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split_reel
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split_reel/scad/split_reel.scad

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use <./common/common.scad>;
use <./common/threads.scad>;
include <./common/string.scad>;
FilmThickness = 4.11; //mil
FilmThicknessMM = FilmThickness * 0.0254;
CoreD = 2 * 25.4;
Core16mm = 25.5;
Socket16mmH = 11;
PlatterThickness = 1.6;
//Platter120m = 178;
Thread16mmD = 17.5;
Pitch16mm = 1.525;
SocketSuper8H = 4;
ThreadSuper8D = 21;
Title = "";
module rotary_text (Text = "Test", D = 40, CharacterAngle = 15) {
TextArr = split(Text, "");
Radius = R(D);
Chars = len(TextArr);
for (i = [0:1:Chars]) {
rotate([0, 0, -i * CharacterAngle]) translate([0, Radius, 0]) {
scale([0.5, 0.5, 1]) linear_extrude(height = 1) {
text(TextArr[i], halign = "center");
}
}
}
}
module length_text (Gauge = "16mm", Length = 120, Footage = 400, PlatterD = 178) {
Text = join(concat(Gauge, " ", str(Length), "m/", str(Footage), "ft"));
CharacterAngle = Length == 120 ? 3.75 : Length == 60 ? 4.5 : Length == 30 ? 6.25 : 3.75;
rotary_text( Text, D = PlatterD - 15, CharacterAngle);
}
module thread_16mm ( pos = [0, 0, 0], Length = 11, chamfer = false, pad = 0) {
translate(pos) {
if (chamfer) {
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);
} else {
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);
}
}
}
module thread_8mm ( pos = [0, 0, 0], Length = 6, chamfer = false, pad = 0) {
translate(pos) {
if (chamfer) {
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);
} else {
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);
}
}
}
module threaded_core (pos = [0, 0, 0], Gauge = "16mm") {
$fn = 120;
translate (pos) {
if (Gauge == "16mm") {
union () {
cylinder(r = R(Core16mm), h = 6, center = true);
thread_16mm([0, 0, 1.5], Length = Socket16mmH + 3, chamfer = true, pad = -0.2);
}
} else if (Gauge == "8mm") {
union () {
cylinder(r = R(Core16mm), h = 4, center = true);
thread_8mm([0, 0, 0], Length = SocketSuper8H + 3, chamfer = true, pad = -0.2);
}
}
}
}
module socket_core (pos = [0, 0, 0], Gauge = "16mm") {
$fn = 120;
translate (pos) {
if (Gauge == "16mm") {
difference () {
cylinder(r = R(Core16mm), h = Socket16mmH, center = true);
}
} else if (Gauge == "8mm") {
difference () {
cylinder(r = R(Core16mm), h = SocketSuper8H, center = true);
}
}
}
}
module platter (pos = [0, 0, 0], PlatterD = 178) {
VoidD = (PlatterD - CoreD) / 3;
VoidX = floor(((PlatterD - CoreD) * 0.43) + CoreD);
echo(VoidD);
difference () {
cylinder(r = R(PlatterD), h = PlatterThickness, center = true, $fn = 300);
if (VoidD > 22) {
for (i = [0 : 3]) {
rotate([0, 0, i * 90]) translate([VoidX / 2, 0, 0]) cylinder(r = R(VoidD), h = PlatterThickness + 1, center = true, $fn = 100);
}
}
}
}
module split_reel_16mm_A (Length = 120, Footage = 400, PlatterD = 178) {
difference () {
union () {
difference () {
platter(pos = [0, 0, 0], PlatterD = PlatterD);
translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) length_text("16mm", Length, Footage, PlatterD);
}
threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], Gauge = "16mm");
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);
}
cube([8.5, 8.5, 50], center = true);
rotate([0, 0, 45]) translate([5.5, 0, 0]) cube([3, 3, 50], center = true);
}
}
module split_reel_16mm_B ( Length = 120, Footage = 400, PlatterD = 178) {
difference () {
union () {
