115 lines
2.9 KiB
OpenSCAD
115 lines
2.9 KiB
OpenSCAD
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// rostock igus/traxxas-mod with customized front-belt assembly
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// by zeus - zeus@ctdo.de - CC-BY-NC-4.0
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// -> https://www.thingiverse.com/zeus
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// -> https://github.com/zeus86
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//2014-10-01
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Fmotor_end_height=44;
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idler_end_height=28;
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carriage_height=24;
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rod_length=120;
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smooth_rod_length=300;
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tower_radius = 120;
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platform_hinge_offset=33;
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carriage_hinge_offset=22;
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width = 67;
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height = carriage_height;
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offset = 20;
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cutout = 15;
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middle = 2*offset - width/2;
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module parallel_joints(reinforced) {
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difference() {
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union() {
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intersection() {
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cube([width, 20, 8], center=true);
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rotate([0, 90, 0]) cylinder(r=5, h=width, center=true);
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}
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intersection() {
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translate([0, 18, 4]) rotate([45, 0, 0])
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cube([width, reinforced, reinforced], center=true);
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translate([0, 0, 20]) cube([width, 35, 40], center=true);
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}
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translate([0, 8, 0]) cube([width, 16, 8], center=true);
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}
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rotate([0, 90, 0]) cylinder(r=1.55, h=80, center=true, $fn=12);
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for (x = [-offset, offset]) {
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translate([x, 6.6, 0])
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cylinder(r=cutout/2, h=100, center=true, $fn=36);
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translate([x, -3.8, 0])
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cube([cutout, 20, 100], center=true);
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translate([x, 0, 0]) rotate([0, 90, 0]) rotate([0, 0, 30])
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cylinder(r=3.5, h=19, center=true, $fn=6);
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}
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translate([0, 4, 0])
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cube([2*offset+7, 20, 100], center=true);
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//translate([0, 2, 0]) cylinder(r=middle, h=100, center=true);
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//translate([0, -8, 0]) cube([2*middle, 20, 100], center=true);
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}
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}
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module lm8uu_mount(d, h) {
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union() {
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difference() {
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intersection() {
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cylinder(r=11, h=h, center=true);
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translate([0, -8, 0]) cube([22, 13, h+1], center=true);
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}
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cylinder(r=16/2, h=h+1, center=true);
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}
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}
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}
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module carriage() {
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translate([0, 0, height/2])
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union() {
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for (x = [-30, 30]) {
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translate([x, 0, 0]) lm8uu_mount(d=15, h=24);
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}
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difference() {
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union() {
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translate([0, -5.6, 0])
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cube([50, 5, height], center=true);
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translate([0, -carriage_hinge_offset, -height/2+4])
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parallel_joints(16);
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// endstop column
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translate([15, -10, -height/2+4])
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cube([6, 5, 8], center=true);
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translate([15, -15.5, -height/2+4])
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intersection() {
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}
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}
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translate([-9, -5.6, 5]){
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rotate([90, 0, 0]){
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cylinder(r=1.75, h=10, center=true, $fn=12);}}
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translate([-9, -5.6, -5]){
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rotate([90, 0, 0]){
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cylinder(r=1.75, h=10, center=true, $fn=12);}}
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// Screw hole for adjustable top endstop.
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translate([15, -8, -height/2+4])
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cylinder(r=1.5, h=15, center=true, $fn=12);
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for (x = [-30, 30]) {
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translate([x, 0, 0])
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cylinder(r=8, h=height+1, center=true);
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// Zip tie tunnels.
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for (z = [-height/2+4, height/2-4])
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translate([x, 0, z])
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cylinder(r=13, h=3, center=true);
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}
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}
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}
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}
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carriage();
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