yayraffe/mini-telescope-cad
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

major revision of EVERYTHING

Browse Source
This commit is contained in:
jayAitch256
2023-03-16 18:20:50 +01:00
parent 89863924f4
commit 9c6465b6c7
5 changed files with 346 additions and 160 deletions
Download Patch File Download Diff File Expand all files Collapse all files

169
mini-telescope.scad
View File

@@ -1,106 +1,83 @@
use <achse.scad>
use <gears/gears.scad>
use <kugellager.scad>
use <stepper.scad>
use <zahnkranz.scad>
$fn = 50;
gear_modul = 1;
gear_tooth_number_small = 10;
gear_tooth_number_large = 150;
gear_large_full_diameter = 190;
/*
Schraube MetricCountersunkBolt()
Schraubenloch CountersunkClearanceHole()
Gewindebolzen RodStart() RodEnd()
Mutter MetricNut()
*/
module brett () {
difference () {
cylinder(d=197, h=12);
cylinder(d=15.5, h=12);
}
$fn = 200;
gear_modul = 0.5;
laser_h = 3;
brett_dicke = 13;
brett_bohrung = 15.5;
bretter_abstand = 8;
gear_abstand_unten = 2;
// Verwendetes Reely-Plastik-Doppelzahnrad
module double_gear(tooth_number, flipped = false) {
if (!flipped) {
spur_gear(modul = gear_modul, tooth_number = tooth_number, width = 1.5,
bore = 3);
translate([ 0, 0, 1.5 ])
spur_gear(modul = gear_modul, tooth_number = 12, width = 4, bore = 3);
} else {
spur_gear(modul = gear_modul, tooth_number = 12, width = 4, bore = 3);
translate([ 0, 0, 4 ]) spur_gear(
modul = gear_modul, tooth_number = tooth_number, width = 1.5, bore = 3);
}
}
module stepper_zahnrad () {
difference () {
union () {
translate([0,0,10]) spur_gear(modul=gear_modul, tooth_number=gear_tooth_number_small, width=3, bore=0);
cylinder(h=10+3, d=6.5+2);
}
stepper_welle();
}
}
module stepper_welle () {
difference() {
cylinder(d=6.5,h=71.5);
translate([6,0,0]) cube([6.5,6.5,71.5 *2], center = true);
}
}
module stepper () {
union () {
translate([-56.5 / 2, -56.5 / 2, 0]) union () {
difference () {
//Grundkörper
cube([56.5,56.5,50.5]);
//Einrundungen
cylinder(h=45,r=9.5);
translate([56.5, 0,0]) cylinder(45,9.5,9.5);
translate([0, 56.5,0]) cylinder(45,9.5,9.5);
translate([56.5, 56.5,0]) cylinder(45,9.5,9.5);
//Schrauben
translate([4,4,45]) cylinder(h=6,d=5.5);
translate([56.5-4,4,45]) cylinder(h=6,d=5.5);
translate([4,56.5-4,45]) cylinder(h=6,d=5.5);
translate([56.5-4,56.5-4,45]) cylinder(h=6,d=5.5);
}
// Welle
translate([56.5 / 2, 56.5 / 2, 0]) union () {
stepper_welle();
translate([0,0,50.5]) cylinder(h=1.5, d=38);
}
}
translate([0,0,71.5-(10+3)]) stepper_zahnrad();
}
}
module stepper_small () {
union () {
//Grundkörper
translate([-42.2 / 2, -42.2 / 2, 0]) union () {
cube([42.2,42.2,32]);
translate([42.2 / 2, 42.2 / 2, 32]) cylinder(h=1.5, d=22);
}
//Welle & Zahnrad
translate([0,0,32+1.5]) {
union () {
translate([0,0,18-3]) spur_gear(modul=gear_modul, tooth_number=10, width=3, bore=0);
cylinder(h=18, d=5);
}
}
//Befestigung
translate ([-80/2, -20/2, 32-5]) difference () {
cube([80, 20, 5]);
union () {
translate([4, 20/2, 0]) cylinder(h=5, d=4) ;
translate([80-4, 20/2, 0]) cylinder(h=5, d=4) ;
}
}
}
}
module large_gear () {
difference () {
cylinder(h = 3, d=gear_large_full_diameter);
spur_gear(modul=gear_modul, tooth_number=gear_tooth_number_large, width=3, bore=0);
cylinder(h = 3, d=(gear_large_full_diameter - 60));
}
// Holzbrett
module brett() {
brett_durchmesser = 197;
linear_extrude(brett_dicke) difference() {
circle(d = brett_durchmesser);
circle(d = brett_bohrung);
}
}
// Stepper
*color("red") translate([0,70,0]) stepper_small();
stepper_grundkoerper_h = 32;
stepper_befestigung_l = 78;
stepper_befestigung_screw_d = 4;
stepper_befestigung_screw_abstand = 4;
//Brett unten
*color("grey") translate([0,0,-12]) brett ();
translate([
0, 0, -(stepper_grundkoerper_h + 3 * laser_h)
]) stepper_small(grundkoerper_h = stepper_grundkoerper_h,
befestigung_l = stepper_befestigung_l,
befestigung_screw_d = stepper_befestigung_screw_d,
befestigung_screw_abstand = stepper_befestigung_screw_abstand);
// Top Gear
*color("yellow") translate([0,0,32+1.5+18-3]) large_gear ();
// Anordnung der Zahnräder (mit Augenmaß)
color("red") translate([ 0, 14.7, gear_abstand_unten ])
double_gear(tooth_number = 40);
color("green") translate([ 0, 30.2, gear_abstand_unten ])
double_gear(tooth_number = 50, flipped = true);
translate([ 0, 48.3, gear_abstand_unten ]) double_gear(tooth_number = 60);
color("blue") translate([ 0, 0, bretter_abstand - laser_h ])
zahnkranz(tooth_number = 206, laser_h = laser_h);
*color("grey") translate([ 0, 0, bretter_abstand ]) brett();
color("blue")
achse(laser_h = laser_h,
brett_bohrung = brett_bohrung,
brett_dicke = brett_dicke,
stepper_befestigung_screw_d = stepper_befestigung_screw_d,
stepper_befestigung_l = stepper_befestigung_l,
stepper_befestigung_screw_abstand = stepper_befestigung_screw_abstand,
gear_abstand_unten = gear_abstand_unten,
bretter_abstand = bretter_abstand);
color("red") kugellager_mit_nuts(sphere_number = 290, h = bretter_abstand);
translate([ 0, 0, bretter_abstand + brett_dicke + 0.5 + 8 ]) mirror([ 0, 0, 1 ])
kugellager(sphere_number = 100, h = 8, nut_d = 10, wall_d = 3);