mcopy/scad/jk_lens_assembly.scad

234 lines
8.8 KiB
OpenSCAD

//
// JK lens assembly
//
include <./common.scad>;
include <./bellows.scad>;
PART = "";
LinearBearingOuterDiameter = 15;
LinearBearingHeight = 24;
LinearBearingBoreDiameter = 8;
ThreadDiameter = 8;
LinearMotionDiameter = 8;
TNutDiameter1 = 22;
TNutDiameter2 = 10.2;
TNutInnerDiameter = 8;
TNutHeight1 = 3.5;
TNutHeight2 = 15;
TNutOffset = 1.5;
RodLength = 150;
ZOffset = 50;
XOffset = 38;
XWidth = 50;
FrontOffset = 0;
BackOffset = 10;
LinearMotionX = 22;
LinearMotionY = 20;
LinearMotionZ = 14;
module linearBearing (pad = 0) {
difference () {
cylinder(r = R(LinearBearingOuterDiameter + pad), h = LinearBearingHeight, center = true, $fn = 100);
cylinder(r = R(LinearBearingBoreDiameter), h = LinearBearingHeight + 1, center = true, $fn = 60);
}
}
module threadedRod (H = 40, pad = 0) {
color("green") cylinder(r = R(ThreadDiameter + pad), h = H, center = true, $fn = 60);
}
module linearMotionRod (H = 40, pad = 0) {
color("blue") cylinder(r = R(LinearMotionDiameter + pad), h = H, center = true, $fn = 60);
}
module TNut () {
color("red") difference () {
union () {
translate([0, 0, -(TNutHeight2 / 2) + (TNutHeight1 / 2) + TNutOffset]) cylinder(r = R(TNutDiameter1), h = TNutHeight1, center = true, $fn = 100);
cylinder(r = R(TNutDiameter2), h = TNutHeight2, center = true, $fn = 80);
}
cylinder(r = R(TNutInnerDiameter), h = TNutHeight2 + 1, center = true, $fn = 60);
}
}
module m3BoltNut (bolt = 20, nut = 3.5) {
cylinder(r = 3.1 / 2, h = bolt, center = true, $fn = 40);
translate([0, 0, nut]) color("red") {
cylinder(r = 8 / 2, h = 2.5, center = true, $fn = 6);
translate([-4, 0, 0]) cube([8, 6.9, 2.5], center = true);
}
}
module lensAssemblyBellowsBoard () {
//bottom
difference () {
union () {
rotate([0, 0, 90]) bellows_camera_board();
translate([0, -XOffset, FrontOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = XWidth, center = true, $fn = 80);
}
rotate([-90, 0, 0]) {
translate([-(XWidth/2) + 2.5, -FrontOffset, -XOffset]) rotate([0, 90, 0]) TNut();
//m3s
// -centered
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset - 8, -XOffset]) rotate([0, -90, 0]) rotate([0, 0, 90]) m3BoltNut();
// -top no nut
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset, -XOffset + 8]) rotate([0, -90, 0]) cylinder(r = 3.1 / 2, h = 20, center = true, $fn = 40);
// -bottom no nut
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset, -XOffset - 8]) rotate([0, -90, 0]) cylinder(r = 3.1 / 2, h = 20, center = true, $fn = 40);
translate([(XWidth/2) - 2.5, -FrontOffset, -XOffset]) rotate([0, -90, 0]) TNut();
//m3s
// -center
translate([(XWidth/2) - 2.5 - 5, -FrontOffset - 8, -XOffset]) rotate([0, 90, 0]) rotate([0, 0, 90]) m3BoltNut();
// -top no nut
translate([(XWidth/2) - 2.5 - 5, -FrontOffset, -XOffset + 8]) rotate([0, 90, 0]) cylinder(r = 3.1 / 2, h = 20, center = true, $fn = 40);
// -bottom no nut
translate([(XWidth/2) - 2.5 - 5, -FrontOffset, -XOffset - 8]) rotate([0, 90, 0]) cylinder(r = 3.1 / 2, h = 20, center = true, $fn = 40);
}
rotate([-90, 0, 0]) translate([0, -FrontOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(RodLength, 0.5);
translate([0, -XOffset, -10.5]) cube([100,30, 15], center = true);
}
//top
difference () {
translate([0, XOffset, FrontOffset]) rotate([0, 90, 0]) cylinder(r = R(25), h = 24, center = true, $fn = 80);
rotate([-90, 0, 0]) {
translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearBearing(0.25);
}
translate([0, XOffset, -10.5]) cube([24 + 1,30, 15], center = true);
rotate([-90, 0, 0]) translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearMotionRod(RodLength);
}
}
module lensAssemblyThreadedZ () {
Z = 90;
difference () {
union () {
//main cylinder
rounded_cube([22, 22, Z], d = 8, $fn = 30, center = true);
//top linear motion rod attachment block
translate([0, -(LinearMotionY/2), (Z/2) - (LinearMotionZ/2)]) cube([LinearMotionX, LinearMotionY, LinearMotionZ], center = true);
//bottom threaded rod block
translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = 22, center = true, $fn = 80);
}
//------
//threaded rod void
threadedRod(Z + 20, 0.5);
//board nut void
