+/*
+ Copyright (C) 2015 Daniel Watson
+ See the end of the file for license conditions.
+*/
// challenge-bot
// GNU AGPLv3 (or later at your option)
-// project available at these locations:
-// https://gitorious.org/ozzloy/challenge-bot
-// https://github.com/waynegramlich/challenge-bot
+// project available here:
+// https://challenge-bot.com/
-// use 10 ish for development, 60 or so for printing
-$fn = 60;
+include <caster-standoff-data.scad>
-standoff_radius = 14.732 / 2; // 0.580 / 2 inches from spec sheet
-standoff_height = 55; // eyeballed
+caster_standoff();
-nut_short_side = 4.7; // from calipers
-nut_height = 1.6; // from calipers
+/*
+ This file is part of challenge-bot.
-// eyeballed caster flange height, (0.580/5) inches, times 2 to be stronger
-caster_flange_height = 5;
-caster_flange_width = 20.32; // 0.800 inches
-caster_flange_screw_radius = 2.286 / 2; // 0.090 inches
-caster_flange_screw_length = 8; // eyeballed
+ Challenge-bot is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
-deck_grid_width = 25.4; // measured center to center on grid on pegboard
-deck_flange_height = 2.9464;
-deck_flange_screw_radius = 3.556 / 2; // For #6 machine screws
-deck_flange_radius = (deck_grid_width) / 2 + deck_flange_screw_radius + 3;
+ GNU Affero Emacs 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 Affero General Public License for more details.
-module deck_flange(){
- difference(){
- cylinder(h = deck_flange_height, r = deck_flange_radius);
- for(ii = [-1, 1]){
- translate([deck_grid_width / 2 * ii, 0, -.1])
- cylinder(h = deck_flange_height * 1.1,
- r = deck_flange_screw_radius);
- translate([0, deck_grid_width / 2 * ii, -.1])
- cylinder(h = deck_flange_height * 1.1,
- r = deck_flange_screw_radius);}}}
-
-module deck_flange_reinforcement(){
- translate([-deck_flange_radius,
- -.5 * deck_flange_height / 2,
- deck_flange_height]){
- difference (){
- cube([deck_flange_radius, deck_flange_height / 2, deck_flange_radius]);
- translate([-.1, -.05 * deck_flange_height, 0]){
- rotate([0, -45, 0]){
- cube([deck_flange_radius * 1.5, // 1.5 is bigger than sqrt(2)
- deck_flange_height * 1.1, // 1.1 is bigger than 1
- deck_flange_radius]);}}}}}
-
-module caster_flange_screws(){
- translate([standoff_radius, 0, 0])
- cylinder(h = caster_flange_screw_length,
- r = caster_flange_screw_radius);
- translate([-standoff_radius, 0, 0])
- cylinder(h = caster_flange_screw_length,
- r = caster_flange_screw_radius);}
-
-module caster_flange(){
- side_radius = caster_flange_width / 2 - standoff_radius;
- hull(){
- cylinder(h = caster_flange_height, r = standoff_radius);
- translate([standoff_radius, 0, 0])
- cylinder(h = caster_flange_height, r = side_radius);
- translate([-standoff_radius, 0, 0])
- cylinder(h = caster_flange_height, r = side_radius);}}
-
-module nut(size, height){
- width = size/1.75;
- for (r = [-60, 0, 60]) rotate([0,0,r]) cube([width, size, height], true);}
-
-module nuts(){
- translate([standoff_radius, 0, nut_height/2])
- nut(nut_short_side, nut_height + .1);
- translate([-standoff_radius, 0, nut_height/2])
- nut(nut_short_side, nut_height + .1);}
-
-module _2_screw (){
- //measured with calipers
- screw_length = 8;
- thread_radius = 2.17 / 2 - 0.1; // subtract 0.1 to make squeeze fit
- head_height = 1.8;
- head_radius = 4.1 / 2;
- cylinder(r = thread_radius, h = screw_length);
- cylinder(r = head_radius, h = head_height);}
-
-module caster_deck_interlock_solid(){
- translate([-1, standoff_radius - 2.1, 0]){
- cube([2, 2, standoff_height]);}
- translate([-1, -standoff_radius + 0.1, 0]){
- cube([2, 2, standoff_height]);}}
-
-module caster_deck_interlock_hole(){
- translate([0, standoff_radius - 1, -0.1]){
- cube([2.5, 2.5, standoff_height], center = true);}
- translate([0, -standoff_radius + 1, -0.1]){
- cube([2.5, 2.5, standoff_height], center = true);}}
-
-module caster_standoff_deck_side(){
- difference(){
- cylinder(h = standoff_height - caster_flange_height,
- r = standoff_radius);
- translate([0, 0, standoff_height - caster_flange_screw_length * 1.1 + 0.1])
- scale([1, 1, 1.1])
- caster_flange_screws();
- translate([0, 0, standoff_height - (caster_flange_height + nut_height)])
- nuts();
- translate([0, 0, standoff_height]){
- // make hole to get to screw head depth
- cylinder(r = 4.1 / 2, h = 3, center = true);
- translate([0, 0, -0.7])
- rotate([180, 0, 0])
- _2_screw(r = 0.5, h = 5);}}
- deck_flange();
- for(ii = [0:3]){
- rotate([0, 0, 45 + 90 * ii])
- deck_flange_reinforcement();}
- caster_deck_interlock_solid();}
-
-module caster_standoff_caster_side(){
- difference(){
- caster_flange();
- translate([0, 0, caster_flange_height - 0.7]){
- rotate([180, 0, 0]){
- _2_screw();}}
- // make hole to get to screw head
- translate([0, 0, caster_flange_height - 0.8]){
- cylinder(r = 4.1 / 2, h = 10);}
- translate([0, 0, -.1]){
- caster_flange_screws();}
- caster_deck_interlock_hole();}}
-
-caster_standoff_deck_side();
-translate([caster_flange_width / 2 + deck_flange_radius + 1, 0, 0]){
- caster_standoff_caster_side();}
+ You should have received a copy of the GNU Affero General Public License
+ along with challenge-bot. If not, see <http://www.gnu.org/licenses/>.
+*/
projects / challenge-bot / blobdiff