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Extract holodisk frame

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Dejvino 2020-12-25 00:02:51 +01:00
parent 6908a1441e
commit 700dc62f38
4 changed files with 310 additions and 261 deletions
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294
holodisk.scad
View File

@ -11,265 +11,40 @@ use <tape_spool.scad>
disk_size = get_holodisk_size();
holodisk_size = get_holodisk_size();
wall=3;
plate=3;
top_rim=2;
bolt_headtype="hex";
front_body_depth=12;
front_body_bolt_offset=8;
back_bumpers_radius=5;
back_bumpers_bolt_size=3;
tape_height=5;
tape_thickness=0.2;
spool_tape_tolerance=1;
spool_inner_height=tape_height+spool_tape_tolerance;
spool_inner_radius=4;
spool_outer_radius=18;
spool_plate_height=2;
spool_plate_holes=3;
spool_plate_hole_angle=360/spool_plate_holes * 0.5;
spool_plate_hole_inner_rim=1;
spool_plate_hole_outer_rim=4;
spool_slit_depth=0.8;
spool1_depth=disk_size.y*0.77;
spool2_depth=disk_size.y*0.40;
spool3_depth=(spool1_depth+spool2_depth)/2;
spool4_depth=disk_size.y*0.16;
main_spools_x=disk_size.x*0.45;
aux_spools_right_x=main_spools_x + spool_outer_radius + 1;
aux_spools_left_x=main_spools_x - 13;
middle_spool_in_r=2;
middle_spool_out_r=7;
aux_spool_plate_hole_inner_rim=2;
aux_spool_plate_hole_outer_rim=2;
spindle_diam=2;
spindle_diam_tolerance=0.2;
tape_z=plate+spool_plate_height;
module frame(size) {
use <holodisk_frame.scad>
module holodisk_mechanism() {
size=get_holodisk_size();
width=size.x;
depth=size.y;
height=size.z;
tr=top_rim;
tc=tr*1.5;
fbd=front_body_depth;
bbr=back_bumpers_radius;
walls_height=height-plate*2;
module back_bumpers() {
module bumper() { back_half() circle(r=bbr); }
back(depth) {
right(bbr) bumper();
right(width-bbr) bumper();
}
}
module bolt() { metric_bolt(size=back_bumpers_bolt_size, headtype=bolt_headtype, l=height, pitch=0); }
module nut() { metric_nut(size=back_bumpers_bolt_size, pitch=0); }
module back_bolts() {
back(depth) {
right(bbr) {
up(height) bolt();
nut();
}
right(width-bbr) {
up(height) bolt();
nut();
}
}
}
module front_bolts() {
bolt_offset=front_body_bolt_offset;
back(front_body_depth/2) {
right(bolt_offset) {
up(height) bolt();
nut();
}
right(width-bolt_offset) {
up(height) bolt();
nut();
}
}
}
module top_cover() {
up(height-plate) linear_extrude(height=plate) {
back_bumpers();
polygon(points=[
// frame
[0, 0], [0, depth],
[width, depth], [width, 0],
// window
[tr, tr+fbd], [tr, depth-tr-tc], [tr+tc, depth-tr],
[width-tr-tc, depth-tr], [width-tr, depth-tr-tc], [width-tr, tr+fbd]
],
paths=[
[0,1,2,3], [4,5,6,7,8,9]
]);
}
}
module walls() {
difference() {
up(plate) linear_extrude(height=walls_height) {
//back_bumpers();
shell2d(thickness=-wall) {
square([width, depth]);
}
}
translate(get_holodisk_laserwindow_pos_center()) cube(get_holodisk_laserwindow_size(), center=true);
}
}
module front_plates() {
th = get_holodisk_front_plate_thickness();
slide_pos = get_holodisk_slide_pos();
offset=4.5;
plate_len_side=slide_pos.y - offset/2;
plate_len_left=plate_len_side/2;
plate_len_right=plate_len_side + 5;
// front
