87 lines
2.8 KiB
OpenSCAD
87 lines
2.8 KiB
OpenSCAD
include <./common/common.scad>;
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include <./common/threads.scad>;
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Core16mm = 25.5;
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PlatterThickness = 1.6;
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Platter120m = 178;
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module thread_16mm ( pos = [0, 0, 0], length = 11, chamfer = false, pad = 0) {
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translate(pos) {
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if (chamfer) {
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metric_thread (diameter=18.5, pitch=1.5, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
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} else {
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metric_thread (diameter=18.5, pitch=1.5, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
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}
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}
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}
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module threaded_core (pos = [0, 0, 0], format = "16mm") {
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$fn = 120;
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translate (pos) {
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if (format == "16mm") {
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union () {
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cylinder(r = R(Core16mm), h = 6, center = true);
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thread_16mm([0, 0, 0], length = 11, chamfer = true);
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}
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}
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}
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}
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module socket_core (pos = [0, 0, 0], format = "16mm") {
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$fn = 120;
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translate (pos) {
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if (format == "16mm") {
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difference () {
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cylinder(r = R(Core16mm), h = 11, center = true);
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}
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}
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}
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}
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module platter (pos = [0, 0, 0], length = 120) {
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if (length == 120) {
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difference () {
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cylinder(r = R(Platter120m), h = PlatterThickness, center = true, $fn = 300);
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for (i = [0 : 3]) {
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rotate([0, 0, i * 90]) translate([105 / 2, 0, 0]) cylinder(r = R(44.5), h = PlatterThickness + 1, center = true, $fn = 100);
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}
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}
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}
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}
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//length in meters
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module split_reel (format = "16mm", length = 120, half = "A") {
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if (half == "A") {
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difference () {
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union () {
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platter([0, 0, 0], length = length);
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threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "16mm");
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rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (4.75 / 2)]) cylinder(r = R(6.25), h = 4.75, center = true, $fn = 60);
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}
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if (format == "16mm") {
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cube([8.5, 8.5, 50], center = true);
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rotate([0, 0, 45]) translate([5.5, 0, 0]) cube([3, 3, 50], center = true);
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}
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}
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} else if (half == "B") {
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difference () {
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union () {
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platter([0, 0, 0], length = length);
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socket_core([0, 0, (PlatterThickness / 2) + (11 / 2)], format = "16mm");
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}
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rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
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thread_16mm([0, 0, -13], 15);
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thread_16mm([0, 0, -13.1], 15);
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}
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}
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}
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}
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PART = "split_reel_16mm_120m_A";
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if (PART == "split_reel_16mm_120m_A") {
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split_reel("16mm", 120, "A");
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} else if (PART == "split_reel_16mm_120m_B") {
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split_reel("16mm", 120, "B");
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} |