51 lines
1.3 KiB
OpenSCAD
51 lines
1.3 KiB
OpenSCAD
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module gear () {
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//GEAR PINION
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OD = 7;
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ID = 5;
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H = 7;
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TEETH = 12;
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TOOTH_W = .9;
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//center
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cylinder(r = ID / 2, h = 7, center = true, $fn = 60);
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for (i = [0 : TEETH - 1]) {
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rotate([0, 0, i * (360 / TEETH)]) translate([0, 2.9, 0]) cube([TOOTH_W, 1.1, H], center = true);
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}
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}
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module notched_shaft (H = 10) {
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D = 5;
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difference () {
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cylinder(r = D / 2, h = H, center = true, $fn = 50);
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translate([4, 0, 0]) cube([D, D, H + 1], center = true);
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}
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}
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module notched_roller () {
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D = 37.75;
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D2 = 34.5;
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H = 3.5;
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H2 = 14.5;
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difference () {
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union () {
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difference () {
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cylinder(r = D / 2, h = H, $fn = 180, center = true);
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translate([D / 2, 0, 0]) scale([1, 2, 1]) rotate([0, 0, 45]) cube([2, 2, H + 1], center = true);
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}
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translate([0, 0, -(H / 2) - (H2 / 2)]) cylinder(r = D2 / 2, h = H2, $fn = 180, center = true);
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}
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for (i = [0 : 2]) {
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rotate([0, 0, i * (360 / 3)]) translate([D / 4, 0, 0]) cylinder(r = 6 / 2, h = H2 * 4, $fn = 80, center = true);
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}
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translate([0, 0, -H - (H2 / 2) - 1]) rotate([0, 0, 60]) notched_shaft();
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}
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}
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PART = "gear";
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if (PART == "gear") {
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translate([0, 0, 5]) gear();
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notched_roller();
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} |