142 lines
5.3 KiB
OpenSCAD
142 lines
5.3 KiB
OpenSCAD
//
|
|
// NopSCADlib Copyright Chris Palmer 2018
|
|
// 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/>.
|
|
//
|
|
|
|
//
|
|
//! A cover to go over the mains end of an SSR to make it safe to be touched.
|
|
//! The STL and assembly must be given a name and parameterless wrappers for the stl and assembly added to the project.
|
|
//
|
|
include <../core.scad>
|
|
use <../vitamins/insert.scad>
|
|
|
|
use <../vitamins/wire.scad>
|
|
use <../vitamins/ssr.scad>
|
|
use <../utils/round.scad>
|
|
|
|
wall = 1.8;
|
|
top = 1.5;
|
|
screw = M3_cap_screw;
|
|
insert = screw_insert(screw);
|
|
boss_r = insert_boss_radius(insert, wall);
|
|
counter_bore = 2;
|
|
rad = 3;
|
|
clearance = layer_height;
|
|
|
|
function ssr_shroud_pitch(type) = ssr_width(type) + 2 * wall - 2 * boss_r - eps;
|
|
function ssr_shroud_screw(type) = screw; //! Screw used to fasten
|
|
function ssr_shroud_extent(type, cable_d) = 2 * boss_r + 1 + cable_d + rad; //! How far it extends beyond the SSR
|
|
function ssr_shroud_width(type) = ssr_width(type) + 2 * wall + clearance; //! Outside width of shroud
|
|
function ssr_shroud_height(type) = ssr_height(type) + top + clearance; //! Outside height
|
|
function ssr_shroud_cable_x(type, cable_d) = -ssr_length(type) / 2 - 2 * boss_r - 1 - cable_d / 2; //! Position of cable entry holes
|
|
|
|
module ssr_shroud_hole_positions(type) //! Place children at the screw hole positions
|
|
for($side = [-1, 1])
|
|
translate([-ssr_length(type) / 2 -boss_r, $side * ssr_shroud_pitch(type) / 2])
|
|
vflip()
|
|
children();
|
|
|
|
module ssr_shroud_holes(type, cable_d) { //! Drill the screw and ziptie holes
|
|
ssr_shroud_hole_positions(type)
|
|
drill(screw_clearance_radius(screw), 0);
|
|
|
|
for(side = [-1, 1])
|
|
translate([ssr_shroud_cable_x(type, cable_d), side * (ssr_width(type) / 2 - 2 * boss_r)])
|
|
rotate(-90)
|
|
cable_tie_holes(cable_d / 2, h = 0);
|
|
}
|
|
|
|
module ssr_shroud(type, cable_d, name) { //! Generate the STL file for a specified ssr and cable
|
|
width = ssr_shroud_width(type);
|
|
depth = ssr_length(type) / 3 + ssr_shroud_extent(type, cable_d);
|
|
height = ssr_shroud_height(type);
|
|
cable_x = ssr_shroud_cable_x(type, cable_d);
|
|
center_x = -ssr_length(type) / 6 - depth / 2;
|
|
|
|
|
|
stl(str("ssr_shroud_", name)) {
|
|
// base and sides
|
|
translate([center_x, 0]) {
|
|
rounded_rectangle([depth - eps, width - eps, top], rad);
|
|
|
|
linear_extrude(height) difference() {
|
|
round(or = wall / 2 - eps, ir = 0) difference() {
|
|
rounded_square([depth, width], rad);
|
|
|
|
rounded_square([depth - 2 * wall, width - 2 * wall], rad - wall);
|
|
|
|
translate([depth / 2, 0])
|
|
square([2 * rad, width], center = true);
|
|
|
|
}
|
|
translate([cable_x - center_x, 0])
|
|
square([cable_d, width + 1], center = true);
|
|
}
|
|
}
|
|
// cable slots
|
|
for(side = [-1, 1])
|
|
translate([cable_x, side * (width / 2 - wall / 2), height / 2])
|
|
rotate([90, 0, 0])
|
|
linear_extrude(wall, center = true)
|
|
difference() {
|
|
square([cable_d + eps, height], center = true);
|
|
|
|
translate([0, height / 2])
|
|
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
|
|
}
|
|
// insert boss
|
|
ssr_shroud_hole_positions(type)
|
|
vflip()
|
|
translate_z(height)
|
|
rotate($side * 90)
|
|
insert_lug(insert, wall, counter_bore);
|
|
}
|
|
}
|
|
|
|
module ssr_shroud_assembly(type, cable_d, name) //! The printed parts with inserts fitted
|
|
assembly(str("SSR_shroud_", name), ngb = true) {
|
|
|
|
translate_z(ssr_shroud_height(type))
|
|
vflip()
|
|
stl_colour(pp1_colour) ssr_shroud(type, cable_d, name);
|
|
|
|
ssr_shroud_hole_positions(type)
|
|
insert(insert);
|
|
}
|
|
|
|
module ssr_shroud_fastened_assembly(type, cable_d, thickness, name) //! Assembly with screws in place
|
|
{
|
|
screw_length = screw_length(screw, thickness + counter_bore, 2, true);
|
|
|
|
ssr_shroud_assembly(type, cable_d, name);
|
|
|
|
translate_z(-thickness)
|
|
ssr_shroud_hole_positions(type)
|
|
screw_and_washer(screw, screw_length, true);
|
|
|
|
for(side = [-1, 1])
|
|
translate([ssr_shroud_cable_x(type, cable_d), side * (ssr_width(type) / 2 - 2 * boss_r)]) {
|
|
rotate(-90)
|
|
cable_tie(cable_d / 2, thickness);
|
|
|
|
*translate_z(cable_d / 2)
|
|
rotate([90, 0, 0])
|
|
stl_colour(grey(20))
|
|
cylinder(d = cable_d, h = 20, center = true);
|
|
}
|
|
}
|