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/*
* Mendel Filament Spindle Hub 1off
* by Tony Buser <tbuser@gmail.com>
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
include <../mendel.inc>
include <../mendel.conf>
include <spindle.scad>
hub_width = 40;
hub_length = 40;
hub_height = 33;
module hub() {
difference () {
// base shape box and a crude chamfer
intersection() {
box(hub_width, hub_length, hub_height);
cylinder(hub_height+2, hub_width/2+3.5, hub_width/2+3.5, center=true);
}
// center rod and bearing support
cylinder(hub_height+2, bearing_608_rad_h-2, bearing_608_rad_h-2, center=true);
translate([0, 0, hub_height/2-(bearing_608_len+6)/2+1]) {
cylinder((bearing_608_len+6)+1, bearing_608_rad_h, bearing_608_rad_h, center=true);
}
// left nut
translate([-hub_width/2+3-1, 0, hub_height/2-rod_diameter+1]) {
rotate([0, -90, 0]) {
spindle_hole_horiz(rod_diameter+2);
}
rotate([90, 0, 90]) {
spindle_nut_cavity(rod_diameter-1);
}
}
// right nut
translate([+hub_width/2-3+1, 0, hub_height/2-rod_diameter+1]) {
rotate([0, -90, 0]) {
spindle_hole_horiz(rod_diameter+2);
}
rotate([90, 0, 90]) {
spindle_nut_cavity(rod_diameter-1);
}
}
// front nut
translate([0, -hub_width/2+3-1, hub_height/2-rod_diameter+1]) {
rotate([0, -90, 90]) {
spindle_hole_horiz(rod_diameter+2);
}
rotate([90, 0, 0]) {
spindle_nut_cavity(rod_diameter-1);
}
}
// back nut
translate([0, +hub_width/2-3+1, hub_height/2-rod_diameter+1]) {
rotate([0, -90, 90]) {
spindle_hole_horiz(rod_diameter+2);
}
rotate([90, 0, 0]) {
spindle_nut_cavity(rod_diameter-1);
}
}
// left support rod
translate([-hub_width/2+rod_diameter, 0, -hub_height/2+rod_diameter]) {
rotate([90, -90, 0]) {
spindle_hole_horiz(hub_length+2);
}
}
// right support rod
translate([hub_width/2-rod_diameter, 0, -hub_height/2+rod_diameter]) {
rotate([90, -90, 0]) {
spindle_hole_horiz(hub_length+2);
}
}
}
}
translate([0, 0, hub_height/2]) {
hub();
}
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