265 lines
9.0 KiB
OpenSCAD
265 lines
9.0 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2018
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! IEC mains inlets and outlet.
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//
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include <../core.scad>
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use <screw.scad>
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use <nut.scad>
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use <washer.scad>
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use <spade.scad>
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use <insert.scad>
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function iec_part(type) = type[1]; //! Description
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function iec_screw(type) = type[2]; //! Screw type
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function iec_pitch(type) = type[3]; //! Screw hole pitch
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function iec_body_w(type) = type[4]; //! Body width
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function iec_body_w2(type) = type[5]; //! Body width at the narrow part
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function iec_body_h(type) = type[6]; //! Body height
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function iec_body_r(type) = type[7]; //! Body corner radius
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function iec_bezel_w(type) = type[8]; //! Bezel width
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function iec_bezel_h(type) = type[9]; //! Bezel height
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function iec_bezel_r(type) = type[10]; //! Bezel corner radius
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function iec_bezel_t(type) = type[11]; //! Bezel thickness
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function iec_flange_w(type) = type[12]; //! Flange width not including the lugs
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function iec_flange_h(type) = type[13]; //! Flange height
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function iec_flange_r(type) = type[14]; //! Flange corner radius
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function iec_flange_t(type) = type[15]; //! Flange thickness
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function iec_width(type) = type[16]; //! Widest part including the lugs
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function iec_depth(type) = type[17]; //! Depth of the body below the flange
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function iec_spades(type) = type[18]; //! Spade type
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function iec_male(type) = type[19]; //! True for an outlet
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insert_screw_length = 10;
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function iec_insert_screw_length() = insert_screw_length; //! Screw length used for inserts
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module iec(type) { //! Draw specified IEC connector
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vitamin(str("iec(", type[0], "): ", iec_part(type)));
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pin_w = 2;
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pin_d = 4;
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pin_h1 = 12;
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pin_h2 = 15;
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pin_chamfer = 1;
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module pin(h)
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color("silver")
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hull() {
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translate_z(h / 2)
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cube([pin_w - pin_chamfer, pin_d - pin_chamfer, h], center = true);
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translate_z((h - pin_chamfer) / 2)
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cube([pin_w, pin_d, h - pin_chamfer], center = true);
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}
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socket_w = 24.5;
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socket_w2 = 14;
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socket_h = 16.34;
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socket_h2 = socket_h - (socket_w - socket_w2);
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socket_d = 17;
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socket_r = 3;
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socket_r2 = 0.5;
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socket_offset = iec_bezel_h(type) / 2 - socket_h / 2 - (iec_bezel_w(type) - socket_w) / 2;
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module socket_shape()
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hull()
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for(side = [-1, 1]) {
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translate([side * (socket_w / 2 - socket_r), -socket_h / 2 + socket_r])
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circle(socket_r);
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translate([side * (socket_w / 2 - socket_r2), socket_h2 / 2 - socket_r2])
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circle(socket_r2);
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translate([side * (socket_w2 / 2 - socket_r2), socket_h / 2 - socket_r2])
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circle(socket_r2);
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}
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module oriffice_shape()
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translate([0, socket_offset])
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if(iec_male(type))
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difference() {
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offset(2)
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socket_shape();
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difference() {
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offset(-1) socket_shape();
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translate([0, 2])
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square([2.4, 5], center = true);
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for(side = [-1, 1])
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translate([side * 7, -2])
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square([2.4, 5], center = true);
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}
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}
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else
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socket_shape();
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module body_shape() {
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hull() {
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bw = iec_body_w(type);
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bh = iec_body_h(type);
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br = iec_body_r(type);
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bw2 = iec_body_w2(type);
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bh2 = bh - (bw - bw2);
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br2 = 1;
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for(side = [-1, 1]) {
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translate([side * (bw / 2 - br), -bh / 2 + br])
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circle4n(br);
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translate([side * (bw / 2 - br2), bh2 / 2 - br2])
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circle4n(br2);
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translate([side * (bw2 / 2 - br2), bh / 2 - br2])
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circle4n(br2);
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}
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}
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}
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color(grey(20)) {
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// Flange
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flange_t = iec_flange_t(type);
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linear_extrude(flange_t)
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difference() {
