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takeup/takeup.scad

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include <common/common.scad>;
include <daylight_spool_mount.scad>;
COUPLING_D = 37;
WASHER_D = 35.7; //1 + 1/3 diameter?
WASHER_H = 2.4;
MOTOR_SHAFT_D = 6;
MOTOR_SHAFT_H = 16;
MOTOR_SHAFT_HOBBLE = 1;
MOTOR_MOUNT_X = 32.5 + 0.1;
MOTOR_MOUNT_Y = 17.5 + 0.1;
M4 = 4.1;
module motor_shaft () {
difference () {
cylinder(r = R(MOTOR_SHAFT_D), h = MOTOR_SHAFT_H, center = true, $fn = 60);
translate([MOTOR_SHAFT_D - MOTOR_SHAFT_HOBBLE, 0, 0]) cube([MOTOR_SHAFT_D, MOTOR_SHAFT_D, MOTOR_SHAFT_H + 1], center = true);
}
}
module motor_mounts () {
Z = 1.5;
D = 7.5;
translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
}
module motor_mount_pad (D, Z) {
difference () {
cylinder(r = R(D), h = Z, center = true, $fn = 40);
//bolt void
cylinder(r = R(2.5), h = Z + 1, center = true, $fn = 40);
}
}
module magnetic_coupling (MAGNETS = 4, MAGNET_D = 8.1, MAGNET_H = 2.5) {
H = 3;
OFFSET = 12;
difference () {
union () {
cylinder(r = R(COUPLING_D), h = MAGNET_H + H, center = true, $fn = 100);
translate([0, 0, -6]) cylinder(r = R(12.5), h = 10, center = true, $fn = 60);
translate([0, 0, -5]) cylinder(r = R(20), h = 5, center = true, $fn = 60);
}
//motor shaft void
scale([1.1, 1.1, 2]) motor_shaft();
//magnet voids
for (i = [0 : MAGNETS - 1]) {
rotate([0, 0, i * (360 / MAGNETS)]) {
translate([0, OFFSET, H - MAGNET_H + 1.01]) {
cylinder(r = R(MAGNET_D), h = MAGNET_H, center = true, $fn = 50);
}
}
}
//m3 nut
translate([6, 0, -9]) {
cube([2.75, 5.75, 10], center = true);
translate([0, 0, 5]) rotate([0, 90, 0]) {
cylinder(r = R(6.75), h = 2.75, center = true, $fn = 6);
translate([0, 0, 4]) cylinder(r = R(3.25), h = 20, center = true, $fn = 30);
translate([0, 0, 13.5]) cylinder(r = R(6), h = 20, center = true, $fn = 30);
}
}
}
}
module slip_coupling (MAGNET_H = 2.5) {
H = 16;
difference () {
translate([0, 0, 2]) cylinder(r = R(45), h = H, center = true, $fn = 100);
translate([0, 0, 2 -(H / 2) + (MAGNET_H + 3) / 2]) cylinder(r = R(COUPLING_D + 0.7), h = MAGNET_H + 3.01, center = true, $fn = 160);
translate([0, 0, 2 -(H / 2) + (MAGNET_H + 3) + (WASHER_H / 2)]) cylinder(r = R(WASHER_D), h = WASHER_H, center = true, $fn = 160);
translate([0, 0, 2 + (H / 2) - (5 / 2)]) cube([25, 10, 5.01], center = true);
translate([0, 0, 2 + (H / 2) - (5 / 2)]) cube([10, 25, 5.01], center = true);
//corners with voids for M3
translate([-8.75, -8.75, 2 + (H / 2) - (5 / 2)]) {
translate([0, 0, 1]) cube([(25 - 10) / 2, (25 - 10) / 2, 5.01], center = true);
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, -4.25]) hex(6, 2.75);
}
translate([8.75, 8.75, 2 + (H / 2) - (5 / 2)]) {
translate([0, 0, 1]) cube([(25 - 10) / 2, (25 - 10) / 2, 5.01], center = true);
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, -4.25]) hex(6, 2.75);
}
}
}
module daylight_spool_insert () {
translate([0, 0, 15.9]) daylight_spool_mount(false, false);
translate([0, 0, 3.25]) cylinder(r = R(18), h = 1.5, center = true, $fn = 240);
union () {
cube([25 - .4, 10 - .4, 5], center = true);
cube([10 - .4, 25 - .4, 5], center = true);
translate([-8.75, -8.75, 0]) difference () {
translate([.2, .2, 1/2]) cube([(25 - 10) / 2, (25 - 10) / 2, 4], center = true);
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, 2]) cylinder(r = R(5.75), h = 3.5, center = true, $fn = 40);
}
translate([8.75, 8.75, 0]) difference () {
translate([ -.2, -.2, 1/2]) cube([(25 - 10) / 2, (25 - 10) / 2, 4], center = true);
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, 2]) cylinder(r = R(5.75), h = 3.5, center = true, $fn = 40);
}
}
}
module motor_mount_void (D, Z) {
cylinder(r = R(D), h = Z, center = true, $fn = 40);
//bolt void
translate([0, 0, 5]) cylinder(r = R(3.25 + 0.2), h = Z + 10, center = true, $fn = 40);
translate([0, 0, 4.75]) cylinder(r = R(6), h = 3.5, center = true, $fn = 40);
}
module mount_plate_void (pos = [0, 0, 0]) {
translate(pos) {
cylinder(r = R(4.25), h = 20, center = true, $fn = 40);
translate([0, 0, 0.5]) cylinder(r = R(8), h = 3, center = true, $fn = 40);
}
}
module mount_plate () {
Z = 1.5;
D = 7.5 + 1.5;
X = 60;
Y = 60;
MOUNT_X = 42;
MOUNT_Y = 42;
CORNER = 3;
X_CORNER = (X / 2) - (CORNER / 2);
