takeup/examples/JK_projector_takeup.scad

153 lines
4.7 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);
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 () {
cube([BX, BY, BZ], center = true);
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 / 2, h = BZ + 1, center = true, $fn = 50);
translate([0, 0, 3]) m5_nut();
}
translate([-BOLTSX / 2, 0, 0]) {
cylinder(r = 4 / 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;
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 () {
}
module jk_takeup () {
difference () {
union () {
block();
translate([0, 0, -27.5]) filter_holder();
translate([0, -1.1, -16]) 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);
}
}
}
//translate([0, 0, 40]) color("red") original_takeup();
jk_takeup();
//jk_takeup_halves();
//color("blue") jk_takeup_halves("B");
//m5_nut();