mirror of
https://github.com/DJSundog/NopSCADlib.git
synced 2024-11-23 15:23:51 -05:00
66 lines
2.2 KiB
OpenSCAD
66 lines
2.2 KiB
OpenSCAD
//
|
|
// NopSCADlib Copyright Chris Palmer 2020
|
|
// nop.head@gmail.com
|
|
// hydraraptor.blogspot.com
|
|
//
|
|
// This file is part of NopSCADlib.
|
|
//
|
|
// NopSCADlib 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.
|
|
//
|
|
// NopSCADlib 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 NopSCADlib.
|
|
// If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
//
|
|
//! Shaft couplings
|
|
//
|
|
include <../core.scad>
|
|
use <../utils/tube.scad>
|
|
|
|
function sc_length(type) = type[1]; //! Coupling length
|
|
function sc_diameter(type) = type[2]; //! Coupling outer diameter
|
|
function sc_diameter1(type) = type[3]; //! Diameter of smaller shaft
|
|
function sc_diameter2(type) = type[4]; //! Diameter of larger shaft
|
|
|
|
module shaft_coupling(type, colour = "silver") { //! Draw the shaft coupling
|
|
vitamin(str("shaft_coupling(", type[0], "): Shaft coupling ", type[0]));
|
|
|
|
length = sc_length(type);
|
|
radius = sc_diameter(type) / 2;
|
|
r1 = sc_diameter1(type) / 2;
|
|
r2 = sc_diameter2(type) / 2;
|
|
|
|
grub_length = 3;
|
|
module grub_screw_positions() {
|
|
grub_offset_z = 5;
|
|
for(z = [-length / 2 + grub_offset_z, length / 2 - grub_offset_z])
|
|
translate_z(z)
|
|
for(a = [0, 90])
|
|
rotate([-90, 0, a])
|
|
translate_z(radius + 1)
|
|
children();
|
|
}
|
|
|
|
color(colour) {
|
|
render(convexity=2) difference() {
|
|
union() {
|
|
translate_z(-length / 2)
|
|
tube(radius, r1, length / 2, false);
|
|
|
|
tube(radius, r2, length / 2, false);
|
|
}
|
|
grub_screw_positions()
|
|
rotate([180, 0, 0])
|
|
cylinder(r = screw_radius(M3_grub_screw), h = 5);
|
|
}
|
|
}
|
|
|
|
grub_screw_positions()
|
|
not_on_bom() screw(M3_grub_screw, grub_length);
|
|
}
|