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adding rod end bearing and a yellow bed spring

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alex 2024-03-13 17:46:08 -05:00 committed by texas
parent a695974ac5
commit 905fc01677
3 changed files with 154 additions and 3 deletions
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144
vitamins/rod_end.scad Normal file
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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_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_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) {
bb_bore = rod_end_bearing_bore(type);
bb_od=rod_end_bearing_od(type);
bb_rim=rod_end_bearing_rim(type);
bb_width=rod_end_bearing_width(type);
bb_shield_colour = rod_end_bearing_shield_colour(type);
length = rod_end_screw_length(type);
sphere_rad = rod_end_sphere_radius(type)/2;
rod_end_sphere_seg_width= rod_end_sphere_seg_width(type);
shaft_rad = rod_end_screw_radius(type) - eps;
thread_rad = rod_end_screw_radius(type);
thread = rod_end_thread_length(type); //length - bb_od/2;
// thread = length - bb_od/2;
thread_offset = 0;
thread_d = 2 * thread_rad;
pitch = metric_coarse_pitch(thread_d);
colour = grey(80);
shield_width=bb_width - (bb_width < 5 ? 0.5 : 1);
chamfer = bb_rim / 6;
description = str("Rod End Bearing ", type[1], length < 10 ? " x " : " x ", length, "mm");
vitamin(str("Rod End Bearing(", type[0], length, "): ", description));
// show_threads=true;
module shaft(socket = 0, headless = false) {
// point = screw_nut(type) ? 0 : 3 * shaft_rad;
shank = length;
if(show_threads && pitch)
translate_z(-length - thread_offset)
male_metric_thread(thread_d, pitch, thread, false, top = headless ? -1 : 0, solid = !headless, colour = colour);
else
color(colour * 0.9)
rotate_extrude() {
translate([0, -length - thread_offset])
square([thread_rad - eps, thread ]);
// if(point)
// polygon([
// [0.4, -length], [0, point - length], [shaft_rad, point - length]
// ]);
}
// if(shank > 0)
// color(colour)
// translate_z(-shank - socket)
// cylinder(r = shaft_rad + eps, h = shank);
}
module bearingEye(){
rotate_extrude()
{
difference() {
circle(r = sphere_rad);
translate(v = [0,-sphere_rad])
square(size = sphere_rad*2);
for(i=[0,1])
mirror(v = [0,i])
translate(v = [-sphere_rad,rod_end_sphere_seg_width/2])
square(size = sphere_rad*2);
square([bb_bore,rod_end_sphere_seg_width+1], center=true);
}
}
color(bb_shield_colour)
rotate_extrude()
{
difference() {
translate([0,-shield_width/2])
square([bb_od/2-bb_rim,shield_width]);
circle(r = sphere_rad);
}
}
// rotate_extrude()
// {
// translate([0,-bb_width/2])
// difference() {
// square([(bb_od)/2,bb_width]);
// square([bb_od/2-bb_rim,bb_width]);
// }
// }
rotate_extrude()
hull() {
// rim= bb_rim;
or= bb_od/2;
h = bb_width;
translate([or - bb_rim, -h / 2 + chamfer])
square([bb_rim, h - 2 * chamfer]);
translate([or - bb_rim, -h / 2])
square([bb_rim - chamfer, h]);
}
translate([0,0,-bb_width/2+chamfer])
linear_extrude(bb_width-chamfer*2){
difference() {
hull(){
circle(r = bb_od/2);
translate([length-thread,-shaft_rad])
square([0.5,shaft_rad*2]);
}
circle(r = bb_od/2-bb_rim);
}
}
}
shaft();
rotate([0,90,0])
bearingEye();
// square()
}

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vitamins/rod_ends.scad Normal file
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RE_m5_bearing = ["rodEndBearingM5", 5, 16, 8, 6, "gold", 5, 8, 11.11, 33, 21, 41, 2.0, 2.0, 0, 0]; // uxcell M5x0.8 Right Hand Thread, Self-Lubricating Joint Rod Ends
rod_ends= [ RE_m5_bearing];
use<rod_end.scad>

8
vitamins/springs.scad
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// If not, see <https://www.gnu.org/licenses/>.
//
peg_spring = ["peg_spring", 6.4, 0.9, 15.5, 8, 1, false, 0, "silver"];
batt_spring = ["batt_spring", 5, 0.5, 8, 5, 1, false, 6, "silver"];
// name OD wireG len #trns clsd flat OD2 color
peg_spring = ["peg_spring", 6.4, 0.9, 15.5, 8, 1, false, 0, "silver"];
yellow_bed_spring = ["yellow_bed_spring", 8, 0.9, 20, 10, 1, false, 0, "yellow"];
batt_spring = ["batt_spring", 5, 0.5, 8, 5, 1, false, 6, "silver"];
springs = [peg_spring, batt_spring];
springs = [peg_spring, batt_spring, yellow_bed_spring];
use <spring.scad>