fwd(th) left(th) up(offset) {
cube([plate_len_left + th*2, th, height - offset*2]);
}
fwd(th) right(width-plate_len_right-th) up(offset) {
cube([plate_len_right + th*2, th, height - offset*2]);
}
// left
fwd(th) left(th) up(offset) {
cube([th, plate_len_side, height - offset*2]);
}
// right
fwd(th) right(width) up(offset) {
cube([th, plate_len_side, height - offset*2]);
}
}
module slides() {
slide_size = get_holodisk_slide_size();
slide_pos = get_holodisk_slide_pos();
slide_plate_size = [0.1, slide_size.y, slide_size.z];
sliding_size = get_holodisk_slide_sliding_size();
sliding_pos = get_holodisk_slide_sliding_pos();
module slide() {
hull() {
translate(sliding_pos) cube(sliding_size);
translate(slide_pos) cube(slide_plate_size);
}
}
module slider() {
slider_size = get_holodisk_slide_slider_size();
slider_pos = get_holodisk_slide_slider_pos();
slider_plate_size = [0.1, slider_size.y, slider_size.z];
slider_top_size = [slider_size.x, slider_size.y, sliding_size.z];
hull() {
up((slider_size.z-sliding_size.z)/2) translate(slider_pos) cube(slider_top_size);
translate(slider_pos) cube(slider_plate_size);
}
}
right(get_holodisk_size().x) {
slide();
slider();
}
scale([-1,1,1]) {
slide();
slider();
}
right(get_holodisk_laserwindow_pos_center().x) zrot(-90) {
scale([1, 0.7, 1]) {
slider();
}
}
}
module laserwindow_door() {
door_size = [
get_holodisk_laserwindow_size().x,
1,
get_holodisk_laserwindow_size().z
];
door_pos = [
get_holodisk_laserwindow_pos_center().x,
get_holodisk_laserwindow_pos_center().y + door_size.y/2,
get_holodisk_laserwindow_pos_center().z
];
translate(door_pos) scale(0.98) down(door_size.z/2) xrot(anim(1,2)*-90) xrot(anim(6,7)*90) up(door_size.z/2) cube(door_size, center=true);
}
module bottom_cover() {
difference() {
linear_extrude(height=plate) {
back_bumpers();
square([width, depth]);
}
down(0.1) translate(get_holodisk_laser_cutout_pos()) cube(get_holodisk_laser_cutout_size());
}
}
{
overlap=1;
rails_size = [
get_holodisk_laserwindow_size().x * 2 + overlap*2,
1,
walls_height
];
rail_size = [rails_size.x, rails_size.y, 2];
rails_pos = [get_holodisk_laserwindow_pos().x - rails_size.x/2,
-rails_size.y, plate];
rail1_pos = [rails_pos.x, rails_pos.y, rails_pos.z];
rail2_pos = [rails_pos.x, rails_pos.y, rails_pos.z + rails_size.z - rail_size.z];
module laserwindow_slider_rails() {
translate(rail1_pos) cube(rail_size);
translate(rail2_pos) cube(rail_size);
}
module laserwindow_slider_cover() {
cover_size=[
get_holodisk_laserwindow_size().x,
get_holodisk_slide_slider_size().x,
get_holodisk_slide_slider_size().z
];
cover_plate=[cover_size.x, rail_size.y, cover_size.z];
cover_top=[cover_size.x - overlap, cover_size.y, cover_size.z - overlap];
/*cover_pos=[rails_pos.x+overlap, rails_pos.y + rails_size.y, rails_pos.z];*/
cover_pos=[get_holodisk_laserwindow_pos().x, rails_pos.y + rails_size.y, rails_pos.z];
left(anim(0,1)*get_holodisk_laserwindow_size().x)
right(anim(len(get_anim_keys())-2,len(get_anim_keys())-1)*get_holodisk_laserwindow_size().x)
translate(cover_pos)
hull() {
fwd(cover_plate.y) cube(cover_plate);
