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Added insert_lug() to make flying insert lugs.

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This commit is contained in:
Chris Palmer 2019-07-25 10:39:31 +01:00
parent 3d4653fc0f
commit c68f879d13
4 changed files with 56 additions and 91 deletions
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50
printed/psu_shroud.scad
View File

@ -33,10 +33,8 @@ wall = 1.8;
top = 1.5;
screw = M3_cap_screw;
insert = screw_insert(screw);
boss_r = wall + corrected_radius(insert_hole_radius(insert));
boss_h = insert_hole_length(insert);
boss_r = insert_boss_radius(insert, wall);
counter_bore = 2;
boss_h2 = boss_h + counter_bore;
rad = 2;
clearance = layer_height;
overlap = 6;
@ -137,48 +135,12 @@ module psu_shroud(type, cable_d, name, cables = 1) { //! Generate the STL file f
translate([0, height / 2])
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
mirror([0, 1, 0]) {
// insert boss
translate_z(height - boss_h)
linear_extrude(height = boss_h)
// insert lugs
mirror([0, 1, 0])
psu_shroud_hole_positions(type)
difference() {
hull() {
circle(boss_r);
translate([0, $side * (boss_r - 1)])
square([2 * boss_r, eps], center = true);
}
poly_circle(insert_hole_radius(insert));
}
// insert boss counter_bore
translate_z(height - boss_h2)
linear_extrude(height = counter_bore + eps)
psu_shroud_hole_positions(type)
difference() {
hull() {
circle(boss_r);
translate([0, $side * (boss_r - 1)])
square([2 * boss_r, eps], center = true);
}
poly_circle(insert_screw_diameter(insert) / 2 + 0.1);
}
// support cones
translate_z(height - boss_h2)
psu_shroud_hole_positions(type)
hull() {
cylinder(h = eps, r = boss_r - eps);
translate([0, $side * (boss_r - 1)])
cube([2 * boss_r, eps, eps], center = true);
translate([0, $side * (boss_r - wall), - (2 * boss_r - wall)])
cube(eps);
}
}
translate_z(height)
rotate(90)
insert_lug(insert, wall, $side, counter_bore);
}
module psu_shroud_assembly(type, cable_d, name, cables = 1) //! The printed parts with inserts fitted

50
printed/ssr_shroud.scad
View File

@ -33,10 +33,8 @@ wall = 1.8;
top = 1.5;
screw = M3_cap_screw;
insert = screw_insert(screw);
boss_r = wall + corrected_radius(insert_hole_radius(insert));
boss_h = insert_hole_length(insert);
boss_r = insert_boss_radius(insert, wall);
counter_bore = 2;
boss_h2 = boss_h + counter_bore;
rad = 3;
clearance = layer_height;
@ -61,7 +59,6 @@ module ssr_shroud_holes(type, cable_d) { //! Drill the screw and ziptie holes
translate([ssr_shroud_cable_x(type, cable_d), side * (ssr_width(type) / 2 - 2 * boss_r)])
rotate(-90)
cable_tie_holes(cable_d / 2, h = 0);
}
module ssr_shroud(type, cable_d, name) { //! Generate the STL file for a specified ssr and cable
@ -103,45 +100,11 @@ module ssr_shroud(type, cable_d, name) { //! Generate the STL file for a spec
vertical_tearslot(h = 0, r = cable_d / 2, l = cable_d);
}
// insert boss
translate_z(height - boss_h)
linear_extrude(height = boss_h)
ssr_shroud_hole_positions(type)
difference() {
hull() {
circle(boss_r);
translate([0, -$side * (boss_r - 1)])
square([2 * boss_r, eps], center = true);
}
poly_circle(insert_hole_radius(insert));
}
// insert boss counter_bore
translate_z(height - boss_h2)
linear_extrude(height = counter_bore + eps)
ssr_shroud_hole_positions(type)
difference() {
hull() {
circle(boss_r);
translate([0, -$side * (boss_r - 1)])
square([2 * boss_r, eps], center = true);
}
poly_circle(insert_screw_diameter(insert) / 2 + 0.1);
}
// support cones
ssr_shroud_hole_positions(type)
hull() {
translate_z(-height + boss_h2) {
cylinder(h = eps, r = boss_r - eps);
translate([0, -$side * (boss_r - 1)])
cube([2 * boss_r, eps, eps], center = true);
}
translate([0, -$side * (boss_r - wall), -height + boss_h2 + (2 * boss_r - wall)])
cube(eps);
}
vflip()
translate_z(height)
rotate(90)
insert_lug(insert, wall, $side, counter_bore);
}
module ssr_shroud_assembly(type, cable_d, name) //! The printed parts with inserts fitted
@ -153,7 +116,6 @@ assembly(str("ssr_shroud_", name)) {
ssr_shroud_hole_positions(type)
insert(insert);
}
module ssr_shroud_fastened_assembly(type, cable_d, thickness, name) //! Assembly with screws in place
@ -177,6 +139,4 @@ module ssr_shroud_fastened_assembly(type, cable_d, thickness, name) //! Assembly
color(grey20)
cylinder(d = cable_d, h = 20, center = true);
}
}

1
readme.md
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@ -900,6 +900,7 @@ Heatfit threaded inserts. Can be pushed into thermoplastics using a soldering ir
| ```insert(type)``` | Draw specified insert |
| ```insert_boss(type, z, wall = 2 * extrusion_width)``` | Make a boss to take an insert |
| ```insert_hole(type, counterbore = 0, horizontal = false)``` | Make a hole to take an insert, ```counterbore``` is the extra length for the screw |
| ```insert_lug(insert, wall, side, counter_bore = 0)``` | Make a flying insert lug, see [ssr_shroud](#Ssr_shroud) |
![inserts](tests/png/inserts.png)

42
vitamins/insert.scad
View File

@ -107,3 +107,45 @@ module insert_boss(type, z, wall = 2 * extrusion_width) { //! Make a boss to tak
insert_hole(type, max(0, z - insert_hole_length(type) - 2 * layer_height));
}
}
module insert_lug(insert, wall, side, counter_bore = 0) {
boss_r = insert_boss_radius(insert, wall);
boss_h = insert_hole_length(insert);
boss_h2 = boss_h + counter_bore;
translate_z(-boss_h)
linear_extrude(height = boss_h)
difference() {
hull() {
circle(boss_r);
translate([side * (boss_r - 1), 0])
square([eps, 2 * boss_r], center = true);
}
poly_circle(insert_hole_radius(insert));
}
// insert boss counter_bore
translate_z(-boss_h2) {
linear_extrude(height = counter_bore + eps)
difference() {
hull() {
circle(boss_r);
translate([side * (boss_r - 1), 0])
square([eps, 2 * boss_r], center = true);
}
poly_circle(insert_screw_diameter(insert) / 2 + 0.1);
}
// support cones
hull() {
cylinder(h = eps, r = boss_r - eps);
translate([side * (boss_r - 1), 0])
cube([eps, 2 * boss_r, eps], center = true);
translate([side * (boss_r - wall + eps), 0, - (2 * boss_r - wall)])
cube(eps, center = true);
}
}
}