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hull() {
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rounded_square([iec_flange_w(type), iec_flange_h(type)], iec_flange_r(type));
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iec_screw_positions(type)
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circle(d = iec_width(type) - iec_pitch(type));
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}
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oriffice_shape();
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iec_screw_positions(type)
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circle(socket_r);
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}
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head_r = screw_head_radius(iec_screw(type));
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screw_r = screw_clearance_radius(iec_screw(type));
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iec_screw_positions(type)
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rotate_extrude()
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difference() {
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translate([screw_r, 0])
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square([socket_r - screw_r, flange_t]);
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translate([0, flange_t - head_r])
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rotate(45)
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square(10);
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}
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// Bezel
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translate_z(iec_flange_t(type))
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linear_extrude(iec_bezel_t(type))
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difference() {
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rounded_square([iec_bezel_w(type), iec_bezel_h(type)], iec_bezel_r(type));
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oriffice_shape();
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}
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// Body
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h = socket_d - iec_flange_t(type) - iec_bezel_t(type);
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translate_z(-h)
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linear_extrude(h)
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difference() {
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body_shape();
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oriffice_shape();
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}
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// Back
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translate_z(-iec_depth(type))
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linear_extrude(iec_depth(type) - h)
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body_shape();
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}
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if(!iec_male(type))
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translate([0, socket_offset, iec_flange_t(type) + iec_bezel_t(type) - socket_d]) {
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translate([0, 2])
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pin(pin_h2);
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for(side = [-1, 1])
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translate([side * 7, -2])
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pin(pin_h1);
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}
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for(spade = iec_spades(type))
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translate([spade[2], spade[3], -iec_depth(type)])
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rotate([180, 0, spade[4]])
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spade(spade[0], spade[1]);
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}
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function iec_spade_depth(type) = iec_depth(type) + max([for(spade = iec_spades(type)) spade[1]]);
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module iec_screw_positions(type) //! Position children at the screw holes
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for(side = [-1, 1])
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translate([side * iec_pitch(type) / 2, 0])
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children();
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module iec_holes(type, h = 100, poly = false, horizontal = false, insert = false) { //! Drill the required panel holes
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clearance = 0.2;
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screw = iec_screw(type);
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insert_type = screw_insert(screw);
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insert_overlap = max(0, insert_screw_length + clearance - iec_flange_t(type) - insert_hole_length(insert_type));
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iec_screw_positions(type)
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if(insert)
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if(h)
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insert_hole(insert_type, insert_overlap, horizontal = horizontal);
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else
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poly_circle(insert_hole_radius(insert_type));
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else
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if(horizontal)
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teardrop_plus(r = screw_clearance_radius(screw), h = h);
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else
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if(poly)
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poly_cylinder(r = screw_clearance_radius(screw), h = h, center = true);
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else
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drill(screw_clearance_radius(screw), h);
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extrude_if(h)
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hull()
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for(x = [-1, 1], y = [-1, 1], sag = horizontal && y > 1 ? layer_height : 0)
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translate([x * (iec_body_w(type) / 2 - iec_body_r(type)), y * (iec_body_h(type) / 2 - iec_body_r(type) + sag )])
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if(horizontal)
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teardrop(0, iec_body_r(type) + clearance / 2 + layer_height / 4);
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else
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drill(iec_body_r(type) + clearance / 2, 0);
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}
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module iec_inserts(type) { //! Place the inserts
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insert = screw_insert(iec_screw(type));
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iec_screw_positions(type)
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insert(insert);
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}
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module iec_assembly(type, thickness) { //! Assembly with fasteners given panel thickness
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screw = iec_screw(type);
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screw_length = thickness ? screw_length(screw, iec_flange_t(type) + thickness, 1, nyloc = true)
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: insert_screw_length;
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iec(type);
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iec_screw_positions(type) {
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translate_z(iec_flange_t(type))
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screw(screw, screw_length);
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if(thickness)
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translate_z(-thickness)
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vflip()
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nut_and_washer(screw_nut(screw), true);
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}
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}
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