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