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Design ready to print prototype. Platter thickness may be low.

This commit is contained in:
Matt McWilliams 2023-06-18 20:35:24 -04:00
parent fec84ec68d
commit 871862271a
1 changed files with 15 additions and 14 deletions
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25
split_reel.scad
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@ -5,9 +5,13 @@ Core16mm = 25.5;
PlatterThickness = 1.6; PlatterThickness = 1.6;
Platter120m = 178; Platter120m = 178;
module thread_16mm ( pos = [0, 0, 0], length = 11, pad = 0) { module thread_16mm ( pos = [0, 0, 0], length = 11, chamfer = false, pad = 0) {
translate(pos) { translate(pos) {
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=1.0); if (chamfer) {
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);
} else {
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);
}
} }
} }
@ -17,7 +21,7 @@ module threaded_core (pos = [0, 0, 0], format = "16mm") {
if (format == "16mm") { if (format == "16mm") {
union () { union () {
cylinder(r = R(Core16mm), h = 6, center = true); cylinder(r = R(Core16mm), h = 6, center = true);
thread_16mm([0, 0, 6 / 2], length = 11); thread_16mm([0, 0, 0], length = 11, chamfer = true);
} }
} }
} }
@ -53,6 +57,7 @@ module split_reel (format = "16mm", length = 120, half = "A") {
union () { union () {
platter([0, 0, 0], length = length); platter([0, 0, 0], length = length);
threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "16mm"); threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "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);
} }
if (format == "16mm") { if (format == "16mm") {
cube([8.5, 8.5, 50], center = true); cube([8.5, 8.5, 50], center = true);
@ -65,22 +70,18 @@ module split_reel (format = "16mm", length = 120, half = "A") {
platter([0, 0, 0], length = length); platter([0, 0, 0], length = length);
socket_core([0, 0, (PlatterThickness / 2) + (11 / 2)], format = "16mm"); socket_core([0, 0, (PlatterThickness / 2) + (11 / 2)], format = "16mm");
} }
thread_16mm([0, 0, -1], 15); rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
thread_16mm([0, 0, -1.1], 15); thread_16mm([0, 0, -13], 15);
thread_16mm([0, 0, -13.1], 15);
}
} }
} }
} }
PART = "split_reel_16mm_120m_B"; PART = "split_reel_16mm_120m_A";
if (PART == "split_reel_16mm_120m_A") { if (PART == "split_reel_16mm_120m_A") {
intersection () {
split_reel("16mm", 120, "A"); split_reel("16mm", 120, "A");
cube([30, 30, 30], center = true);
}
} else if (PART == "split_reel_16mm_120m_B") { } else if (PART == "split_reel_16mm_120m_B") {
intersection () {
split_reel("16mm", 120, "B"); split_reel("16mm", 120, "B");
cube([30, 30, 30], center = true);
}
} }