Stephen Carpenter
3ea8a73f40
Module is now parametric, as are most values. Larger leafs Larger gears Thicker walls.
114 lines
2.6 KiB
OpenSCAD
114 lines
2.6 KiB
OpenSCAD
use <PolyGear/PolyGear.scad>
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use <PolyGear/shortcuts.scad>
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width = 8;
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N = 9;
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// Force same number of teeth
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N1=N;
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N2=N;
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axis_angle = 0;
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Module=1.3;
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ShaftD=4.5;
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MeshD=Module*(N1+N2)/2;
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SwingAdd = 1;
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Swing = MeshD/2 + Module + SwingAdd;
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// RefD = M*N ; Default M=1
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tol=.2;
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BackW=Swing+Module;
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SideW=tol+BackW;
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echo("Reference Diameter (MeshD): ", MeshD);
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//rot=360/N1*$t;
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//rot=90-90*$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, m=Module,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=ShaftD, h=12, center=true, $fn=16);
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// Block limit
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translate([-BackW+2*tol,-MeshD/2,0]) cube([MeshD,MeshD,width], center=true);
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}
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}
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// leaf arm
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translate([MeshD/2 - 2.5,4,0]) cube([2,8,5], center=true);
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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, m=Module, 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 + 2.5,4,0]) cube([2,8,5], 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=ShaftD, h=12, center=true, $fn=16);
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// Block limit
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translate([BackW-2*tol,-MeshD/2,0]) cube([MeshD,MeshD,width+1], center=true);
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}
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}
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}
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module box(
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d=ShaftD,
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tol=.3,
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ShaftFN=$fn,
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MeshD=MeshD,
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Module=Module,
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SwingAdd=1,
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WallD=1.5,
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full=true)
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{
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Swing = MeshD/2 + Module + SwingAdd;
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BackW=WallD/2 + Swing+Module+1;
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SideW=tol -1 + BackW-MeshD/2;
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if (full == true) {
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mirror([1,0,0]) box(d=d, tol=tol, ShaftFN=ShaftFN, full=false);
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}
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translate([MeshD/2,0]) {
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// Shaft
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cylinder(d=d-tol, h=width+1,$fn=ShaftFN, center=true);
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// Front Wall
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translate([BackW/2 - SideW +1,0]) cube([SideW+tol,WallD,width+1], center=true);
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// Side Wall
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translate([SideW,-Swing/2]) cube([WallD,Swing+WallD,width+1], center=true);
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}
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// Back Wall
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translate([BackW/2,-Swing,0]) cube([BackW,WallD,width+1],center=true);
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// Bottom/Top
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translate([BackW/2,-(Swing)/2,-width/2 - WallD/2 - tol])
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cube([BackW,Swing+WallD,WallD], center=true);
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translate([BackW/2,-(Swing)/2,width/2 + WallD/2 + tol])
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difference() {
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cube([BackW,Swing+WallD,WallD], center=true);
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translate([-Swing/2,0,0]) cube([BackW/2, Swing/2,4],center=true);
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}
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}
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color("green") {
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box(full = true, ShaftFN=16);
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}
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