platter([0, 0, 0], PlatterD = PlatterD);
socket_core([0, 0, (PlatterThickness / 2) + (Socket16mmH / 2)], Gauge = "16mm");
}
rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
thread_16mm([0, 0, -13], 15);
thread_16mm([0, 0, -13.1], 15);
}
}
}
module split_reel_8mm_A ( Length = 120, Footage = 400, PlatterD = 178) {
BaseH = 4;
NotchH = 2;
NotchW = 21;
difference () {
union () {
difference () {
platter([0, 0, 0], PlatterD = PlatterD);
translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) length_text("8mm", Length, Footage, PlatterD);
}
threaded_core([0, 0, (PlatterThickness / 2) + (BaseH / 2)], Gauge = "8mm");
rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (NotchH / 2)]) cylinder(r = R(6.25), h = NotchH, center = true, $fn = 60);
}
cylinder(r = R(13), h = 50, center = true, $fn = 80);
for (i = [0 : 2]) {
rotate([0, 0, i * (360 / 3)]) translate([NotchW / 4, 0, 0]) cube([NotchW / 2, 2.25, 8], center = true);
}
}
}
module split_reel_8mm_B ( Length = 120, Footage = 400, PlatterD = 178) {
difference () {
union () {
platter([0, 0, 0], PlatterD = PlatterD);
socket_core([0, 0, (PlatterThickness / 2) + (SocketSuper8H / 2)], Gauge = "8mm");
}
rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
thread_8mm([0, 0, -13], 15);
thread_8mm([0, 0, -13.1], 15);
}
}
}
//Length in meters
module split_reel (Gauge = "16mm", Length = 120, Side = "A") {
PlatterD = ceil((2 * sqrt(((Length * 1000) * FilmThicknessMM) / PI)) + (CoreD));
echo("PlatterD", PlatterD);
Footage = Length == 120 ? 400 : Length == 60 ? 200 : Length == 30 ? 100 : round((Length * 1000) / (12 * 25.4));
if (Gauge == "16mm") {
if (Side == "A") {
split_reel_16mm_A(Length = Length, Footage = Footage, PlatterD = PlatterD);
} else if (Side == "B") {
split_reel_16mm_B(Length = Length, Footage = Footage, PlatterD = PlatterD);
}
} else if (Gauge == "8mm") {
if (Side == "A") {
split_reel_8mm_A(Length = Length, Footage = Footage, PlatterD = PlatterD);
} else if (Side == "B") {
split_reel_8mm_B(Length = Length, Footage = Footage, PlatterD = PlatterD);
}
} else {
echo("Unrecognized Gauge:", Gauge);
}
}
module buildPyramidalExtrude(height, maxOffset, nSlices){
heightIncrement = height / nSlices;
offsetIncrement = maxOffset / (nSlices-1);
for (i = [1 : nSlices]) {
linear_extrude(height=i * heightIncrement) {
offset(r = maxOffset - (i - 1) * offsetIncrement) {
children();
}
}
}
}
module logo_test () {
difference () {
split_reel("16mm", 120, "B");
translate([-45, -48, -0.65]) scale([0.25, 0.25, 1]) {
rotate([180, 0, 0]) buildPyramidalExtrude(.5, .25, 20) {
import(file = "svg/logo.svg", center = true);
}
}
}
}
PART = "16mm_120m_A";
if (PART == "16mm_120m_A") {
split_reel("16mm", 120, "A");
} else if (PART == "16mm_120m_B") {
split_reel("16mm", 120, "B");
} else if (PART == "8mm_120m_A") {
split_reel("8mm", 120, "A");
} else if (PART == "8mm_120m_B") {
split_reel("8mm", 120, "B");
} else if (PART == "16mm_60m_A") {
split_reel("16mm", 60, "A");
} else if (PART == "16mm_60m_B") {
split_reel("16mm", 60, "B");
} else if (PART == "8mm_60m_A") {
split_reel("8mm", 60, "A");
} else if (PART == "8mm_120m_B") {
split_reel("8mm", 60, "B");
} else if (PART == "16mm_30m_A") {
split_reel("16mm", 30, "A");
} else if (PART == "16mm_30m_B") {
split_reel("16mm", 30, "B");
} else if (PART == "8mm_30m_A") {
split_reel("8mm", 30, "A");
} else if (PART == "8mm_30m_B") {
split_reel("8mm", 30, "B");
}
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