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adding test code for weld nuts and rod ends, adding ball bearings to test code list, and updating code for dome screw heads to use an angle to determine inset distance of the lower taper

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texas 2024-08-23 14:32:03 -05:00
parent 37fe83e2e0
commit fe3ce88086
6 changed files with 41 additions and 17 deletions
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7
tests/nuts.scad
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@ -85,6 +85,13 @@ module nuts() {
if(n == M8_nut)
nut_square(M8nS_thin_nut);
}
translate([0,150]){
if(n==M4_nut)
weld_nut(M4_weld_nut);
if(n==M6_nut)
weld_nut(M6_weld_nut);
}
}
}

17
tests/rod_ends.scad Normal file
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@ -0,0 +1,17 @@
include <../utils/core/core.scad>
use <../utils/layout.scad>
include <../vitamins/rod_ends.scad>
module do_rod_ends(list) {
diameters = [for(b = list) rod_end_bearing_od(b)];
max = max(diameters);
layout(diameters) let(b = list[$i])
//translate([0, (max - bb_diameter(b)) / 2])
rod_end_bearing(list[$i]);
}
if($preview)
do_rod_ends(rod_ends);

2
vitamins/ball_bearings.scad
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@ -37,6 +37,6 @@ BBF693 = ["F693", 3, 8, 3, "silver", 0.5, 0.7, 9.5, 0.7];
BBF625 = ["F625", 5, 16, 5, "silver", 1.0, 1.0, 18, 1];
BBF695 = ["F695", 5, 13, 4, "silver", 1.0, 1.0, 15, 1];
ball_bearings = [BBF693, BBF623, BBF695, BBMR63, BBMR83, BBMR93, BBSMR95, BB624, BB686, BB696, BB608, BB6200, BB6201, BB6808];
ball_bearings = [BBF625, BBF693, BBF623, BBF695, BBMR63, BBMR83, BBMR85, BBMR93, BBMR95, BBSMR95, BB624, BB686, BB696, BB608, BB6200, BB6201, BB6808];
use <ball_bearing.scad>

4
vitamins/nut.scad
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@ -190,7 +190,7 @@ module wingnut(type) { //! Draw a wingnut
function t_nut_tab(type) = [type[8], type[9]]; //! Sliding t-nut T dimensions
module sliding_ball_t_nut(size, w, h, r) {
module sliding_ball_t_nut(size, w, h, r) { //! Draw a sliding ball t nut
rad = 0.5;
stem = size.z - h;
ball_d = 4;
@ -245,7 +245,7 @@ module sliding_t_nut(type) { //! Draw a sliding T nut, T nut with a spring loade
extrusionSlidingNut(size, tab[0], tab[1], tabSizeZ, holeRadius, 0, hammerNut);
}
module weld_nut(type) {
module weld_nut(type) { //! draw a weld nut
thread_d = nut_size(type);
hole_rad = thread_d / 2;
nut_neck_rad = nut_radius(type);

20
vitamins/rod_end.scad
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@ -2,25 +2,25 @@ include <NopSCADlib/utils/core/core.scad>
include <NopSCADlib/utils/thread.scad>
function rod_end_bearing_bore(type) =type[1]; // radius of the bore hole in the bearing
function rod_end_bearing_od(type) =type[2]; // Outer diameter of the bearing
function rod_end_bearing_bore(type) =type[1]; //! radius of the bore hole in the bearing
function rod_end_bearing_od(type) =type[2]; //! Outer diameter of the bearing
function rod_end_bore_width(type) = type[3]; //! Width
function rod_end_bearing_width(type) = type[4]; //! Width
function rod_end_bearing_shield_colour(type) = type[5]; //! Shield colour, "silver" for metal
function rod_end_screw_radius(type) =type[6]/2; // radius of the screw end, not the bore
// function screw_pitch(type) =type[6]; // pitch of the screw end, not the bore
function rod_end_sphere_seg_width(type) = type[7]; // the width of the pivoting part, effectively a (sphere - sphereCaps - center bore)
function rod_end_sphere_radius(type) = type[8];
function rod_end_screw_length(type) =type[9]; // length of the screw from eye center, not the bore
function rod_end_thread_length(type) =type[10]; // length of the threads
function rod_end_overall_length(type) = type[11];
function rod_end_screw_radius(type) =type[6]/2; //! radius of the screw end, not the bore
// function screw_pitch(type) =type[6]; //! pitch of the screw end, not the bore
function rod_end_sphere_seg_width(type) = type[7]; //! the width of the pivoting part, effectively a (sphere - sphereCaps - center bore)
function rod_end_sphere_radius(type) = type[8]; //!radius of the rod end sphere
function rod_end_screw_length(type) =type[9]; //! length of the screw from eye center, not the bore
function rod_end_thread_length(type) =type[10]; //! length of the threads
function rod_end_overall_length(type) = type[11]; //! overall length of the rod end
function rod_end_bearing_rim(type) = type[12]; //! Outer rim thickness guesstimate
// function screw_thread_radius(type) = //! Thread radius
// let(d = screw_thread_diameter(type)) is_undef(d) ? rod_end_screw_radius(type) : d / 2;
module rod_end_bearing(type) {
module rod_end_bearing(type) { //! Draw a rod end bearing
bb_bore = rod_end_bearing_bore(type);
bb_od=rod_end_bearing_od(type);

8
vitamins/screw.scad
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@ -237,8 +237,9 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
}
if(head_type == hs_dome) {
edge_height = head_rad / 7.5;
head_chamfer_x=edge_height/2;
head_fillet_radius= 0.5;
head_chamfer_angle= 15; // degrees
head_chamfer_x=edge_height*tan(head_chamfer_angle);
head_fillet_radius= 0.3;
p0 = [head_rad, edge_height]; // Lowest point on the arc
p1 = [1.3 * socket_rad / cos(30), head_height]; // Highest point on the arc
p = (p0 + p1) / 2; // Start of bisector
@ -252,8 +253,7 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
translate([0, c])
circle(r);
// square([head_rad, head_height]);
offset(head_fillet_radius) offset(-head_fillet_radius)
// offset(head_fillet_radius) offset(-head_fillet_radius)
polygon(points = [
[0,0],
[head_rad-head_chamfer_x,0],