mirror of
https://github.com/nophead/NopSCADlib.git
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82 lines
3.2 KiB
OpenSCAD
82 lines
3.2 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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//! Terminal blocks for power supplies and PCBs.
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include <../core.scad>
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function terminal_block_pitch(type) = type[0]; //! Pitch between screws
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function terminal_block_divider(type) = type[1]; //! Width of the dividers
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function terminal_block_height(type) = type[2]; //! Height of the dividers
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function terminal_block_depth(type) = type[3]; //! Total depth
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function terminal_block_height2(type) = type[4]; //! Height under the contacts
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function terminal_block_depth2(type) = type[5]; //! Depth of contact well
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function terminal_block_length(type, ways) = terminal_block_pitch(type) * ways + terminal_block_divider(type); //! Total length of terminal block
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module terminal_block(type, ways) { //! Draw a power supply terminal block
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tl = terminal_block_length(type, ways);
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depth = terminal_block_depth(type);
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depth2 = terminal_block_depth2(type);
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div = terminal_block_divider(type);
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h = terminal_block_height(type);
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h2 = terminal_block_height2(type);
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pitch = terminal_block_pitch(type);
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back_wall = depth - depth2;
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contact_depth = depth2 - back_wall;
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contact_width = pitch - div;
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contact_h = 0.4;
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washer_t = 1.2;
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translate([0, -tl]) {
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color(grey(20)) {
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cube([depth, tl, h2]);
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translate([depth2, 0])
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cube([depth - depth2, tl, h]);
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for(i = [0 : ways])
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translate([0, i * pitch + div])
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rotate([90, 0, 0])
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linear_extrude(div)
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hull() {
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r = 2;
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square([depth, eps]);
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translate([depth - eps, 0])
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square([eps, h]);
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translate([r, h - r])
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circle4n(r);
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}
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}
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color("silver")
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for(i = [0 : ways - 1]) translate([0, i * pitch + div, h2]) {
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translate([back_wall, 1])
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cube([contact_depth, contact_width - 2, contact_h]);
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translate([back_wall + contact_depth / 2 - contact_width / 2, 0])
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cube([contact_width, contact_width, contact_h + washer_t]);
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translate([back_wall + contact_depth / 2, contact_width / 2, contact_h + washer_t])
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not_on_bom() no_explode()
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screw(M3_pan_screw, 8);
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}
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}
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}
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