right(overlap/2) fwd(cover_top.y) up((cover_plate.z-cover_top.z)/2) cube(cover_top);
}
}
color("red") laserwindow_slider_rails();
color("red") laserwindow_slider_cover();
}
color("SaddleBrown") top_cover();
color("grey") walls();
color("gold") laserwindow_door();
color("Silver") slides();
color("SaddleBrown") bottom_cover();
color("SaddleBrown") front_plates();
//color("silver") back_bolts();
//color("silver") front_bolts();
}
module mechanism(size) {
width=size.x;
depth=size.y;
height=size.z;
plate=get_holodisk_bottom_thickness();
tape_height=get_holodisk_tape_height();
tape_thickness=get_holodisk_tape_thickness();
spool_tape_tolerance=1;
spool_inner_height=tape_height+spool_tape_tolerance;
spool_inner_radius=4;
spool_outer_radius=18;
spool_plate_height=2;
spool_plate_holes=3;
spool_plate_hole_inner_rim=1;
spool_plate_hole_outer_rim=4;
spool1_depth=disk_size.y*0.77;
spool2_depth=disk_size.y*0.40;
spool3_depth=(spool1_depth+spool2_depth)/2;
spool4_depth=disk_size.y*0.16;
main_spools_x=disk_size.x*0.45;
aux_spools_right_x=main_spools_x + spool_outer_radius + 1;
aux_spools_left_x=main_spools_x - 13;
middle_spool_in_r=2;
middle_spool_out_r=7;
aux_spool_plate_hole_inner_rim=2;
aux_spool_plate_hole_outer_rim=2;
spindle_diam=2;
spindle_diam_tolerance=0.2;
tape_z=plate+spool_plate_height;
module main_spool() {
spool(r_in=spool_inner_radius,
@ -327,12 +102,13 @@ module mechanism(size) {
tapes();
}
module holodisk(size) {
frame(size);
mechanism(size);
module holodisk() {
holodisk_frame();
holodisk_mechanism();
}
retraction=holodisk_size.y+10;
// test
retraction=get_holodisk_size().y+10;
back((1-anim(1, 2)) * retraction) // anim insert
back((anim(len(get_anim_keys())-2, len(get_anim_keys())-1)) * retraction) // anim remove
holodisk(holodisk_size);
holodisk();

268
holodisk_frame.scad Normal file
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@ -0,0 +1,268 @@
// dependency: https://github.com/revarbat/BOSL
use <BOSL/transforms.scad>
//use <BOSL/metric_screws.scad>
use <BOSL/masks.scad>
use <holodisk_spec.scad>
use <anim.scad>
module holodisk_frame() {
size = get_holodisk_size();
disk_size = get_holodisk_size();
holodisk_size = get_holodisk_size();
width=size.x;
depth=size.y;
height=size.z;
wall=3;
plate=3;
top_rim=2;
bolt_headtype="hex";
front_body_depth=12;
front_body_bolt_offset=8;
back_bumpers_radius=5;
back_bumpers_bolt_size=3;
tape_height=5;
tape_thickness=0.2;
spool_tape_tolerance=1;
spool_inner_height=tape_height+spool_tape_tolerance;
spool_inner_radius=4;
spool_outer_radius=18;
spool_plate_height=2;
spool_plate_holes=3;
spool_plate_hole_angle=360/spool_plate_holes * 0.5;
spool_plate_hole_inner_rim=1;
spool_plate_hole_outer_rim=4;
spool_slit_depth=0.8;
spool1_depth=disk_size.y*0.77;
spool2_depth=disk_size.y*0.40;
spool3_depth=(spool1_depth+spool2_depth)/2;
spool4_depth=disk_size.y*0.16;
main_spools_x=disk_size.x*0.45;
aux_spools_right_x=main_spools_x + spool_outer_radius + 1;
aux_spools_left_x=main_spools_x - 13;
middle_spool_in_r=2;
middle_spool_out_r=7;
aux_spool_plate_hole_inner_rim=2;
aux_spool_plate_hole_outer_rim=2;
spindle_diam=2;
spindle_diam_tolerance=0.2;
