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Steenbeck notch detector work

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mmcw-dev 2018-11-03 03:19:23 -04:00
parent 2580830863
commit 4ac70260c1
1 changed files with 91 additions and 0 deletions
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models/steenbeck_notch_detector/steenbeck_notch_detector.scad Normal file
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IN = 25.4;
module hex (r = 1, h = 1, center = false) {
cylinder(r = r, h = h, center = center, $fn = 6);
}
module rounded_cube (cube_arr = [1, 1, 1], d = 0, center = false) {
off_x = 0;
off_y = 0;
r = d/2;
union () {
cube([cube_arr[0] - d, cube_arr[1], cube_arr[2]], center = center);
cube([cube_arr[0], cube_arr[1] - d, cube_arr[2]], center = center);
translate ([1 * (cube_arr[0] / 2) - r , 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([-1 * (cube_arr[0] / 2) + r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([1 * (cube_arr[0] / 2) - r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([-1 * (cube_arr[0] / 2) + r, 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
}
}
module microswitch (position = [0, 0, 0], rotation = [0, 0, 0]) {
translate(position) {
rotate(rotation) {
difference () {
rounded_cube([16, 28, 9.5], d = 4, center = true, $fn = 40);
//bolt voids
translate([-5, 22.5 / 2, 0]) cylinder(r = 3/ 2, h = 10, center = true, $fn = 50);
translate([5, -22.5 / 2, 0]) cylinder(r = 3/ 2, h = 10, center = true, $fn = 50);
}
translate([10, 8, 0]) rotate([0, 0, -7]) cube([1, 28, 4], center = true);
translate([8 + 7, 14 + 8, 0]) cylinder(r = 2.5, h = 4, center = true);
translate([0, -19, 0]) cube([6, 11, 9.5], center = true);
//bolts
translate([-5, 22.5 / 2, 0]) cylinder(r = 3/ 2, h = 40, center = true, $fn = 50);
translate([5, -22.5 / 2, 0]) cylinder(r = 3/ 2, h = 40, center = true, $fn = 50);
}
}
}
module perf () {
W = 0.072 * IN;
L = 0.05 * IN;
translate([(10.26 / 2) + (W / 2), 0, 0]) rounded_cube([W, L, 10], d = 0.2, center = true);
}
module frame () {
W = 10.26;
L = 7.49;
cube([W, L, 10], center = true);
}
module film_16mm (LEN = 100) {
C = ((12 * IN) / 40);
THICK = 0.0047 * IN;
FRAMES = ceil(100 / C);
echo(FRAMES);
difference () {
cube([16, LEN, THICK], center = true);
for (i = [0 : FRAMES]) {
translate([0, (C * i) - (LEN / 2), 0]) frame();
translate([0, (C * i) - (LEN / 2) + (C / 2)]) perf();
}
}
}
module steenbeck_notch_detector () {
difference () {
union () {
cube([18, 40, 40], center = true);
translate([0, 0, -20 + 3]) rounded_cube([40, 40, 6], d = 6, center = true, $fn = 60);
}
translate([0, 0, -20 + 8.99]) {
difference() {
cube([8, 50 + 1, 18], center = true);
//angled top
translate([4, 0, 9]) rotate([0, 45, 0]) cube([6, 40 + 1, 6], center = true);
translate([-4, 0, 9]) rotate([0, 45, 0]) cube([6, 40 + 1, 6], center = true);
}
}
//void for microswitch
translate([0, 0, 11]) cube([9.75, 40 + 1, 20], center = true);
//void for arm
translate([0, -10.01, -2]) cube([5, 20, 10], center = true);
}
}
rotate([0, -90, 0]) film_16mm();
microswitch([0, 0, 25], [0, 90, 180]);
translate([0, 0, 20 - 8]) color("blue") steenbeck_notch_detector();