49 lines
2.6 KiB
OpenSCAD
49 lines
2.6 KiB
OpenSCAD
include <../../config.scad>;
|
|
|
|
function get_universal_joint_length() = 40;
|
|
function get_universal_joint_d_bore_hole() = 6;
|
|
function get_universal_joint_d_hole() = 4;
|
|
function get_universal_joint_d() = 11;
|
|
function get_universal_joint_thickness() = (get_universal_joint_d() - get_universal_joint_d_bore_hole()) / 2;
|
|
function get_universal_joint_joint_axial_offset() = get_universal_joint_thickness() * 2;
|
|
function get_universal_joint_pin_axial_offset() = get_universal_joint_thickness() + get_universal_joint_d_hole() / 2;
|
|
|
|
module universal_joint() {
|
|
echo("Universal joint assembly: ERROR MISSING");
|
|
L = get_universal_joint_length();
|
|
t = get_universal_joint_thickness();
|
|
joint_axial_offset = get_universal_joint_joint_axial_offset();
|
|
translate([L / 2, 0, 0]) mirror([1, 0, 0]) universal_joint_half();
|
|
translate([L / 2 - joint_axial_offset, 0, 0]) rotate([90, -ANGLE_INCLINE_TILLER, 0]) translate([-joint_axial_offset, 0, 0]) universal_joint_half();
|
|
}
|
|
|
|
module universal_joint_half() {
|
|
d_hole_bore = get_universal_joint_d_bore_hole();
|
|
d_hole = get_universal_joint_d_hole();
|
|
d = get_universal_joint_d();
|
|
L = get_universal_joint_length();
|
|
t = get_universal_joint_thickness();
|
|
joint_axial_offset = get_universal_joint_joint_axial_offset();
|
|
pin_axial_offset = get_universal_joint_pin_axial_offset();
|
|
color("orange") union() {
|
|
difference() {
|
|
// body
|
|
rotate([0, 90, 0]) cylinder(L / 2, d / 2, d / 2, center = false);
|
|
// threaded hole
|
|
translate([L - pin_axial_offset, 0, 0]) cylinder(d, d_hole / 2, d_hole / 2, center = true);
|
|
// bore hole
|
|
rotate([0, 90, 0]) cylinder(L / 2, d_hole / 2, d_hole / 2, center = false);
|
|
// joint slot
|
|
translate([L / 8, 0, 0]) cube([L / 4, d - t * 2, d], center = true);
|
|
}
|
|
// joint
|
|
translate([joint_axial_offset, 0, 0]) rotate([90, 0, 0]) cylinder(d, t, t, center = true);
|
|
}
|
|
}
|
|
|
|
// output
|
|
translate([100, 0, 0]) universal_joint_half();
|
|
universal_joint();
|
|
|
|
// shopping
|
|
//https://www.amazon.co.uk/Ohamtes-diameter-universal-coupling-Rotatable/dp/B09NXCKJY7/ref=sr_1_1_sspa?crid=3DS7BH7WHYTF4&dib=eyJ2IjoiMSJ9.qTSAOeHpLAIx1plz8THvnJuCvLh8y4zf-H37BRTvT5TTF4M6kqHBg50e-40C5hjdmTAPJLEgHg0Jx5cbB8m_wQM7WCaEibSQJBNZnTwHBZ3w0jHw-znfaRDSaMRP0xlHOblYtwBc9XbF5-KNpHR9dtRmXPDooHcnFM8vchBOqGp-5rR5c6o9Nh0TCq9APO-csslNPAa4bTVjWtniflkcqc39VaQL55CghNaz2NQGdQRrifAgcEqwIM5BpJODfEizqzlotNlbrk6F1gdAZw2clQOw5dIVvjbKLGTCgXnK2xI.vL2JYm04p6ohOn9Jf1OMaPuo9PoqjzItE0AQg2irL0E&dib_tag=se&keywords=UNIVERSAL%2BJOINT&qid=1739725484&sprefix=universal%2Bjoint%2Caps%2C66&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1 |