tape_z=plate+spool_plate_height;
tr=top_rim;
tc=tr*1.5;
fbd=front_body_depth;
bbr=back_bumpers_radius;
walls_height=height-plate*2;
module back_bumpers() {
module bumper() { back_half() circle(r=bbr); }
back(depth) {
right(bbr) bumper();
right(width-bbr) bumper();
}
}
module bolt() { metric_bolt(size=back_bumpers_bolt_size, headtype=bolt_headtype, l=height, pitch=0); }
module nut() { metric_nut(size=back_bumpers_bolt_size, pitch=0); }
module back_bolts() {
back(depth) {
right(bbr) {
up(height) bolt();
nut();
}
right(width-bbr) {
up(height) bolt();
nut();
}
}
}
module front_bolts() {
bolt_offset=front_body_bolt_offset;
back(front_body_depth/2) {
right(bolt_offset) {
up(height) bolt();
nut();
}
right(width-bolt_offset) {
up(height) bolt();
nut();
}
}
}
module top_cover() {
up(height-plate) linear_extrude(height=plate) {
back_bumpers();
polygon(points=[
// frame
[0, 0], [0, depth],
[width, depth], [width, 0],
// window
[tr, tr+fbd], [tr, depth-tr-tc], [tr+tc, depth-tr],
[width-tr-tc, depth-tr], [width-tr, depth-tr-tc], [width-tr, tr+fbd]
],
paths=[
[0,1,2,3], [4,5,6,7,8,9]
]);
}
}
module walls() {
difference() {
up(plate) linear_extrude(height=walls_height) {
//back_bumpers();
shell2d(thickness=-wall) {
square([width, depth]);
}
}
translate(get_holodisk_laserwindow_pos_center()) cube(get_holodisk_laserwindow_size(), center=true);
}
}
module front_plates() {
th = get_holodisk_front_plate_thickness();
slide_pos = get_holodisk_slide_pos();
offset=4.5;
plate_len_side=slide_pos.y - offset/2;
plate_len_left=plate_len_side/2;
plate_len_right=plate_len_side + 5;
// front
fwd(th) left(th) up(offset) {
cube([plate_len_left + th*2, th, height - offset*2]);
}
fwd(th) right(width-plate_len_right-th) up(offset) {
cube([plate_len_right + th*2, th, height - offset*2]);
}
// left
fwd(th) left(th) up(offset) {
cube([th, plate_len_side, height - offset*2]);
}
// right
fwd(th) right(width) up(offset) {
cube([th, plate_len_side, height - offset*2]);
}
}
module slides() {
slide_size = get_holodisk_slide_size();
slide_pos = get_holodisk_slide_pos();
slide_plate_size = [0.1, slide_size.y, slide_size.z];
sliding_size = get_holodisk_slide_sliding_size();
sliding_pos = get_holodisk_slide_sliding_pos();
module slide() {
hull() {
translate(sliding_pos) cube(sliding_size);
translate(slide_pos) cube(slide_plate_size);
}
}
module slider() {
slider_size = get_holodisk_slide_slider_size();
slider_pos = get_holodisk_slide_slider_pos();
slider_plate_size = [0.1, slider_size.y, slider_size.z];
slider_top_size = [slider_size.x, slider_size.y, sliding_size.z];
hull() {
up((slider_size.z-sliding_size.z)/2) translate(slider_pos) cube(slider_top_size);
translate(slider_pos) cube(slider_plate_size);
}
}
right(get_holodisk_size().x) {
slide();
slider();
}
scale([-1,1,1]) {
slide();
slider();
}
right(get_holodisk_laserwindow_pos_center().x) zrot(-90) {
scale([1, 0.7, 1]) {
slider();
}
}
}
module laserwindow_door() {
door_size = [
get_holodisk_laserwindow_size().x,
1,
get_holodisk_laserwindow_size().z
];
door_pos = [
get_holodisk_laserwindow_pos_center().x,
