GNAL/scad/50ft_v3/gnal_50ft.scad

243 lines
8.1 KiB
OpenSCAD

//V3
include <../libraries/gnal_v3.scad>;
SPOKE_COUNT = 24;
FN = 200;
$fn = FN;
module gnal_50ft_spiral (spiral_count = 40, od = 215.75, quarter = false) {
outer_d = 215;
outer_d_inside = 209;
outer_h = 7.5;
spoke_len = 81;
spoke_w = 3;
spoke_h = 4.2 + 3;
spoke_2_len = 43;
translate([0, 0, -3.6]) difference () {
cylinder(r = outer_d / 2, h = spoke_h, center = true, $fn = 500);
cylinder(r = outer_d_inside / 2, h = outer_h + 1, center = true, $fn = 500);
}
difference () {
gnal_spiral_core();
//rounded spoke voids
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([0, 26.75, 0]) {
cylinder(r = 2, h = 20, center = true, $fn = 40);
}
}
}
}
//main spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, i * (360 / SPOKE_COUNT)]) {
translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) {
if (quarter && i % 3 == 0 && i % 6 != 0) { //phew!
cube([spoke_len, spoke_w * 2, spoke_h], center = true);
} else {
cube([spoke_len, spoke_w, spoke_h], center = true);
}
}
}
}
//secondary spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
cube([spoke_2_len, spoke_w, spoke_h], center = true);
}
}
}
//spoke cross bars
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([63, 0, -3.6]) {
rotate([0, 0, 20]) {
cube([ spoke_w, 18, spoke_h], center = true);
}
}
}
}
translate([0, 0, -.1]) {
rotate([0, 0, -90]) {
film_guide(spiral_count);
}
}
}
module gnal_50ft_spiral_quarter (quarter = "a") {
LEN = 220;
module notch (NOTCH = 5) {
cube([NOTCH, NOTCH, 5], center = true);
translate([0, 0, (5 / 2) + (1 / 2)]) rotate([0, 0, 45]) cylinder(r1 = NOTCH / 1.4, r2 = 0.1, h = 1, center = true, $fn = 4);
}
module quarter () {
NOTCH = 3;
NOTCH_H = -5;
NOTCHES = 7;
OFFSET = 60;
difference () {
cube([LEN, LEN, LEN], center = true);
for (i = [0 : NOTCHES - 1]) {
translate([OFFSET - (i * (LEN / NOTCHES)), -(LEN / 2), NOTCH_H]) rotate([0, 0, 45]) notch(NOTCH);
}
}
for (i = [0 : NOTCHES - 2]) {
translate([-(LEN / 2), OFFSET - (i * (LEN / NOTCHES)), NOTCH_H]) rotate([0, 0, 45]) notch(NOTCH);
}
}
intersection () {
rotate([0, 0, 45]) gnal_50ft_spiral(quarter = true);
if (quarter == "a") {
rotate([0, 0, 0]) translate([LEN / 2, LEN / 2, 0]) quarter();
} else if (quarter == "b") {
rotate([0, 0, 90]) translate([LEN / 2, LEN / 2, 0]) quarter();
} else if (quarter == "c") {
rotate([0, 0, 180]) translate([LEN / 2, LEN / 2, 0]) quarter();
} else if (quarter == "d") {
rotate([0, 0, 270]) translate([LEN / 2, LEN / 2, 0]) quarter();
}
}
}
module gnal_50ft_top () {
H = 5;
center_d = 53;
spoke_w = 4.5;
spokes = 12;
outer_d = 215;
inner_d = 150;
void_d = 22.5;
hole_d = 3.5;
hole_spacing = 37;
core_d = 29.5;
core_bottom_d = 26.2;
difference () {
union () {
cylinder(r = center_d / 2, h = H, center = true, $fn = 100);
for (i = [0 : spokes - 1]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true);
}
}
//void
cylinder(r = void_d / 2, h = H + 1, center = true, $fn = 100);
//speed holes
for (i = [0 : 3]) {
rotate([0, 0, (i * 90) + 45]) translate([0, hole_spacing / 2, 0]) cylinder(r = hole_d / 2, h = H + 1, center = true);
}
//rounding of center cylinder
for (i = [0 : spokes - 1]) {
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([-2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([0, 26.5, 0]) cube([5, 4, H + 1], center = true);
}
}
difference () {
cylinder(r = (center_d / 2) - 1.8, h = H, center = true, $fn = 200);
cylinder(r = (hole_spacing / 2) + 2, h = H + 1, center = true, $fn = 200);
}
//outer ring
difference () {
cylinder(r = outer_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (outer_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//inner ring
difference () {
cylinder(r = inner_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//rounded cross connectors
for (i = [0 : spokes - 1]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, (inner_d / 2) - (spoke_w / 2), 0]) difference() {
cylinder(r = 6.5, h = H, center = true);
translate([6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
difference () {
union () {
translate([0, 0, 3.75 + 1]) cylinder(r = core_d / 2, h = H, center = true, $fn = 60);
translate([0, 0, 3.75 + 1 + 3.2]) cylinder(r = core_bottom_d / 2, h = H, center = true, $fn = 60);
}
cylinder(r = void_d / 2, h = H * 5 , center = true, $fn = 100);
translate([0, 0, 4 + 1 + 2.25]) spacer_ridges();
}
//rounded outer ring connectors
for (i = [0 : spokes - 1]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () {
cube([13, 9, H], center = true);
translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
}
module film_guide (rotations = 40, id = 45.55 - .5, spacing = 2.075, bottom = -2) {
spiral(rotations, id, spacing, bottom, $fn);
//reinforce outer spiral
difference () {
spiral_reinforcement(208.9, spacing, -0.1, $fn);
translate([107.35, 6, 0]) cube([5, 15, 10], center = true);
}
}
PART="spiral";
if (PART == "spiral") {
gnal_50ft_spiral();
} else if (PART == "quarter_a") {
gnal_50ft_spiral_quarter("a");
} else if (PART == "quarter_b") {
gnal_50ft_spiral_quarter("b");
} else if (PART == "quarter_c") {
gnal_50ft_spiral_quarter("c");
} else if (PART == "quarter_d") {
gnal_50ft_spiral_quarter("d");
} else if (PART == "top") {
gnal_50ft_top();
} else if (PART == "spacer") {
gnal_spacer();
} else if (PART == "spacer_16") {
gnal_spacer_16();
} else if (PART == "insert_s8") {
gnal_spiral_bottom_insert_s8();
} else if (PART == "insert_16") {
gnal_spiral_bottom_insert_16();
} else if (PART == "insert_single") {
gnal_spiral_bottom_insert_single();
} else if (PART == "spindle_top") {
gnal_spindle_top();
} else if (PART == "spindle_bottom") {
gnal_spindle_bottom();
} else if (PART == "spindle_single") {
gnal_spindle_single();
} else if (PART == "spindle_stacking") {
rotate([0, 180, 0]) gnal_stacking_spindle();
} else if (PART == "spiral_test") {
difference () {
gnal_50ft_spiral();
translate([125, 0, 0]) cube([250, 250, 100], center = true);
rotate([0, 0, 30]) translate([-125, 0, 0]) cube([250, 250, 100], center = true);
}
}
if (DEBUG) {
echo("WARNING: DEBUG is enabled");
}
/*
echo($vpt);
echo($vpr);
echo($vpd);
*/