Please visit http://OpenSCAD.DIY3DTech.com for more information on this and many other projects! As in this episode we will be designing a 608zz skate bearing in Open-SCAD learning to create “races” as well as how to make chamfered edges on a cylinder too.
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/* * Open SCAD Name.: 608zz Bearing * Copyright (c)..: 2016 www.DIY3DTech.com * * Creation Date..:04/15/2016 * Description....: 608zz bearing model * * Rev 1: Developed Model * Rev 2: * * 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-------------------*/ // None /*---------------------Parameters---------------------*/ /*-----------------------Execute----------------------*/ 608zz(); /*-----------------------Modules----------------------*/ module 608zz() { difference() { union(){ //create outer race difference() { //create main body 22mm color ("green") cylinder(7,d=22.00,$fn=100,center=true); //create outer race 19.10 cylinder(8,d=17.90,$fn=100,center=true); }//end difference //create inter race difference() { //create inter body 10.80mm color ("green") cylinder(7,d=11.5,$fn=100,center=true); //create outer race 8.00mm cylinder(8,d=8,$fn=100,center=true); }//end difference }//end union //create inter bearing race rotate_extrude(convexity = 10, $fn = 100) translate([7.4, 0, 0]) circle(d= 3.969, $fn = 100); //create upper knock out for chamfer difference(){ translate([0,0,3.5-(0.3/2)]) cylinder(.3,d=22,$fn=100,center=true); translate([0,0,3.5-(0.3/2)]) cylinder(.31,d=22-0.6,$fn=100,center=true); }//end differance //create upper knock out for chamfer difference(){ translate([0,0,-3.5+(0.3/2)]) cylinder(.3,d=22,$fn=100,center=true); translate([0,0,-3.5+(0.3/2)]) cylinder(.31,d=22-0.6,$fn=100,center=true); }//end differance }//end difference //create outer chamfered edge translate([0,0,3.5-0.3]) color("red") rotate_extrude(convexity = 10, $fn = 100) translate([11-0.3, 0, 0]) circle(d= 0.6, $fn = 100); //create outer chamfered edge translate([0,0,-3.5+0.3]) color("red") rotate_extrude(convexity = 10, $fn = 100) translate([11-0.3, 0, 0]) circle(d= 0.6, $fn = 100); //create circle pattern for ball bearings for (i=[0:(360/7):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+(14.769/2)*cos(theta); //this sets the y axis point based on the sin of the theta y=0+(14.769/2)*sin(theta); //this creates the circle or other obect at the x,y point color ("red") translate([x,y,0])sphere(d=3.969, $fn=100); }//end for loop for circle creation //top bearing cover difference() { //create inter body 10.80mm color ("yellow") translate ([0,0,3]) cylinder(.1,d=18,$fn=100,center=true); //create outer race 8.00mm translate ([0,0,3]) cylinder(.2,d=11,$fn=100,center=true); }//end difference //bottom bearing cover difference() { //create inter body 10.80mm color ("yellow") translate ([0,0,-3]) cylinder(.1,d=18,$fn=100,center=true); //create outer race 8.00mm translate ([0,0,-3]) cylinder(.2,d=11,$fn=100,center=true); }//end difference } //end 608zz module /*----------------------End Code----------------------*/ |
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