NopSCADlib/vitamins/e3d.scad

186 lines
5.2 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/>.
//
//
// E3D hot ends
//
include <../core.scad>
include <hot_ends.scad>
include <tubings.scad>
include <zipties.scad>
include <fans.scad>
use <../utils/tube.scad>
rad_dia = 22; // Diam of the part with ailettes
rad_nb_ailettes = 11;
rad_len = 26;
nozzle_h = 5;
module e3d_nozzle(type) {
color(brass) {
rotate_extrude()
polygon([
[0.2, 0],
[0.2, 2],
[1.5, 2],
[0.65, 0]
]);
translate_z(2)
cylinder(d = 8, h = nozzle_h - 2, $fn=6);
}
}
resistor_len = 22;
resistor_dia = 6;
heater_width = 16;
heater_length = 20;
heater_height = 11.5;
heater_x = 4.5;
heater_y = heater_width / 2;
fan_x_offset = rad_dia / 2 + 4;
module e3d_resistor(type, naked = false, resistor_wire_rotate = [0,0,0]) {
translate([11 - heater_x, -3 - heater_y, heater_height / 2 + nozzle_h]) {
color("grey")
rotate([-90, 0, 0])
cylinder(r = resistor_dia / 2, h = resistor_len);
if(!naked)
color("red")
translate([0, resistor_len + 3.5/2 + 1, 0]) {
rotate(resistor_wire_rotate) {
translate([-3.5/2, 0, 0]) {
cylinder(d = 3.5, h = 36);
translate([3.5, 0, 0])
cylinder(r = 3.5 / 2, h = 36);
}
}
}
}
}
module heater_block(type, naked = false, resistor_wire_rotate = [0,0,0]) {
translate_z(-hot_end_length(type)) {
translate_z(nozzle_h)
color("lightgrey")
translate([-heater_x, -heater_y, 0])
cube([heater_length, heater_width, heater_height]);
e3d_resistor(type, naked, resistor_wire_rotate);
e3d_nozzle(type);
}
}
module e3d_fan_duct(type) {
color("DeepSkyBlue")
render() difference() {
hull() {
translate([-8, -23 / 2, 0])
cube([eps, 23, 26]);
translate([fan_x_offset, -30 / 2, 0])
cube([eps, 30, 30]);
}
cylinder(h = 70, d = rad_dia + 0.1, center = true); // For rad
translate_z(15)
rotate([0, 90, 0])
cylinder(d = rad_dia, h = 50);
}
}
module e3d_fan(type) {
e3d_fan_duct(type);
translate([fan_x_offset + 5 + eps, 0, 15])
rotate([0, 90, 0])
not_on_bom()
fan(fan30x10);
}
module e3d_hot_end(type, filament, naked = false, resistor_wire_rotate = [0,0,0]) {
insulator_length = hot_end_insulator_length(type);
inset = hot_end_inset(type);
h_ailettes = rad_len / (2 * rad_nb_ailettes - 1);
vitamin(str("e3d_hot_end(", type[0], ", ", filament, "): Hot end ", hot_end_part(type), " ", filament, "mm"));
translate_z(inset - insulator_length)
color(hot_end_insulator_colour(type))
rotate_extrude()
difference() {
union() {
for (i = [0 : rad_nb_ailettes - 1])
translate([0, (2 * i) * h_ailettes])
square([rad_dia / 2, h_ailettes]);
square([hot_end_insulator_diameter(type) / 2, insulator_length]);
translate([0, -10])
square([2, 10]);
}
square([3.2 / 2, insulator_length]); // Filament hole
translate([hot_end_groove_dia(type) / 2, insulator_length - inset - hot_end_groove(type)])
square([100, hot_end_groove(type)]);
}
rotate(90)
heater_block(type, naked, resistor_wire_rotate);
if(!naked)
translate_z(inset - insulator_length)
e3d_fan();
}
module e3d_hot_end_assembly(type, filament, naked = false, resistor_wire_rotate = [0,0,0]) {
bundle = 3.2;
e3d_hot_end(type, filament, naked, resistor_wire_rotate);
// Wire and ziptie
if(!naked)
rotate(10) {
dia = hot_end_insulator_diameter(type);
scale([1, (bundle + dia) / dia])
translate([0, -bundle / 2, -7])
rotate(-110)
ziptie(small_ziptie, dia / 2);
translate([0, -dia / 2 - bundle / 2, 20])
scale([0.7, bundle / 6.4])
difference() {
tubing(HSHRNK64, 60);
translate_z(20)
cube([10, 10, 60], center = true);
}
}
}