min_wall = 3;
-rivet_posn = 6.0 + 0.6;
+rivet_posn = 6.0 + 0.30;
rivet_thick = 1.67;
rivet_width = 4.15 + 1.0;
rivet_tall = 5.51 + 1.49;
side_rivet_gap = 1.5;
inside_rivet_gap = 1.5;
-bayo_interf = 0.85;
+bayo_interf = 0.30;
bayo_behind = 3.5;
bayo_interf_width = 2.0;
bayo_interf_slope = 0.5;
oring_upper_embed_angle = 80;
oring_compress = 0.1; // proportion
+oring_compress_more = 0.2;
oring_rm_beside = 8;
oring_rm_scale = 2.0;
strap_hoop_strlen = 10;
strap_hoop_elevation = 45;
+sm_inner_circum = 218 - 1.90 - 1.00 - 0.50;
+sm_main_thick = 2.0;
+sm_main_width = 20;
+
+sm_bolt_dia = 3.5 + 0.1;
+sm_bolt_shaft = 21.9;
+sm_bolt_head_dia = 6.94 + 1.0;
+sm_bolt_head_thick = 2.14;
+sm_bolt_nut_width = 5.89 + 0.25;
+sm_bolt_nut_thick = 3.68;
+sm_bolt_tighten_allow = 2.0;
+
+sm_bolt_y_clear = 0.75;
+sm_bolt_y_over = 0.5;
+
+sm_closure_cnr = 3.0;
+
+catch_stem_h = 3;
+catch_stem_len = 50;
+catch_stem_th = 3;
+
+catch_knob_dia = 6;
+catch_knob_above_gap = 8;
+catch_pin_height = 7;
+
+catch_stem_below_gap = 1.0;
+catch_stem_beside_gap = 2.0;
+catch_pin_gap = 0.5;
+catch_hook_slope = 0.15;
+
// calculated
+TAU = PI*2;
+
bayo_entry_x = bayo_entry;
bayo_entry_z = bayo_entry;
bayo_inramp_x = bayo_entry;
bayo_entry = bayo_behind / 3.0;
bayo_top_z = bayo_behind + bayo_gap;
+bayo_nom_rad = main_dia/2 + side_thick;
+bayo_real_rad = main_dia/2 + rivet_tall;
+
rivet_entry_width = rivet_width + side_rivet_gap;
jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
handling_dia = oring_bore + oring_thick*2 + min_wall*2;
handling_angle = 45;
+sm_inner_rad = (sm_inner_circum + sm_bolt_tighten_allow/2) / TAU;
+sm_outer_rad = sm_inner_rad + sm_main_thick;
+
+smc_pos = [ 0, sm_inner_rad, 0 ];
+
+smc_bolt_nut_dia = sm_bolt_nut_width / cos(30);
+smc_bolt_nut_eff_thick = sm_bolt_nut_thick + sm_bolt_tighten_allow;
+
+smc_bolt_y = sm_bolt_dia/2 + sm_bolt_y_clear;
+smc_max_y = smc_bolt_y + sm_bolt_y_over
+ + max(sm_bolt_head_dia/2, smc_bolt_nut_dia/2);
+smc_cnr_c_x = sm_bolt_shaft/2 - sm_closure_cnr
+ + sm_bolt_head_thick/2 + smc_bolt_nut_eff_thick/2;
+
+catch_cr = catch_knob_dia/2 + catch_stem_beside_gap;
+catch_strap_width = sm_main_width;
+catch_strap_thick = sm_main_thick;
+catch_stem_end_h = catch_stem_h;
+catch_pin_width = (rivet_entry_width * sm_inner_rad / bayo_nom_rad)
+ - catch_pin_gap;
+
+echo("R ", sm_inner_rad, bayo_real_rad, bayo_nom_rad);
+
+cppy6 = -catch_strap_width/2;
+cppxC = 0.34 * sm_inner_rad * TAU;
+cppB = [ catch_pin_width/2,
+ cppy6
+ + catch_stem_below_gap
+ + catch_pin_height
+ + catch_knob_dia/2 ];
+cpp0 = [ 0,
+ cppB[1]
+ + catch_knob_dia
+ + catch_knob_above_gap ];
+cpp12 = cpp0 + [1,0] * (catch_pin_height * catch_hook_slope);
+cpp1 = cpp0 + [0,1] * catch_pin_height;
+cpp2 = cpp1 + [1,0] * catch_pin_width;
