Add a concept JK lens assembly

scad/common.scad

@@ -39,6 +39,11 @@ module m3_nut (H = 5) {
     cylinder(r=R(6.6), h=H, center=true, $fn=6);
 }
 
+echo("common.scad - m4_nut");
+module m4_nut (H = 5) {
+    cylinder(r=R(7.15), h=H, center=true, $fn=6);
+}
+
 module opto_endstop(){
  difference(){
   union(){

scad/jk_lens_assembly.scad

@@ -0,0 +1,88 @@
+//
+// JK lens assembly
+//
+include <./common.scad>;
+include <./bellows.scad>;
+
+PART = "";
+
+LinearBearingOuterDiameter = 15;
+LinearBearingHeight = 24;
+LinearBearingBoreDiameter = 8;
+
+ThreadDiameter = 4; //8;
+LinearMotionDiameter = 8;
+
+TNutDiameter1 = 22;
+TNutDiameter2 = 10.2;
+TNutInnerDiameter = 8;
+TNutHeight1 = 3.5;
+TNutHeight2 = 15;
+TNutOffset = 1.5;
+
+RodLength = 100;
+
+ZOffset = -35;
+XOffset = -35;
+
+module linearBearing () {
+	difference () {
+		cylinder(r = R(LinearBearingOuterDiameter), h = LinearBearingHeight, center = true, $fn = 100);
+		cylinder(r = R(LinearBearingBoreDiameter), h = LinearBearingHeight + 1, center = true, $fn = 60);
+	}
+}
+
+module threadedRod (H = 40) {
+	color("green") cylinder(r = R(ThreadDiameter), h = H, center = true, $fn = 60);
+}
+
+module linearMotionRod (H = 40) {
+	color("blue") cylinder(r = R(LinearMotionDiameter), h = H, center = true, $fn = 60);
+}
+
+module TNut () {
+	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 lens_assembly_bellows_board () {
+	bellows_camera_board();
+	difference () {
+		translate([0, -32.5, 2]) cube([30, 15, 15], center = true);
+		rotate([-90, 0, 0]) {
+			translate([-13, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
+			translate([13, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
+		}
+		rotate([-90, 0, 0]) translate([0, -5, XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);	
+	}
+}
+
+rotate([90, 0, 0]) lens_assembly_bellows_board();
+
+
+//Z axis
+translate([ZOffset, 5, 0])  threadedRod(RodLength);
+//translate([40, 8, 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]) m4_nut();
+translate([ZOffset, 5, -15]) m4_nut();
+
+//X axis
+//translate([0, -5, XOffset]) rotate([0, 90, 0]) threadedRod(RodLength);
+//translate([0, -8, 40]) rotate([0, 90, 0])  linearMotionRod(RodLength);
+
+//translate([0, -8, 40]) rotate([0, 90, 0]) linearBearing();
+//translate([-25, -8, -40]) rotate([0, 90, 0]) TNut();
+//translate([25, -8, -40]) rotate([0, -90, 0]) TNut();
+
+//translate([-15, -5, XOffset]) rotate([0, 90, 0]) m4_nut();
+//translate([15, -5, XOffset]) rotate([0, 90, 0]) m4_nut();