5 main_dia = 71.2 + 0.50 - 2.26;
7 top_thick_by_oring = 3.0;
14 rivet_posn = 6.0 + 0.30;
16 rivet_width = 4.15 + 1.0;
17 rivet_tall = 5.51 + 1.49;
19 over_rivet_wall = 1.0;
21 inside_rivet_gap = 1.5;
25 bayo_interf_width = 2.0;
26 bayo_interf_slope = 0.5;
31 oring_upper_embed_angle = 80;
32 oring_compress = 0.1; // proportion
33 oring_compress_more = 0.2;
43 bayo_entry = bayo_behind/3;
45 bayo_slice_size = coarse ? 5 : 1;
47 brace_hole_width = 1.0;
48 brace_above_below = 1.2;
49 brace_end_shorter = 0.3;
57 strap_hoop_inside = 10;
58 strap_hoop_strlen = 10;
59 strap_hoop_elevation = 45;
61 sm_inner_circum = 218 - 1.90 - 1.00 - 0.50;
65 sm_bolt_dia = 3.5 + 0.1;
67 sm_bolt_head_dia = 6.94 + 1.0;
68 sm_bolt_head_thick = 2.14;
69 sm_bolt_nut_width = 5.89 + 0.25;
70 sm_bolt_nut_thick = 3.68;
71 sm_bolt_tighten_allow = 2.0;
73 sm_bolt_y_clear = 0.75;
82 bayo_entry_x = bayo_entry;
83 bayo_entry_z = bayo_entry;
84 bayo_inramp_x = bayo_entry;
85 bayo_inramp_z = bayo_entry;
87 oring_mid_dia = oring_bore + oring_thick;
88 oring_outer_dia = oring_mid_dia + oring_thick;
90 oring_oblate = (1 - oring_compress);
92 oring_y_rad = oring_thick/2 * oring_oblate;
93 oring_x_rad = oring_thick/2 / oring_oblate;
95 by_oring_z = oring_y_rad * (1 + cos(oring_upper_embed_angle));
97 side_height = rivet_posn + bayo_behind + rivet_thick/2;
98 side_thick = rivet_tall + over_rivet_wall;
100 top_z = top_thick_by_oring + oring_y_rad + by_oring_z;
102 middle_bot_z = top_z - top_thick_middle;
104 bayo_entry = bayo_behind / 3.0;
105 bayo_top_z = bayo_behind + bayo_gap;
107 rivet_entry_width = rivet_width + side_rivet_gap;
109 jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
111 handling_dia = oring_bore + oring_thick*2 + min_wall*2;
114 sm_inner_rad = (sm_inner_circum + sm_bolt_tighten_allow/2) / TAU;
115 sm_outer_rad = sm_inner_rad + sm_main_thick;
117 smc_pos = [ 0, sm_inner_rad, 0 ];
119 smc_bolt_nut_dia = sm_bolt_nut_width / cos(30);
120 smc_bolt_nut_eff_thick = sm_bolt_nut_thick + sm_bolt_tighten_allow;
122 smc_bolt_y = sm_bolt_dia/2 + sm_bolt_y_clear;
123 smc_max_y = smc_bolt_y + sm_bolt_y_over
124 + max(sm_bolt_head_dia/2, smc_bolt_nut_dia/2);
125 smc_cnr_c_x = sm_bolt_shaft/2 - sm_closure_cnr
126 + sm_bolt_head_thick/2 + smc_bolt_nut_eff_thick/2;
128 $fs= coarse ? 2.5 : 0.5;
131 include <poster-tube-lid-parametric.scad>
133 // bayonet definition
135 bayo_a = [ bayo_entry_x, 0 ];
136 bayo_p = [ 0, bayo_entry_z ];
137 bayo_n = [ 0, bayo_behind-bayo_inramp_z ];
138 bayo_m = [ bayo_inramp_x, bayo_behind ];
139 bayo_l = bayo_m + bayo_interf * [ 1/bayo_interf_slope, 1 ];
140 bayo_k = bayo_l + [ bayo_interf_width, 0 ];
141 bayo_j = bayo_k + bayo_interf * [ 1/bayo_interf_slope, -1 ];
142 bayo_i = bayo_j + [ rivet_width + inside_rivet_gap, 0 ];
143 bayo_h = [ bayo_i[0], bayo_behind + bayo_gap + bayo_interf ];
144 bayo_g = [ bayo_m[0] - rivet_width, bayo_h[1] ];