+cpp4 = cpp0 + [0,-1] * catch_stem_end_h;
+cpp3 = [ cpp2[0], cpp4[1] ];
+cpp5 = [ cpp0[0] - catch_stem_len,
+ -catch_stem_h ];
+cpp6 = [ cpp5[0], catch_cr ];
+cpp7 = cppB + [1,-1] * catch_knob_dia/2
+ + [ catch_stem_beside_gap, -catch_stem_below_gap ]
+ + [ 0, -catch_pin_height ]
+ + [-1,1] * catch_cr;
+cpp11 = cpp7 + [1,0] * catch_cr;
+cpp10 = [ cpp11[0], 0 - catch_cr ];
+cpp8 = cpp10 + [1,0] * catch_cr;
+cpp9 = cpp8 + [0,1] * catch_cr;
+cppC = [ cppxC, cpp9[1] ];
+cppA = [ -cppxC, 0 ];
+cppD = cppC + [0,-1] * catch_strap_width;
+cppE = [ cppA[0], cppD[1] ];
+
$fs= coarse ? 2.5 : 0.5;
$fa= coarse ? 5 : 1;
+include <poster-tube-lid-parametric.scad>
+
// bayonet definition
bayo_a = [ bayo_entry_x, 0 ];
translate([ oring_mid_dia/2 - main_dia/2, 0 ])
hull(){
translate([ 0, oring_y_rad ])
- scale([ 1/oring_oblate, oring_oblate ])
+ scale([ 1/oring_oblate * (oring_compress_more+1) , oring_oblate ])
circle(oring_thick/2);
translate([ 0, oring_y_rad*2 - oring_thick/2 ])
circle(oring_thick/2);
}
}
-module HandlingProfile(){
-// translate([
-}
-
module RotateProjectSlice(offset, slice_size, nom_rad, real_rad){
// nom_rad > real_rad
rotate([0,0, atan2(offset, nom_rad) ]){
module BayonetCutout(){
RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
- main_dia/2 + side_thick,
- main_dia/2 + rivet_tall)
+ bayo_nom_rad,
+ bayo_real_rad)
translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
polygon(bayo_polygon, convexity=10);
}
}
}
}
+ for (r=[0,180])
+ rotate([0,0,r])
+ translate([-implheadcup_large_dia * .5 - implheadcup_thick/2,
+ -implheadcup_large_dia * .0,
+ middle_bot_z + 0.1])
+ ImplHeadCup();
// translate(strap_hoop_thick * [-0.5, 0, +1])
// translate([handling_dia/2, 0, -side_height])
// rotate([0,180,0]) rotate([0,0,90])
}
}
+module ImplHeadCupTest(){ ////toplevel
+ for (r=[0,180])
+ rotate([0,0,r])
+ translate([-17,0,0])
+ ImplHeadCup();
+}
+
+module SomeStrap(){
+ // children(0) is to add, (1) subtract
+ difference(){
+ union(){
+ cylinder(r=sm_outer_rad, h=sm_main_width);
+ StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
+ smc_max_y,
+ sm_closure_cnr);
+ children(0);
+ }
+ translate([0,0,-1])
+ cylinder(r=sm_inner_rad, h=sm_main_width+2);
+ translate(smc_pos)
+ StrapMountBolt(10);
+ translate(smc_pos)
+ cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+ children(1);
+ }
+}
+
+module StrapMountBolt(l_delta){ ///toplevel
+ // positioned relative to smc_pos
+ translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
+ smc_bolt_y,
+ sm_main_width/2]){
+ translate([ -sm_bolt_shaft/2-1, 0,0 ]){
+ rotate([0,90,0]) cylinder(r= sm_bolt_dia/2, h= sm_bolt_shaft+2);
+ }
+ translate([ -sm_bolt_shaft/2, 0,0 ])
+ rotate([0,-90,0])
+ cylinder($fn=6, r=smc_bolt_nut_dia/2,
