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adding rod end bearing and a yellow bed spring
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alex
texas
parent
a695974ac5
commit
905fc01677
144
vitamins/rod_end.scad
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144
vitamins/rod_end.scad
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@ -0,0 +1,144 @@
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include <NopSCADlib/utils/core/core.scad>
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include <NopSCADlib/utils/thread.scad>
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function rod_end_bearing_bore(type) =type[1]; // radius of the bore hole in the bearing
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function rod_end_bearing_od(type) =type[2]; // Outer diameter of the bearing
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function rod_end_bore_width(type) = type[3]; //! Width
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function rod_end_bearing_width(type) = type[4]; //! Width
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function rod_end_bearing_shield_colour(type) = type[5]; //! Shield colour, "silver" for metal
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function rod_end_screw_radius(type) =type[6]/2; // radius of the screw end, not the bore
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// function screw_pitch(type) =type[6]; // pitch of the screw end, not the bore
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function rod_end_sphere_seg_width(type) = type[7]; // the width of the pivoting part, effectively a (sphere - sphereCaps - center bore)
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function rod_end_sphere_radius(type) = type[8];
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function rod_end_screw_length(type) =type[9]; // length of the screw from eye center, not the bore
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function rod_end_thread_length(type) =type[10]; // length of the threads
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function rod_end_overall_length(type) = type[11];
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function rod_end_bearing_rim(type) = type[12]; //! Outer rim thickness guesstimate
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// function screw_thread_radius(type) = //! Thread radius
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// let(d = screw_thread_diameter(type)) is_undef(d) ? rod_end_screw_radius(type) : d / 2;
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module rod_end_bearing(type) {
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bb_bore = rod_end_bearing_bore(type);
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bb_od=rod_end_bearing_od(type);
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bb_rim=rod_end_bearing_rim(type);
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bb_width=rod_end_bearing_width(type);
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bb_shield_colour = rod_end_bearing_shield_colour(type);
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length = rod_end_screw_length(type);
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sphere_rad = rod_end_sphere_radius(type)/2;
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rod_end_sphere_seg_width= rod_end_sphere_seg_width(type);
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shaft_rad = rod_end_screw_radius(type) - eps;
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thread_rad = rod_end_screw_radius(type);
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thread = rod_end_thread_length(type); //length - bb_od/2;
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// thread = length - bb_od/2;
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thread_offset = 0;
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thread_d = 2 * thread_rad;
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pitch = metric_coarse_pitch(thread_d);
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colour = grey(80);
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shield_width=bb_width - (bb_width < 5 ? 0.5 : 1);
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chamfer = bb_rim / 6;
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description = str("Rod End Bearing ", type[1], length < 10 ? " x " : " x ", length, "mm");
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vitamin(str("Rod End Bearing(", type[0], length, "): ", description));
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// show_threads=true;
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module shaft(socket = 0, headless = false) {
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// point = screw_nut(type) ? 0 : 3 * shaft_rad;
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shank = length;
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if(show_threads && pitch)
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translate_z(-length - thread_offset)
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male_metric_thread(thread_d, pitch, thread, false, top = headless ? -1 : 0, solid = !headless, colour = colour);
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else
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color(colour * 0.9)
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rotate_extrude() {
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translate([0, -length - thread_offset])
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square([thread_rad - eps, thread ]);
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// if(point)
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// polygon([
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// [0.4, -length], [0, point - length], [shaft_rad, point - length]
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// ]);
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}
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// if(shank > 0)
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// color(colour)
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// translate_z(-shank - socket)
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// cylinder(r = shaft_rad + eps, h = shank);
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}
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module bearingEye(){
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rotate_extrude()
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{
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difference() {
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circle(r = sphere_rad);
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translate(v = [0,-sphere_rad])
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square(size = sphere_rad*2);
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for(i=[0,1])
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mirror(v = [0,i])
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translate(v = [-sphere_rad,rod_end_sphere_seg_width/2])
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square(size = sphere_rad*2);
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square([bb_bore,rod_end_sphere_seg_width+1], center=true);
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}
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}
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color(bb_shield_colour)
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rotate_extrude()
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{
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difference() {
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translate([0,-shield_width/2])
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square([bb_od/2-bb_rim,shield_width]);
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circle(r = sphere_rad);
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}
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}
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// rotate_extrude()
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// {
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// translate([0,-bb_width/2])
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// difference() {
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// square([(bb_od)/2,bb_width]);
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// square([bb_od/2-bb_rim,bb_width]);
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// }
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// }
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rotate_extrude()
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hull() {
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// rim= bb_rim;
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or= bb_od/2;
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h = bb_width;
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translate([or - bb_rim, -h / 2 + chamfer])
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square([bb_rim, h - 2 * chamfer]);
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translate([or - bb_rim, -h / 2])
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square([bb_rim - chamfer, h]);
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}
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translate([0,0,-bb_width/2+chamfer])
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linear_extrude(bb_width-chamfer*2){
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difference() {
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hull(){
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circle(r = bb_od/2);
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translate([length-thread,-shaft_rad])
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square([0.5,shaft_rad*2]);
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}
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circle(r = bb_od/2-bb_rim);
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}
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}
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}
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shaft();
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rotate([0,90,0])
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bearingEye();
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// square()
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}
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5
vitamins/rod_ends.scad
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5
vitamins/rod_ends.scad
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@ -0,0 +1,5 @@
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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
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rod_ends= [ RE_m5_bearing];
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use<rod_end.scad>
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@ -17,9 +17,11 @@
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// If not, see <https://www.gnu.org/licenses/>.
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//
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// name OD wireG len #trns clsd flat OD2 color
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peg_spring = ["peg_spring", 6.4, 0.9, 15.5, 8, 1, false, 0, "silver"];
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yellow_bed_spring = ["yellow_bed_spring", 8, 0.9, 20, 10, 1, false, 0, "yellow"];
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batt_spring = ["batt_spring", 5, 0.5, 8, 5, 1, false, 6, "silver"];
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springs = [peg_spring, batt_spring];
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springs = [peg_spring, batt_spring, yellow_bed_spring];
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use <spring.scad>
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