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https://github.com/DJSundog/NopSCADlib.git
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77 lines
3.5 KiB
OpenSCAD
77 lines
3.5 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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//!Iron core transformers. The grey shaded area is the keep out region where the terminals are.
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//
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include <../utils/core/core.scad>
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use <screw.scad>
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function tx_part(type) = type[1]; //! Part description
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function tx_width(type) = type[2]; //! Bounding width of the core
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function tx_depth(type) = type[3]; //! Bounding depth of the bobbin
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function tx_height(type) = type[4]; //! Bounding height of the transformer
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function tx_x_pitch(type) = type[5]; //! Screw hole x pitch
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function tx_y_pitch(type) = type[6]; //! Screw hole y pitch when four screws
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function tx_screw(type) = type[7]; //! Screw type
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function tx_foot_thickness(type) = type[8]; //! Thickness of the foot
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function tx_foot_width(type) = type[9]; //! Width of the foot
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function tx_foot_depth(type) = type[10]; //! Depth of the foot
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function tx_lamination_depth(type) = type[11]; //! Lamination depth
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function tx_lamination_height(type) = type[12]; //! Lamination height
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function tx_bobbin_offset(type) = type[13]; //! Vertical offset of the bobbin from the centre of the laminations
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function tx_bobbin_width(type) = type[14]; //! Bobbin width
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function tx_bobbin_height(type) = type[15]; //! Bobbin height
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function tx_bobbin_radius(type) = type[16]; //! Bobbin corner radius
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module transformer(type) { //! Draw specified transformer
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vitamin(str("transformer(", type[0], "): Transformer ", tx_part(type)));
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color("silver") {
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linear_extrude(tx_foot_thickness(type))
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difference() {
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rounded_square([tx_foot_width(type), tx_foot_depth(type)], r = 2);
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transformer_hole_positions(type)
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circle(screw_clearance_radius(tx_screw(type)));
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}
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translate_z(tx_lamination_height(type) / 2)
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cube([tx_width(type), tx_lamination_depth(type), tx_lamination_height(type)], center = true);
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}
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color("white")
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translate_z(tx_lamination_height(type) / 2 + tx_bobbin_offset(type) / 2)
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rounded_rectangle([tx_bobbin_width(type), tx_depth(type), tx_bobbin_height(type)], tx_bobbin_radius(type), true);
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terminal_height = tx_height(type) - tx_lamination_height(type);
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if(terminal_height)
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%translate_z(tx_lamination_height(type) + terminal_height / 2) union() {
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cube([tx_width(type), tx_lamination_depth(type), terminal_height], center = true);
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cube([tx_bobbin_width(type), tx_depth(type), terminal_height], center = true);
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}
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}
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module transformer_hole_positions(type) //! Position children at the mounting hole positions
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for(x = [-1, 1], y = tx_y_pitch(type) ? [-1, 1] : 0)
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translate([x * tx_x_pitch(type) / 2, y * tx_y_pitch(type) / 2])
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children();
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