146 bayo_e = [-bayo_p[0], bayo_p[1]] - [rivet_entry_width,0];
147 bayo_d = [-bayo_a[0], bayo_a[1]] - [rivet_entry_width,0];
148 bayo_c = bayo_d + [0,-5];
149 bayo_b = bayo_a + [0,-5];
151 bayo_f = [ bayo_e[0], bayo_g[1] + (bayo_e[0] - bayo_g[0]) ];
153 bayo_polygon = [ bayo_a,
171 module MainProfile(){
172 main_cnr_pos = [ side_thick, top_z ] - [1,1]*main_cnr;
175 translate(main_cnr_pos){
178 circle(r = main_cnr);
179 circle(r = main_cnr * 0.5);
184 polygon([[ -top_middle_dr, middle_bot_z ],
185 [ -top_middle_dr, top_z ],
186 [ main_cnr_pos[0], top_z ],
187 [ side_thick, main_cnr_pos[1] ],
188 [ side_thick, -side_height ],
189 [ side_taper, -side_height ],
192 [ -oring_x_rad, by_oring_z ],
196 translate([ oring_mid_dia/2 - main_dia/2, 0 ])
198 translate([ 0, oring_y_rad ])
199 scale([ 1/oring_oblate * (oring_compress_more+1) , oring_oblate ])
200 circle(oring_thick/2);
201 translate([ 0, oring_y_rad*2 - oring_thick/2 ])
202 circle(oring_thick/2);
207 module StrapHoopProfile(){
208 circle(r = strap_hoop_thick/2);
211 module StrapHoop(){ ////toplevel
212 bigrad = strap_hoop_inside/2 + strap_hoop_thick/2;
213 extralen = strap_hoop_thick * 5;
216 rotate([strap_hoop_elevation, 0,0]){
217 for (x= [ -1, +1 ] * bigrad) {
218 translate([x, -extralen, 0])
220 linear_extrude(height= extralen + strap_hoop_strlen + 0.1,
224 translate([0, strap_hoop_strlen, 0]){
226 rotate_extrude(convexity=10)
227 translate([bigrad, 0,0])
230 cube([100,100,100], center=true);
234 translate([0, 50, 0])
235 cube(100, center=true);
239 module HandlingProfile(){
243 module RotateProjectSlice(offset, slice_size, nom_rad, real_rad){
244 // nom_rad > real_rad
245 rotate([0,0, atan2(offset, nom_rad) ]){
247 translate([-offset, -10, 0])
249 linear_extrude(height= nom_rad*2)
251 translate([0,0, -25])
252 cylinder(h=50, r= real_rad);
253 translate([0,0, -25])
254 linear_extrude(height= 50)
256 [ -slice_size, -real_rad*2 ],
257 [ +slice_size, -real_rad*2 ] ]);
262 module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
263 offs = [ for (i=[ x_min :
265 x_max + slice_size ]) i ];
268 RotateProjectSlice(off, slice_size, nom_rad, real_rad)
272 module BayonetCutout(){
273 RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
274 main_dia/2 + side_thick,
275 main_dia/2 + rivet_tall)
276 translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
277 polygon(bayo_polygon, convexity=10);
280 module ProfilesDemo(){ ////toplevel
281 translate([-10,0]) MainProfile();
282 translate([+10, -side_height]) polygon(bayo_polygon, convexity=10);
285 module LimitForHandling(){ ////toplevel
286 hull() for (r=[0,180])
290 rotate([0,0, rs * handling_angle/2]) {
291 translate([rs * xd * main_dia/2 * tan(handling_angle/2),
292 main_dia/2 + side_thick - main_cnr,
295 cylinder(r= main_cnr, h=50);
302 hull() rotate_extrude(){
303 translate([ handling_dia/2 - main_cnr, top_z - main_cnr ]) {
304 circle(r = main_cnr);
305 mirror([0,1]) square([ main_cnr, 50 ]);
