Please visit http://OpenSCAD.DIY3DTech.com for more information on this and many other projects! As in this episode we will be revisiting the universal flange designer and making some simple modifications to it allowing for the modification of both internal and external flange shapes. This was a very easy mod and provide a good example just how power Open-SCAD can be!
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/* * Open SCAD Name.: flange_model_v3.scad * Copyright (c)..: 2017 www.DIY3DTech.com * * Creation Date..:12/24/2017 * Discription....: general flange model * * Rev 1: Developed Model * Rev 2: Multi-shaped flange * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * If used commercially attribution is required (OpenSCAD.DIY3DTech.com) * */ /*------------------Customizer View-------------------*/ // preview[view:north, tilt:top] /*---------------------Parameters---------------------*/ // outer flange shape flange_shape_outside = 4; //[4:1:60] // outer flange shape flange_shape_inside = 60; //[4:1:60] // outer diameter in (mm) flange_OD = 150; //[50:1:300] // inter diameter in (mm) flange_ID = 75; //[25:1:200] // flange height in (mm) flange_height = 3; //[3:1:10] // tube center height center_height = 25; //[3:1:50] // opening diameter in (mm) bolt_ID = 6; //[3:1:12] // center to center spread of retaining bolts (mm) bolt_spread = 95; //[25:1:250] // number of bolts in flange bolt_count = 4; //[2:1:24] /*-----------------------Execute----------------------*/ flange(); /*-----------------------Modules----------------------*/ module flange() { difference(){ //create flange union() { cylinder(flange_height,flange_OD/2,flange_OD/2,$fn=flange_shape_outside,true); translate([0, 0,center_height/2]) cylinder(center_height,(flange_ID+flange_height)/2,(flange_ID+flange_height)/2,$fn=flange_shape_inside,true); } //remove center translate([0, 0,center_height/2]) cylinder(center_height*2,flange_ID/2,flange_ID/2,$fn=flange_shape_inside,true); //create circle pattern for (i=[0:(360/bolt_count):360]) { //theta is degrees set by for loop from 0 to 360 (degrees) theta=i; //this sets the x axis point based on the COS of the theta x=0+(bolt_spread/2)*cos(theta); //this sets the y axis point based on the sin of the theta y=0+(bolt_spread/2)*sin(theta); //this creates the circle or other obect at the x,y point translate([x,y,0]) cylinder(flange_height+2,bolt_ID/2,bolt_ID/2,$fn=60,true);; }//end for loop for circle creation }//end differance }//end module /*---------------------End Program--------------------*/ |
More Ideas!
OpenSCAD – Designing a Compression Cover!
OpenSCAD – Designing a Pressure Fit Endcap!
Open SCAD – Complex Flange Designer!