Add Super8 120m/400ft reels
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fe1b19b7d5
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157
split_reel.scad
157
split_reel.scad
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@ -2,17 +2,43 @@ include <./common/common.scad>;
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include <./common/threads.scad>;
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Core16mm = 25.5;
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Socket16mmH = 11;
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PlatterThickness = 1.6;
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Platter120m = 178;
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Thread16mmD = 17.5;
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Pitch16mm = 1.55;
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Pitch16mm = 1.525;
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SocketSuper8H = 4;
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ThreadSuper8D = 21;
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module rotary_text (TextArr = ["T","e","s","t"], D = 40, CharacterAngle = 15) {
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Radius = R(D);
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Chars = len(TextArr);
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for (i = [0:1:Chars]) {
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rotate([0, 0, -i * CharacterAngle]) translate([0, Radius, 0]) {
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scale([0.5, 0.5, 1]) linear_extrude(height = 1) {
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text(TextArr[i], halign = "center");
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}
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}
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}
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}
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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=Thread16mmD, pitch=Pitch16mm, 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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metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, 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=Thread16mmD, pitch=Pitch16mm, 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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metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, 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 thread_super8 ( pos = [0, 0, 0], length = 6, chamfer = false, pad = 0) {
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translate(pos) {
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if (chamfer) {
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metric_thread (diameter=ThreadSuper8D + pad, pitch=Pitch16mm, 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=ThreadSuper8D + pad, pitch=Pitch16mm, 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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@ -23,7 +49,12 @@ module threaded_core (pos = [0, 0, 0], format = "16mm") {
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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, 1.5], length = 14, chamfer = true);
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thread_16mm([0, 0, 1.5], length = Socket16mmH + 3, chamfer = true, pad = -0.2);
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}
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} else if (format == "super8") {
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union () {
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cylinder(r = R(Core16mm), h = 4, center = true);
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thread_super8([0, 0, 0], length = SocketSuper8H + 3, chamfer = true, pad = -0.2);
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}
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}
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}
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@ -34,7 +65,11 @@ module socket_core (pos = [0, 0, 0], format = "16mm") {
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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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cylinder(r = R(Core16mm), h = Socket16mmH, center = true);
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}
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} else if (format == "super8") {
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difference () {
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cylinder(r = R(Core16mm), h = SocketSuper8H, center = true);
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}
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}
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}
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@ -51,41 +86,93 @@ module platter (pos = [0, 0, 0], length = 120) {
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}
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}
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module split_reel_16mm_A (length = 120) {
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difference () {
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union () {
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difference () {
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platter([0, 0, 0], length = length);
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translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) rotary_text(["1", "6", "m", "m", " ", " ", "1", "2", "0", "m", "/", "4", "0", "0", "f", "t"], D = Platter120m - 15, CharacterAngle=3.75);
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}
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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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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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module split_reel_16mm_B ( length = 120) {
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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) + (Socket16mmH / 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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module split_reel_super8_A ( length = 120) {
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BaseH = 4;
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NotchH = 2;
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NotchW = 19;
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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) + (BaseH / 2)], format = "super8");
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rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (NotchH / 2)]) cylinder(r = R(6.25), h = NotchH, center = true, $fn = 60);
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}
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cylinder(r = R(13), h = 50, center = true, $fn = 80);
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for (i = [0 : 2]) {
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rotate([0, 0, i * (360 / 3)]) translate([NotchW / 4, 0, 0]) cube([NotchW / 2, 2.25, 8], center = true);
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}
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}
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}
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module split_reel_super8_B ( length = 120) {
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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) + (SocketSuper8H / 2)], format = "super8");
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}
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rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
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thread_super8([0, 0, -13], 15);
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thread_super8([0, 0, -13.1], 15);
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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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if (format == "16mm") {
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if (half == "A") {
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split_reel_16mm_A(length = length);
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} else if (half == "B") {
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split_reel_16mm_B(length = length);
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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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} else if (format == "super8") {
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if (half == "A") {
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split_reel_super8_A(length = length);
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} else if (half == "B") {
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split_reel_super8_B(length = length);
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}
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}
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}
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PART = "split_reel_16mm_120m_B";
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intersection () {
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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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}
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cube([30, 30, 40], center = true);
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}
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//intersection () {
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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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} else if (PART == "split_reel_super8_120m_A") {
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split_reel("super8", 120, "A");
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} else if (PART == "split_reel_super8_120m_B") {
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split_reel("super8", 120, "B");
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}
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//cube([40, 40, 40], center = true);
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//}
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