get_holodisk_laserwindow_pos_center().y + door_size.y/2,
get_holodisk_laserwindow_pos_center().z
];
translate(door_pos) scale(0.98) down(door_size.z/2) xrot(anim(1,2)*-90) xrot(anim(6,7)*90) up(door_size.z/2) cube(door_size, center=true);
}
module bottom_cover() {
difference() {
linear_extrude(height=plate) {
back_bumpers();
square([width, depth]);
}
down(0.1) translate(get_holodisk_laser_cutout_pos()) cube(get_holodisk_laser_cutout_size());
}
}
{
overlap=1;
rails_size = [
get_holodisk_laserwindow_size().x * 2 + overlap*2,
1,
walls_height
];
rail_size = [rails_size.x, rails_size.y, 2];
rails_pos = [get_holodisk_laserwindow_pos().x - rails_size.x/2,
-rails_size.y, plate];
rail1_pos = [rails_pos.x, rails_pos.y, rails_pos.z];
rail2_pos = [rails_pos.x, rails_pos.y, rails_pos.z + rails_size.z - rail_size.z];
module laserwindow_slider_rails() {
translate(rail1_pos) cube(rail_size);
translate(rail2_pos) cube(rail_size);
}
module laserwindow_slider_cover() {
cover_size=[
get_holodisk_laserwindow_size().x,
get_holodisk_slide_slider_size().x,
get_holodisk_slide_slider_size().z
];
cover_plate=[cover_size.x, rail_size.y, cover_size.z];
cover_top=[cover_size.x - overlap, cover_size.y, cover_size.z - overlap];
/*cover_pos=[rails_pos.x+overlap, rails_pos.y + rails_size.y, rails_pos.z];*/
cover_pos=[get_holodisk_laserwindow_pos().x, rails_pos.y + rails_size.y, rails_pos.z];
left(anim(0,1)*get_holodisk_laserwindow_size().x)
right(anim(len(get_anim_keys())-2,len(get_anim_keys())-1)*get_holodisk_laserwindow_size().x)
translate(cover_pos)
hull() {
fwd(cover_plate.y) cube(cover_plate);
right(overlap/2) fwd(cover_top.y) up((cover_plate.z-cover_top.z)/2) cube(cover_top);
}
}
color("red") laserwindow_slider_rails();
color("red") laserwindow_slider_cover();
}
color("SaddleBrown") top_cover();
color("grey") walls();
color("gold") laserwindow_door();
color("Silver") slides();
color("SaddleBrown") bottom_cover();
color("SaddleBrown") front_plates();
//color("silver") back_bolts();
//color("silver") front_bolts();
}
// test
holodisk_frame();

3
holodisk_spec.scad
View File

@ -7,11 +7,14 @@
function get_holodisk_size() = [55, 100, 16];
function get_holodisk_bottom_thickness() = 3;
function get_holodisk_front_plate_thickness() = 1;
// -- tape --
function get_holodisk_tape_height() = 5;
function get_holodisk_tape_thickness() = 0.2;
// -- slide --

6
tape.scad
View File

@ -1,7 +1,9 @@
// dependency: https://github.com/revarbat/BOSL
use <BOSL/transforms.scad>
module tape(start, end, height = tape_height, thickness = tape_thickness) {
use <holodisk_spec.scad>
module tape(start, end, height = get_holodisk_tape_height(), thickness = get_holodisk_tape_thickness()) {
color("RosyBrown")
up(thickness) hull() {
translate(start) sphere(thickness);
@ -13,7 +15,7 @@ module tape(start, end, height = tape_height, thickness = tape_thickness) {
}
}
module tape_spool(r_in, r_out, height = tape_height, thickness = tape_thickness) {
module tape_spool(r_in, r_out, height = get_holodisk_tape_height(), thickness = get_holodisk_tape_thickness()) {
color("RosyBrown")
up(thickness) minkowski() {
difference() {