mirror of
https://github.com/DJSundog/NopSCADlib.git
synced 2024-11-23 15:23:51 -05:00
109 lines
4.2 KiB
OpenSCAD
109 lines
4.2 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/>.
|
|
//
|
|
|
|
//
|
|
//! Variable auto transformers.
|
|
//
|
|
include <../utils/core/core.scad>
|
|
use <screw.scad>
|
|
|
|
function variac_diameter(type) = type[2]; //! Body diameter
|
|
function variac_height(type) = type[3]; //! Body height
|
|
function variac_bulge_dia(type) = type[4]; //! Bulge to opposite edge
|
|
function variac_bulge_width(type) = type[5]; //! Width of the bulge
|
|
function variac_shaft_dia(type) = type[6]; //! Shaft diameter
|
|
function variac_shaft_length(type) = type[7]; //! Shaft length
|
|
function variac_screws(type) = type[8]; //! Number of screws
|
|
function variac_screw_pitch(type) = type[9]; //! Pitch of screws
|
|
function variac_screw(type) = type[10]; //! Screw type
|
|
function variac_dial_dia(type) = type[11]; //! Dial diameter
|
|
function variac_dial_thickness(type) = type[12]; //! Dial thickness
|
|
function variac_dial_hole_pitch(type)= type[13] ? type[13] : variac_screw_pitch(type); //! Screw pitch for the dial
|
|
function variac_dial_hole_r(type) = type[14] ? type[14] : screw_clearance_radius(variac_screw(type)); //! Dial screw hole radius
|
|
function variac_dial_big_hole(type) = type[15] ? type[15] : variac_shaft_dia(type) + 2; //! Central dial hole diameter
|
|
|
|
function variac_radius(type) = variac_diameter(type) / 2; //! Body radius
|
|
|
|
module variac_hole_positions(type, pitch = undef) //! Position children at the screw positions
|
|
for(i = [0 : variac_screws(type) - 1])
|
|
rotate(360 * (i + 0.5) / variac_screws(type) - 90)
|
|
translate([pitch ? pitch : variac_screw_pitch(type), 0])
|
|
children();
|
|
|
|
module variac_holes(type, h = 100) { //! Drill panel holes for specified variac
|
|
variac_hole_positions(type)
|
|
drill(screw_clearance_radius(variac_screw(type)), h);
|
|
|
|
drill(variac_shaft_dia(type) / 2 + 1, h);
|
|
}
|
|
|
|
module variac_dial(type) //! Draw the dial for the specified variac
|
|
color("silver") linear_extrude(variac_dial_thickness(type))
|
|
difference() {
|
|
circle(d = variac_dial_dia(type));
|
|
|
|
circle(variac_dial_big_hole(type) / 2);
|
|
|
|
variac_hole_positions(type, variac_dial_hole_pitch(type))
|
|
circle(variac_dial_hole_r(type));
|
|
}
|
|
|
|
module variac(type, thickness = 3, dial = true) { //! Draw the specified variac with screws and possibly the dial when it is fixed and not rotating
|
|
vitamin(str("variac(", type[0], ", 3): Variac ", type[1]));
|
|
dia = variac_diameter(type);
|
|
w = variac_bulge_width(type);
|
|
h = variac_height(type);
|
|
|
|
bulge_r = variac_bulge_dia(type) - dia / 2;
|
|
|
|
module shape() {
|
|
circle(d = dia);
|
|
|
|
translate([-w / 2, -bulge_r])
|
|
square([w, bulge_r]);
|
|
}
|
|
|
|
translate_z(-h) {
|
|
color("#A66955") {
|
|
linear_extrude(h)
|
|
difference() {
|
|
shape();
|
|
|
|
variac_hole_positions(type)
|
|
circle(screw_radius(variac_screw(type)));
|
|
}
|
|
|
|
linear_extrude(h - 10)
|
|
shape();
|
|
}
|
|
color("silver")
|
|
translate_z(1)
|
|
cylinder(d = variac_shaft_dia(type), h = h + variac_shaft_length(type) - 1);
|
|
|
|
if(dial)
|
|
translate_z(thickness + h)
|
|
variac_dial(type);
|
|
|
|
translate_z(thickness + h + (dial ? variac_dial_thickness(type) : 0))
|
|
not_on_bom()
|
|
variac_hole_positions(type)
|
|
screw_and_washer(variac_screw(type), 16);
|
|
}
|
|
}
|