5 main_dia = 71.2 + 0.50 - 2.26;
7 top_thick_by_oring = 3.0;
14 rivet_posn = 6.0 + 0.5;
16 rivet_width = 4.15 + 1.0;
17 rivet_tall = 5.51 + 1.49;
19 over_rivet_wall = 1.0;
24 bayo_interf_width = 2.0;
25 bayo_interf_slope = 0.75;
30 oring_upper_embed_angle = 80;
31 oring_compress = 0.1; // proportion
41 bayo_entry = bayo_behind/3;
43 bayo_slice_size = coarse ? 5 : 1;
45 brace_hole_width = 1.0;
46 brace_above_below = 1.2;
47 brace_end_shorter = 0.3;
56 bayo_entry_x = bayo_entry;
57 bayo_entry_z = bayo_entry;
58 bayo_inramp_x = bayo_entry;
59 bayo_inramp_z = bayo_entry;
61 oring_mid_dia = oring_bore + oring_thick;
62 oring_outer_dia = oring_mid_dia + oring_thick;
64 oring_oblate = (1 - oring_compress);
66 oring_y_rad = oring_thick/2 * oring_oblate;
67 oring_x_rad = oring_thick/2 / oring_oblate;
69 by_oring_z = oring_y_rad * (1 + cos(oring_upper_embed_angle));
71 side_height = rivet_posn + bayo_behind + rivet_thick/2;
72 side_thick = rivet_tall + over_rivet_wall;
74 top_z = top_thick_by_oring + oring_y_rad + by_oring_z;
76 middle_bot_z = top_z - top_thick_middle;
78 bayo_entry = bayo_behind / 3.0;
79 bayo_top_z = bayo_behind + rivet_thick + bayo_above_gap;
80 bayo_entry_ramp = bayo_entry + bayo_interf;
82 rivet_entry_width = rivet_width + side_rivet_gap;
84 jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
86 handling_dia = oring_bore + oring_thick*2 + min_wall*2;
89 $fs= coarse ? 2.5 : 0.5;
94 bayo_a = [ bayo_entry_x, 0 ];
95 bayo_p = [ 0, bayo_entry_z ];
96 bayo_n = [ 0, bayo_behind-bayo_inramp_z ];
97 bayo_m = [ bayo_inramp_x, bayo_behind ];
98 bayo_l = bayo_m + bayo_interf * [ 1/bayo_interf_slope, 1 ];
99 bayo_k = bayo_l + [ bayo_interf_width, 0 ];
100 bayo_j = bayo_k + bayo_interf * [ 1/bayo_interf_slope, -1 ];
101 bayo_i = bayo_j + [ rivet_width, 0 ];
102 bayo_h = [ bayo_i[0], bayo_behind + rivet_thick
103 + bayo_above_gap + bayo_interf ];
104 bayo_g = [ bayo_m[0] - rivet_width, bayo_h[1] ];
106 bayo_e = [-bayo_p[0], bayo_p[1]] - [rivet_entry_width,0];
107 bayo_d = [-bayo_a[0], bayo_a[1]] - [rivet_entry_width,0];
108 bayo_c = bayo_d + [0,-5];
109 bayo_b = bayo_a + [0,-5];
111 bayo_f = [ bayo_e[0], bayo_g[1] + (bayo_e[0] - bayo_g[0]) ];
113 bayo_polygon = [ bayo_a,
131 module MainProfile(){
132 main_cnr_pos = [ side_thick, top_z ] - [1,1]*main_cnr;
135 translate(main_cnr_pos){
138 circle(r = main_cnr);
139 circle(r = main_cnr * 0.5);
144 polygon([[ -top_middle_dr, middle_bot_z ],
145 [ -top_middle_dr, top_z ],
146 [ main_cnr_pos[0], top_z ],
147 [ side_thick, main_cnr_pos[1] ],
148 [ side_thick, -side_height ],
149 [ side_taper, -side_height ],
152 [ -oring_x_rad, by_oring_z ],
156 translate([ oring_mid_dia/2 - main_dia/2, 0 ])
158 translate([ 0, oring_y_rad ])
159 scale([ 1/oring_oblate, oring_oblate ])
160 circle(oring_thick/2);
161 translate([ 0, oring_y_rad*2 - oring_thick/2 ])
162 circle(oring_thick/2);
