Work on concept JK lens assembly
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@ -40,8 +40,9 @@ module m3_nut (H = 5) {
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}
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echo("common.scad - m4_nut");
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module m4_nut (H = 5) {
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cylinder(r=R(7.15), h=H, center=true, $fn=6);
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module m4_nut (H = 5, DIAG = 8.1) {
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//tolerance
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hex(diag = DIAG, h = H);
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}
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module opto_endstop(){
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@ -10,7 +10,7 @@ LinearBearingOuterDiameter = 15;
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LinearBearingHeight = 24;
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LinearBearingBoreDiameter = 8;
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ThreadDiameter = 4; //8;
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ThreadDiameter = 8;
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LinearMotionDiameter = 8;
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TNutDiameter1 = 22;
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@ -20,10 +20,13 @@ TNutHeight1 = 3.5;
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TNutHeight2 = 15;
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TNutOffset = 1.5;
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RodLength = 100;
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RodLength = 150;
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ZOffset = -35;
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XOffset = -35;
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ZOffset = 50;
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XOffset = 38;
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XWidth = 50;
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FrontOffset = 0;
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BackOffset = 10;
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module linearBearing () {
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difference () {
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@ -41,7 +44,7 @@ module linearMotionRod (H = 40) {
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}
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module TNut () {
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difference () {
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color("red") difference () {
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union () {
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translate([0, 0, -(TNutHeight2 / 2) + (TNutHeight1 / 2) + TNutOffset]) cylinder(r = R(TNutDiameter1), h = TNutHeight1, center = true, $fn = 100);
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cylinder(r = R(TNutDiameter2), h = TNutHeight2, center = true, $fn = 80);
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@ -50,39 +53,127 @@ module TNut () {
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}
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}
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module lens_assembly_bellows_board () {
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bellows_camera_board();
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module lensAssemblyBellowsBoard () {
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rotate([0, 0, 90]) bellows_camera_board();
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//bottom
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difference () {
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translate([0, -32.5, 2]) cube([30, 15, 15], center = true);
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translate([0, -XOffset, FrontOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = XWidth, center = true, $fn = 80);
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rotate([-90, 0, 0]) {
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translate([-13, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
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translate([13, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
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translate([-(XWidth/2) + 2.5, -FrontOffset, -XOffset]) rotate([0, 90, 0]) TNut();
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translate([(XWidth/2) - 2.5, -FrontOffset, -XOffset]) rotate([0, -90, 0]) TNut();
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}
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rotate([-90, 0, 0]) translate([0, -5, XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
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rotate([-90, 0, 0]) translate([0, -FrontOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
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}
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//top
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difference () {
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translate([0, XOffset, FrontOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = 24, center = true, $fn = 80);
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rotate([-90, 0, 0]) {
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translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearBearing();
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}
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translate([0, XOffset + 10, 0]) cube([24 + 1, 10, 3], center = true);
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rotate([-90, 0, 0]) translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearMotionRod(RodLength);
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}
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}
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rotate([90, 0, 0]) lens_assembly_bellows_board();
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module lensAssemblyThreadedZ () {
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Z = 90;
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LinearMotionX = 22;
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LinearMotionY = 20;
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LinearMotionZ = 14;
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difference () {
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union () {
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//main cylinder
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rounded_cube([22, 22, Z], d = 8, $fn = 30, center = true);
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//top linear motion rod attachment block
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translate([0, -(LinearMotionY/2), (Z/2) - (LinearMotionZ/2)]) cube([LinearMotionX, LinearMotionY, LinearMotionZ], center = true);
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//bottom threaded rod block
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translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = 22, center = true, $fn = 80);
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}
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//------
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//threaded rod void
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threadedRod(Z + 20);
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//board nut void
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translate([0, -10, 0]) rotate([0, 90, 0]) cylinder(r = R(12), h = 30, center = true, $fn = 40);
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//board void
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translate([8, -BackOffset, 0]) cube([8, 7, 52], center = true);
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//T nuts