translate([0, -10, 0]) rotate([0, 90, 0]) cylinder(r = R(12), h = 30, center = true, $fn = 40);
//board void
translate([8, -BackOffset, 0]) cube([8, 7, 52], center = true);
//T nuts
translate([0, 0, (Z / 2) - 4]) rotate([180, 0, 0]) TNut();
translate([0, 0, -(Z / 2) + 4]) TNut();
translate([0, 0, -(Z / 2) - 10]) cylinder(r = R(22), h = 20, center = true, $fn = 80);
//------
//top linear motion rod voids
//top gap to close
translate([0, -(LinearMotionY/2) - 8, (Z/2) - (LinearMotionZ/2)]) cube([LinearMotionX + 1, LinearMotionY, 2], center = true);
//rod
translate([0, -(LinearMotionY/2), (Z/2) - (LinearMotionZ/2)]) rotate([0, 90, 0]) cylinder(r = R(LinearMotionDiameter)+.2, h = LinearMotionX + 1, center = true, $fn = 60);
//m4 bolt top
translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2)]) cylinder(r = R(4.25), h = LinearMotionZ + 1, center = true, $fn = 40);
//m4 nut top
translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2) - 6]) m4_nut();
//------
//bottom threaded rod void
translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(22 + 1, 0.5);
//flatten bottom
translate([0, -BackOffset, -(Z / 2) - 11]) cube([23, 22, 22], center = true);
}
}
module lensAssemblyLinearZ () {
Z = 90;
ZLinearBearing = 31;
difference () {
union () {
//main cylinder
rounded_cube([22, 22, Z], d = 8, $fn = 30, center = true);
//top
translate([0, -BackOffset, (Z / 2) - (LinearMotionZ/2)]) cube([LinearMotionX, LinearMotionY, LinearMotionZ], center = true);
//bottom
translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = 22, center = true, $fn = 80);
}
//x linear motion rod void
translate([9, -BackOffset, (Z / 2) - (LinearMotionZ/2)]) rotate([0, 90, 0]) linearMotionRod(50, 0.3);
//board void
translate([-8, -BackOffset, -5]) cube([8, 7, 52], center = true);
//z threaded rod
linearMotionRod(250, 0.3);
//top gap to close
translate([0, -(LinearMotionY/2) - 8, (Z/2) - (LinearMotionZ/2)]) cube([LinearMotionX + 1, LinearMotionY, 2], center = true);
//m4 bolt top
translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2)]) cylinder(r = R(4.25), h = LinearMotionZ + 1, center = true, $fn = 40);
//m4 nut top
translate([0, -(LinearMotionY/2) - 8 + 1, (Z/2) - (LinearMotionZ/2) - 6]) m4_nut();
//flatten bottom
translate([0, -BackOffset, -(Z / 2) - 11]) cube([23, 22, 22], center = true);
//z linear bearing
translate([0, 0, -(Z / 2) + ZLinearBearing]) {
linearBearing(0.25);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter, LinearBearingHeight], center = true);
}
//z linear bearing
translate([0, 0, -(Z / 2) + ZLinearBearing + 32]) {
linearBearing(0.25);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter, LinearBearingHeight], center = true);
}
//x threaded rod
translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(50, 0.5);
}
}
module debug () {
rotate([90, 0, 0]) lensAssemblyBellowsBoard();
translate([-ZOffset, BackOffset, 0]) lensAssemblyThreadedZ();
translate([ZOffset, BackOffset, 5]) lensAssemblyLinearZ();
//Z axis
//translate([-ZOffset, BackOffset, 0]) threadedRod(RodLength);
//translate([ZOffset, BackOffset, 0]) linearMotionRod(RodLength);
//translate([40, 8, 0]) linearBearing();
//translate([-40, 8, 25]) rotate([180, 0, 0]) TNut();
//translate([-40, 8, -25]) TNut();
//translate([ZOffset, 5, 15]) color("blue") m4_nut();
//translate([ZOffset, 5, -15]) color("blue") m4_nut();
//X axis
//translate([0, -FrontOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
//translate([0, -FrontOffset, XOffset]) rotate([0, 90, 0]) linearMotionRod(RodLength);
//translate([0, -8, 40]) rotate([0, 90, 0]) linearBearing();
//translate([-25, -8, -XOffset]) rotate([0, 90, 0]) TNut();
//translate([25, -8, -XOffset]) rotate([0, -90, 0]) TNut();
//translate([-15, -5, XOffset]) rotate([0, 90, 0]) color("blue") m4_nut();
//translate([15, -5, XOffset]) rotate([0, 90, 0]) color("blue") m4_nut();
}
PART = "lens_assembly_linear_z";
if (PART == "lens_assembly_bellows_board") {
lensAssemblyBellowsBoard();
} else if (PART == "lens_assembly_threaded_z") {
lensAssemblyThreadedZ();
} else if (PART == "lens_assembly_linear_z") {
lensAssemblyLinearZ();
} else {
debug();
}