simplify mount, add single_bevel()
parent
c36f492565
commit
883d6d95cb
51
torsen.scad
51
torsen.scad
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@ -11,6 +11,7 @@ module torsen_diff_36t() {
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}*/
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}*/
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//import("/var/home/vitali/LEGO Creations/cad/gear_36_solid_pre.stl");
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//import("/var/home/vitali/LEGO Creations/cad/gear_36_solid_pre.stl");
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rotate([90, 0, 0]) double_bevel_36t();
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rotate([90, 0, 0]) double_bevel_36t();
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//rotate([-90, 0, 0]) single_bevel(32);
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translate([0, 5, 0]) rotate([90, 0, 0]) cylinder(r=30, h=2, center=true, $fn=100);
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translate([0, 5, 0]) rotate([90, 0, 0]) cylinder(r=30, h=2, center=true, $fn=100);
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translate([0, -5, 0]) rotate([90, 0, 0]) cylinder(r=30, h=2, center=true, $fn=100);
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translate([0, -5, 0]) rotate([90, 0, 0]) cylinder(r=30, h=2, center=true, $fn=100);
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rotate([90, 0, 0]) cylinder(r=2.6, h=10, center=true);
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rotate([90, 0, 0]) cylinder(r=2.6, h=10, center=true);
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@ -18,35 +19,23 @@ module torsen_diff_36t() {
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}
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}
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translate([0, 0, 8]) difference() {
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translate([0, 0, 8]) difference() {
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union() {
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union() {
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hull() {
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translate([0, 8, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([0, 8, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([0, 8-2.8, 0]) cube([8, 2.8*2, 2.8*2], center=true);
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translate([0, 0, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([-3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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translate([-3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
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hull() {
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translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([-3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
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translate([-3.6, 0, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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hull() {
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translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([3.6, 0, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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translate([0, 8, 0]) rotate([90, 0, 90]) axle(h=16, axlemesh=1.75);
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translate([0, 8, 0]) rotate([90, 0, 90]) axle(h=16, axlemesh=1.75);
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}
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}
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}
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}
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translate([0, 0, -8]) difference() {
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translate([0, 0, -8]) difference() {
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union() {
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union() {
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hull() {
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translate([0, 8, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([0, 8, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([0, 8-2.8, 0]) cube([8, 2.8*2, 2.8*2], center=true);
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translate([0, 0, 0]) rotate([90, 0, 90]) cylinder(r=2.8, h=8, center=true);
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translate([-3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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translate([-3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
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hull() {
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translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([-3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
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translate([-3.6, 0, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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hull() {
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translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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translate([3.6, 0, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
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}
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translate([0, 8, 0]) rotate([90, 0, 90]) axle(h=16, axlemesh=1.75);
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translate([0, 8, 0]) rotate([90, 0, 90]) axle(h=16, axlemesh=1.75);
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}
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}
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}
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}
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@ -60,6 +49,20 @@ module axle(h = 24, axleradius = 2.4, axlemesh = 1.85) {
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}
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}
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}
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}
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module single_bevel(nteeth = 28)
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{
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union() {
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intersection() {
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translate([0, 0, 1.5])
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linear_extrude(slices=5, height=2.5, scale=(nteeth/2+1-2.5*tan(45))/(nteeth/2+1))
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gear_concat_flat(mm_per_tooth=3.4, number_of_teeth=nteeth, backlash=2, clearance=0.8, trim_factor=0.7);
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cylinder($fn=nteeth*2, h=4, r=2.98*(nteeth/2+1)/3.1415926+0.5);
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}
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cylinder($fn=nteeth*2, h=4, r=2.98*(nteeth/2-1)/3.1415926);
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cylinder($fn=nteeth*2, h=1.5, r=2.98*(nteeth/2+1)/3.1415926+0.5);
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}
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}
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// An attempt to make something like standard 36t double bevel gear...
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// An attempt to make something like standard 36t double bevel gear...
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// std lego 36t gear outer radius = ~36.5
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// std lego 36t gear outer radius = ~36.5
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// std lego 36t gear root radius = ~32.2
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// std lego 36t gear root radius = ~32.2
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