167 module HandlingProfile(){
171 module RotateProjectSlice(offset, slice_size, nom_rad, real_rad){
172 // nom_rad > real_rad
173 rotate([0,0, atan2(offset, nom_rad) ]){
175 translate([-offset, -10, 0])
177 linear_extrude(height= nom_rad*2)
179 translate([0,0, -25])
180 cylinder(h=50, r= real_rad);
181 translate([0,0, -25])
182 linear_extrude(height= 50)
184 [ -slice_size, -real_rad*2 ],
185 [ +slice_size, -real_rad*2 ] ]);
190 module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
191 offs = [ for (i=[ x_min :
193 x_max + slice_size ]) i ];
196 RotateProjectSlice(off, slice_size, nom_rad, real_rad)
200 module BayonetCutout(){
201 RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
202 main_dia/2 + side_thick,
203 main_dia/2 + rivet_tall)
204 translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
205 polygon(bayo_polygon, convexity=10);
208 module ProfilesDemo(){ ////toplevel
209 translate([-10,0]) MainProfile();
210 translate([+10, -side_height]) polygon(bayo_polygon, convexity=10);
213 module LimitForHandling(){ ////toplevel
214 hull() for (r=[0,180])
218 rotate([0,0, rs * handling_angle/2]) {
219 translate([rs * xd * main_dia/2 * tan(handling_angle/2),
220 main_dia/2 + side_thick - main_cnr,
223 cylinder(r= main_cnr, h=50);
230 hull() rotate_extrude(){
231 translate([ handling_dia/2 - main_cnr, top_z - main_cnr ]) {
232 circle(r = main_cnr);
233 mirror([0,1]) square([ main_cnr, 50 ]);
236 //cylinder(r= handling_dia/2, h=20);
239 module Cover(){ ////toplevel
240 render() difference(){
243 rotate_extrude(convexity=10)
244 translate([main_dia/2, 0])
246 translate([0,0, middle_bot_z])
247 cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
253 translate([0,0, -side_height])
255 rotate([0,0, r + asin((-oring_rm_beside) / (main_dia/2))])
257 oring_mid_dia/2 + oring_thick/4 * oring_rm_scale,
259 rotate([-oring_rm_angle, 0, 0])
261 cylinder(r = oring_thick/4 * oring_rm_scale, h=20);
263 for (r=[0 : 60 : 179]) {
265 height = top_thick_middle - brace_above_below*2;
266 translate([0,0, middle_bot_z + brace_above_below + height/2 ])
267 cube(center=true, [ oring_bore - brace_end_shorter,
268 brace_hole_width, height ]);
275 translate([0,0, -10])
276 cylinder(r= main_dia/2 - jig_rim, h=20);
279 module Jig(){ ////toplevel
282 translate([0,0, -side_height]){
283 cylinder(r= main_dia/2 + jig_thick, h= side_height + jig_thick);
285 translate([-jig_mark_rad, 0, jig_thick - jig_mark])
286 cube([jig_mark_rad*2, jig_mark, jig_mark]);
288 translate([0,0, -side_height-1])
289 cylinder(r= main_dia/2, h= side_height + 1);
291 translate([0,0, -rivet_posn])
293 translate([0,0, -100])
294 cylinder(r= jig_hole_dia/2, h = 200);
298 module CoverTest2(){ ////toplevel
305 module CoverTest1(){ ////toplevel
308 for (r= [ 40, 147 ]){
310 translate([0,0, -10]) {
311 cube([ main_dia*3, main_dia * .55, 18], center=true);