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Code Issues Releases Wiki Activity

added option for grub screws

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This commit is contained in:
Alex Verschoot
2025-07-12 22:45:13 +02:00
parent 55f7537ba6
commit 9327c7c134
2 changed files with 58 additions and 21 deletions
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70
vitamins/corner_3d_connector.scad
View File

@@ -29,6 +29,8 @@
include <NopSCADlib/core.scad>
include <NopSCADlib/utils/thread.scad>
include <NopSCADlib/vitamins/screws.scad>
@@ -48,7 +50,7 @@ function nut_screws_hor(type)=type[12]; //! The positions of the screw holes on
function nut_screws_ver(type)=type[13]; //! The positions of the screw holes on the vertical arms, expressed in %/100 of the nut arm
module corner_3d_connector (type, thread = false) {
module corner_3d_connector (type, thread = false, grub_screws = true) {
nut_screw_dia = nut_screw_dia(type);
nut_dia = nut_dia(type);
nut_thickness = nut_thickness(type);
@@ -72,22 +74,17 @@ nut_profile = [
[0, -nut_dia/2]
];
grub_screw = nut_screw_dia == 3 ? M3_grub_screw:nut_screw_dia == 4 ? M4_grub_screw:nut_screw_dia == 5 ? M5_grub_screw:M6_grub_screw;
translate([-5,0,0])
screw(grub_screw, nut_nyloc_thickness);
outer_side_length = outer_side_length(type);
outer_height = outer_height(type);
inner_side_length= inner_side_length(type);
inner_height = inner_height(type);
inner_offset_z = outer_height-inner_height+0.01;
r=1;
color("lightgray")
union() {
//create the base
difference () {
rounded_cube_xy([outer_side_length, outer_side_length, outer_height], r=r);
translate([(outer_side_length-inner_side_length)/2,(outer_side_length-inner_side_length)/2,inner_offset_z])
rounded_cube_xy([inner_side_length, inner_side_length, inner_height], r=r);
}
//position the nuts on the base
positions_horizontal = [
@@ -99,7 +96,18 @@ nut_profile = [
[outer_side_length/2,outer_side_length,inner_offset_z,0,0,270],
];
//the radius of the base corners
r=1;
color("lightgray")
union() {
//create the base
difference () {
rounded_cube_xy([outer_side_length, outer_side_length, outer_height], r=r);
translate([(outer_side_length-inner_side_length)/2,(outer_side_length-inner_side_length)/2,inner_offset_z])
rounded_cube_xy([inner_side_length, inner_side_length, inner_height], r=r);
}
for (pos = positions_horizontal) {
translate([pos[0],pos[1],pos[2]])
rotate([pos[3],pos[4],pos[5]])
@@ -112,15 +120,21 @@ nut_profile = [
rotate([0,90,0])
difference() {
cylinder(h = nut_nyloc_thickness+0.02, d=nut_screw_dia, center = false);
if(thread)
if(thread) {
female_metric_thread(nut_screw_dia, metric_coarse_pitch(nut_screw_dia), nut_nyloc_thickness, center = false);
}
}
if(grub_screws) {
screw(grub_screw, nut_nyloc_thickness);
}
}
}
}
for (pos = positions_vertical) {
translate([pos[0],pos[1],pos[2]])
rotate([pos[3],pos[4],pos[5]])
rotate([pos[3],pos[4],pos[5]]){
difference() {
linear_extrude(nut_sx)
polygon(nut_profile);
@@ -130,11 +144,37 @@ nut_profile = [
rotate([0,90,0])
difference() {
cylinder(h = nut_nyloc_thickness+0.02, d=nut_screw_dia, center = false);
if(thread)
if(thread) {
female_metric_thread(nut_screw_dia, metric_coarse_pitch(nut_screw_dia), nut_nyloc_thickness, center = false);
}
}
}
}
}
}
}
if(grub_screws) {
for (pos = positions_horizontal) {
translate([pos[0],pos[1],pos[2]])
rotate([pos[3],pos[4],pos[5]]){
for ( dist = nut_screws_hor(type) ){
translate([-0.01,0,nut_sx*dist])
rotate([180,90,0])
screw(grub_screw, nut_nyloc_thickness);
}
}
}
for (pos = positions_vertical) {
translate([pos[0],pos[1],pos[2]])
rotate([pos[3],pos[4],pos[5]]){
for ( dist = nut_screws_ver(type) ){
translate([-0.01,0,nut_sx*dist])
rotate([180,90,0])
screw(grub_screw, nut_nyloc_thickness);
}
}
}
}
}

9
vitamins/corner_3d_connectors.scad
View File

@@ -30,11 +30,8 @@ corner_3d_connectors = [corner_3d_connector_2020,corner_3d_connector_3030,corner
use <corner_3d_connector.scad>
$show_threads = true;
corner_3d_connector(corner_3d_connector_2020, false);
corner_3d_connector(corner_3d_connector_2020);
translate([50,0,0])
corner_3d_connector(corner_3d_connector_3030, false);
corner_3d_connector(corner_3d_connector_3030, grub_screws=true);
translate([120,0,0])
corner_3d_connector(corner_3d_connector_4040, false);
corner_3d_connector(corner_3d_connector_4040);