. RIBS Model: Epilog - Legend 36EXT (Gravograph - LS900) Size: W914 x D610 x H304 (W610 x D610 x H250) mm Material: Acrylic (max. 10mm) Wood (max. 5mm) Paper board (max. 3mm) Corel Draw .eps, .ai, .pdf [Vector + Raster] .dxf, .dwg [Vector] .jpg, .pdf [Raster] Interface: Input: Note: Vector data is for cutting, Raster data is for engraving. I.1-1 Design to Fabrication Flow / I. [...]

[...] U = 30 numbers I.1- Click on Surface from Planar Curves, and select the U sections Press enter and lofting is in the process. Select all & organize U into a layer. I.1- Repeat step load sectioning.RVB script. Repeat step 8. Instead of using Surface from Planar Curves, we go to Surface > Patch, select curves and enter Another way to create sections without using RhinoScript will be as follows : On the top view window, draw lines or grids across the surface you selected. I.1- Select all the lines or grids, go to Curve > Curve from objects > Project. [...]