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translate([0, 0, (Z / 2) - 4]) rotate([180, 0, 0]) TNut();
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translate([0, 0, -(Z / 2) + 4]) TNut();
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translate([0, 0, -(Z / 2) - 10]) cylinder(r = R(22), h = 20, center = true, $fn = 80);
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//------
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//top linear motion rod voids
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//
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translate([0, -(LinearMotionY/2) - 8, (Z/2) - (LinearMotionZ/2)]) cube([LinearMotionX + 1, LinearMotionY, 2], center = true);
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//
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translate([0, -(LinearMotionY/2), (Z/2) - (LinearMotionZ/2)]) rotate([0, 90, 0]) cylinder(r = R(LinearMotionDiameter)+.2, h = LinearMotionX + 1, center = true, $fn = 60);
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//m4 bolt
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translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2)]) cylinder(r = R(4.25), h = LinearMotionZ + 1, center = true, $fn = 40);
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//m4 nut
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translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2) - 6]) m4_nut();
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//------
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//bottom threaded rod void
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translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(22 + 1);
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//flatten bottom
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translate([0, -BackOffset, -(Z / 2) - 11]) cube([23, 22, 22], center = true);
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}
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}
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module lensAssemblyLinearZ () {
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Z = 90 + 15 + 8;
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XCorrection = 23.75;
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ZLinearBearing = 36.5;
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difference () {
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union () {
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//main cylinder
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translate([0, 0, 4]) rounded_cube([22, 22, Z], d = 8, $fn = 30, center = true);
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//
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translate([9, -BackOffset, (Z / 2) - XCorrection]) rotate([0, 90, 0]) cylinder(r = R(22), h = 40, center = true, $fn = 80);
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//
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translate([0, -BackOffset, -(Z / 2) + 13.5]) rotate([0, 90, 0]) cylinder(r = R(22), h = 22, center = true, $fn = 80);
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}
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//x linear motion rod void
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translate([9, -BackOffset, (Z / 2) - XCorrection]) rotate([0, 90, 0]) linearMotionRod(50);
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//board void
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translate([-8, -BackOffset, -5]) cube([8, 7, 52], center = true);
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//x linear bearing
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translate([18, -BackOffset, (Z / 2) - XCorrection]) rotate([0, 90, 0]) linearBearing();
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//
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translate([0, 0, (Z / 2) - 5]) linearBearing();
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//flatten bottom
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translate([0, -BackOffset, -(Z / 2) - 7]) cube([23, 22, 22], center = true);
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//x linear bearing
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translate([0, 0, -(Z / 2) + ZLinearBearing]) linearBearing();
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translate([LinearBearingOuterDiameter / 2, 0, -(Z / 2) + ZLinearBearing]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter, LinearBearingHeight], center = true);
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//x threaded rod
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translate([0, -BackOffset, -(Z / 2) + 13.5]) rotate([0, 90, 0]) threadedRod(50);
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}
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}
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rotate([90, 0, 0]) lensAssemblyBellowsBoard();
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translate([-ZOffset, BackOffset, 0]) lensAssemblyThreadedZ();
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translate([ZOffset, BackOffset, 5]) lensAssemblyLinearZ();
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//Z axis
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translate([ZOffset, 5, 0]) threadedRod(RodLength);
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//translate([40, 8, 0]) linearMotionRod(RodLength);
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//translate([-ZOffset, BackOffset, 0]) threadedRod(RodLength);
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translate([ZOffset, BackOffset, 0]) linearMotionRod(RodLength);
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//translate([40, 8, 0]) linearBearing();
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//translate([-40, 8, 25]) rotate([180, 0, 0]) TNut();
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//translate([-40, 8, -25]) TNut();
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translate([ZOffset, 5, 15]) m4_nut();
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translate([ZOffset, 5, -15]) m4_nut();
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//translate([ZOffset, 5, 15]) color("blue") m4_nut();
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//translate([ZOffset, 5, -15]) color("blue") m4_nut();
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//X axis
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//translate([0, -5, XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
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//translate([0, -8, 40]) rotate([0, 90, 0]) linearMotionRod(RodLength);
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//translate([0, -FrontOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
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translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearMotionRod(RodLength);
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//translate([0, -8, 40]) rotate([0, 90, 0]) linearBearing();
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//translate([-25, -8, -40]) rotate([0, 90, 0]) TNut();
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//translate([25, -8, -40]) rotate([0, -90, 0]) TNut();
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//translate([-25, -8, -XOffset]) rotate([0, 90, 0]) TNut();
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//translate([25, -8, -XOffset]) rotate([0, -90, 0]) TNut();
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//translate([-15, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
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//translate([15, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
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//translate([-15, -5, XOffset]) rotate([0, 90, 0]) color("blue") m4_nut();
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//translate([15, -5, XOffset]) rotate([0, 90, 0]) color("blue") m4_nut();
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