Stephen Carpenter
4f4f0dc585
Basic geared hinge shape Gearbox is boxy and not optimized. Tolerances too tight for printing with default Module = 1. Test print in PETG did not move.
85 lines
2.0 KiB
OpenSCAD
85 lines
2.0 KiB
OpenSCAD
use <PolyGear/PolyGear.scad>
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use <PolyGear/shortcuts.scad>
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width = 5;
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N1 = 9;
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N2 = 9;
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axis_angle = -0;
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// RefD = M/N ; Default M=1
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MeshD=(N1+N2)/2;
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echo("Reference Diameter (MeshD): ", MeshD);
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//rot=360/N1*$t;
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rot=90-5*$t;
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//rot=90;
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//axis_angle = -50;
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color("blue") translate([-MeshD/2,0]) rotate([0,0,rot]) {
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render() intersection() {
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spur_gear(n=N1, w=width, helix_angle=constant(axis_angle/2));
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difference() {
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CyS(r=MeshD, h=width, w1=215, w2=20);
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// Shaft Hole
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cylinder(d=4, h=12, center=true, $fn=16);
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}
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}
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// leaf arm
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translate([MeshD/2 - 1.75,4,0]) cube([1.25,8,5], center=true);
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// Block
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//difference() {
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// translate([-MeshD/2 + 1.75,-3,0]) cube([1.25,3,5], center=true);
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// translate([-4.125,-4.5,0]) rotate([0,0,45]) cube([1.5,3,6], center=true);
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//}
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}
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color ("red") translate([MeshD/2,0]) rotate([0,0,-rot]){
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render() {
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difference() {
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union() {
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intersection() {
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spur_gear(n=N2, w=width, helix_angle=constant(axis_angle/2));
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CyS(r=MeshD, h=width, w1=150, w2=-30);
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}
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// leaf arm
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translate([-MeshD/2 + 1.75,4,0]) cube([1.25,8,5], center=true);
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// Block
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//translate([+MeshD/2 - 1,-1,0]) cube([1.5,6,5], center=true);
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//translate([3.5,-3.5,0]) rotate([0,0,-45]) cube([4,1.85,4], center=true);
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CyS(r=MeshD - 3, h=width, w1=-55, w2=-30);
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}
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// Shaft Hole
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cylinder(d=4, h=12, center=true, $fn=16);
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// Block limit
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translate([5.75,-3,0]) cube([5,5,5], center=true);
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}
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}
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}
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module box() {
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translate([MeshD/2,0]) {
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cylinder(d=4-.2, h=width+1,$fn=16, center=true);
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translate([2,0]) cube([5,1,width+1], center=true);
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translate([4.5,-3]) cube([1,7,width+1], center=true);
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}
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translate([-MeshD/2,0]) {
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cylinder(d=4-.2, h=width+1,$fn=16, center=true);
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translate([-2,0]) cube([5,1,width+1], center=true);
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translate([-4.5,-3]) cube([1,7,width+1], center=true);
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}
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translate([0,-6.5,0]) cube([19,1,width+1],center=true);
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translate([0,-3.5,-width/2 - .75]) cube([19,6.5,1], center=true);
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translate([0,-3.5,width/2 + .75]) cube([19,6.5,1], center=true);
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}
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color("green") {
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//box();
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}
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