308 //cylinder(r= handling_dia/2, h=20);
311 module Cover(){ ////toplevel
312 render() difference(){
315 rotate_extrude(convexity=10)
316 translate([main_dia/2, 0])
318 translate([0,0, middle_bot_z])
319 cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
325 translate([0,0, -side_height])
327 rotate([0,0, r + asin((-oring_rm_beside) / (main_dia/2))])
329 oring_mid_dia/2 + oring_thick/4 * oring_rm_scale,
331 rotate([-oring_rm_angle, 0, 0])
333 cylinder(r = oring_thick/4 * oring_rm_scale, h=20);
335 for (r=[0 : 60 : 179]) {
337 height = top_thick_middle - brace_above_below*2;
338 translate([0,0, middle_bot_z + brace_above_below + height/2 ])
339 cube(center=true, [ oring_bore - brace_end_shorter,
340 brace_hole_width, height ]);
346 translate([-implheadcup_large_dia * .5 - implheadcup_thick/2,
347 -implheadcup_large_dia * .0,
350 // translate(strap_hoop_thick * [-0.5, 0, +1])
351 // translate([handling_dia/2, 0, -side_height])
352 // rotate([0,180,0]) rotate([0,0,90])
357 translate([0,0, -10])
358 cylinder(r= main_dia/2 - jig_rim, h=20);
361 module Jig(){ ////toplevel
364 translate([0,0, -side_height]){
365 cylinder(r= main_dia/2 + jig_thick, h= side_height + jig_thick);
367 translate([-jig_mark_rad, 0, jig_thick - jig_mark])
368 cube([jig_mark_rad*2, jig_mark, jig_mark]);
370 translate([0,0, -side_height-1])
371 cylinder(r= main_dia/2, h= side_height + 1);
373 translate([0,0, -rivet_posn])
375 translate([0,0, -100])
376 cylinder(r= jig_hole_dia/2, h = 200);
380 module CoverTest2(){ ////toplevel
387 module CoverTest1(){ ////toplevel
391 for (r= [ 40, 147 ]){
393 translate([0,0, -10]) {
394 cube([ main_dia*3, main_dia * .53, 18], center=true);
398 // translate([ 50, 0, 0 ])
400 // strap_hoop_inside + strap_hoop_thick*2 + 1,
407 module ImplHeadCupTest(){ ////toplevel
414 module StrapMountBolt(l_delta){ ///toplevel
415 // positioned relative to smc_pos
416 translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
419 translate([ -sm_bolt_shaft/2-1, 0,0 ]){
420 rotate([0,90,0]) cylinder(r= sm_bolt_dia/2, h= sm_bolt_shaft+2);
422 translate([ -sm_bolt_shaft/2, 0,0 ])
424 cylinder($fn=6, r=smc_bolt_nut_dia/2,
425 h=smc_bolt_nut_eff_thick + l_delta);
426 translate([ sm_bolt_shaft/2, 0,0 ])
428 cylinder(r=sm_bolt_head_dia/2, h=sm_bolt_head_thick + l_delta);
432 module StrapMountProtrusion(half_x, max_y, cnr){
434 linear_extrude(height=sm_main_width, convexity=10){
436 for (m = [0,1]) mirror([m,0,0]) {
437 translate([-(half_x - cnr), max_y - cnr])
439 translate([-half_x, -sm_inner_rad])
447 module StrapMount(){ ////toplevel
450 cylinder(r=sm_outer_rad, h=sm_main_width);
451 StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
455 StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
459 [0,0, sm_main_width] +
460 strap_hoop_thick * [ 0, 0.5, -1.0 ])
465 cylinder(r=sm_inner_rad, h=sm_main_width+2);
469 cube([ sm_bolt_tighten_allow, 40,100 ], center=true);