smooth_r = 15;
-bolt_dia = 5 + 0.75;
+bolt_dia = 5;
bolt_flat = 10 + 1;
+nbolts = 2;
+
open_gap = 10;
hinge_unit = 10;
hinge_units = 4;
-// vhook
+bolt_gap = 1.0; // total, on both sides
+
+// ---------- vhook ----------
vhook_th = 14;
+// ---------- hhook ----------
-// calculated
+hhook_inside = 40;
+hhook_th = 4;
+hhook_l = 40;
+// ========== defaults ==========
+
+pin_head_th = th/2;
pin_dia = th;
+pin_hole_dia = pin_dia/2;
+pin_tail = pin_hole_dia + pin_head_th + hinge_z_gap*3;
+
+// ========== calculated ==========
+
hole_dia = th + pin_gap;
+bolt_hole_r = (bolt_dia + bolt_gap)/2;
+
main_r = tube_dia/2 + th;
hinge_gap = pin_gap;
hinge_x = -0.5 * tube_dia - hinge_o_r;
bolt_x = 0.5 * tube_dia + th + bolt_flat * 0.5;
-max_x = bolt_x + max(0.5 + bolt_dia + th, 0.5 * bolt_flat/2);
+max_x = bolt_x + max(bolt_hole_r + th, 0.5 * bolt_flat/2);
flats_y = open_gap/2 + th;
pin_flatten = pin_dia/2 * (1 - cos(45));
+bolt_stride = total_z / nbolts;
+
// calculated - vhook
vhook_inside = 15;
vhook_ctr = vhook_y0 - vhook_inside/2;
vhook_outer_dia = vhook_inside + vhook_th*2;
+// calculated - hhook
+
+hhook_outer_dia = hhook_inside + hhook_th*2;
+
+hhook_ctr = -max(main_r + hhook_inside/2,
+ tube_dia/2 + hhook_outer_dia/2);
$fa = 3;
$fs = 0.1;
linextr(0, hinge_unit) MainPlanA(flatten);
}
}
- for (dz=[-1,+1]) {
- translate([ bolt_x, 0, dz * total_z/4 ]) {
+ for (j=[0:nbolts-1]) {
+ translate([ bolt_x, 0, min_z + (j + 0.5) * bolt_stride ]) {
translate([0, -tube_dia/2, 0])
rotate([-90,0,0])
- cylinder(r= bolt_dia/2, h= tube_dia);
+ cylinder(r= bolt_hole_r, h= tube_dia);
translate([0, -flats_y, 0])
rotate([90,0,0])
cylinder(r= bolt_flat/2, h= tube_dia/2);
}
}
-module PlanDemo(){ ////toplevel
- MainPlan();
- translate([0,0,-4]) color("red") Portion(1);
- translate([0,0,-2]) color("grey") Portion(0);
-
- translate([0, tube_dia*1.5]) {
- MainPlanB();
- MainPlanA();
- }
-
- translate([0, -tube_dia*1.5]) {
- VHookPlanDemo();
- }
-// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
-}
-
// ---------- vhook ----------
module VHookProfile() {
}
}
-module VHookPartA(){ ////toplevel
+module VHookA(){ ////toplevel
DummyA();
translate([0, vhook_ctr, 0]){
}
module VHookPlanDemo(){
- VHookPlan();
+ MainPlanA();
translate([0, vhook_ctr, 5])
for (m=[0,1]) {
mirror([0,m])
}
}
+// ---------- hhook ----------
+
+module HHookHookPlan(){
+ translate([0, hhook_ctr]){
+ difference(){
+ circle(r = hhook_outer_dia/2);
+ circle(r = hhook_inside/2);
+ rectfromto([+hhook_outer_dia, -hhook_outer_dia],
+ [0, +hhook_outer_dia]);
+ }
+ translate([0, -(hhook_inside/2 + hhook_th/2)]){
+ hull(){
+ for (x=[-0.1, hhook_l]) {
+ translate([x,0]) square(center=true, hhook_th);
+ }
+ }
+ }
+ }
+}
+
+module HHookA(){ ////toplevel
+ DummyA();
+ linextr(min_z, max_z) {
+ HHookHookPlan();
+ }
+}
+
+module HHookPlanDemo(){
+ MainPlanA();
+ HHookHookPlan();
+}
+
// ---------- misc ----------
+module PinSitu(){ ////toplevel
+ difference(){
+ union(){
+ translate([0,0, -pin_head_th])
+ cylinder(r= pin_dia/2, h = total_z + pin_head_th + pin_tail);
+ mirror([0,0,1])
+ cylinder(r= hinge_o_r - pin_gap, h = pin_head_th);
+ }
+ translate([0,0, total_z + pin_tail/2])
+ rotate([0,90,0])
+ translate([0,0, -pin_dia])
+ cylinder(r= pin_hole_dia/2, h=pin_dia*2);
+ translate([pin_dia/2 * cos(45), -50, -pin_head_th*2])
+ cube([50,100, total_z*2]);
+ }
+}
+
+module Pin(){ ////toplevel
+ rotate([0,90,0]) {
+ PinSitu();
+ }
+}
+
module GeneralB(){ ////toplevel
HalfClampX(true);
}
HalfClampX();
}
+module PlanDemo(){ ////toplevel
+ MainPlan();
+ translate([0,0,-4]) color("red") Portion(1);
+ translate([0,0,-2]) color("grey") Portion(0);
+
+ translate([0, tube_dia*1.5]) {
+ MainPlanB();
+ MainPlanA();
+ }
+
+ translate([0, -tube_dia*1.5]) {
+ VHookPlanDemo();
+ }
+ translate([tube_dia*4, 0]) {
+ HHookPlanDemo();
+ }
+// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
+}
+
+module DemoA(){ DummyA(); }
+
module Demo(){ ////toplevel
color("red") rotate([180,0,0]) GeneralB();
- color("blue") DummyA();
+ color("blue") DemoA();
+ color("orange") translate([hinge_x, 0, min_z - hinge_z_gap])
+ rotate([0,0,180]) PinSitu();
}
//PlanDemo();