+ h=smc_bolt_nut_eff_thick + l_delta);
+ translate([ sm_bolt_shaft/2, 0,0 ])
+ rotate([0,90,0])
+ cylinder(r=sm_bolt_head_dia/2, h=sm_bolt_head_thick + l_delta);
+ }
+}
+
+module StrapMountProtrusion(half_x, max_y, cnr){
+ translate(smc_pos){
+ linear_extrude(height=sm_main_width, convexity=10){
+ hull(){
+ for (m = [0,1]) mirror([m,0,0]) {
+ translate([-(half_x - cnr), max_y - cnr])
+ circle(r=cnr);
+ translate([-half_x, -sm_inner_rad])
+ square([1,1]);
+ }
+ }
+ }
+ }
+}
+
+module StrapMount(){ ////toplevel
+ SomeStrap(){
+ rotate([0,0,180]){
+ StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
+ strap_hoop_thick,
+ sm_closure_cnr);
+ translate(smc_pos +
+ [0,0, sm_main_width] +
+ strap_hoop_thick * [ 0, 0.5, -1.0 ])
+ StrapHoop();
+ }
+ union(){ };
+ }
+}
+
+module CatchCoreProfile(){ ////toplevel
+ hull(){
+ translate(cppB) circle(r= catch_knob_dia/2);
+ polygon([cpp4,
+ cppB,
+ cpp3]);
+ }
+ translate(cpp8)
+ circle(catch_cr);
+ polygon([
+ cpp4,
+ cppB,
+ cpp3,
+ cpp2,
+ cpp1,
+ cpp12,
+ ]);
+ difference(){
+ polygon([ cpp4,
+ cpp3,
+ cpp12,
+ cppA,
+ cppE,
+ cppD,
+ cppC,
+ cpp9,
+ cpp10,
+ cpp11,
+ cpp7,
+ cpp5,
+ ], convexity=10);
+ hull(){
+ translate(cpp7) circle(r= catch_cr);
+ polygon([ cpp7,
+ cpp5,
+ cpp11 ]);
+ }
+ hull(){
+ translate(cpp6) circle(catch_cr);
+ polygon([ cppA,
+ cpp0,
+ cpp1 ]);
+ }
+ }
+}
+
+module CatchPreDistort(){ /////toplevel
+ scale(100 / sm_inner_rad)
+ rotate([90,0,0])
+ linear_extrude(height=catch_strap_thick, convexity=10)
+ CatchCoreProfile();
+}
+
+module CatchAssembly(){ /////toplevel
+ rotate([0,0, -0.5 * (cpp1[0] + cpp2[0]) / sm_inner_rad * 360/TAU])
+ translate([0,0, catch_strap_width])
+ scale(sm_inner_rad / 100)
+ import(str("poster-tube-lid,CatchPostDistort-fa",
+ (coarse ? 20 : 1),
+ ".stl"),
+ convexity=20);
+
+ SomeStrap(){
+ union(){ }
+ union(){
+ translate([-200, -200, -200])
+ cube([400, 200, 400]);
+ }
+ }
+}
+
+module CatchDemo(){ /////toplevel
+ color("blue") translate([0,0,
+ -catch_strap_width
+ -cpp0[1]
+ ])
+ CatchAssembly();
+ translate([0,0,+side_height
+ ])
+ Cover();
+}
+
+module CatchDemoS(){ /////toplevel
+ color("blue") translate([0,0,
+ -catch_strap_width
+ -cpp0[1]
+ ])
+ CatchAssembly();
+ intersection(){
+ translate([0,0,+side_height
+ ])
+ Cover();
+ mirror([0,1,0]) translate([-250,33,0]) cube([500,500,500]);
+ }
+ color("black")
+ translate([0,-33,0])
+ cube([6.15, 2,2], center=true);
+}
+
+module CatchPinProfileDemo(){ /////toplevel
+ echo("G ",
+ cpp2[0] - cpp1[0],
+ bayo_n[0] - bayo_e[0]);
+ color("blue") translate([-cpp2[0],
+ -cpp2[1],
+ +1,
+ ])
+ CatchCoreProfile();
+ polygon(bayo_polygon, convexity=10);
+}
+
//ProfilesDemo();
//BayonetCutout();
//MainProfile();
~ianmdlvl / reprap-play.git / blobdiff