takeup/examples/JK_projector_takeup.scad

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6.6 KiB
OpenSCAD

include <../takeup.scad>;
PART="none";
ARM_LENGTH = 130;
ARM_WIDTH = 15;
ARM_HEIGHT = 7;
ARM_CUTOFF = 101.25;
ARM_REINFORCEMENT_OFFSET_X = 20;
ARM_REINFORCEMENT_Y = 5;
ARM_REINFORCEMENT_Z = 4.1;
ARMS_ANGLE = 40;
AX = 105;
AY = 26.85;
AZ = 6.1;
BX = 105;
BY = 34.4;
BZ = 5;
BOLTSX = 77;
M5 = 5;
FILTER_X = 55.4;
FILTER_Y = 6.5;
FILTER_VOID_X = FILTER_X - 9 + ((4.5 - 2.34) * 2);
ROLLER_SPACING = 95;
module m5_nut () {
cylinder(r = R(9.4), h = 4, center = true, $fn = 6);
}
module block () {
cube([AX, AY, AZ], center = true);
translate([0, -(AY - BY) / 2, (AZ / 2) + (BZ / 2)]) {
difference () {
union () {
cube([BX, BY, BZ], center = true);
translate([BOLTSX / 2, (BY / 2) - 3.5, 0]) {
cylinder(r= R(13), h = BZ, center = true, $fn = 60);
}
translate([-BOLTSX / 2, (BY / 2) - 3.5, 0]) {
cylinder(r= R(13), h = BZ, center = true, $fn = 60);
}
}
translate([0, BY - 5.44, 0]) cube([53.2, BY, BZ + 1], center = true);
//bolts
translate([0, (BY / 2) - 3.5, 0]) {
translate([BOLTSX / 2, 0, 0]) {
cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
translate([0, 0, 3]) m5_nut();
}
translate([-BOLTSX / 2, 0, 0]) {
cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
translate([0, 0, 3]) m5_nut();
}
}
}
}
}
module original_takeup () {
block();
}
module projector_mount () {
//intersection () {}
$fn = 60;
intersection () {
rotate([0, 180, 0]) minimal_mount();
translate([-10, 0, 0]) rounded_cube([50, 30, 20], d = 12, center = true);
}
//translate([-8.5, 0, 12]) rotate([0, 0, 180]) geared_motor();
//translate([0, 0, -34]) rotate([180, 0, 0]) daylight_spool_insert();
}
module projector_arm () {
difference () {
union () {
cube([ARM_LENGTH, ARM_WIDTH, ARM_HEIGHT], center = true);
translate([(ARM_CUTOFF/2) - 2.1, 0, 0]) scale([2, 1, 1]) rotate([0, 0, 45]) cube([30, 30, ARM_HEIGHT], center = true);
}
translate([ARM_CUTOFF, 0, 0]) cube([ARM_LENGTH, 52, ARM_HEIGHT + 1], center = true);
}
translate([-ARM_REINFORCEMENT_OFFSET_X / 2, 0, -ARM_REINFORCEMENT_Z / 2]) difference() {
cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X, ARM_REINFORCEMENT_Y, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
translate([0, 0, -ARM_HEIGHT - ARM_REINFORCEMENT_Z + 2]) rotate([0, -5, 0]) cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X + 20, ARM_REINFORCEMENT_Y + 1, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
}
}
module filter_holder () {
difference () {
cube([FILTER_X, 13.25, 50.5], center = true);
//center void
cube([42.4, 13.25 + 1, 50.5 + 1], center = true);
translate([0, (13.25/2) - (3.25/2) - 1, 0]) cube([FILTER_VOID_X, 3.25, 50.5 + 1], center = true);
translate([0, (13.25/2) - (3.25/2) - 1 - 3.25 - 1, 0]) cube([FILTER_VOID_X, 3.25, 50.5 + 1], center = true);
}
}
module filter_reinforcement () {
Z = 19.5 + 7.83-5.75;
X = AX;
difference () {
cube([X, 15.5, Z], center = true);
cube([FILTER_X - 0.1, 15.5 + 1, Z + 1], center = true);
translate([X - 19.5, -9, 0]) cube([X, 15.5, Z + 1], center = true);
translate([-X + 19.5, -9, 0]) cube([X, 15.5, Z + 1], center = true);
}
}
module roller_bolts () {
translate([ROLLER_SPACING/2, 2, 0]) {
cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
}
translate([-ROLLER_SPACING/2, 2, 0]) {
cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
}
}
module jk_takeup () {
difference () {
union () {
block();
translate([0, 0, -27.5]) filter_holder();
translate([0, -1.1, -16+(5.75/2)]) filter_reinforcement();
}
roller_bolts();
}
translate([0, 0, 1.8]) {
translate([-30, 0, 0]) rotate([0, 0, ARMS_ANGLE]) {
translate([-ARM_LENGTH/2, 0, 2.75]) rotate([0, 0, 180]) projector_arm();
translate([-ARM_LENGTH, 0, 5.5]) rotate([0, 0, 180]) projector_mount();
}
translate([30, 0, 0]) rotate([0, 0, -ARMS_ANGLE]) {
translate([ARM_LENGTH/2, 0, 2.75]) projector_arm();
translate([ARM_LENGTH, 0, 5.5]) projector_mount();
}
}
}
module jk_takeup_halves (HALF = "A") {
difference () {
jk_takeup();
translate([0, 7, 0]) cylinder(r = R(M5), h = 40, center = true, $fn = 60);
translate([0, -7, 0]) cylinder(r = R(M5), h = 40, center = true, $fn = 60);
if (HALF == "A") {
translate([(ARM_LENGTH) + 10, 0, 0]) cube([ARM_LENGTH * 2, ARM_LENGTH * 2, ARM_LENGTH], center = true);
translate([0, 0, 10 + 2]) cube([20, BY + 1, 20], center = true);
} else if (HALF == "B") {
translate([-(ARM_LENGTH) - 10, 0, 0]) cube([ARM_LENGTH * 2, ARM_LENGTH * 2, ARM_LENGTH], center = true);
translate([0, 0, -10 + 2]) cube([20, BY + 1, 20], center = true);
}
}
}
module idle_roller () {
D1 = 16;
D3 = 90;
FN = 60;
difference () {
union() {
difference () {
cylinder(r = R(D1), h = 20.2, center = true, $fn = FN);
cylinder(r = R(D1)+1, h = 17, center = true, $fn = FN);
}
translate([0, 0, 0]) {
difference() {
cylinder(r = R(14), h = 17.1, center = true, $fn = FN);
for (i = [0 : FN - 1]) {
rotate([0, 0, (360 / FN) * i ]) {
translate([(D3/2)+6.1, 0, 0]) rotate([90, 0, 0]) cylinder(r = R(D3), h = 2, center = true, $fn = 200);
}
}
}
}
}
cylinder(r = R(4.25), h = 20.2 + 1, center = true, $fn = 30);
translate([0, 0, (20.2 / 2) - (5 / 2)]) cylinder(r = R(10), h = 5.1, center = true, $fn = FN);
}
}
module idle_roller_cap () {
difference () {
cylinder(r = R(10-0.3), h = 5, center = true, $fn = 60);
cylinder(r = R(4.25), h = 20.2 + 1, center = true, $fn = 30);
translate([0, 0, 1.01]) m4_nut();
}
}
//translate([0, 0, 40]) color("red") original_takeup();
//jk_takeup();
//jk_takeup_halves();
//color("blue") jk_takeup_halves("B");
//m5_nut();
idle_roller();
//translate([0, 0, (20.2 / 2) - (5 / 2)]) idle_roller_cap();