Y_CORNER = (Y / 2) - (CORNER / 2);
//center
//color("red") cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
difference () {
translate([0, 0, 3.26 - .5]) cube([X, Y, 7], center = true);
//motor void (centered)
translate([7-0.5, 0, 0]) {
translate([-(46 / 2) + 15 + 1 + 0.5, 0, 0]) cylinder(r = R(15), h = 20, center = true, $fn = 60);
translate([(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
translate([-(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
translate([(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
translate([-(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
//pad void
translate([-8 + 12.5 + 1, 0, 0]) cube([8, 17, Z], center = true);
}
mount_plate_void([MOUNT_X / 2, MOUNT_Y / 2, 0]);
mount_plate_void([-MOUNT_X / 2, MOUNT_Y / 2, 0]);
mount_plate_void([MOUNT_X / 2, -MOUNT_Y / 2, 0]);
mount_plate_void([-MOUNT_X / 2,-MOUNT_Y / 2, 0]);
translate([X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
translate([-X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
translate([X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
translate([-X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
}
translate([X_CORNER - (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
translate([-X_CORNER + (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
translate([X_CORNER - (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
translate([-X_CORNER + (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
}
//centered, minimal geometry needed to add
//58x52
module minimal_mount () {
difference () {
mount_plate();
translate([50 + 29, 0, 0]) cube([100, 100, 100], center = true);
translate([-50 - 29, 0, 0]) cube([100, 100, 100], center = true);
translate([0, 50 + 26, 0]) cube([100, 100, 100], center = true);
translate([0, -50 - 26, 0]) cube([100, 100, 100], center = true);
}
}
module m4_nut (H = 3.1) {
cylinder(r = R(8.1), h = 3.1, center = true, $fn = 6);
}
module daylight_spool_insert_reinforced () {
//internally Hex M4 40mm
difference () {
daylight_spool_insert();
cylinder(r = R(M4), h = 100, center = true, $fn = 60);
translate([0, 0, -1]) m4_nut();
}
}
module daylight_spool_insert_reinforced_nut () {
D = 30;
H = 6;
BUMPS = 60;
BUMP_D = 1.2;
difference() {
union () {
cylinder(r = R(D), h = H, center = true, $fn = 120);
for (i = [0 : BUMPS - 1]) {
rotate([0, 0, i * (360 / BUMPS)]) {
translate([R(D) - .1, 0, 0]) cylinder(r = R(BUMP_D), h = H, center = true, $fn = 20);
}
}
}
//m4
translate([0 , 0, (H / 2) - (3.1 / 2) + 0.01]) m4_nut();
cylinder(r = R(M4), h = 100, center = true, $fn = 60);
//under void
translate([0, 0, -4]) cylinder(r = R(15), h = H, center = true, $fn = 120);
//top void
translate([0, 0, 4]) difference () {
cylinder(r = R(25), h = H, center = true, $fn = 120);
cylinder(r = R(12), h = H, center = true, $fn = 120);
}
//bevels
translate([0, 0, (H / 2) - (1 / 2)]) difference () {
cylinder(r = R(D) + 5, h = 1, center = true, $fn = 240);
cylinder(r2 = R(D), r1 = R(D) + 1, h = 1, center = true, $fn = 240);
}
translate([0, 0, (H / 2) - (1 / 2)]) difference () {
cylinder(r = R(D) + 5, h = 1, center = true, $fn = 240);
cylinder(r2 = R(D), r1 = R(D) + 1, h = 1, center = true, $fn = 240);
}
}
}
module debug_assembled () {
translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) geared_motor();
color("green") translate([0, 0, 11]) mount_plate();
color("blue") translate([0, 0, 23]) rotate([0, 0, -90]) //magnetic_coupling();
difference () {
translate([0, 0, 26.5]) slip_coupling();
translate([-50, 0, 0]) cube([100, 100, 150], center = true);
}
color("red") translate([0, 0, 34]) daylight_spool_insert();
}
PART = "mount_plate";
if (PART == "slip_coupling") {
slip_coupling();
} else if (PART == "magnetic_coupling") {
magnetic_coupling();
} else if (PART == "mount_plate") {
//42x42 M4 mounting holes
mount_plate();
} else if (PART == "daylight_spool_insert") {
daylight_spool_insert();
} else if (PART == "minimal_mount") {
minimal_mount();
} else if (PART == "daylight_spool_insert_reinforced") {
daylight_spool_insert_reinforced();
} else if (PART == "daylight_spool_insert_reinforced_nut") {
daylight_spool_insert_reinforced_nut();
} else if (PART == "debug") {
debug_assembled();
}
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