Holodisk/holodisk.scad
2020-12-31 14:15:57 +01:00

115 lines
3.7 KiB
OpenSCAD
Executable File

// 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>
include <tape.scad>
use <tape_spool.scad>
disk_size = get_holodisk_size();
holodisk_size = get_holodisk_size();
use <holodisk_frame.scad>
module holodisk_mechanism() {
size=get_holodisk_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=get_holodisk_spool1_socket_pos_center().y;
spool2_depth=get_holodisk_spool2_socket_pos_center().y;
spool3_depth=(spool1_depth+spool2_depth)/2;
spool4_depth=disk_size.y*0.16;
main_spools_x=get_holodisk_spool1_socket_pos_center().x;
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=get_holodisk_spools_spindle_diam();
tape_z=plate+spool_plate_height;
module main_spool() {
spool(r_in=spool_inner_radius,
r_out=spool_outer_radius,
in_rim=spool_plate_hole_inner_rim,
out_rim=spool_plate_hole_outer_rim,
in_height=spool_inner_height,
spindle_traction=true);
}
module aux_spool() {
spool(r_in=middle_spool_in_r, r_out=middle_spool_out_r,
in_rim=aux_spool_plate_hole_inner_rim,
out_rim=aux_spool_plate_hole_outer_rim,
in_height=spool_inner_height,
spokes=4);
}
module spools() {
up(plate) {
right(main_spools_x) {
back(spool1_depth) main_spool();
back(spool2_depth) main_spool();
}
right(aux_spools_right_x) {
back(spool3_depth) aux_spool();
back(spool4_depth) aux_spool();
}
right(aux_spools_left_x) {
back(spool4_depth) aux_spool();
}
}
}
module tapes() {
spool1_tape_r = spool_outer_radius * 0.8;
spool2_tape_r = spool_outer_radius * 0.5;
up(plate + spool_plate_height) {
// main spools
right(main_spools_x) {
back(spool1_depth) tape_spool(r_in=spool_inner_radius, r_out=spool1_tape_r);
back(spool2_depth) tape_spool(r_in=spool_inner_radius, r_out=spool2_tape_r);
}
// TODO: convert to path
// main 1 --> middle
tape([main_spools_x + spool1_tape_r, spool1_depth, 0], [aux_spools_right_x + middle_spool_in_r, spool3_depth, 0]);
// --> right corner
right(aux_spools_right_x + middle_spool_in_r) tape([0, spool3_depth, 0], [0, spool4_depth, 0]);
// --> left corner
tape([aux_spools_left_x, spool4_depth - middle_spool_in_r, 0], [aux_spools_right_x, spool4_depth - middle_spool_in_r, 0]);
// --> main 2
tape([aux_spools_left_x - middle_spool_in_r, spool4_depth, 0], [main_spools_x - spool2_tape_r, spool2_depth, 0]);
}
}
spools();
tapes();
}
module holodisk() {
holodisk_frame();
holodisk_mechanism();
}
// 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();